This policy can make video transmission rate of sender automatically adaptive to the changes of network states and efficiently reduces network congestion.
该方法可以使发送方的视频传输速率自动适应网络状态的变化，并有效减少网络的拥塞。
2
Streaming audio and video implies a more timely transfer of messages from sender to receiver, and the receiver displays the video or plays the audio pretty much as it arrives.
流视频和音频提供了一种更即时的信息传输从发送端到接收端，接收者看视频或者播放语音更好和它接收到。
3
Finally, an example of the sender of audio and video subsystem of a PDA platform illustrated the practicability and effectiveness of the approach.