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。
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。
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。
These two audio form compression technology have different advantages in Microsoft company of media technology. WMA only use for compress audio frequency data. Acoustic fidelity is similar to MP3.
微软公司的这两项音频压缩技术各有优点，WMA是在微软窗口媒体技术中只用于压缩音频资料的技术，音质类似MP3。
These two audio form compression technology have different advantages in Microsoft company of media technology. WMA only use for compress audio frequency data. Acoustic fidelity is similar to MP3.
微软公司的这两项音频压缩技术各有优点，WMA是在微软窗口媒体技术中只用于压缩音频资料的技术，音质类似MP3。
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