WO2017084280A1 - 音响控制方法和装置 - Google Patents
音响控制方法和装置 Download PDFInfo
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- WO2017084280A1 WO2017084280A1 PCT/CN2016/083127 CN2016083127W WO2017084280A1 WO 2017084280 A1 WO2017084280 A1 WO 2017084280A1 CN 2016083127 W CN2016083127 W CN 2016083127W WO 2017084280 A1 WO2017084280 A1 WO 2017084280A1
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- power amplifier
- volume control
- data
- audio data
- frequency power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems
Definitions
- the present invention provides an acoustic control method, the sound comprising at least two power amplifiers, including the steps of:
- the audio data is sent to the respective power amplifiers for the respective power amplifiers to receive the audio data, and the audio data is digital-to-analog converted according to the corresponding frequency range, and The digital-analog converted audio data is output to the corresponding speaker.
- the sound comprises three power amplifiers, respectively a high frequency power amplifier, an intermediate frequency power amplifier and a low frequency power amplifier, the high frequency power amplifier being connected to the left channel device and the right channel device, the intermediate frequency power amplifier Connected to the left channel device and the right channel device, the low frequency power amplifier is connected to the subwoofer.
- the high frequency power amplifier being connected to the left channel device and the right channel device
- the intermediate frequency power amplifier Connected to the left channel device and the right channel device
- the low frequency power amplifier is connected to the subwoofer.
- the high frequency power amplifier is initialized by the configuration parameter according to the identification information of the high frequency power amplifier, and the frequency range corresponding to the high power amplifier is obtained. .
- a sending module configured to: when the audio data is acquired, send the audio data to the respective power amplifiers, where the respective power amplifiers receive the audio data, and perform the audio data according to the corresponding frequency range Digital-to-analog conversion, and output the digital-to-analog converted audio data to the corresponding speakers.
- the sound comprises three power amplifiers, respectively a high frequency power amplifier, an intermediate frequency power amplifier and a low frequency power amplifier, the high frequency power amplifier being connected to the left channel device and the right channel device, the intermediate frequency power amplifier Connected to the left channel device and the right channel device, the low frequency power amplifier is connected to the subwoofer.
- the high frequency power amplifier being connected to the left channel device and the right channel device
- the intermediate frequency power amplifier Connected to the left channel device and the right channel device
- the low frequency power amplifier is connected to the subwoofer.
- a third initializing unit configured to perform an initializing operation on the high frequency power amplifier by using the configuration parameter according to the identification information of the high frequency power amplifier after obtaining a frequency range corresponding to the medium power amplifier, to obtain the The frequency range corresponding to the high power amplifier.
- a configuration module configured to configure volume control data for each of the power amplifiers according to the volume data and the volume control instruction, and send the volume control data to the respective power amplifiers.
- the audio control device further includes a processing module, if there is no volume control command, performing the step of: detecting whether a volume control command exists.
- the present invention performs an initializing operation on the respective power amplifiers according to the identification information of the respective power amplifiers and the acquired configuration parameters, and obtains frequency ranges corresponding to the respective power amplifiers, and transmits the obtained audio data to the respective power amplifiers. And receiving, by the respective power amplifiers, the audio data, performing digital-to-analog conversion on the audio data according to the corresponding frequency range, and outputting the digital-analog-converted audio data to a corresponding speaker.
- the digital audio conversion of the audio data of different frequency ranges is performed by a plurality of power amplifiers, and then output to the corresponding speakers, so that the frequency response of the digital television audio is wider, the sound quality is better, and the bass does not need an external bass. Speakers, saving costs.
- FIG. 2 is a schematic flow chart of a second embodiment of an acoustic control method according to the present invention.
- FIG. 4 is a schematic diagram of functional modules of a second embodiment of the acoustic control device of the present invention.
- FIG. 1 is a schematic flow chart of a first embodiment of an acoustic control method according to the present invention.
- the sound system includes at least two power amplifiers.
- the sound control method includes:
- the number of the speakers is three, two of which are mid-high-tone integrated speakers, and one is a subwoofer, and the middle and high-tone integrated speakers are responsible for the audio data of the left channel, and one is responsible for the right sound.
- There are three power amplifiers in the digital television which are respectively a high frequency power amplifier, an intermediate frequency power amplifier and a low frequency power amplifier, and the high frequency power amplifier is connected to the left channel device and the right channel device in the speaker, An intermediate frequency power amplifier is coupled to the left channel device and the right channel device in the speaker, the low frequency power amplifier being coupled to a subwoofer in the speaker.
- the device address corresponding to the high frequency power amplifier is A
- the device address corresponding to the intermediate frequency power amplifier is B.
- the CPU extracts configuration parameters of the low frequency power amplifier from the configuration parameters according to the device address C of the low frequency power amplifier, and loads the configuration parameters of the low frequency power amplifier through the I2C bus Up to the low frequency power amplifier, that is, performing an initializing operation on the low frequency power amplifier to obtain a frequency range of audio data that can be processed by the low frequency power amplifier, such as obtaining a frequency range of the audio data corresponding to the low frequency power amplifier It is 0Hz to 160Hz.
- Step S20 when the audio data is acquired, sending the audio data to the respective power amplifiers, so that the respective power amplifiers receive the audio data, and digitally modulate the audio data according to the corresponding frequency range. Convert and output the digital-analog converted audio data to the corresponding speakers.
- the high frequency power amplifier receives the audio data sent by the CPU, extracting audio data greater than 1.5 kHz in the audio data, and performing digital-to-analog conversion on the audio data greater than 1.5 kHz to The audio data is greater than 1.5KHz, and the amplified audio data is outputted to the mid-high-tone integrated speaker, that is, outputted to the left channel device and the right channel device, and the middle and high-tone integrated speaker Outputting corresponding audio;
- the intermediate frequency power amplifier receives the audio data sent by the CPU, extracting audio data of 140 Hz to 2 kHz in the audio data, and performing digital-to-analog conversion on the audio data of 140 Hz to 2 kHz to Amplifying the audio data of 140 Hz to 2 kHz, and outputting the amplified audio data to a speaker of the middle and high treble, that is, outputting to the left channel speaker and the right channel speaker, and integrating the middle and high sounds
- the speaker output corresponds to audio; when the low frequency power amplifier receives the audio
- a configuration parameter of the high frequency power amplifier is configured to load configuration parameters of the high frequency power amplifier into the high frequency power amplifier through the I2C bus to obtain a frequency range corresponding to the high power amplifier.
- the initialization sequence of the CPU to the high frequency power amplifier, the intermediate frequency power amplifier, and the low frequency power amplifier is not limited to the sequence of the embodiment, and the high frequency power amplifier may be initialized first. Then, the intermediate frequency power amplifier is initialized, and finally the low frequency power amplifier is initialized.
- the frequency ranges corresponding to the respective power amplifiers are obtained by performing initialization operations on the respective power amplifiers according to the identification information of the respective power amplifiers and the acquired configuration parameters, and the obtained audio data is sent to the respective powers.
- the digital audio conversion of the audio data of different frequency ranges is performed by a plurality of power amplifiers, and then output to the corresponding speakers, so that the frequency response of the digital television audio is wider, the sound quality is better, and the bass does not need an external bass. Speakers, saving costs.
- FIG. 2 is a schematic flow chart of a second embodiment of an acoustic control method according to the present invention. Based on the first embodiment, a second embodiment of the acoustic control method of the present invention is proposed.
- the volume data of the audio is 0 to 85; the volume data of the digital television corresponding to the intermediate frequency power amplifier is 34 to 67, and the volume data 34 to 67 of the digital television correspond to the volume data of the digital television audio. 86 to 170; the volume data of the digital television corresponding to the high frequency power amplifier is 68 to 100, and the volume data 68 to 100 of the digital television correspond to the volume data of the digital television sound of 171 to 225.
- the volume control data is configured for each power amplifier according to the volume control command, so that the sound quality of the audio output by the digital television audio is better, and the user experience is improved.
- FIG. 3 is a schematic diagram of functional modules of the first embodiment of the acoustic control device of the present invention.
- the audio control device includes:
- the initialization module 10 is configured to obtain initial configuration parameters and identification information of each power amplifier, and perform initialization operations on the respective power amplifiers through the configuration parameters according to the identification information to obtain frequency ranges corresponding to the respective power amplifiers. ;
- the main IC includes, but is not limited to, the I2C bus and the I2S bus.
- the configuration parameters include parameters of the equalizers corresponding to the respective power amplifiers, parameters of the limiters in the respective power amplifiers, and the like.
- the identification information of the respective power amplifiers is a device address set by a hardware configuration of the respective power amplifiers.
- the number of the speakers is three, two of which are mid-high-tone integrated speakers, and one is a subwoofer, and the middle and high-tone integrated speakers are responsible for the audio data of the left channel, and one is responsible for the right sound.
- There are three power amplifiers in the digital television which are respectively a high frequency power amplifier, an intermediate frequency power amplifier and a low frequency power amplifier, and the high frequency power amplifier is connected to the left channel device and the right channel device in the speaker, An intermediate frequency power amplifier is coupled to the left channel device and the right channel device in the speaker, the low frequency power amplifier being coupled to a subwoofer in the speaker.
- the device address corresponding to the high frequency power amplifier is A
- the device address corresponding to the intermediate frequency power amplifier is B.
- the CPU extracts configuration parameters of the low frequency power amplifier from the configuration parameters according to the device address C of the low frequency power amplifier, and loads the configuration parameters of the low frequency power amplifier through the I2C bus Up to the low frequency power amplifier, that is, performing an initializing operation on the low frequency power amplifier to obtain a frequency range of audio data that can be processed by the low frequency power amplifier, such as obtaining a frequency range of the audio data corresponding to the low frequency power amplifier It is 0Hz to 160Hz.
- the sending module 20 is configured to: when the audio data is acquired, send the audio data to the respective power amplifiers, where the respective power amplifiers receive the audio data, and the audio data is according to the corresponding frequency range. Digital-to-analog conversion is performed, and the digital-to-analog converted audio data is output to the corresponding speaker.
- the high frequency power amplifier receives the audio data sent by the CPU, extracting audio data greater than 1.5 kHz in the audio data, and performing digital-to-analog conversion on the audio data greater than 1.5 kHz to The audio data is greater than 1.5KHz, and the amplified audio data is outputted to the mid-high-tone integrated speaker, that is, outputted to the left channel device and the right channel device, and the middle and high-tone integrated speaker Outputting corresponding audio;
- the intermediate frequency power amplifier receives the audio data sent by the CPU, extracting audio data of 140 Hz to 2 kHz in the audio data, and performing digital-to-analog conversion on the audio data of 140 Hz to 2 kHz to Amplifying the audio data of 140 Hz to 2 kHz, and outputting the amplified audio data to a speaker of the middle and high treble, that is, outputting to the left channel speaker and the right channel speaker, and integrating the middle and high sounds
- the speaker output corresponds to audio; when the low frequency power amplifier receives the audio
- the initialization module 10 includes:
- a first initializing unit configured to acquire initial configuration parameters and identification information of the high frequency power amplifier, identification information of the intermediate frequency power amplifier, and identification information of the low frequency power amplifier, and according to the identification information of the low frequency power amplifier, pass the configuration parameter pair Performing an initialization operation on the low frequency power amplifier to obtain a frequency range corresponding to the low power amplifier;
- a second initializing unit configured to perform an initializing operation on the intermediate frequency power amplifier by using the configuration parameter according to the identification information of the intermediate frequency power amplifier after obtaining a frequency range corresponding to the low power amplifier, to obtain the medium power The frequency range corresponding to the amplifier;
- the CPU first extracts configuration parameters of the low frequency power amplifier from the configuration parameters according to the device address C of the low frequency power amplifier, and loads the configuration parameters of the low frequency power amplifier into the In the low frequency power amplifier, obtaining a frequency range corresponding to the low power amplifier; and then extracting configuration parameters of the intermediate frequency power amplifier from the configuration parameter according to the device address B of the intermediate frequency power amplifier, and using the intermediate frequency power amplifier
- the configuration parameter is loaded into the intermediate frequency power amplifier through the I2C bus to obtain a frequency range corresponding to the medium power amplifier; and finally, according to the device address A of the high frequency power amplifier, the method is extracted in the configuration parameter.
- a configuration parameter of the high frequency power amplifier is configured to load configuration parameters of the high frequency power amplifier into the high frequency power amplifier through the I2C bus to obtain a frequency range corresponding to the high power amplifier.
- the initialization sequence of the CPU to the high frequency power amplifier, the intermediate frequency power amplifier, and the low frequency power amplifier is not limited to the sequence of the embodiment, and the high frequency power amplifier may be initialized first. Then, the intermediate frequency power amplifier is initialized, and finally the low frequency power amplifier is initialized.
- the detecting module 30 is configured to detect whether a volume control instruction exists
- the extraction module 40 is configured to separately extract volume data corresponding to each power amplifier if a volume control instruction exists;
- the volume data of the audio is 0 to 85; the volume data of the digital television corresponding to the intermediate frequency power amplifier is 34 to 67, and the volume data 34 to 67 of the digital television correspond to the volume data of the digital television audio. 86 to 170; the volume data of the digital television corresponding to the high frequency power amplifier is 68 to 100, and the volume data 68 to 100 of the digital television correspond to the volume data of the digital television sound of 171 to 225.
- the CPU respectively configures volume control data for the respective power amplifiers according to the volume data and the volume control command, and sends the volume control data to the respective power amplifiers through the I2C interface for the Each power amplifier performs digital-to-analog conversion on the volume control data and outputs the corresponding data to the corresponding speaker. If the volume control command detected by the CPU is to adjust the sound of the digital television from 30 to 35, the CPU analyzes the volume control command, and the volume control command corresponds to the respective power amplifiers. Comparing the volume data of the digital television with the volume data of the digital television audio, respectively obtaining volume control data belonging to the low frequency range of the volume control command, and belonging to the volume control data of the medium frequency range, belonging to the high frequency range Volume control data.
- the CPU configures the low frequency range volume control data to the low frequency power amplifier through the I2C interface, so that the low frequency power amplifier performs digital to analog conversion amplification on the low frequency range volume control data Outputting to the subwoofer; arranging the volume control data of the medium frequency range to the intermediate frequency power amplifier through the I2C interface, for the medium frequency power amplifier to digitally control the volume control data of the middle frequency range Converting the amplified output to the mid-high-sound integrated speaker; arranging the high-frequency range volume control data to the high-frequency power amplifier through the I2C interface, for the high-frequency power amplifier to set the high-frequency range
- the volume control data is digital-analog converted and output to the mid-high-pitched speaker.
- the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better.
- Implementation Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
- the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, an air conditioner, or a video quality device, etc.) to perform the methods described in various embodiments of the present invention.
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Abstract
Description
Claims (18)
- 一种音响控制方法,其特征在于,所述音响包括至少两个功率放大器,所述音响控制方法包括:获取初始化配置参数和各个功率放大器的标识信息,根据所述标识信息,通过所述配置参数分别对所述各个功率放大器进行初始化操作,得到所述各个功率放大器对应的频率范围;当获取到音频数据时,将所述音频数据发送给所述各个功率放大器,以供所述各个功率放大器接收所述音频数据,根据所对应的频率范围对所述音频数据进行数模转换,并将经过数模转换后的音频数据输出至对应的音箱中。
- 如权利要求1所述的音响控制方法,其特征在于,所述音响包括3个功率放大器,分别为高频功率放大器、中频功率放大器和低频功率放大器,所述高频功率放大器与左声道设备和右声道设备连接,所述中频功率放大器与左声道设备和右声道设备连接,所述低频功率放大器与低音音箱连接。
- 如权利要求2所述的音响控制方法,其特征在于,所述获取初始化配置参数和各个功率放大器的标识信息,根据所述标识信息,通过所述配置参数分别对所述各个功率放大器进行初始化操作,得到所述各个功率放大器对应的频率范围的步骤包括:获取初始化配置参数和高频功率放大器的标识信息,中频功率放大器的标识信息和低频功率放大器的标识信息,根据所述低频功率放大器的标识信息,通过所述配置参数对所述低频功率放大器进行初始化操作,得到所述低功率放大器对应的频率范围;当得到所述低功率放大器对应的频率范围后,根据所述中频功率放大器的标识信息,通过所述配置参数对所述中频功率放大器进行初始化操作,得到所述中功率放大器对应的频率范围;当得到所述中功率放大器对应的频率范围后,根据所述高频功率放大器的标识信息,通过所述配置参数对所述高频功率放大器进行初始化操作,得到所述高功率放大器对应的频率范围。
- 如权利要求1所述的音响控制方法,其特征在于,所述当获取到音频数据时,将所述音频数据发送给所述各个功率放大器,以供所述各个功率放大器接收所述音频数据,根据所对应的频率范围对所述音频数据进行数模转换,并将经过数模转换后的音频数据输出至对应的音箱中的步骤之后,还包括:侦测是否存在音量控制指令;若存在音量控制指令,则分别提取所述各个功率放大器对应的音量数据;根据所述音量数据和所述音量控制指令分别为所述各个功率放大器配置音量控制数据,并将所述音量控制数据发送给所述各个功率放大器。
- 如权利要求4所述的音响控制方法,其特征在于,所述判断是否存在音量控制指令的步骤之后,还包括:若不存在音量控制指令,则执行步骤:侦测是否存在音量控制指令。
- 如权利要求2所述的音响控制方法,其特征在于,所述当获取到音频数据时,将所述音频数据发送给所述各个功率放大器,以供所述各个功率放大器接收所述音频数据,根据所对应的频率范围对所述音频数据进行数模转换,并将经过数模转换后的音频数据输出至对应的音箱中的步骤之后,还包括:侦测是否存在音量控制指令;若存在音量控制指令,则分别提取所述各个功率放大器对应的音量数据;根据所述音量数据和所述音量控制指令分别为所述各个功率放大器配置音量控制数据,并将所述音量控制数据发送给所述各个功率放大器。
- 如权利要求6所述的音响控制方法,其特征在于,所述判断是否存在音量控制指令的步骤之后,还包括:若不存在音量控制指令,则执行步骤:侦测是否存在音量控制指令。
- 如权利要求3所述的音响控制方法,其特征在于,所述当获取到音频数据时,将所述音频数据发送给所述各个功率放大器,以供所述各个功率放大器接收所述音频数据,根据所对应的频率范围对所述音频数据进行数模转换,并将经过数模转换后的音频数据输出至对应的音箱中的步骤之后,还包括:侦测是否存在音量控制指令;若存在音量控制指令,则分别提取所述各个功率放大器对应的音量数据;根据所述音量数据和所述音量控制指令分别为所述各个功率放大器配置音量控制数据,并将所述音量控制数据发送给所述各个功率放大器。
- 如权利要求8所述的音响控制方法,其特征在于,所述判断是否存在音量控制指令的步骤之后,还包括:若不存在音量控制指令,则执行步骤:侦测是否存在音量控制指令。
- 一种音响控制装置,其特征在于,所述音响包括至少两个功率放大器所述音响控制装置包括:初始化模块,用于获取初始化配置参数和各个功率放大器的标识信息,根据所述标识信息,通过所述配置参数分别对所述各个功率放大器进行初始化操作,得到所述各个功率放大器对应的频率范围;发送模块,用于当获取到音频数据时,将所述音频数据发送给所述各个功率放大器,以供所述各个功率放大器接收所述音频数据,根据所对应的频率范围对所述音频数据进行数模转换,并将经过数模转换后的音频数据输出至对应的音箱中。
- 如权利要求10所述的音响控制装置,其特征在于,所述音响包括3个功率放大器,分别为高频功率放大器、中频功率放大器和低频功率放大器,所述高频功率放大器与左声道设备和右声道设备连接,所述中频功率放大器与左声道设备和右声道设备连接,所述低频功率放大器与低音音箱连接。
- 如权利要求11所述的音响控制装置,其特征在于,所述初始化模块包括:第一初始化单元,用于获取初始化配置参数和高频功率放大器的标识信息,中频功率放大器的标识信息和低频功率放大器的标识信息,根据所述低频功率放大器的标识信息,通过所述配置参数对所述低频功率放大器进行初始化操作,得到所述低功率放大器对应的频率范围;第二初始化单元,用于当得到所述低功率放大器对应的频率范围后,根据所述中频功率放大器的标识信息,通过所述配置参数对所述中频功率放大器进行初始化操作,得到所述中功率放大器对应的频率范围;第三初始化单元,用于当得到所述中功率放大器对应的频率范围后,根据所述高频功率放大器的标识信息,通过所述配置参数对所述高频功率放大器进行初始化操作,得到所述高功率放大器对应的频率范围。
- 如权利要求10所述的音响控制装置,其特征在于,所述音响控制装置还包括:侦测模块,用于侦测是否存在音量控制指令;提取模块,用于若存在音量控制指令,则分别提取所述各个功率放大器对应的音量数据;配置模块,用于根据所述音量数据和所述音量控制指令分别为所述各个功率放大器配置音量控制数据,并将所述音量控制数据发送给所述各个功率放大器。
- 如权利要求13所述的音响控制装置,其特征在于,所述音响控制装置还包括处理模块,用于若不存在音量控制指令,则执行步骤:侦测是否存在音量控制指令。
- 如权利要求11所述的音响控制装置,其特征在于,所述音响控制装置还包括:侦测模块,用于侦测是否存在音量控制指令;提取模块,用于若存在音量控制指令,则分别提取所述各个功率放大器对应的音量数据;配置模块,用于根据所述音量数据和所述音量控制指令分别为所述各个功率放大器配置音量控制数据,并将所述音量控制数据发送给所述各个功率放大器。
- 如权利要求15所述的音响控制装置,其特征在于,所述音响控制装置还包括处理模块,用于若不存在音量控制指令,则执行步骤:侦测是否存在音量控制指令。
- 如权利要求12所述的音响控制装置,其特征在于,所述音响控制装置还包括:侦测模块,用于侦测是否存在音量控制指令;提取模块,用于若存在音量控制指令,则分别提取所述各个功率放大器对应的音量数据;配置模块,用于根据所述音量数据和所述音量控制指令分别为所述各个功率放大器配置音量控制数据,并将所述音量控制数据发送给所述各个功率放大器。
- 如权利要求17所述的音响控制装置,其特征在于,所述音响控制装置还包括处理模块,用于若不存在音量控制指令,则执行步骤:侦测是否存在音量控制指令。
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| AU2016310329A AU2016310329B2 (en) | 2015-11-18 | 2016-05-24 | Methods and apparatuses for controlling an audio system |
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| CN105338448B (zh) * | 2015-11-18 | 2018-07-31 | 深圳创维-Rgb电子有限公司 | 音响控制方法和装置 |
| CN106060708B (zh) * | 2016-05-30 | 2019-10-08 | 努比亚技术有限公司 | 播放音频的终端及方法 |
| CN107864432A (zh) * | 2017-10-25 | 2018-03-30 | 努比亚技术有限公司 | 蓝牙音箱连接管理方法、终端及计算机可读存储介质 |
| CN108391196B (zh) * | 2018-03-19 | 2021-05-07 | 深圳市冠旭电子股份有限公司 | 一种音频信号处理装置及音箱 |
| CN113076144A (zh) * | 2021-04-23 | 2021-07-06 | 深圳创维-Rgb电子有限公司 | 功放适配方法、终端设备、存储介质及计算机程序产品 |
| CN116126407A (zh) * | 2023-02-15 | 2023-05-16 | 深圳市灰度科技有限公司 | 一种更改设备喇叭输出功率的方法、装置、主板和介质 |
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| CN102456350A (zh) * | 2010-10-20 | 2012-05-16 | 雅马哈株式会社 | 声音信号处理设备 |
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| CN101212844B (zh) * | 2006-12-25 | 2011-12-21 | 上海乐金广电电子有限公司 | 普及型数码交叉网络音响系统 |
| JP2008299082A (ja) * | 2007-05-31 | 2008-12-11 | Kawai Musical Instr Mfg Co Ltd | 響板付き電子鍵盤楽器 |
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| CN103702047A (zh) * | 2013-12-13 | 2014-04-02 | 乐视致新电子科技(天津)有限公司 | 一种音频转换装置以及电视系统 |
| CN104125527A (zh) * | 2014-08-01 | 2014-10-29 | 青岛歌尔声学科技有限公司 | 一种多耳机音量控制电路及控制方法 |
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| CN2471044Y (zh) * | 2001-03-19 | 2002-01-09 | 婕诚实业有限公司 | 扬声器 |
| CN102456350A (zh) * | 2010-10-20 | 2012-05-16 | 雅马哈株式会社 | 声音信号处理设备 |
| CN202197394U (zh) * | 2011-06-11 | 2012-04-18 | 斯贝克电子(嘉善)有限公司 | 全频音响 |
| US20140202318A1 (en) * | 2013-01-22 | 2014-07-24 | Yamaha Corporation | Soundboard acoustic transducer |
| CN104994459A (zh) * | 2015-06-17 | 2015-10-21 | Tcl海外电子(惠州)有限公司 | 终端数字功放配置方法及装置 |
| CN105338448A (zh) * | 2015-11-18 | 2016-02-17 | 深圳创维-Rgb电子有限公司 | 音响控制方法和装置 |
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| US20170230773A1 (en) | 2017-08-10 |
| US10070240B2 (en) | 2018-09-04 |
| AU2016310329A1 (en) | 2017-06-01 |
| CN105338448A (zh) | 2016-02-17 |
| CN105338448B (zh) | 2018-07-31 |
| AU2016310329B2 (en) | 2019-10-17 |
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