Audio control link and electronic equipment

Abstract

The invention belongs to the technical field of audio processing, and provides an audio control link and electronic equipment. The signal attenuation module is used for pre-attenuating the audio signal and outputting an attenuated signal. And the multi-frequency sound effect adjusting module is connected with the signal attenuation module and is used for dynamically adjusting the sound effect of the attenuated signal and outputting an optimized audio signal. And the amplitude limiting amplification module is connected with the multi-frequency sound effect adjustment module and is used for carrying out amplitude limiting and amplification adjustment on the optimized audio signal and outputting an audio adjustment signal. And the volume adjusting module is arranged in an audio signal transmission link formed by connecting the signal attenuation module, the multi-frequency sound effect adjusting module and the amplitude limiting amplification module, and is used for adjusting the amplitude of the audio signal. According to the audio control link provided by the invention, the sound effect and the volume can be adjusted, so that the sound is clearer, more powerful and more balanced, the audio debugging requirement of a user is met, and the problem of high power consumption caused by adding a power amplifier in a traditional audio link is solved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of audio processing, and particularly relates to an audio control link and an electronic device. BACKGROUND

[0002] With the advent of the era of self-media and the development of Internet of Things technology, the types of audio devices are also increasing, such as in-ear earphones, headphones, semi-in-ear earphones, open earphones and the like. The traditional audio link is composed of an equalizer (EQ module) and a volume adjustment module. However, when the audio device is in a complex working environment, such as audio leakage, noisy working environment and the like, the traditional audio link cannot meet the user's debugging requirements for audio through the EQ module and the Volume module, and further needs to increase the power amplifier of the audio link to meet the requirements, thereby increasing the power consumption of the entire audio link. SUMMARY

[0003] In order to solve the above technical problems, the embodiments of the present application provide an audio control link and an electronic device, which can meet the user's requirements while not increasing the power consumption of the entire audio link.

[0004] The present application provides an audio control link, which comprises:

[0005] a signal attenuation module, configured to pre-attenuate an audio signal and output an attenuated signal;

[0006] a multi-frequency sound effect adjustment module, connected with the attenuation module, configured to dynamically adjust the sound effect of the attenuated signal and output an optimized audio signal;

[0007] an amplitude limiting and amplifying module, connected with the multi-frequency sound effect adjustment module, configured to limit and amplify the optimized audio signal and output an audio adjustment signal;

[0008] a volume adjustment module, arranged in an audio signal transmission link formed by the signal attenuation module, the multi-frequency sound effect adjustment module and the amplitude limiting and amplifying module, configured to adjust the amplitude of the audio signal.

[0009] In one embodiment, the multi-frequency sound effect adjustment module comprises:

[0010] a sound effect adjustment module, configured to adjust the sound effect of an input signal and output a sound effect adjustment signal;

[0011] a frequency division module, connected with the sound effect adjustment module, configured to divide the sound effect adjustment signal into a plurality of frequency division signals and output the plurality of frequency division signals;

[0012] The dynamic adjustment module is connected with the frequency division module, and is used for performing sound effect dynamic adjustment on the multiple frequency band signals to output dynamic adjustment signals of each frequency band.

[0013] The mixing module is connected with the dynamic adjustment module, and is used for mixing the dynamic adjustment signals of each frequency band to output the optimized audio signal.

[0014] In one embodiment, the multi-frequency sound effect adjustment module comprises:

[0015] The frequency band separation module is used for separating input signals to output multiple frequency band signals.

[0016] The frequency band adjustment module is connected with the frequency band separation module, and is used for performing sound effect dynamic adjustment on the multiple frequency band signals to output segment adjustment signals of each frequency band.

[0017] The frequency band sound effect adjustment module is connected with the frequency band adjustment module, and is used for performing sound effect adjustment on the segment adjustment signals of each frequency band to output sound effect adjustment signals of each frequency band.

[0018] The frequency band mixing module is connected with the frequency band sound effect adjustment module, and is used for mixing the sound effect adjustment signals of each frequency band to output the optimized audio signal.

[0019] In one embodiment, the limiting amplification module comprises:

[0020] The first limiting module is connected with the multi-frequency sound effect adjustment module, and is used for limiting the optimized audio signal to output a limited audio signal.

[0021] The first signal amplification module is connected with the first limiting module, and is used for amplifying the limited audio signal to output the audio adjustment signal.

[0022] In one embodiment, the limiting amplification module comprises:

[0023] The second signal amplification module is connected with the multi-frequency sound effect adjustment module, and is used for amplifying the optimized audio signal to output an audio amplification signal.

[0024] The second limiting module is connected with the second signal amplification module, and is used for limiting the audio amplification signal to output the audio adjustment signal.

[0025] In one embodiment, the input end of the volume adjustment module is connected with the output end of the first signal amplification module, the output end of the volume adjustment module is used as the output end of the audio control link, and is used for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0026] In one embodiment, the input end of the volume adjustment module is connected with the output end of the second limiting module, and the output end of the volume adjustment module is used as the output end of the audio control link, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0027] In one embodiment, the input end of the volume adjustment module is connected with the output end of the first limiting module, and the output end of the volume adjustment module is connected with the input end of the first signal amplification module, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0028] In one embodiment, the input end of the volume adjustment module is connected with the output end of the second signal amplification module, and the output end of the volume adjustment module is connected with the input end of the second limiting module, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0029] In one embodiment, the input end of the volume adjustment module is connected with the output end of the mixing module, and the output end of the volume adjustment module is connected with the input end of the first limiting module, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0030] In one embodiment, the input end of the volume adjustment module is connected with the output end of the frequency band mixing module, and the output end of the volume adjustment module is connected with the input end of the first limiting module, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0031] In one embodiment, the input end of the volume adjustment module is connected with the output end of the mixing module, and the output end of the volume adjustment module is connected with the input end of the second signal amplification module, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0032] In one embodiment, the input end of the volume adjustment module is connected with the output end of the frequency band mixing module, and the output end of the volume adjustment module is connected with the input end of the second signal amplification module, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0033] In one embodiment, the input end of the volume adjustment module is connected with the output end of the sound effect adjustment module, and the output end of the volume adjustment module is connected with the input end of the frequency division module, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0034] In one embodiment, the input end of the volume adjustment module is connected with the output end of the signal attenuation module, the output end of the volume adjustment module is connected with the input end of the sound effect adjustment module, and the volume adjustment module is configured to adjust the amplitude of the audio signal in the audio signal transmission link.

[0035] In one embodiment, the input end of the volume adjustment module is connected with the output end of the signal attenuation module, the output end of the volume adjustment module is connected with the input end of the sound effect adjustment module, and the volume adjustment module is configured to adjust the amplitude of the audio signal in the audio signal transmission link.

[0036] In one embodiment, the input end of the volume adjustment module is connected with the output end of the signal attenuation module, the output end of the volume adjustment module is connected with the input end of the sound effect adjustment module, and the volume adjustment module is configured to adjust the amplitude of the audio signal in the audio signal transmission link.

[0037] In one embodiment, the audio control link further comprises a user sound effect debugging module.

[0038] The input end of the user sound effect debugging module is connected with the output end of the sound effect adjustment module, and the user sound effect debugging module is configured to perform user sound effect adjustment on the sound effect adjustment signal and output a user adjustment signal.

[0039] The input end of the frequency division module is connected with the output end of the user sound effect debugging module, and the frequency division module is configured to perform frequency division on the user adjustment signal and output a plurality of frequency division signals.

[0040] In one embodiment, the audio control link further comprises a power monitoring module, the input end of the power monitoring module is the input end of the audio control link, and the output end of the power monitoring module is connected with the input end of the signal attenuation module, and the power monitoring module is configured to monitor the audio signal input to the signal attenuation module.

[0041] In one embodiment, the audio control link further comprises a power monitoring module.

[0042] The input end of the volume adjustment module is the input end of the audio control link, the input end of the power monitoring module is connected with the output end of the volume adjustment module, the output end of the power monitoring module is connected with the input end of the signal attenuation module, and the power monitoring module is configured to monitor the audio signal input to the signal attenuation module.

[0043] The present application provides an electronic device comprising the audio control link in any one of the above embodiments.

[0044] Compared with the prior art, the present application has the following beneficial effects:

[0045] The signal attenuation module, the multi-frequency sound effect adjustment module, the amplitude limiting and amplification module and the volume adjustment module of the audio control link can pre-attenuate, dynamically adjust the sound effect of different frequency bands, limit the amplitude and amplify the signal of the input audio signal, so as to avoid the problem of harmonic distortion (THD), prevent the clipping distortion of the audio signal, and make the finally output audio adjustment signal have better sound effect without distortion and loud volume, thereby better meeting the debugging needs of the user. Therefore, the audio control link provided by the application can adjust the sound effect and volume through the signal attenuation module, the multi-frequency sound effect adjustment module, the amplitude limiting and amplification module and the volume adjustment module, so that the sound is clearer, stronger and more balanced without increasing the power amplifier, the debugging needs of the user for the audio are met, the problem of high power consumption caused by increasing the power amplifier to meet the debugging needs of the user for the audio in the traditional audio link is solved, and the audio control link can be applied to complex working environments. BRIEF DESCRIPTION OF DRAWINGS

[0046] Figure 1 is a connection structure diagram of an audio control link provided by an embodiment of the application Figure 1 ;

[0047] Figure 2 is a connection structure diagram of an audio control link provided by an embodiment of the application Figure 2 ;

[0048] Figure 3 is a connection structure diagram of an audio control link provided by an embodiment of the application Figure 3 ;

[0049] Figure 4 is a connection structure diagram of an audio control link provided by an embodiment of the application Figure 4 ;

[0050] Figure 5 is a connection structure diagram of an audio control link provided by an embodiment of the application Figure 5 ;

[0051] Figure 6 is a connection structure diagram of an audio control link provided by an embodiment of the application Figure 6 ;

[0052] Figure 7 is a connection structure diagram of an audio control link provided by an embodiment of the application Figure 7 ;

[0053] Figure 8 is a connection structure diagram of an audio control link provided by an embodiment of the application Figure 8 ;

[0054] Figure 9Figure 1 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 9 ;

[0055] Figure 10 Figure 2 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 10 ;

[0056] Figure 11 Figure 3 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 10 ;

[0057] Figure 12 Figure 4 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 10 ;

[0058] Figure 13 Figure 5 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 10 ;

[0059] Figure 14 Figure 6 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 10 ;

[0060] Figure 15 Figure 7 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 10 ;

[0061] Figure 16 Figure 8 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 10 ;

[0062] Figure 17 Figure 9 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 10 ;

[0063] Figure 18 Figure 10 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 10 ;

[0064] Figure 19 Figure 11 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 10 ;

[0065] Figure 20 Figure 12 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 2 ;

[0066] Figure 21 Figure 13 is a schematic diagram of a connection structure of an audio control link provided by an embodiment of the present application Figure 2 ;

[0067] Figure 22 is a connection structure diagram of an audio control link provided by an embodiment of the present application Figure 2 twelve;

[0068] Figure 23 is a connection structure diagram of an audio control link provided by an embodiment of the present application Figure 2 thirteen;

[0069] Figure 24 is a connection structure diagram of an audio control link provided by an embodiment of the present application Figure 2 fourteen;

[0070] Figure 25 is a connection structure diagram of an audio control link provided by an embodiment of the present application Figure 2 fifteen;

[0071] Figure 26 is a connection structure diagram of an audio control link provided by an embodiment of the present application Figure 2 sixteen;

[0072] Figure 27 is a connection structure diagram of an audio control link provided by an embodiment of the present application Figure 2 seventeen;

[0073] Figure 28 is a connection structure diagram of an audio control link provided by an embodiment of the present application Figure 2 eighteen;

[0074] Figure 29 is a connection structure diagram of a user sound effect debugging module in an audio control link provided by an embodiment of the present application

[0075] Figure 30 is a connection structure diagram of a power monitoring module in an audio control link provided by an embodiment of the present application Figure 1

[0076] Figure 2 is a connection structure diagram of a power monitoring module in an audio control link provided by an embodiment of the present application Figure 3 DETAILED DESCRIPTION

[0077] In order to make the technical problems to be solved by the present application, the technical solutions and beneficial effects clearer and more apparent, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not intended to limit the present application.

[0078] ​​It should be noted that the terms "first", "second", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality" is one or more than one, unless otherwise explicitly and specifically limited.

[0079] To solve the above technical problems, the present application provides an audio control link 100, please see Figure 4 The audio control link 100 includes a signal attenuation module 10, a multi-frequency sound effect adjustment module 20, an amplitude limiting and amplification module 30, and a volume adjustment module 40. The signal attenuation module 10 is used to pre-attenuate the audio signal and output the attenuated signal. The multi-frequency sound effect adjustment module 20 is connected with the signal attenuation module 10, and is used to dynamically adjust the sound effect of the attenuated signal and output the optimized audio signal. The amplitude limiting and amplification module 30 is connected with the multi-frequency sound effect adjustment module 20, and is used to limit and amplify the optimized audio signal and output the audio adjustment signal. The volume adjustment module 40 is arranged in the audio signal transmission link formed by the signal attenuation module 10, the multi-frequency sound effect adjustment module 20, and the amplitude limiting and amplification module 30, and is used to adjust the amplitude of the audio signal.

[0080] In the embodiment, the input audio signal is pre-attenuated by the signal attenuation module 10 in advance, which can avoid the problem of harmonic distortion (THD) caused by excessive improvement of the multi-frequency sound effect adjustment module 20, and can better meet the debugging needs of users. In an embodiment, the signal attenuation module 10 can be a pre-gain module, or a module for pre-attenuating the input signal formed by programming software or / and hardware.

[0081] The multi-frequency sound effect adjustment module 20 is used to dynamically adjust the sound effect of the attenuated signal output by the signal attenuation module 10 and output the optimized audio signal. The multi-frequency sound effect adjustment module 20 is used to dynamically adjust the sound effect of the attenuated signal output by the signal attenuation module 10 in different frequency bands, produce better sound effect without distortion, further output the optimized audio signal, and can meet the debugging needs of users. In an embodiment, the multi-frequency sound effect adjustment module 20 is formed by combining an EQ module, a Crossover module, a Dynamic Range Control (DRC) module, and a Mix module, or can be a module for dynamically adjusting the sound effect in different frequency bands formed by programming software or / and hardware.

[0082] The limiting and amplifying module 30 is configured to perform limiting and signal amplification adjustment on the optimized audio signal output by the multi-frequency sound effect adjustment module 20, so as to prevent the clipping distortion of the audio signal and make the volume large, thereby meeting the user's debugging requirement. In an embodiment, the limiting and amplifying module 30 is formed by combining a post-gain module and a limiter module, or is a module for limiting and signal amplification adjustment formed by programming software or / and hardware.

[0083] The volume adjustment module 40 can be arranged at any position in the audio signal transmission link formed by the signal attenuation module 10, the multi-frequency sound effect adjustment module 20 and the limiting and amplifying module 30 between the audio signal input interface and the audio signal output interface, and is configured to perform volume adjustment on the audio signal. The user end can realize volume adjustment through the volume adjustment module 40. In an embodiment, the volume adjustment module 40 can be a Volume module, or a module for volume adjustment formed by programming software or / and hardware.

[0084] The signal attenuation module 10, the multi-frequency sound effect adjustment module 20, the limiting and amplifying module 30 and the volume adjustment module 40 of the audio control link 100 perform pre-attenuation, sound effect dynamic adjustment of different frequency bands, limiting and signal amplification adjustment on the input audio signal, so as to avoid the problem of harmonic distortion (THD), prevent the clipping distortion of the audio signal, make the finally output audio adjustment signal have better sound effect without distortion and large volume, and better meet the user's debugging requirement. Therefore, the audio control link provided in the present application can adjust the sound effect and volume through the signal attenuation module, the multi-frequency sound effect adjustment module, the limiting and amplifying module and the volume adjustment module, without increasing the power amplifier, so that the sound is clearer, stronger and more balanced, the user's debugging requirement for the audio is met, the problem of high power consumption caused by increasing the power amplifier in the traditional audio link to meet the user's debugging requirement for the audio is solved, and the audio control link can be applied to complex working environments.

[0085] In an embodiment, the audio control link 100 provided in the present application is applied to semi-in-ear earphones and open earphone devices, can adjust the sound effect and volume, meets the user's debugging requirement, solves the leakage problem caused by the poor sealing of the semi-in-ear earphones with the ear canal, and solves the problem that the open earphone cannot simultaneously produce low-frequency sound effect and small volume when working in a free field. Therefore, through the audio control link 100 provided in the present application, the debugging requirement of the semi-in-ear earphones and the open earphones can be met without increasing the power amplifier.

[0086] Please refer to Figure 5The multi-frequency sound effect adjustment module 20 comprises a sound effect adjustment module 211, a frequency division module 212, a dynamic adjustment module 213 and a frequency mixing module 214. The sound effect adjustment module 211 is configured to perform sound effect adjustment on the input signal and output a sound effect adjusted signal. The frequency division module 212 is connected to the sound effect adjustment module 211 and configured to perform frequency division on the sound effect adjusted signal and output a plurality of frequency division signals. The dynamic adjustment module 213 is connected to the frequency division module 212 and configured to perform sound effect dynamic adjustment on the plurality of frequency band signals and output dynamic adjustment signals of respective frequency bands. The frequency mixing module 214 is connected to the dynamic adjustment module 213 and configured to mix the dynamic adjustment signals of respective frequency bands and output an optimized audio signal.

[0087] In the embodiment, the input end of the sound effect adjustment module 211 is connected to the output end of the signal attenuation module 10, and is configured to perform sound effect adjustment on the attenuation signal output by the signal attenuation module 10. Alternatively, the input end of the sound effect adjustment module 211 is connected to the output end of the volume adjustment module 40, and is configured to perform sound effect adjustment on the audio signal after volume adjustment. In an embodiment, the sound effect adjustment module 211 can be an equalizer (EQ module), or a module for performing sound effect adjustment formed by programming software or / and hardware, and can perform gain or attenuation to achieve equalization of low, medium and high frequencies.

[0088] The input end of the frequency division module 212 is connected to the output end of the sound effect adjustment module 211, and is configured to perform frequency division on the sound effect adjusted signal output by the sound effect adjustment module 211. In an embodiment, the frequency division module 212 can be a Crossover module, or a module for performing frequency division formed by programming software or / and hardware, and can perform frequency division on the input signal to effectively control high and low frequency signals and make each frequency balanced.

[0089] The input end of the dynamic adjustment module 213 is connected to the output end of the frequency division module 212, and is configured to perform dynamic control on the plurality of signals of different frequency bands output by the frequency division module 212 respectively, to generate better sound effect without distortion. In an embodiment, the dynamic adjustment module 213 can be a Dynamic Range Control (DRC) module, or a module for performing dynamic control on different frequency bands formed by programming software or / and hardware, and can adjust the dynamic range of the audio signal to ensure that the signal is not too large or too small, can complement the sound effect adjustment module 211 (EQ module), can meet the user's debugging requirements for sound effect and volume, and will not increase system power consumption and product cost. The DRC module applies a gain to the signal according to the size of the input signal. Then, when a large signal is detected, a negative gain is applied to reduce the signal amplitude, and when a small signal is detected, a positive gain is applied to increase the signal amplitude.

[0090] The input end of the mixing module 214 is connected with the output end of the dynamic adjustment module 213, for mixing the dynamic adjustment signals of each frequency band output by the dynamic adjustment module 213. In an embodiment, the mixing module 214 can be a Mix module, or a module for mixing signals of different frequency bands formed by programming software or / and hardware.

[0091] In an embodiment, the dynamic adjustment module 213 is a dynamic adjustment module with three frequency divisions. The dynamic adjustment module 213 includes a high-frequency regulation module 2131, a medium-frequency regulation module 2132, and a low-frequency regulation module 2133. The input end of the high-frequency regulation module 2131 is connected with the output end of the frequency division module 212, for performing high-frequency dynamic control on the sound effect adjustment signal output by the frequency division module 212, and outputting a high-frequency sound effect signal. The output end of the high-frequency regulation module 2131 is connected with the mixing module 214. The input end of the medium-frequency regulation module 2132 is connected with the output end of the frequency division module 212, for performing medium-frequency dynamic control on the sound effect adjustment signal output by the frequency division module 212, and outputting a medium-frequency sound effect signal. The output end of the medium-frequency regulation module 2132 is connected with the mixing module 214.

[0092] The input end of the low-frequency regulation module 2133 is connected with the output end of the frequency division module 212, for performing low-frequency dynamic control on the sound effect adjustment signal output by the frequency division module 212, and outputting a low-frequency sound effect signal. The output end of the low-frequency regulation module 2133 is connected with the mixing module 214. The mixing module 214 is used for mixing the high-frequency sound effect signal, the medium-frequency sound effect signal, and the low-frequency sound effect signal. Through the dynamic adjustment module with three frequency divisions in this embodiment, the sound effect adjustment signal output by the frequency division module 212 can be adjusted in high, medium, and low frequency bands, and high-frequency sound effect, medium-frequency sound effect, and low-frequency sound effect can be realized. Through the dynamic adjustment module 213, the sound effect can be adjusted in high, medium, and low frequency bands separately, without reducing the volume (or the gain), so that the adjustment of the volume can be met while meeting the adjustment of the sound effect, and the consumption demand of the user can be met.

[0093] In an embodiment, the dynamic adjustment module 213 can also be a dynamic adjustment module with two frequency divisions, including a high-frequency regulation module and a low-frequency regulation module. The audio control link 100 provided in this application can be applied to dynamic adjustment modules with different frequency divisions, and can be set according to actual conditions.

[0094] Please refer to Figure 6In one embodiment, the multi-frequency sound effect adjustment module 20 comprises a frequency band separation module 221, a frequency band adjustment module 222, a frequency band sound effect adjustment module 223, and a frequency band mixing module 224. The frequency band separation module 221 is configured to separate the input signal into multiple frequency band signals. The frequency band adjustment module 222 is connected to the frequency band separation module 221 and configured to dynamically adjust the sound effect of the multiple frequency band signals to output segment adjustment signals of each frequency band. The frequency band sound effect adjustment module 223 is connected to the frequency band adjustment module 222 and configured to adjust the sound effect of the segment adjustment signals of each frequency band to output sound effect adjustment signals of each frequency band. The frequency band mixing module 224 is connected to the frequency band sound effect adjustment module 223 and configured to mix the sound effect adjustment signals of each frequency band to output an optimized audio signal.

[0095] In this embodiment, the input end of the frequency band separation module 221 can be connected to the output end of the signal attenuation module 10 to separate the attenuation signal output by the signal attenuation module 10. Alternatively, the input end of the frequency band separation module 221 can be connected to the output end of the volume adjustment module 40 to separate the audio signal after volume adjustment. In one embodiment, the frequency band separation module 221 can be a Crossover module or a module for separating frequency built by programming software or / and hardware, which can separate the input signal and effectively control the high and low frequency signals to make each frequency play equally.

[0096] The input end of the frequency band adjustment module 222 is connected to the output end of the frequency band separation module 221 to dynamically adjust the sound effect of the multiple frequency band signals output by the frequency band separation module 221, so as to achieve dynamic control of different frequency bands to produce better sound effect without distortion. In one embodiment, the frequency band adjustment module 222 can be a Dynamic Range Control (DRC) module or a module for dynamically controlling different frequency bands built by programming software or / and hardware, which can adjust the dynamic range of the audio signal to ensure that the signal is not too large or too small. The DRC module can work with the frequency band sound effect adjustment module 223 (which comprises multiple EQ modules, each frequency band corresponding to an EQ module) to meet the user's debugging needs for sound effect and volume without increasing system power consumption and product cost. The DRC module applies a gain to the signal according to the size of the input signal. Then, when a large signal is detected, a negative gain is applied to reduce the signal amplitude, and when a small signal is detected, a positive gain is applied to increase the signal amplitude.

[0097] The input end of the frequency band sound effect adjustment module 223 is connected with the output end of the frequency band adjustment module 222, and is configured to perform sound effect adjustment on the segment adjustment signals of each frequency band output by the frequency band adjustment module 222. The frequency band sound effect adjustment module 223 can be an equalizer (EQ module), or a module for performing sound effect adjustment formed by programming software or / and hardware, and can perform gain or attenuation to achieve equalization of low frequency, medium frequency and high frequency.

[0098] The input end of the frequency band mixing module 224 is connected with the output end of the frequency band sound effect adjustment module 223, and is configured to mix the sound effect adjustment signals of each frequency band output by the frequency band sound effect adjustment module 223. In an embodiment, the frequency band mixing module 224 can be a Mix module, or a module for mixing different frequency band signals formed by programming software or / and hardware.

[0099] The multi-frequency sound effect adjustment module 20 provided in the embodiment can effectively dynamically adjust and control the sound effects of different frequency bands, produce better sound effects without distortion, make each frequency balance, and does not need to reduce the volume (or can be understood as not needing to reduce the gain), so as to meet the user's adjustment of the sound effect and the adjustment of the volume, and meet the user's consumption demand.

[0100] In an embodiment, the frequency band adjustment module 222 includes a high frequency regulation module DRC-H, a medium frequency regulation module DRC-M and a low frequency regulation module DRC-L, which are three-frequency dynamic adjustment modules. The frequency band sound effect adjustment module 223 includes a high frequency sound effect module EQ-H, a medium frequency sound effect module EQ-M and a low frequency sound effect module EQ-L, which correspond to the high frequency regulation module DRC-H, the medium frequency regulation module DRC-M and the low frequency regulation module DRC-L in sequence respectively.

[0101] In an embodiment, the frequency band adjustment module 222 can also be a two-frequency dynamic adjustment module, including a high frequency regulation module DRC-H and a low frequency regulation module DRC-L. Correspondingly, the frequency band sound effect adjustment module 223 includes a high frequency sound effect module EQ-H and a low frequency sound effect module EQ-L. The audio control link 100 provided in the application can be applied to dynamic adjustment modules of different frequency divisions, and can be set according to actual conditions.

[0102] Please refer to Figure 7 and Figure 8In one embodiment, the amplitude limiting amplification module 30 comprises a first amplitude limiting module 311 and a first signal amplification module 312. The first amplitude limiting module 311 is connected with the multi-frequency sound effect adjustment module 20, and is configured to limit the optimized audio signal to output a limited audio signal. The first signal amplification module 312 is connected with the first amplitude limiting module 311, and is configured to amplify the limited audio signal to output an audio adjustment signal.

[0103] In the embodiment, the input end of the first amplitude limiting module 311 is connected with the output end of the multi-frequency sound effect adjustment module 20, and is configured to limit the optimized audio signal output by the multi-frequency sound effect adjustment module 20. The first amplitude limiting module 311 can prevent clipping distortion, can be used to limit the output of the frequency division point position to be too high, and can ensure the stability of the signal to ensure the intelligibility of the sound. In one embodiment, the first amplitude limiting module 311 can be a limiter module, or can be a module for limiting the amplitude output formed by programming software or / and hardware.

[0104] The input end of the first signal amplification module 312 is connected with the output end of the first amplitude limiting module 311, and is configured to amplify the limited audio signal output by the first amplitude limiting module 311 to make the volume large enough. In one embodiment, the first signal amplification module 312 can be a post-gain module, or can be a module for signal amplification formed by programming software or / and hardware.

[0105] Through the first amplitude limiting module 311 and the first signal amplification module 312 in the embodiment, the audio signal output by the multi-frequency sound effect adjustment module 20 can be more stable, and the audio effect of the audio adjustment signal output by the audio control link 100 can be more perfect.

[0106] In one embodiment, the input end of the volume adjustment module 40 is connected with the output end of the first signal amplification module 312, and the output end of the volume adjustment module 40 is used as the output end of the audio control link 100, and is configured to adjust the amplitude of the audio signal in the audio signal transmission link.

[0107] In the embodiment, the output end of the volume adjustment module 40 is used as the output end of the audio control link 100, and is configured to adjust the volume of the audio signal processed by the first signal amplification module 312. Through the volume adjustment of the audio signal in the audio control link 100 by the volume adjustment module 40, the demand of the user for simultaneously adjusting the sound effect and the volume can be met, so that the sound is clearer, stronger and more balanced, and the demand of the user for audio adjustment is met.

[0108] Please refer to Figure 9 and Figure 10In one embodiment, the amplitude limiting and amplifying module 30 comprises a second signal amplifying module 321 and a second amplitude limiting module 322. The second signal amplifying module 321 is connected with the multi-frequency sound effect adjusting module 20, and is configured to amplify the optimized audio signal and output an audio amplifying signal. The second amplitude limiting module 322 is connected with the second signal amplifying module 321, and is configured to limit the amplitude of the audio amplifying signal and output an audio adjusting signal.

[0109] In this embodiment, the input end of the second signal amplifying module 321 is connected with the output end of the multi-frequency sound effect adjusting module 20, and is configured to amplify the optimized audio signal output by the multi-frequency sound effect adjusting module 20 so that the volume is large enough. In one embodiment, the second signal amplifying module 321 can be a post-gain module or a module for signal amplification formed by programming software or / and hardware.

[0110] The input end of the second amplitude limiting module 322 is connected with the output end of the second signal amplifying module 321, and is configured to limit the amplitude of the audio amplifying signal output by the second signal amplifying module 321, prevent clipping distortion, limit the output of the frequency division point position to be too high, and ensure the stability of the signal to ensure the intelligibility of the sound. In one embodiment, the second amplitude limiting module 322 can be a limiter module or a module for limiting the amplitude output formed by programming software or / and hardware.

[0111] In one embodiment, the input end of the volume adjusting module 40 is connected with the output end of the second amplitude limiting module 322, and the output end of the volume adjusting module 40 is used as the output end of the audio control link 100, and is configured to adjust the amplitude of the audio signal in the audio signal transmission link.

[0112] In this embodiment, the output end of the volume adjusting module 40 is used as the output end of the audio control link 100, and is configured to adjust the volume of the audio signal processed by the second amplitude limiting module 322. By adjusting the volume of the audio signal in the audio control link 100 through the volume adjusting module 40, the demand of the user for simultaneously adjusting the sound effect and the volume can be met, so that the sound is clearer, stronger and more balanced, and the demand of the user for audio adjustment is met.

[0113] Please refer to Figure 11 and Figure 12 In one embodiment, the input end of the volume adjusting module 40 is connected with the output end of the first amplitude limiting module 311, and the output end of the volume adjusting module 40 is connected with the input end of the first signal amplifying module 312, and is configured to adjust the amplitude of the audio signal in the audio signal transmission link.

[0114] In the embodiment, the volume adjustment module 40 is arranged in the link between the first limiting module 311 and the first signal amplification module 312, adjusts the volume of the audio signal processed by the first limiting module 311, and transmits the signal after the volume adjustment to the first signal amplification module 312. By adjusting the volume of the audio signal in the audio control link 100 through the volume adjustment module 40, the demand of the user for simultaneously adjusting the sound effect and the volume can be met, so that the sound is clearer, stronger and more balanced, and the demand of the user for adjusting the audio is met.

[0115] Please refer to Figure 13 and Figure 14 In one embodiment, the input end of the volume adjustment module 40 is connected with the output end of the second signal amplification module 321, and the output end of the volume adjustment module 40 is connected with the input end of the second limiting module 322, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0116] In the embodiment, the volume adjustment module 40 is arranged in the link between the second signal amplification module 321 and the second limiting module 322, adjusts the volume of the audio signal processed by the second signal amplification module 321, and transmits the signal after the volume adjustment to the second limiting module 322. By adjusting the volume of the audio signal in the audio control link 100 through the volume adjustment module 40, the demand of the user for simultaneously adjusting the sound effect and the volume can be met, so that the sound is clearer, stronger and more balanced, and the demand of the user for adjusting the audio is met.

[0117] Please refer to Figure 15 and Figure 16 In one embodiment, the input end of the volume adjustment module 40 is connected with the output end of the mixing module 214, and the output end of the volume adjustment module 40 is connected with the input end of the first limiting module 311, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0118] In the embodiment, the volume adjustment module 40 is arranged in the link between the second signal amplification module 321 and the second limiting module 322, adjusts the volume of the audio signal processed by the second signal amplification module 321, and transmits the signal after the volume adjustment to the second limiting module 322. By adjusting the volume of the audio signal in the audio control link 100 through the volume adjustment module 40, the demand of the user for simultaneously adjusting the sound effect and the volume can be met, so that the sound is clearer, stronger and more balanced, and the demand of the user for adjusting the audio is met.

[0119] Please refer to Figure 17In one embodiment, the input end of the volume adjustment module 40 is connected with the output end of the frequency band mixing module 224, and the output end of the volume adjustment module 40 is connected with the input end of the first limiting module 311, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0120] In the embodiment, the volume adjustment module 40 is arranged in the link between the multi-frequency sound effect adjustment module 20 and the limiting amplification module 30. Specifically, the volume adjustment module 40 is arranged in the link between the frequency band mixing module 224 and the first limiting module 311, for adjusting the audio signal processed by the frequency band mixing module 224, and transmitting the signal after volume adjustment to the first limiting module 311. By adjusting the volume of the audio signal in the audio control link 100 through the volume adjustment module 40, the demand of the user for simultaneously adjusting the sound effect and the volume can be met, so that the sound is clearer, stronger and more balanced, and the demand of the user for adjusting the audio is met.

[0121] Please refer to Figure 18 In one embodiment, the input end of the volume adjustment module 40 is connected with the output end of the frequency band mixing module 224, and the output end of the volume adjustment module 40 is connected with the input end of the first limiting module 311, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0122] In the embodiment, the volume adjustment module 40 is arranged in the link between the multi-frequency sound effect adjustment module 20 and the limiting amplification module 30. Specifically, the volume adjustment module 40 is arranged in the link between the frequency band mixing module 224 and the first limiting module 311, for adjusting the audio signal processed by the frequency band mixing module 224, and transmitting the signal after volume adjustment to the first limiting module 311. By adjusting the volume of the audio signal in the audio control link 100 through the volume adjustment module 40, the demand of the user for simultaneously adjusting the sound effect and the volume can be met, so that the sound is clearer, stronger and more balanced, and the demand of the user for adjusting the audio is met.

[0123] Please refer to Figure 19 In one embodiment, the input end of the volume adjustment module 40 is connected with the output end of the frequency band mixing module 224, and the output end of the volume adjustment module 40 is connected with the input end of the first limiting module 311, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0124] In this embodiment, the volume adjustment module 40 is located in the link between the frequency band mixing module 224 and the second signal amplification module 321. It adjusts the volume of the audio signal processed by the frequency band mixing module 224 and transmits the volume-adjusted signal to the second signal amplification module 321. By adjusting the volume of the audio signal in the audio control link 100 through the volume adjustment module 40, the user's needs for simultaneous sound effects and volume adjustment can be met, resulting in clearer, more powerful, and balanced sound, thus satisfying the user's audio tuning requirements.

[0125] Please see Figure 20 and Figure 21 In one embodiment, the input terminal of the volume adjustment module 40 is connected to the output terminal of the sound effect adjustment module 211, and the output terminal of the volume adjustment module 40 is connected to the input terminal of the frequency division module 212, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0126] In this embodiment, the volume adjustment module 40 is located in the link between the sound effect adjustment module 211 and the frequency division module 212. It adjusts the volume of the audio signal processed by the sound effect adjustment module 211 and transmits the adjusted signal to the frequency division module 212. By adjusting the volume of the audio signal in the audio control link 100 through the volume adjustment module 40, the user's need for simultaneous sound effect and volume adjustment can be met, resulting in clearer, more powerful, and balanced sound, thus satisfying the user's audio tuning requirements.

[0127] Please see Figure 22 , Figure 23 as well as Figure 24 In one embodiment, the input terminal of the volume adjustment module 40 is connected to the output terminal of the signal attenuation module 10, and the output terminal of the volume adjustment module 40 is connected to the input terminal of the sound effect adjustment module 211, for adjusting the amplitude of the audio signal in the audio signal transmission link.

[0128] In this embodiment, the volume adjustment module 40 is located in the link between the signal attenuation module 10 and the multi-frequency sound effect adjustment module 20. Specifically, the volume adjustment module 40 is located in the link between the signal attenuation module 10 and the sound effect adjustment module 211. The volume of the audio signal processed by the signal attenuation module 10 is adjusted, and the volume-adjusted signal is transmitted to the sound effect adjustment module 211. By adjusting the volume of the audio signal in the audio control link 100 through the volume adjustment module 40, the user's need for simultaneous sound effect and volume adjustment can be met, making the sound clearer, more powerful, and more balanced, thus satisfying the user's audio tuning needs.

[0129] Please see Figure 25 and Figure 26In one embodiment, the input end of the volume adjustment module 40 is connected with the output end of the signal attenuation module 10, and the output end of the volume adjustment module 40 is connected with the input end of the frequency band separation module 221, for adjusting the amplitude of the audio signal.

[0130] In this embodiment, the volume adjustment module 40 is arranged in the link between the signal attenuation module 10 and the frequency band separation module 221. The audio signal processed by the signal attenuation module 10 is subjected to volume adjustment, and the signal subjected to volume adjustment is transmitted to the frequency band separation module 221. The audio signal in the audio control link 100 is subjected to volume adjustment by the volume adjustment module 40, which can meet the user's demand for simultaneously adjusting the sound effect and the volume, so that the sound is clearer, stronger and more balanced, meeting the user's demand for adjusting the audio.

[0131] Please refer to Figure 27 , Figure 28 , Figure 29 , Figure 30 and Figure 31 In one embodiment, the input end of the volume adjustment module 40 is connected with the output end of the signal attenuation module 10, and the output end of the volume adjustment module 40 is connected with the input end of the frequency band separation module 221, for adjusting the amplitude of the audio signal.

[0132] In this embodiment, the volume adjustment module 40 is arranged at the beginning input end of the entire link of the audio control link 100, for adjusting the volume of the audio signal, and transmitting the signal subjected to volume adjustment to the signal attenuation module 10. The audio signal in the audio control link 100 is subjected to volume adjustment by the volume adjustment module 40, which can meet the user's demand for simultaneously adjusting the sound effect and the volume, so that the sound is clearer, stronger and more balanced, meeting the user's demand for adjusting the audio.

[0133] Please refer to ​ In one embodiment, the audio control link 100 further comprises a user sound effect adjustment module 215. The input end of the user sound effect adjustment module 215 is connected with the output end of the sound effect adjustment module 211, for adjusting the user end sound effect of the sound effect adjustment signal, and outputting a user adjustment signal. The input end of the frequency division module 212 is connected with the output end of the user sound effect adjustment module 215, for frequency dividing the user adjustment signal, and outputting a plurality of frequency division signals.

[0134] In this embodiment, the sound effect adjustment module 211 is used for the developer to debug the sound effect. The user sound effect debugging module 215 is used for the user to customize the debugging of the sound effect. The user can adjust the sound effect of the audio control link 100 according to the personal needs of the user. The user can adjust the sound effect through the mobile phone software or application provided by the manufacturer according to the listening preferences of the user. In one embodiment, the user sound effect debugging module 215 can be an equalizer (EQ module), or a module for adjusting the sound effect formed by programming software or / and hardware. The gain or attenuation can be adjusted to achieve the balance of low frequency, medium frequency and high frequency.

[0135] Please refer to ​ In one embodiment, the audio control link 100 further comprises a power monitoring module 50. The input end of the power monitoring module 50 is the input end of the audio control link 100. The output end of the power monitoring module 50 is connected with the input end of the signal attenuation module 10, and is used for monitoring the audio signal input to the signal attenuation module 10.

[0136] In this embodiment, the input end of the power monitoring module 50 is connected with the audio signal input interface, and is the input end of the audio control link 100. The output end of the power monitoring module 50 is connected with the input end of the signal attenuation module 10. The power monitoring module 50 is arranged before the signal attenuation module 10 of the audio control link 100, and is used for monitoring the audio signal input to the signal attenuation module 10 and obtaining the monitoring result. The power obtained by the power monitoring module 50 can be used to adjust the parameters of each module in the audio control link 100 to meet the debugging needs of the user. The attenuation value of the signal attenuation module 10 can be adjusted by detecting the input audio signal through the power monitoring module 50, so as to avoid the problem that the dynamic range is small due to the over-compression or small signal output by the signal attenuation module 10, thereby improving the listening experience of the audio control link 100 and better meeting the debugging needs of the user for the audio.

[0137] In one embodiment, the power monitoring module 50 can be an RMS detector (RMS Detecter), or a module for monitoring the input audio signal formed by programming software or / and hardware.

[0138] Please refer to ​ In one embodiment, the audio control link 100 further comprises a power monitoring module 50. The input end of the volume adjustment module 40 is the input end of the audio control link 100. The input end of the power monitoring module 50 is connected with the output end of the volume adjustment module 40. The output end of the power monitoring module 50 is connected with the input end of the signal attenuation module 10, and is used for monitoring the audio signal input to the signal attenuation module 10.

[0139] In this embodiment, the input end of the power monitoring module 50 is connected with the output end of the volume adjustment module 40, and the output end of the power monitoring module 50 is connected with the input end of the signal attenuation module 10. The power monitoring module 50 is arranged before the signal attenuation module 10 in the audio control link 100, used for monitoring the audio signal input to the signal attenuation module 10 and obtaining the monitoring result. The power obtained through the power monitoring module 50 can be used to adjust the parameters of each module in the audio control link 100 to meet the debugging requirements of the user.

[0140] The application provides an electronic device including the audio control link 100 in any one of the above embodiments. The electronic device can be an in-ear earphone, a headphone, a semi-in-ear earphone, an open earphone, or the like, which contains the audio control link 100. The audio control link 100 provided by the application can make the sound output by the electronic device clearer, stronger, and balanced, meeting the debugging requirements of the user on the audio.

[0141] Those skilled in the art can clearly understand that, for the convenience and brevity of description, only the above-mentioned functional modules and the division of the modules are exemplified, and in actual application, the above-mentioned functional modules can be completed by different functional modules according to the needs, that is, the internal structure of the device is divided into different functional modules or circuits to complete all or part of the functions described above. Each functional module in the embodiment can be integrated in one processing module, or each module can be physically present separately, or two or more modules can be integrated in one module. The integrated module can be realized in the form of hardware or software functional unit. In addition, the specific names of the functional modules are only for the convenience of mutual distinction, and do not limit the protection scope of the application. The specific working process of each module in the system can refer to the corresponding process in the foregoing method embodiments, which will not be described here.

[0142] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described or recorded in detail in a certain embodiment can be referred to the related description of other embodiments.

[0143] In the embodiments provided in the application, it should be understood that the disclosed apparatus / terminal device and method can be implemented by other manners. For example, the apparatus / terminal device embodiments described above are only schematic, for example, the division of the modules is only a logical function division, and actual implementation can have another division manner, for example, multiple modules can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the connection between the displayed or discussed ones can be through some interfaces, and the connection of the modules can be electrical or other forms.

[0144] The modules illustrated as separate components may or may not be physically separate, and the components illustrated as modules may or may not be physical units, i.e., may be located in one place, or may also be distributed to multiple modules. Part or all of the modules can be selected according to actual needs to achieve the purpose of the embodiment.

[0145] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. An audio control link, characterized by, The audio control link comprises: a signal attenuation module configured to pre-attenuate the audio signal and output an attenuated signal; a multi-frequency sound effect adjustment module connected to the attenuation module and configured to dynamically adjust the sound effect of the attenuated signal and output an optimized audio signal; an amplitude limiting and amplification module connected to the multi-frequency sound effect adjustment module and configured to limit and amplify the optimized audio signal and output an audio adjustment signal; a volume adjustment module arranged in an audio signal transmission link formed by the signal attenuation module, the multi-frequency sound effect adjustment module, and the amplitude limiting and amplification module, and configured to adjust the amplitude of the audio signal.

2. The audio control link of claim 1, wherein, The multi-frequency sound effect adjustment module comprises: a sound effect adjustment module configured to adjust the sound effect of an input signal and output a sound effect adjusted signal; a frequency division module connected to the sound effect adjustment module and configured to divide the sound effect adjusted signal into a plurality of frequency band signals; a dynamic adjustment module connected to the frequency division module and configured to dynamically adjust the sound effect of the plurality of frequency band signals and output a dynamic adjustment signal of each frequency band; a mixing module connected to the dynamic adjustment module and configured to mix the dynamic adjustment signals of each frequency band and output the optimized audio signal.

3. The audio control link of claim 1, wherein, The multi-frequency sound effect adjustment module comprises: a frequency band separation module configured to divide an input signal into a plurality of frequency band signals; a frequency band adjustment module connected to the frequency band separation module and configured to dynamically adjust the sound effect of the plurality of frequency band signals and output a frequency band adjustment signal of each frequency band; a frequency band sound effect adjustment module connected to the frequency band adjustment module and configured to adjust the sound effect of the frequency band adjustment signal of each frequency band and output a sound effect adjustment signal of each frequency band; a frequency band mixing module connected to the frequency band sound effect adjustment module and configured to mix the sound effect adjustment signals of each frequency band and output the optimized audio signal.

4. An audio control link as claimed in claim 2 or claim 3, wherein, The amplitude limiting and amplification module comprises: a first amplitude limiting module connected to the multi-frequency sound effect adjustment module and configured to limit the amplitude of the optimized audio signal and output a limited amplitude audio signal; a first signal amplification module connected to the first amplitude limiting module and configured to amplify the limited amplitude audio signal and output the audio adjustment signal.

5. An audio control link as claimed in claim 2 or claim 3, wherein, The amplitude limiting and amplification module comprises: a second signal amplification module connected to the multi-frequency sound effect adjustment module and configured to amplify the optimized audio signal and output an audio amplified signal; a second amplitude limiting module connected to the second signal amplification module and configured to limit the amplitude of the audio amplified signal and output the audio adjustment signal.

6. The audio control link of claim 4, wherein, The input end of the volume adjustment module is connected to the output end of the first signal amplification module, the output end of the volume adjustment module serves as the output end of the audio control link, and the volume adjustment module is configured to adjust the amplitude of the audio signal in the audio signal transmission link.

7. The audio control link of claim 5, wherein, The input end of the volume adjustment module is connected to the output end of the second amplitude limiting module, the output end of the volume adjustment module serves as the output end of the audio control link, and the volume adjustment module is configured to adjust the amplitude of the audio signal in the audio signal transmission link.

8. The audio control link of claim 4, wherein, The input end of the volume adjustment module is connected with the output end of the first limiting module, the output end of the volume adjustment module is connected with the input end of the first signal amplification module, and the amplitude of the audio signal in the audio signal transmission link is adjusted.

9. The audio control link of claim 5, wherein, The input end of the volume adjustment module is connected with the output end of the second signal amplification module, the output end of the volume adjustment module is connected with the input end of the second limiting module, and the amplitude of the audio signal in the audio signal transmission link is adjusted.

10. The audio control link of claim 4, wherein, The input end of the volume adjustment module is connected with the output end of the mixing module, the output end of the volume adjustment module is connected with the input end of the first limiting module, and the amplitude of the audio signal in the audio signal transmission link is adjusted.

11. The audio control link of claim 4, wherein, The input end of the volume adjustment module is connected with the output end of the frequency band mixing module, the output end of the volume adjustment module is connected with the input end of the first limiting module, and the amplitude of the audio signal in the audio signal transmission link is adjusted.

12. The audio control link of claim 5, wherein, The input end of the volume adjustment module is connected with the output end of the mixing module, the output end of the volume adjustment module is connected with the input end of the second signal amplification module, and the amplitude of the audio signal in the audio signal transmission link is adjusted.

13. The audio control link of claim 5, wherein, The input end of the volume adjustment module is connected with the output end of the frequency band mixing module, the output end of the volume adjustment module is connected with the input end of the second signal amplification module, and the amplitude of the audio signal in the audio signal transmission link is adjusted.

14. The audio control link of claim 2, wherein, The input end of the volume adjustment module is connected with the output end of the sound effect adjustment module, the output end of the volume adjustment module is connected with the input end of the frequency division module, and the amplitude of the audio signal in the audio signal transmission link is adjusted.

15. The audio control link of claim 2, wherein, The input end of the volume adjustment module is connected with the output end of the signal attenuation module, the output end of the volume adjustment module is connected with the input end of the sound effect adjustment module, and the amplitude of the audio signal in the audio signal transmission link is adjusted.

16. The audio control link of claim 3, wherein, The input end of the volume adjustment module is connected with the output end of the signal attenuation module, the output end of the volume adjustment module is connected with the input end of the frequency band separation module, and the amplitude of the audio signal in the audio signal transmission link is adjusted.

17. The audio control link of claim 1, wherein, The input end of the volume adjustment module is connected with the output end of the signal attenuation module, the output end of the volume adjustment module is connected with the input end of the frequency band separation module, and the amplitude of the audio signal in the audio signal transmission link is adjusted.

18. The audio control link of claim 2, wherein, The input end of the volume adjustment module is connected with the output end of the signal attenuation module, the output end of the volume adjustment module is connected with the input end of the frequency band separation module, and the amplitude of the audio signal in the audio signal transmission link is adjusted. The audio control link further comprises a user sound effect debugging module; The input end of the user sound effect debugging module is connected with the output end of the sound effect adjustment module, and the user end sound effect of the sound effect adjustment signal is adjusted, and a user adjustment signal is output; The input end of the frequency division module is connected with the output end of the user sound effect debugging module, the user adjustment signal is frequency divided, and the plurality of frequency division signals are output.

19. The audio control link of claim 1, wherein, The audio control link further comprises a power monitoring module, an input end of the power monitoring module serving as an input end of the audio control link, and an output end of the power monitoring module being connected with an input end of the signal attenuation module, for monitoring the audio signal input to the signal attenuation module.

20. The audio control link of claim 1, wherein, The audio control link further comprises a power monitoring module; The input end of the volume adjustment module serves as an input end of the audio control link, an input end of the power monitoring module is connected with an output end of the volume adjustment module, and an output end of the power monitoring module is connected with an input end of the signal attenuation module, for monitoring the audio signal input to the signal attenuation module.

21. An electronic device, comprising: An audio control link as claimed in any of claims 1-20.

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