The technical maturity of audio and video compression, real-time data transfer and network makes it possible to realize the multi-media correspondence on the IP network.
音视频压缩技术、实时数据传输及数据网络技术的成熟，使得在IP网络上实现多媒体通信成为可能。
The video compressing technology, the audio compressing technology, the stream media real-time transfer protocol and the technology about wireless network are also discussed in detail.
包括视频压缩协议、音频压缩协议、流媒体实时传输协议以及无线以太网技术。
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