对未压缩视频不能使用可变比特率编码。
You cannot use variable bit rate encoding with uncompressed video.
可变比特率（VBR）和恒定比特率（CBR）。
比特率可以近似不变以支持恒定比特率业务或者高度变化以支持可变比特率业务。
This bit rate can be approximately constant to support constant bit rate traffic or it can be highly variable to support variable bit-rate traffic.
仿真实验表明，所提出的算法能够准确地对实时可变比特率视频流量进行预测，有效地降低排队时延，减小队列长度并提高带宽利用率。
The simulation results show that this algorithm can significantly improve the quality-of-service (QoS) performances in terms of low delay, small buffer and high utilization.
它的基本组成部分是一个采用异步转移模式(atm)交换的能实现固定比特率(CBR)和可变比特率(VBR)的端至端连接的通讯网。
Its basic component is a terminal-to-terminal connected communicating network, which use Asynchronous Transfer Model (ATM) and can realize constant bit rat (CBR) and variable bit rat (VBR).
ABR则是每个帧都有一个可变的比特率，但是其平均比特率是恒定的。
ABR has a variable bitrate for each frame, but its average bitrate is a constant.
本次系统实现了基于AMBE2000的低速率语音通信，该芯片采用改进的多带激励(MBE)算法，能实现可变速率低比特率、高语音音质的语音压缩编码。
This system realized a voice communication system based on the AMBE2000, this chip USES the MBE algorithm to obtain low changeable communication rate, and high speech quality.
本次系统实现了基于AMBE2000的低速率语音通信，该芯片采用改进的多带激励(MBE)算法，能实现可变速率低比特率、高语音音质的语音压缩编码。
This system realized a voice communication system based on the AMBE2000, this chip USES the MBE algorithm to obtain low changeable communication rate, and high speech quality.
应用推荐