可变比特率

ATM网络中恒定比特率和可变比特率语音通信

CBR and VBR Speech Communications in ATM Networks

本文首先介绍了可变比特率视频流量的特点，国内外流量预测的研究现状，对三种主要模型即短记忆模型、长记忆模型和神经网络模型进行了性能比较。

Firstly , the characteristics of VBR video traffic and the status of researching on traffic prediction are introduced . Three kinds of prediction models which are short-memory models , long-memory models and neural network models , are discussed .

一种适于ATM网的新型话音可变比特率编码

A New Method of Variable bit Rate Speech-Coding in ATM

ATM网中可变比特率小波视频编码和码率控制

VBR wavelet video coding and rate control in ATM Networks

关于ATM网络承载可变比特率MPEG视频流的研究

Research on VBR MPEG Video Flow Access to ATM Networks

可变比特率（VBR）和恒定比特率（CBR）。

Variable bit rate ( VBR ) and constant bit rate ( CBR ) .

根据MPEG视频编码算法的特性，提出一种改进的ATM网络承载可变比特率MPEG流的方法。

In this paper , we propose an improved method according to the characteristic of MPEG encoding algorithm .

IS-95前向链路可变比特率卷积码编码器的VHDL实现

IS-95 Forward-link Variable Bit Rate Convolutional Coder 's VHDL Design

FGS码流在可变比特率信道上的码率分配

Rate allocation for streaming stored FGS video over variable bit rate channels

在分析MPEG－1标准下的可变比特率（VBR）视频业务特性的基础上，对这类业务提出了一种新模型。

This paper presents a new model based on the analysis of statistical characteristics of VBR MPEG video traffic .

在子网使用DiffServ模型，在骨干网使用可变比特率服务保证QoS。

To guarantee the QoS requirement , the architecture uses DiffServ model in a local network and alterable bit rate ( ABR ) service in a backbone network .

可变比特率（VBR）MPEG视频是一种VBR视频类业务，有着广阔的应用前景，然而这种业务的特性还没有得到透彻地研究。

Variable bit rate ( VBR ) MPEG video is special one of the VBR video traffic types with wide application future .

对DVBOverIP应用来说，如何传送用可变比特率（VBR）压缩的MPEG-2传输流格式的视频是一个重要的问题。

For application of DVB Over IP , one important issue is about how to transmit compressed variable bit rate ( VBR ) MPEG-2 transport stream video .

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 ) .

为在通信网络上有效地传输和控制MPEG可变比特率（VBR）数据流，第一个关键问题就是如何建立它的统计模型。

To achieving the effective transmission and control of the MPEG variable bit rate video services , there are some problem to be conquered , the first one to be faced is how to modeling MPEG VBR video sources statistically .

该协议支持不同类型信息传输，比如恒定比特率（CBR），可变比特率（VBR），可用比特率（ABR），未指定比特率（UBR）。

The proposed protocol is capable of supporting various types of the traffic , such as constant bit rate ( CBR ), variable bit rate ( VBR ), available bit rate ( ABR ), unspecified bit rate ( UBR ) .

对于可变比特率（VBR）令牌桶流量整形问题，示出令牌桶等待队列长度与丢包率的关系曲线，推导出在保证截止期条件下如何确定令牌桶参数的关系式。

On variable-bit-rate ( VBR ) traffic shaping with a token bucket filter ( TBF ), the curve of relation between queue length of TBF and packet loss was developed , and the relations for how to dimension TBF parameters to guarantee the deadline index was derived .

可变比特率MPEG&2ATM接入及其实现

Access of VBR MPEG-2 Streams to ATM Network and Its Implementation

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 .

用于可变比特率视频通信量预测的自适应训练及删剪算法

Adaptive training and pruning algorithm for variable bit rate video traffic prediction

可变比特率视频编码及其业务量特征分析

Variable Bite Rate Video Codec and its Traffic Analysis

而多媒体应用中产生的最主要、最复杂的就是可变比特率视频流量。

Variable-bit-rate ( VBR ) video traffic is one of the primary and most complex traffic generated by multimedia application .

提出一种自适应神经网络模型对可变比特率视频通信量进行非线性自适应预测，并采用基于递归最小方差的自适应学习及删剪算法对抽头延迟神经网络进行训练和结构优化。

An adaptive training and pruning algorithm for variable bit rate ( VBR ) video traffic prediction is proposed in this paper .

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 .

可变比特率编码只能使用一个比特率。从配置文件中删除其他所有比特率，仅保留一个。

You can use only one bit rate for variable bit rate encoding . Remove all but one of the bit rates from your profile .

本文还针对可变比特率业务流的特性提出了一种改进的信道时间分配期的信道时间分配算法。

And according to the statistical property of the variable bit rate ( VBR ) flow , the paper brings forward an improvement of channel time allocation algorithm of CTAP in 802.15.3 MAC protocol .