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Audio processing method and device, and multi-channel system

An audio processing and channel technology, applied in recording signal processing, digital recording/reproduction, data recording, etc., can solve problems such as inability to transmit channels, inability to achieve multiple channel output, poor playback effect, etc. The effect of the playback effect

Active Publication Date: 2021-10-26
HISENSE VISUAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when transmitting and playing a sound source file with multiple channels, due to the limitation of transmission conditions, it is impossible to transmit all the channels in the sound source file to the power amplifier during transmission, resulting in the inability to achieve multiple channels during playback. The output of the sound channel, which leads to problems such as poor playback effect

Method used

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  • Audio processing method and device, and multi-channel system
  • Audio processing method and device, and multi-channel system
  • Audio processing method and device, and multi-channel system

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0081] During specific implementation, in the embodiment of the present invention, after the original audio data is re-encoded according to the preset encoding rules, it is output through at least two first I2S bus interfaces, which may include:

[0082] According to the total number of channels of all original audio data, all first I2S bus interfaces, and the communication rules of each channel of the first I2S bus interface, determine the corresponding target audio data of each channel of each first I2S bus interface; wherein, The data bits of the target audio data are greater than the data bits of the original audio data;

[0083] Output the obtained target audio data through the channel of the corresponding first I2S bus interface.

[0084] During specific implementation, in the embodiment of the present invention, determining the target audio data corresponding to each channel of each first I2S bus interface may include:

[0085] In determining the quantity Q of all raw ...

Embodiment 2

[0129] This embodiment is a modification of some of the implementation manners in the first embodiment. The following only describes the differences between this embodiment and the first embodiment, and the similarities will not be repeated here.

[0130] During specific implementation, in the embodiment of the present invention, determining the target audio data corresponding to each channel of each first I2S bus interface may also include:

[0131] In determining the quantity Q of all raw audio data satisfies the formula: , select among all raw audio data The original audio data is split to generate split audio data; wherein, N is a positive even number, and M represents the total number of channels of all first I2S bus interfaces;

[0132] Will raw audio data and split audio data into one target audio data.

[0133] Combine below Figure 5 to Figure 8 , taking the original audio data as 16 bits and the number of first I2S bus interfaces as 3 as an example, the aud...

Embodiment 3

[0150] This embodiment is a modification of some of the implementation manners in the first embodiment. The following only describes the differences between this embodiment and the first embodiment, and the similarities will not be repeated here.

[0151] During specific implementation, in the embodiment of the present invention, determining the target audio data corresponding to each channel of each first I2S bus interface may also include:

[0152] In determining the quantity Q of all raw audio data satisfies the formula: when, will The original audio data are combined into one target audio data; wherein, N is a positive even number, and M represents the total number of channels of all the first I2S bus interfaces.

[0153] Exemplarily, when the number of the first I2S bus interface is 2, the total number of channels of all the first I2S bus interfaces is 4, then when the number of all original audio data is 8, it can be determined that each target audio data includes 2 ...

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Abstract

The invention discloses an audio processing method and device, and a multi-channel system. By decoding sound source data to obtain original audio data corresponding to each channel, since the total number of channels is greater than the total number of channels of all first I2S bus interfaces, Therefore, after the original audio data is re-encoded according to the preset encoding rules, the original audio data of all channels can be output through at least two first I2S bus interfaces. In this way, the original audio data corresponding to all channels in the sound source file can be transmitted to the multi-channel device, thereby improving the playback effect of the multi-channel device.

Description

technical field [0001] The invention relates to the field of display technology, in particular to an audio processing method and device, and a multi-channel system. Background technique [0002] In order to better achieve the true fullness of the sound effect, multi-channel recording is usually used to record the sound source file. However, when transmitting and playing a sound source file with multiple channels, due to the limitation of transmission conditions, it is impossible to transmit all the channels in the sound source file to the power amplifier during transmission, resulting in the inability to achieve multiple channels during playback. The output of the sound channel, which leads to problems such as poor playback effect. Contents of the invention [0003] The audio processing method and device, and the multi-channel system provided by the embodiments of the present invention are used to improve the playback effect. [0004] An embodiment of the present inventi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11B20/10
CPCG11B20/10018G11B20/10527G11B2020/10592
Inventor 李见黄飞
Owner HISENSE VISUAL TECH CO LTD