Vehicle-mounted multi-sound independent control system

By employing multiple audio DSP modules connected independently to each speaker in the vehicle audio system, and remotely adjusting the sound effect parameters, the problem of poor overall sound effect caused by synchronous speaker control in existing technologies is solved, achieving efficient and personalized sound effect optimization and sound quality improvement.

CN223744880UActive Publication Date: 2025-12-30SHANGHAI HANGSHENG IND
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Patent Information

Application Number
CN202423197005.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-30
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing car audio systems use a single DSP chip to synchronously control multiple speakers, which prevents independent sound effect adjustment and results in poor overall sound quality.

Method used

Multiple audio DSP modules are independently connected to each car audio system. Equalizer, delay, and gain parameters can be remotely adjusted via human-machine interface and cloud platform. Combined with analog-to-digital converter and noise reduction module, sound quality is optimized, and music and voice playback paths are separated.

Benefits of technology

It enables independent sound effect adjustment for each speaker, improves the sound performance of the speakers in different spatial positions, enhances system operating efficiency and sound quality, and is suitable for the personalized needs of demanding users.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the related technical field of vehicle-mounted sound equipment, and discloses a vehicle-mounted multi-sound-equipment independent control system, which comprises a plurality of audio DSP (Digital Signal Processor) modules connected with an audio output end of a vehicle-mounted processor, and the audio DSP modules are connected with the vehicle-mounted sound equipment arranged at each part of a vehicle body. Each audio DSP module is independently connected with only one vehicle-mounted audio system, the vehicle body is provided with a man-machine interaction screen connected with the vehicle-mounted processor, and the man-machine interaction screen adjusts the equalizer, delay and gain parameters of each vehicle-mounted audio system through the audio DSP modules. According to the utility model, the sound effect of each vehicle-mounted sound system is allowed to be independently adjusted, and the system can optimize the performance of each vehicle-mounted sound system in different spatial positions by adjusting the equalizer and the time delay, so that the optimal sound field in the whole vehicle range is realized, the individual demand of a user on the sound effect is met, and the user experience is improved. The method is especially suitable for users with higher requirements on sound field positioning and stereo effect.
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Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle-mounted sound control related technical field especially, relates to a vehicle-mounted multi-sound independent control system. BACKGROUND

[0002] Vehicle-mounted audio-visual entertainment system has become an important part of modern car, with the continuous improvement of user's comfort and entertainment demand to car, the importance of vehicle-mounted sound system is increasingly prominent. Due to the unique closed space structure of car, can provide good reverberation environment for sound, improves the sound performance. However, the existing vehicle-mounted sound system mostly only provides basic sound setting, such as audio balance, attenuation, bass enhancement etc. The existing is through a DSP chip to the synchronous control of multiple sound, and can not carry out independent sound effect adjustment control to each sound, so that the sound effect of each sound is the same, and the overall sound effect is poor. Therefore, designing a sound effect quality vehicle-mounted sound control system has become an urgent problem in the industry. SUMMARY

[0003] The utility model discloses a vehicle-mounted multi-sound independent control system, to solve the existing technology through a DSP chip to the synchronous control of multiple sound, and can not carry out independent sound effect adjustment control to each sound, so that the sound effect of each sound is the same, and the overall sound effect is poor defect.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] The utility model discloses a vehicle-mounted multi-sound independent control system, including multiple audio frequency DSP module with the audio output end connection of vehicle-mounted processor, multiple audio frequency DSP module with the vehicle-mounted sound installed at each place of car body is connected, so that each audio frequency DSP module only carries out independent connection with one vehicle-mounted sound, and the human-computer interaction screen that is connected with vehicle-mounted processor is equipped on the car body, the human-computer interaction screen is through to each audio frequency DSP module Control, realizes the equalizer, delay and gain parameter of each vehicle-mounted sound adjustment.

[0006] As a preferred technical scheme of the utility model, the vehicle-mounted processor is further connected with communication module, and the vehicle-mounted processor is connected with cloud platform through communication module, and the cloud platform is connected with mobile phone mobile terminal and network, and the mobile phone mobile terminal adjusts the equalizer, delay and gain parameter of each audio frequency DSP module through cloud platform.

[0007] As a preferred technical scheme of the utility model, the audio output end of the vehicle-mounted processor is connected with the input end of the audio DSP module, the output end of the audio DSP module is connected with a noise reduction module, the output end of the noise reduction module is connected with a power amplifier module, and the output end of the power amplifier module is connected with the audio input end of the vehicle-mounted audio.

[0008] As a preferred technical scheme of the utility model, each audio DSP module is provided with a Bluetooth module, and the Bluetooth modules do not connect with each other, and the audio DSP module is connected with external music equipment with Bluetooth communication function through the Bluetooth module.

[0009] As a preferred technical scheme of the utility model, the vehicle body is further provided with a main DSP module connected with the vehicle-mounted processor, the audio input end of the main DSP module is connected with the audio output end of the vehicle-mounted voice output equipment, the main DSP module is connected with a vehicle-mounted loudspeaker, and the vehicle-mounted loudspeaker is used for playing vehicle-mounted voice except music files.

[0010] The utility model has the advantages of:

[0011] 1. The vehicle-mounted multi-audio independent control system is provided with a plurality of audio DSP modules connected with the audio output end of the vehicle-mounted processor, each audio DSP module is independently connected with one vehicle-mounted audio, the equalizer, delay and gain parameters of the single vehicle-mounted audio can be adjusted, the sound effect of each vehicle-mounted audio can be independently adjusted considering the different internal space structures of each vehicle, the performance of each vehicle-mounted audio in different space positions can be optimized through adjusting the equalizer and delay, so that the best sound field in the whole vehicle range is realized, the fine space control function meets the individualized demand of users for sound effect, and is especially suitable for users with higher demand for sound field positioning and stereo sound effect, each audio DSP module is independently connected with one vehicle-mounted audio, so that the information processing amount of each audio DSP module is reduced, each audio DSP module can efficiently and smoothly process the audio, more accurate audio processing effect can be provided, and the operation efficiency of the whole system is improved.

[0012] 2. The vehicle-mounted multi-audio independent control system is provided with a cloud platform connected with the vehicle-mounted processor through a communication module, the cloud platform is connected with a mobile phone terminal and a network, so that each audio DSP module can be adjusted through the mobile phone terminal, and each audio can be remotely adjusted. The noise signal generated by the analog-to-digital converter can be filtered through the noise reduction module, so that the whole system has good sound quality.

[0013] 3. The vehicle-mounted multi-audio independent control system further comprises a main DSP module connected with the vehicle-mounted processor, and a vehicle-mounted loudspeaker connected with the main DSP module, which is used for playing voice for navigation, telephone call and the like in addition to music files, so that the music playing and the voice playing are separated, and the work is clear, and different playing effects can be set according to voice broadcasting and music playing. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments or the prior art description. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in the drawings without creative labor.

[0015] Figure 1 is a structural schematic view of a vehicle-mounted multi-audio independent control system in the first embodiment of the present application.

[0016] In the figure: 1, vehicle-mounted processor; 2, audio DSP module; 3, vehicle-mounted audio; 4, man-machine interaction screen; 5, communication module; 6, cloud platform; 7, mobile phone mobile terminal; 8, analog-digital converter; 9, noise reduction module; 10, power amplifier module; 11, Bluetooth module; 12, main DSP module; 13, vehicle-mounted loudspeaker.

[0017] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments only represent some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] In addition, if the description of “first”, “second” and the like is involved in the embodiments of the present application, the description of “first”, “second” and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by “first”, “second” can explicitly or implicitly include at least one of the features.

[0020] Embodiment one

[0021] As Figure 1The utility model discloses a kind of independent control systems of vehicle-mounted multi-audio, including multiple audio frequency DSP module 2 with the audio output end connection of vehicle-mounted processor 1, multiple audio frequency DSP module 2 are connected with vehicle-mounted audio 3 installed at each place of vehicle body, so that each audio frequency DSP module 2 is only independently connected with one vehicle-mounted audio 3, vehicle body is equipped with man-machine interactive screen 4 connected on vehicle-mounted processor 1, the man-machine interactive screen 4 is controlled to each audio frequency DSP module 2, realize the equalizer of each vehicle-mounted audio 3, delay and gain parameter are adjusted. By being equipped with multiple audio frequency DSP module 2 with the audio output end connection of vehicle-mounted processor 1, each audio frequency DSP module 2 is only independently connected with one vehicle-mounted audio 3, so that the equalizer of single vehicle-mounted audio 3, delay and gain parameter are adjusted, considering that the internal space structure of each vehicle is different, the utility model allows the sound effect of each vehicle-mounted audio 3 to be independently adjusted, by adjusting equalizer and delay, system can optimize the performance of each vehicle-mounted audio 3 in different space positions, to realize the best sound field in the whole vehicle range, this kind of fine interval control function meets the individualized demand of user to sound effect, especially suitable for those who have higher requirements to sound field positioning and stereophonic effect;And each audio frequency DSP module 2 is only independently connected with one vehicle-mounted audio 3, so as to reduce the information processing amount of audio frequency DSP module 2, so that audio frequency DSP module 2 can efficiently and smoothly process respective audio, can provide more accurate audio processing effect, improve the operating efficiency of overall system, wherein the efficient processing capacity of audio frequency DSP module 2 ensures that sound quality optimization and system stability coexist, suitable for long time use and high demand scene.

[0022] The vehicle-mounted processor 1 is also connected with a communication module 5, the vehicle-mounted processor 1 is connected with a cloud platform 6 through the communication module 1, the cloud platform 6 is connected with a mobile phone mobile terminal 7 and a network, the mobile phone mobile terminal 7 adjusts the equalizer, delay and gain parameter of each audio frequency DSP module 2 through the cloud platform 6. In this way, each audio frequency DSP module 2 can be adjusted through the mobile phone mobile terminal 7, and then each audio can be remotely adjusted.

[0023] The audio output end of the vehicle-mounted processor 1 is connected with the input end of the audio DSP module 2, the output end of the audio DSP module 2 is connected with the noise reduction module 9, the output end of the noise reduction module 9 is connected with the power amplifier module 10, and the output end of the power amplifier module 10 is connected with the audio input end of the vehicle-mounted audio 3; the utility model discloses a vehicle-mounted processor 1 is connected with the input end of the audio DSP module 2 between the audio output end, the output end of the audio DSP module 2 is connected with the noise reduction module 9, because the audio DSP module 2 can only handle digital signal, if the input audio signal is analog audio signal, then needs to convert analog audio signal into digital signal through analog-digital converter 8 first.

[0024] Wherein, each audio DSP module 2 is provided with Bluetooth module 11, and the Bluetooth module 11 does not carry out Bluetooth connection between each other, and the audio DSP module 2 is connected with external music equipment with Bluetooth communication function through Bluetooth module 11.

[0025] Wherein, the vehicle body is further provided with main DSP module 12 connected with the vehicle-mounted processor 1, the audio input end of the main DSP module 12 is connected with the audio output end of the vehicle-mounted voice output device, the main DSP module 12 is connected with the vehicle-mounted loudspeaker 13, and the vehicle-mounted loudspeaker 13 is used for playing the vehicle-mounted voice except music file, and the vehicle-mounted loudspeaker 13 connected with the main DSP module 12 in the utility model is used for playing the vehicle-mounted voice except music file, and can play the voice such as navigation, telephone call, and the like, so that music playing and other voice playing work are separated, and different playing effects can be set according to voice broadcast and music playing.

[0026] In addition, if "and / or" or "and / or" appears in the whole text, it means that the three parallel schemes include the A scheme, or the B scheme, or the A and B schemes. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

Claims

1. A vehicle-mounted multi-audio independent control system, characterized in that: The application relates to a vehicle-mounted processor (1) which is connected with a plurality of audio DSP modules (2) and a plurality of vehicle-mounted audio devices (3), wherein the vehicle-mounted processor (1) is connected with a man-machine interaction screen (4), the audio DSP modules (2) are connected with the vehicle-mounted audio devices (3) respectively, and the man-machine interaction screen (4) is used for adjusting the equalizer, delay and gain parameters of the vehicle-mounted audio devices (3).

2. The vehicle-mounted multi-audio independent control system according to claim 1, characterized in that, The vehicle-mounted processor (1) is further connected with a communication module (5), the vehicle-mounted processor (1) is connected with a cloud platform (6) through the communication module (1), the cloud platform (6) is connected with a mobile phone (7) and a network, and the mobile phone (7) is used for adjusting the equalizer, delay and gain parameters of the audio DSP modules (2) through the cloud platform (6).

3. The vehicle-mounted multi-audio independent control system according to claim 1, characterized in that, An analog-digital converter (8) is arranged between the audio output end of the vehicle-mounted processor (1) and the input end of the audio DSP module (2), a noise reduction module (9) is arranged at the output end of the audio DSP module (2), a power amplifier module (10) is arranged at the output end of the noise reduction module (9), and the output end of the power amplifier module (10) is connected with the audio input end of the vehicle-mounted audio device (3).

4. The vehicle-mounted multi-audio independent control system according to claim 1, characterized in that, Each audio DSP module (2) is provided with a Bluetooth module (11), the Bluetooth modules (11) are not connected with each other, and the audio DSP modules (2) are connected with external music devices with Bluetooth communication function through the Bluetooth modules (11).

5. The vehicle-mounted multi-audio independent control system according to claim 1, characterized in that, A main DSP module (12) is further arranged on the vehicle body and connected with the vehicle-mounted processor (1), the audio input end of the main DSP module (12) is connected with the audio output end of a vehicle-mounted voice output device, the main DSP module (12) is connected with a vehicle-mounted loudspeaker (13), and the vehicle-mounted loudspeaker (13) is used for playing vehicle-mounted voice except music files.