Voice data coding and decoding method
A codec method and voice data technology, which is applied in the field of Internet telephony, can solve problems such as the difficulty in achieving a balance between packet loss recovery effect and coding efficiency, and achieve good quality, repair network packet loss, and guarantee the effect of packet error recovery rate
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[0020] The basic principle of the invention: A method for high-efficiency FEC encoding of voice data at the channel sending end. This method adds one FEC redundant data to each frame of voice data and sends it through the channel. In this way, the network jitter and delay can be reduced as much as possible under the poor network environment, and the voice data can be recovered with the greatest probability, and the voice quality of the receiving end is improved. The specific method of this method is to perform high-efficiency FEC encoding according to the voice information data and pack the streaming media packets according to the standard format, and then send them through the channel to receive the streaming media packets containing audio data and FEC redundant data from the channel to perform check and error correction.
[0021] In order to explain the technical solutions of the examples of the present invention more clearly, the implementation of the present invention will be ...
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