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Method and device for audio processing of conference system

An audio processing and conference system technology, applied in the field of communication, can solve the problems of audio code stream discarding and non-decoding, etc., to reduce resource consumption, avoid discarding, and improve the effect of audio processing

Active Publication Date: 2017-10-20
SUZHOU KEDA TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is that in the prior art, it is easy to discard and not decode the audio stream sent by a terminal containing human voice but with relatively low volume, so as to provide an audio processing method and device for a conference system

Method used

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  • Method and device for audio processing of conference system
  • Method and device for audio processing of conference system
  • Method and device for audio processing of conference system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] This embodiment provides an audio processing method for a conference system, which is applied to an audio processing device on a media platform. The flow chart is as follows figure 2 shown, including the following steps:

[0074] Step S11, receiving the audio code stream sent by the terminal side, each audio frame of the audio code stream carries corresponding audio information; wherein, the audio information can be attribute information of the audio code stream encapsulated in the audio frame, such as energy value , effective voice state value, and so on.

[0075] Step S12, analyzing the audio information corresponding to the current audio frame to obtain an analysis result.

[0076] In this embodiment, the audio information on the header of the current audio frame is extracted by analyzing the audio information carried in the current audio frame.

[0077] Step S13, judging whether there is valid voice information in the analysis result, if so, proceed to step S14, ...

Embodiment 2

[0084] This embodiment provides an audio processing method for a conference system, which is applied to an audio processing device on a media platform. The flow chart is as follows image 3 shown, including the following steps:

[0085] Step S21, receiving the audio code stream sent by the terminal side, and each audio frame of the audio code stream carries corresponding audio information. It is the same as step S11 in Embodiment 1, and will not be repeated here.

[0086] Step S22, analyzing the audio information corresponding to the current audio frame to obtain an analysis result. It is the same as step S12 in Embodiment 1, and will not be repeated here.

[0087] Step S23, judging whether there is valid voice information in the analysis result, if so, go to step S24, otherwise go to step S25.

[0088] Step S24, decoding the current audio frame. It is the same as step S14 in Embodiment 1, and will not be repeated here.

[0089] Step S25, acquiring an energy value used to r...

Embodiment 3

[0095] This embodiment provides an audio processing method for a conference system, which is applied to an audio processing device on a media platform. The flow chart is as follows Figure 4 shown, including the following steps:

[0096] Step S31, receiving the audio code stream sent by the terminal side, and each audio frame of the audio code stream carries corresponding audio information. It is the same as step S21 in Embodiment 2, and will not be repeated here.

[0097] Step S32, analyzing the audio information corresponding to the current audio frame to obtain an analysis result. It is the same as step S22 in Embodiment 2, and will not be repeated here.

[0098] Step S33, judging whether there is valid voice information in the analysis result, if so, go to step S34, otherwise go to step S35. It is the same as step S23 in Embodiment 2, and will not be repeated here.

[0099] Step S34, decoding the current audio frame. It is the same as step S24 in Embodiment 2, and wil...

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Abstract

The invention discloses a method and a device for audio processing of a conference system. The method comprises the following steps of receiving audio code streams sent by a terminal side, wherein each audio frame of the audio code streams carries corresponding audio information; analyzing the audio information corresponding to the current audio frame to obtain an analysis result; judging whether an effective voice message exists in the analysis result, wherein the effective voice message is used for representing an audio frequency emitted by speaking of a participator; and decoding the current audio frame when the effective voice message exists in the analysis result. Through judging whether the effective voice message, namely voice, exists in the audio code streams, all speaking information of the participators can be decoded, and the complete decoding of the audio code streams sent by the terminal side can be avoided, so that the resource consumption of a media processing unit is reduced; and the discard of the audio code streams having the smaller volume and belonging to the personal voice can be avoided, so that the audio processing effect of the conference system is improved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to an audio processing method and device for a conference system. Background technique [0002] Today, as information technology is more and more developed, video conferencing systems (including multi-person video conversations such as instant messaging such as QQ and MSN) are becoming more and more important. Among them, sound plays a pivotal role as a component of the video system. [0003] At present, most conference systems send the audio data of all participating terminals to a media platform, that is, a Media Process Unit (MPU for short), which performs decoding, mixing, and encoding in a unified manner. [0004] In the case of a small number of terminals, this design pattern has better working performance. However, as the conference system becomes larger and more terminals are connected, more and more audio data to be decoded flow into the central media proces...

Claims

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Application Information

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IPC IPC(8): H04L12/18H04N7/14H04N7/15G10L19/00
CPCG10L19/00H04L12/18H04N7/147H04N7/15
Inventor 尚德建胡小鹏陈卫东
Owner SUZHOU KEDA TECH
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