Intelligent volume adjusting system for vehicle-mounted sound equipment

Abstract

The invention belongs to the field of vehicle-mounted sound equipment, particularly relates to an intelligent volume adjusting system for the vehicle-mounted sound equipment, and provides the following scheme aiming at the problems that the existing vehicle-mounted sound equipment does not have noise reduction and anti-interference functions in the intelligent voice adjusting process, so that the voice recognition is not clear, the control and adjustment effect is influenced, and the experience feeling is reduced. The system comprises a voice input module, the voice input module is connected with a directional pickup module, the directional pickup module is connected with a noise reduction module, the noise reduction module is connected with an unlocking module, the unlocking module is connected with a voice recognition module, and the voice recognition module is connected with a personalized setting module and an instruction judgment module. According to the intelligent voice adjusting system, the noise reduction and anti-interference functions can be achieved in the intelligent voice adjusting process, then clear voice recognition can be effectively guaranteed, the adjusting effect is prevented from being controlled, and the experience feeling is improved.

Description

Technical Field

[0001] This invention relates to the field of vehicle audio technology, and more particularly to an intelligent volume control system for vehicle audio systems. Background Technology

[0002] Car audio systems refer to the audio systems installed inside a vehicle. The most basic requirement for a system to be called an audio system is the ability to play back sound. Its anti-interference technology uses chokes connected in series between the power supply and the speakers to filter out external noise interference. Intelligent car audio systems in smart cars aim to provide a better driving experience and entertainment. Traditional car audio systems only provide basic audio playback functions, such as wireless radio and CD players. Modern intelligent car audio systems have taken a bigger step forward, integrating control systems, sound processing technology, and interconnectivity with other smart devices. With continuous technological advancements, smart cars not only offer greater driving safety and comfort but also endow vehicles with more intelligent and convenient functions.

[0003] In existing technologies, car audio systems lack noise reduction and anti-interference functions during voice-controlled intelligent adjustment, resulting in unclear voice recognition, affecting control and adjustment effects, and reducing the user experience. To address these issues, we propose a car audio intelligent volume adjustment system. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies where in-vehicle audio systems lack noise reduction and anti-interference functions during voice-controlled intelligent adjustment, resulting in unclear voice recognition, affecting control and adjustment effects, and reducing the user experience. Therefore, this invention proposes an intelligent volume adjustment system for in-vehicle audio systems.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A smart volume control system for in-vehicle audio systems includes a voice input module connected to a directional pickup module, a noise reduction module connected to the directional pickup module, an unlocking module connected to the noise reduction module, a voice recognition module connected to the unlocking module, a personalization setting module and a command judgment module connected to the voice recognition module, a command execution module connected to the command judgment module, an automatic adjustment module connected to the command execution module, an audio module and a switching module connected to the automatic adjustment module, a manual adjustment module connected to the audio module, a safety warning module, a dynamic adjustment module and a headrest module connected to the audio module, an anti-interference module connected to the dynamic adjustment module, an interconnection module connected to the anti-interference module, a zone module connected to the headrest module, a zone adjustment module connected to the zone adjustment module, and the zone adjustment module connected to the voice input module.

[0007] Preferably, the personalized settings module includes an audio preference setting unit, an equalizer parameter setting unit, and a volume balance setting unit, wherein the audio preference setting unit is connected to the equalizer parameter setting unit, and the equalizer parameter setting unit is connected to the volume balance setting unit.

[0008] Preferably, the anti-interference module includes a line filtering unit, an outer casing shielding unit, and an anti-interference circuit unit, wherein the line filtering unit is connected to the outer casing shielding unit, and the outer casing shielding unit is connected to the anti-interference circuit unit.

[0009] Preferably, the instruction execution module is used to extract the voice instructions collected by the voice recognition module, and control music playback, volume adjustment and channel switching operations according to the voice instructions.

[0010] Preferably, the interconnection module is used to connect the audio module to a smart device to obtain online music and voice assistant functions.

[0011] Preferably, the safety warning module is used to monitor driving conditions and driver status in real time, and the warning unit is used to issue alarms in real time based on the monitoring data.

[0012] Preferably, the safety warning module includes an external vehicle monitoring unit, an internal vehicle monitoring unit, and a warning unit, wherein the external vehicle monitoring unit is connected to the internal vehicle monitoring unit, and the internal vehicle monitoring unit is connected to the warning unit.

[0013] Preferably, the speech recognition module includes a signal processing unit, a feature extraction unit, a model matching unit, and an algorithm unit. The signal processing unit is connected to the feature extraction unit, the feature extraction unit is connected to the model matching unit, and the model matching unit is connected to the algorithm unit.

[0014] The beneficial effects of the intelligent volume control system for in-vehicle audio systems described in this invention are as follows:

[0015] 1. This solution effectively reduces in-vehicle noise by setting up noise reduction and anti-interference modules, filters power line interference through line filtering unit, shields spatial radiation interference through shell shielding unit, and installs anti-interference circuit unit in audio system to reduce external noise interference.

[0016] 2. This solution incorporates a safety warning module, which monitors driving conditions and driver status in real time. The warning unit issues alerts based on the monitoring data, effectively improving driving safety.

[0017] 3. This solution uses an instruction execution module to extract voice commands collected by the speech recognition module and control operations such as music playback, volume adjustment, and channel switching based on the voice commands, eliminating the need to distract attention from operating the control panel.

[0018] This invention can reduce noise and resist interference during intelligent voice adjustment, thereby effectively ensuring clear voice recognition, avoiding control adjustment effects, and improving the user experience. Attached Figure Description

[0019] Figure 1 This is a structural block diagram of an intelligent volume control system for in-vehicle audio systems proposed in this invention;

[0020] Figure 2 This is a structural block diagram of a voice recognition module for an intelligent volume control system for in-vehicle audio systems proposed in this invention.

[0021] Figure 3 This is a structural block diagram of a personalized setting module for an intelligent volume control system for in-vehicle audio systems proposed in this invention.

[0022] Figure 4 This is a structural block diagram of a safety warning module for an intelligent volume control system for in-vehicle audio systems proposed in this invention.

[0023] Figure 5 This is a structural block diagram of an anti-interference module for an intelligent volume control system for in-vehicle audio systems proposed in this invention. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0025] Example 1

[0026] Reference Figures 1-5A smart volume control system for in-vehicle audio systems includes a voice input module connected to a directional pickup module, a noise reduction module connected to the directional pickup module, an unlocking module connected to the noise reduction module, a voice recognition module connected to the unlocking module, a personalization setting module and a command judgment module connected to the voice recognition module, a command execution module connected to the command judgment module, an automatic adjustment module connected to the automatic adjustment module, an audio module and a switching module connected to the automatic adjustment module, a manual adjustment module connected to the audio module, a safety warning module, a dynamic adjustment module and a headrest module connected to the audio module, an anti-interference module connected to the dynamic adjustment module, an interconnection module connected to the anti-interference module, a zone module connected to the headrest module, a zone adjustment module connected to the zone adjustment module, and a voice input module connected to the voice input module. The command execution module is used to extract voice commands. The recognition module collects voice commands and controls music playback, volume adjustment, and channel switching based on these commands. The interconnection module connects the audio module to smart devices, enabling access to online music and voice assistant functions. It allows the audio module to connect with other smart devices, enabling various functions. For example, by connecting to a mobile phone, the driver can answer calls, play songs from the music library, and use navigation on the in-car audio system. Furthermore, the interconnection function provides access to online music, voice assistants, and smart home control, greatly enhancing the in-car intelligent experience. The dynamic adjustment module optimizes and adjusts the audio signal, providing a higher quality music experience. Through noise reduction, equalizer, and sound field positioning functions, the driver and passengers can obtain clearer and more realistic music effects, improving driving comfort.

[0027] Reference Figure 2 The speech recognition module includes a signal processing unit, a feature extraction unit, a model matching unit, and an algorithm unit. The signal processing unit is connected to the feature extraction unit, the feature extraction unit is connected to the model matching unit, and the model matching unit is connected to the algorithm unit. The directional pickup module collects the voice commands issued by the driver. The speech recognition module converts the physical sound signal output by the directional pickup module into a digital voice signal and identifies the Chinese characters or words corresponding to the voice commands. Then, the instruction execution module generates the corresponding word code instruction and transmits the control command to the audio module. The audio module receives the control command and generates an action. The speech recognition module is based on the HMM model algorithm. This algorithm establishes a statistical model speech library of recognition words by performing data statistics on a large amount of speech data. Then, it extracts features from the speech to be recognized, matches them with the model library, and obtains the recognition result by comparing the matching scores. The recognition result is then identified by the word code signal corresponding to the recognition result.

[0028] Reference Figure 3The personalized settings module includes an audio preference settings unit, an equalizer parameter settings unit, and a volume balance settings unit. The audio preference settings unit is connected to the equalizer parameter settings unit, and the equalizer parameter settings unit is connected to the volume balance settings unit. The personalized settings module allows users to freely select their preferred audio settings and adjust parameters such as the equalizer and volume balance to meet their music appreciation needs.

[0029] Reference Figure 4 The safety warning module includes an external vehicle monitoring unit, an internal vehicle monitoring unit, and a warning unit. The external vehicle monitoring unit is connected to the internal vehicle monitoring unit, and the internal vehicle monitoring unit is connected to the warning unit. The safety warning module is used to monitor driving conditions and driver status in real time, and the warning unit is used to issue alarms in real time based on the monitoring data.

[0030] Reference Figure 5 The anti-interference module includes a line filtering unit, an outer casing shielding unit, and an anti-interference circuit unit. The line filtering unit is connected to the outer casing shielding unit, and the outer casing shielding unit is connected to the anti-interference circuit unit. The line filtering unit filters interference from the power line, and the outer casing shields spatial radiation interference. The anti-interference circuit unit is installed in the audio system to reduce external noise interference.

[0031] In this embodiment, during use, the voice input module can collect the driver's voice commands, the directional sound pickup module can accurately extract the voice commands, the noise reduction module can eliminate in-vehicle noise, and then the unlocking module unlocks the voice recognition module. The voice recognition module recognizes the Chinese characters or words corresponding to the voice commands, and then the command judgment module and command execution module generate corresponding word code commands, which are then transmitted to the automatic adjustment module. The automatic adjustment module controls the audio module to perform actions. The personalized setting module allows users to freely select their preferred audio settings and adjust parameters such as equalizer and volume balance to meet their music listening needs. At the same time, by switching the module settings, users can switch to manual adjustment mode, which allows for manual adjustment operations. The zoning module can divide the in-vehicle audio modules into zones based on their positions, and the zoning adjustment module allows users to input voice commands to the voice input module for adjustment operations, avoiding disturbing other passengers. The safety warning module is used to monitor driving conditions and driver status in real time, and the warning unit issues alarms in real time based on the monitoring data, effectively improving driving safety.

[0032] Example 2

[0033] The difference between this embodiment and Embodiment 1 is that the audio module is connected to an artificial intelligence module, and the artificial intelligence module is connected to an integration module. The artificial intelligence module can realize more intelligent functions, such as improved understanding of driver voice commands and emotion recognition. The integration module can achieve deep integration with the vehicle network system. Through the connection between the in-vehicle audio system and the cloud, the driver can enjoy more online music resources, real-time traffic information, and intelligent navigation services.

[0034] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A smart volume control system for in-vehicle audio systems, comprising a voice input module, characterized in that, The voice input module is connected to a directional sound pickup module, which is connected to a noise reduction module. The noise reduction module is connected to an unlocking module, which is connected to a voice recognition module. The voice recognition module is connected to a personalization setting module and a command judgment module. The command judgment module is connected to a command execution module, which is connected to an automatic adjustment module. The automatic adjustment module is connected to a speaker module and a switching module. The switching module is connected to a manual adjustment module. The speaker module is connected to a safety warning module, a dynamic adjustment module, and a headrest module. The dynamic adjustment module is connected to an anti-interference module, which is connected to an interconnection module. The headrest module is connected to a partitioning module, which is connected to a partitioning adjustment module. The partitioning adjustment module is connected to the voice input module.

2. The intelligent volume control system for in-vehicle audio according to claim 1, characterized in that, The speech recognition module includes a signal processing unit, a feature extraction unit, a model matching unit, and an algorithm unit. The signal processing unit is connected to the feature extraction unit, the feature extraction unit is connected to the model matching unit, and the model matching unit is connected to the algorithm unit.

3. The intelligent volume control system for in-vehicle audio according to claim 2, characterized in that, The personalized settings module includes an audio preference setting unit, an equalizer parameter setting unit, and a volume balance setting unit. The audio preference setting unit is connected to the equalizer parameter setting unit, and the equalizer parameter setting unit is connected to the volume balance setting unit.

4. The intelligent volume control system for in-vehicle audio according to claim 3, characterized in that, The safety warning module includes an external vehicle monitoring unit, an internal vehicle monitoring unit, and a warning unit. The external vehicle monitoring unit is connected to the internal vehicle monitoring unit, and the internal vehicle monitoring unit is connected to the warning unit.

5. The intelligent volume control system for in-vehicle audio according to claim 4, characterized in that, The anti-interference module includes a line filtering unit, an outer casing shielding unit, and an anti-interference circuit unit. The line filtering unit is connected to the outer casing shielding unit, and the outer casing shielding unit is connected to the anti-interference circuit unit.

6. The intelligent volume control system for in-vehicle audio according to claim 5, characterized in that, The safety warning module is used to monitor driving conditions and driver status in real time, and the warning unit is used to issue alarms in real time based on the monitoring data.

7. The intelligent volume control system for in-vehicle audio according to claim 6, characterized in that, The instruction execution module is used to extract the voice instructions collected by the voice recognition module, and control music playback, volume adjustment and channel switching according to the voice instructions.

8. The intelligent volume control system for in-vehicle audio according to claim 7, characterized in that, The interconnect module is used to connect the audio module to smart devices to obtain online music and voice assistant functions.

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