Multiparty conference audio mixing method and device

A multi-party conference and audio mixing technology, applied in video conference systems, two-way work systems, special services for subscribers, etc., can solve problems such as large computational load and CPU load, and reduce the CPU load, computational load and complexity. degree of effect

Active Publication Date: 2016-11-23
VISIONVERA INFORMATION TECH CO LTD
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Problems solved by technology

[0004] Existing sound mixing methods usually use the sampling rate as the mixing standard, that is, calculate the mixing output after the mixing according to the important indicators of the sampling rate; when the number of users participating in the multi-party video conference is large, the mixing corresponding The amount of calculation will be very large, so it will bring a big burden to the CPU

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  • Multiparty conference audio mixing method and device
  • Multiparty conference audio mixing method and device
  • Multiparty conference audio mixing method and device

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Embodiment Construction

[0039] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0040] method embodiment

[0041] refer to figure 1 , which shows a flow chart of the steps of an embodiment of a method for mixing audio in a multi-party conference according to the present invention, which may specifically include:

[0042] Step 101, receiving audio data packets of all participants;

[0043] In the embodiment of the present invention, the multi-party conference may be a multi-party telephone conference or a multi-party video conference; and, the above-mentioned multi-party conference may be realized by using Internet and / or Internet of View technologies. Among them, the Internet of Vision has a special network characteristic, which is a data transmission network implemented by a layer-2 network protocol, and a...

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Abstract

The embodiment of the invention provides a multiparty conference audio mixing method and device. The method concretely comprises the steps that audio data packets of all conference attending parties are received; the packet bodies of the audio data packets are analyzed so that corresponding audio data are obtained, and the packet headers of the audio data packets are analyzed so that volume information of the audio data is obtained; the audio data of all the conference attending parties are screened according to the volume information of the audio data; and audio mixing is performed on the audio data after screening so that the corresponding audio mixing result is obtained. According to the multiparty conference audio mixing method and device, computational burden and complexity of audio mixing can be greatly reduced so that the burden of CPU can be reduced.

Description

technical field [0001] The present invention relates to the technical field of multiparty conferences, in particular to a method and device for mixing audio in multiparty conferences. Background technique [0002] Multi-party video conferencing is based on communication networks such as telecommunication networks and video networks to hold meetings between users at two or more locations and transmit voice and images in real time. Users participating in video conferences can express their opinions through video, observe the other party's image, action, expression, etc. at the same time, and can show real objects, drawings, documents and other real-time video images or display words and drawings written on blackboards and whiteboards. In this way, people who participate in meetings in different locations feel as if they are having a "face-to-face" conversation with each other, and can effectively replace on-site meetings. [0003] In a multi-party video conference, many users...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M3/56H04N7/15
Inventor 杨春晖王艳辉朱道彦马令申
Owner VISIONVERA INFORMATION TECH CO LTD
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