This paper CITS common audio compression technology firstly, then analyzes audio compression technology by a small example of Voice Chat Room.

本文首先列举常用音频压缩技术，然后通过一个小型语音聊天室实例重点分析语音通信的关键技术——音频压缩技术。

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Lossless audio compression technology is a technique that not only preserves the essence of the sound but also restores the precise bit information in that sound.

无损音频压缩技术是一种既可保留音频信号原始音质，又可以准确无误地还原每一个比特音频信息的音频压缩技术。

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Psychoacoustic model is the kernel technology of wideband audio compression.

心理声学模型是宽带音频压缩中的核心技术。

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Already, XM pays IBiquity royalties for its audio compression technology.

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