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Audio and video transmission method, device and system

A transmission method, audio and video technology, applied in the field of audio and video transmission, can solve problems such as inability to copy multiple copies of audio and video data, limited encoder performance and bandwidth, etc.

Pending Publication Date: 2022-04-08
BEIJING TRICOLOR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this application scenario, due to the limited performance and bandwidth of the encoder, it is impossible to copy multiple copies of the audio and video data through unicast (point-to-point connection between the client and the server), and send multiple copies of the audio and video data to the multiple decoders

Method used

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  • Audio and video transmission method, device and system
  • Audio and video transmission method, device and system
  • Audio and video transmission method, device and system

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Embodiment Construction

[0057] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making...

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PUM

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Abstract

The invention provides an audio and video transmission method, device and system. The method comprises the following steps: acquiring an audio and video signal to be transmitted; sending the audio and video signals to a decoder; if a forwarding instruction containing an identifier sent by the decoder is received, sending the audio and video signal to a subordinate forwarding decoder corresponding to the identifier according to the forwarding instruction; wherein the decoder pre-stores a mapping relationship between the identifier corresponding to the decoder and the identifier of the subordinate forwarding decoder corresponding to the decoder. According to the invention, the pressure of the converted audio / video signals can be averagely distributed to a plurality of decoders, and the technical effect of balanced forwarding is achieved.

Description

technical field [0001] The present invention relates to the technical field of audio and video transmission, in particular to an audio and video transmission method, device and system. Background technique [0002] In the current field of distributed audio and video transmission, there are application scenarios where audio and video from one encoder is transmitted to multiple decoders. In this application scenario, due to the limited performance and bandwidth of the encoder, it is impossible to copy multiple copies of the audio and video data through unicast (point-to-point connection between the client and the server), and send multiple copies of the audio and video data to the Multiple decoders. At present, multicast is used to realize distributed audio and video transmission. The encoder sends the audio and video to the switch in multicast mode, and the switch distributes the audio and video to multiple decoders. The decoder receives the multicast stream, and then To de...

Claims

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Application Information

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IPC IPC(8): H04N19/44H04N19/42H04L65/80
CPCY02D30/70
Inventor 张亚南王志涛杨继业
Owner BEIJING TRICOLOR TECH
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