阅读说明：本技术 音频信号处理方法、相关装置及音响设备、存储介质 (Audio signal processing method, related device, acoustic equipment and storage medium ) 是由 林浩 王文涛 于 2020-01-07 设计创作，主要内容包括：一种音频信号处理方法、装置及控制装置、音响设备、计算机存储介质,方法应用于音频信号处理装置,音频信号处理装置包括模拟音频信号处理组,方法包括：获取音频信号处理装置中的音频信号的幅值(S201)；获取音频播放组件的目标功率(S202)；根据获取到的幅值和目标功率,对模拟音频信号处理组件进行调节,以使从音频信号处理装置输出至音频播放组件的输出功率与目标功率之间满足预设条件(S203)。该方法和装置可以较好地利用音频播放组件的性能,并且保护音频播放组件不受损坏。(An audio signal processing method, an audio signal processing device, a control device, sound equipment and a computer storage medium are provided, the method is applied to the audio signal processing device, the audio signal processing device comprises an analog audio signal processing group, and the method comprises the following steps: acquiring the amplitude of an audio signal in an audio signal processing device (S201); acquiring a target power of an audio playing component (S202); and adjusting the analog audio signal processing component according to the obtained amplitude and the target power, so that the output power output from the audio signal processing device to the audio playing component and the target power meet the preset condition (S203). The method and the device can better utilize the performance of the audio playing component and protect the audio playing component from being damaged.)

An audio signal processing method applied to an audio signal processing apparatus, wherein the audio signal processing apparatus includes an analog audio signal processing component, the method comprising:

acquiring the amplitude of an audio signal in the audio signal processing device;

acquiring target power of an audio playing component;

and adjusting the analog audio signal processing assembly according to the obtained amplitude and the target power, so that the output power output from the analog audio signal processing assembly to the audio playing device and the target power meet preset conditions.

The method of claim 1, wherein the analog audio signal processing component of the audio signal processing apparatus comprises: a digital-to-analog converter; the target parameter comprises a voltage parameter of the digital-to-analog converter;

the adjusting the analog audio signal processing component according to the obtained amplitude and the obtained target power includes:

adjusting the voltage parameter of the digital-to-analog converter according to the obtained amplitude and the target power;

after the digital-to-analog converter processes the same audio signal under different voltage parameters, the voltages of the analog signals which are correspondingly output are different.

The method of claim 1 or 2, wherein the analog audio signal processing component of the audio signal processing apparatus comprises: a power amplifier; the target parameter comprises a gain parameter of the power amplifier;

the adjusting the analog audio signal processing component according to the obtained amplitude and the obtained target power includes:

and adjusting the gain parameter of the power amplifier according to the obtained amplitude and the target power.

A method according to any one of claims 1-3, wherein the analog audio signal processing component of the audio signal processing apparatus comprises: a gain control and dynamic range compression module that adjusts the analog audio signal processing component based on the obtained amplitude and the target power, comprising:

and adjusting the gain parameter of the gain control and dynamic range compression module according to the obtained amplitude and the target power.

The method of any one of claims 1-4, wherein the satisfaction of the preset condition between the output power from the analog audio signal processing component to the audio playback component and the target power is: based on the adjusted parameters, the output power output from the analog audio signal processing component to the audio playing component is less than or equal to the target power.

The method of any one of claims 1-4, wherein the satisfaction of the preset condition between the output power from the analog audio signal processing component to the audio playback component and the target power is: based on the adjusted parameters, the difference between the output power output from the analog audio signal processing component to the audio playing component and the target power is smaller than a preset difference threshold.

The method of any of claims 1-6, wherein the target power is a rated power of the audio playback component.

The method according to any of claims 1-6, wherein the target power is set according to a current playing scenario and/or user operation.

The method of any of claims 1-8, wherein said adjusting the analog audio signal processing component based on the obtained amplitude and the target power comprises:

and adjusting the target parameters of the analog audio signal processing component according to the acquired amplitude and the target power and the corresponding relation between the input amplitude of the input signal and the output amplitude of the output signal indicated by the adjustment scheme.

The method of claim 9, wherein the adjustment scheme comprises: the amplitude of the audio signal with the amplitude within a first input amplitude range, and the amplitude of the output signal output by the analog audio signal processing component after parameter adjustment is within a first output amplitude range; and the amplitude of the audio signal with the amplitude within the second input amplitude range is within the second output amplitude range after the amplitude of the output signal output by the analog audio signal processing component is adjusted by the parameters.

The method of claim 10, wherein a difference between a maximum magnitude of the first output magnitude range and a minimum magnitude of the second output magnitude range is equal to a preset difference threshold; alternatively, the difference between the maximum amplitude of the first output amplitude range and the minimum amplitude of the second output amplitude range is within a difference threshold range.

A method according to claim 10 or 11, wherein the first range of input amplitudes is determined from noise signal amplitudes, the smallest amplitude within the first range of input amplitudes being greater than the noise signal amplitude.

The method of claim 9, wherein the adjustment scheme comprises: the amplitude of the audio signal with the amplitude within the third input amplitude range and the amplitude of the output signal output by the analog audio signal processing component after parameter adjustment are the first amplitude;

and the amplitude of the audio signal with the amplitude within the fourth input amplitude range is the second amplitude of the output signal output by the analog audio signal processing component after parameter adjustment.

The method of claim 13, wherein the audio signal having an amplitude in a fifth input amplitude range, the amplitude of the output signal output by the parameter adjusted analog audio signal processing component being in a third output amplitude range;

and the difference value between the first amplitude value and the second amplitude value is equal to a preset difference value threshold, the minimum value of the third output amplitude value range is the first amplitude value, and the maximum value of the third output amplitude value range is the second amplitude value.

A method according to claim 13 or 14, wherein the minimum value of the third input amplitude range is determined from the noise signal amplitude, the minimum value of the third input amplitude range being greater than the noise signal amplitude.

The method according to any one of claims 1 to 15, wherein the obtaining the amplitude of the audio signal in the audio signal processing apparatus comprises:

and acquiring the amplitude of the audio signal input into the analog audio signal processing assembly or the amplitude of the audio signal output by a target component in the analog audio signal processing assembly.

A control apparatus for controlling an audio signal processing apparatus, wherein the audio signal processing apparatus includes an analog audio signal processing component, the control apparatus comprising: a storage device and a processor;

program instructions are stored in the storage device;

the processor calls the program instruction and is used for acquiring the amplitude of the audio signal in the audio signal processing device; acquiring target power of an audio playing component; and adjusting the analog audio signal processing assembly according to the obtained amplitude and the target power, so that the output power output from the analog audio signal processing assembly to the audio playing assembly and the target power meet preset conditions.

The control device of claim 16, wherein the analog audio signal processing component of the audio signal processing device comprises: a digital-to-analog converter; the target parameter comprises a voltage parameter of the digital-to-analog converter;

the processor is used for adjusting the voltage parameter of the digital-to-analog converter according to the obtained amplitude value and the target power; after the digital-to-analog converter processes the same audio signal under different voltage parameters, the voltages of the analog signals which are correspondingly output are different.

The control device according to claim 17 or 18, wherein the analog audio signal processing component of the audio signal processing device comprises: a power amplifier; the target parameter comprises a gain parameter of the power amplifier;

and the processor is used for adjusting the gain parameter of the power amplifier according to the obtained amplitude and the target power.

A control device according to any one of claims 17 to 19, wherein the analogue audio signal processing components of the audio signal processing device comprise: and the processor is used for adjusting gain parameters of the gain control and dynamic range compression module according to the obtained amplitude and the target power.

The control apparatus according to any one of claims 17 to 20, wherein the satisfaction of the preset condition between the output power output from the analog audio signal processing component to the audio playing component and the target power is: based on the adjusted parameters, the output power output from the analog audio signal processing component to the audio playing component is less than or equal to the target power.

The control apparatus according to any one of claims 17 to 20, wherein the satisfaction of the preset condition between the output power output from the analog audio signal processing component to the audio playing component and the target power is: based on the adjusted parameters, the difference between the output power output from the analog audio signal processing component to the audio playing component and the target power is smaller than a preset difference threshold.

The control device of any of claims 17-22, wherein the target power is a power rating of the audio playback component.

The control device according to any of claims 17-22, wherein the target power is set according to a current playing scene and/or a user operation.

The control device according to any one of claims 17 to 24, wherein the processor is configured to adjust the target parameter of the analog audio signal processing component according to the correspondence between the input amplitude of the input signal and the output amplitude of the output signal indicated by the adjustment scheme, based on the obtained amplitude and the target power.

The control apparatus of claim 25, wherein the adjustment scheme comprises: the amplitude of the audio signal with the amplitude within a first input amplitude range, and the amplitude of the output signal output by the analog audio signal processing component after parameter adjustment is within a first output amplitude range; and the amplitude of the audio signal with the amplitude within the second input amplitude range is within the second output amplitude range after the amplitude of the output signal output by the analog audio signal processing component is adjusted by the parameters.

The control apparatus of claim 26, wherein a difference between a maximum magnitude of the first output magnitude range and a minimum magnitude of the second output magnitude range is equal to a preset difference threshold; alternatively, the difference between the maximum amplitude of the first output amplitude range and the minimum value of the second output amplitude range is within a difference threshold range.

A control apparatus according to claim 26 or 27 wherein the first range of input amplitudes is determined from noise signal amplitudes, the minimum amplitude within the first range of input amplitudes being greater than the noise signal amplitude.

The control apparatus of claim 25, wherein the adjustment scheme comprises: the amplitude of the audio signal with the amplitude within the third input amplitude range and the amplitude of the output signal output by the analog audio signal processing component after parameter adjustment are the first amplitude; and the amplitude of the audio signal with the amplitude within the fourth input amplitude range is the second amplitude of the output signal output by the analog audio signal processing component after parameter adjustment.

The control apparatus of claim 29 wherein the audio signal having an amplitude within a fifth input amplitude range, the amplitude of the output signal output by the parameter adjusted analog audio signal processing component being within a third output amplitude range; and the difference value between the first amplitude value and the second amplitude value is equal to a preset difference value threshold, the minimum value of the third output amplitude value range is the first amplitude value, and the maximum value of the third output amplitude value range is the second amplitude value.

A control apparatus according to claim 29 or 30, wherein the minimum value of the third input amplitude range is determined from the noise signal amplitude, the minimum value of the third input amplitude range being greater than the noise signal amplitude.

The apparatus of any of claims 17-31, the processor configured to obtain an amplitude of an audio signal input to the analog audio signal processing component or an amplitude of an audio signal output by a target component in the analog audio signal processing component.

An audio device, comprising: the audio signal processing device, the audio playing component and the control device;

the control device is connected with the audio playing component and the audio signal processing device;

the control device is as claimed in any one of claims 17 to 32.

The acoustic apparatus of claim 33, wherein the audio signal processing means comprises: a digital-to-analog converter, and/or a power amplifier.

Acoustic apparatus according to claim 33 or 34, wherein said audio signal processing means further comprises: a gain control and dynamic range compression module.

A computer-readable storage medium, in which program instructions are stored, which program instructions, when executed by a computer, implement the audio signal processing method of any one of claims 1 to 16.