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Elimination method and device of audio beginning sonic boom

A popping sound and audio technology, which is applied in the field of eliminating popping sound at the beginning of audio, can solve the problems of poor user experience for listeners, and achieve the effect of simple popping sound elimination, improving playback quality, and reducing complexity

Active Publication Date: 2015-12-02
TENCENT TECH (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The initial pop is a relatively common distortion phenomenon. The so-called initial pop means that there is a short pulse at the beginning of the music waveform, which sounds like a "click", which will bring a relatively poor sound to the listener. user experience

Method used

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  • Elimination method and device of audio beginning sonic boom
  • Elimination method and device of audio beginning sonic boom
  • Elimination method and device of audio beginning sonic boom

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Embodiment Construction

[0026] In order to make the purpose, technical solution and advantages of the present invention clearer, the following examples are given to further describe the present invention in detail.

[0027] figure 1 It is an exemplary flow chart of a method for eliminating an audio initial pop in an embodiment of the present invention. like figure 1 As shown, the method may include the following steps:

[0028] Step 101 , for the decoded audio data, detect the audio frames within the initial set time period in the time domain to obtain the boom position area.

[0029] In this embodiment, the audio data may be audio data from an audio file, or audio data from an audio-video file.

[0030] In specific implementation, this step can have multiple specific implementation methods, two of which are listed below:

[0031] The first one: In the time domain, for the audio frames within the initial set time period, the short-term energy difference of two adjacent audio frames is calculated ...

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Abstract

The embodiment of the present invention discloses an elimination method and device of an audio beginning sonic boom, wherein the method comprises the steps of detecting an audio frame within a beginning set time quantum in a time domain to obtain a sonic boom position area; carrying out the sonic boom elimination on the audio frame in the sonic boom position area. According o the technical scheme of the embodiment of the present invention, the playing quality of the audio data can be improved, and a processing function of a server system is enhanced.

Description

technical field [0001] The present application relates to the technical field of multimedia processing, and in particular to a method and device for eliminating initial pop in audio. Background technique [0002] With the development of the Internet and multimedia technology, various audio files can be seen everywhere on the Internet, such as musical audio files such as music, songs, and operas, as well as language audio files such as comic sketches, speeches, and training. In addition, there are various audio and video files including audio streams, etc. [0003] In these audio files and audio and video files, due to the complexity of audio generation, processing, transmission, storage and other steps, some music has "distortion" in the audio, such as initial pops, glitches, breakpoints, etc. The initial pop is a relatively common distortion phenomenon. The so-called initial pop means that there is a short pulse at the beginning of the music waveform, which sounds like a "...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L25/78G10L25/51H04R3/04
CPCG10L25/21G10L25/78G10L21/0216G10L21/0272G10L21/0332G10L15/02G10L2025/783
Inventor 孔令城
Owner TENCENT TECH (SHENZHEN) CO LTD
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