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packet-voice
相关语句
  网络话音
     Approximate Analysis of Limited Buffer in Packet-Voice Multiplexer Based on Flow Fluid Model
     基于流体流模型的网络话音复用器有限缓冲的近似分析
短句来源
     Simulation Analysis of Bandwidth Consumed on Finite-scale Packet-voice Multiplexing
     有限规模下网络话音复用带宽的仿真评估
短句来源
     Evaluation on multiplexing bandwidth of finite scale packet-voice
     有限规模下网络话音复用带宽的近似评估
短句来源
     In this paper,we analyze the property of loss in a packet-voice multiplexer with limited buffer based on flow-fluid model.
     本文基于流体流模型分析了网络话音复用器中有限缓冲的丢失特性 .
短句来源
  相似匹配句对
     First Pay Packet
     第一份薪水怎么花(英文)
短句来源
     Coming into Packet Era
     走进分组时代
短句来源
     On the MTU of Voice Packet
     最佳语音包大小研究
短句来源
     T-MPLS Packet Transport Technology
     T-MPLS分组传送技术
短句来源
     Optical Packet-Switching Technology
     光分组交换技术
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The effects of voice packet loss on articulation of Chinese speech in packet voice communications have not yet been published before. Some experimental results of the project are presented in this paper. The experiments were carried out on an experimental Token-Passing Bus Local Area Network. Voice signals encoded using 16 kbit/s CVSD are packetized with silence detection and transfered on this LAN. The voice packet length is 50ms, and the packet just preceding the lost one is repeated as a substitutionin the...

The effects of voice packet loss on articulation of Chinese speech in packet voice communications have not yet been published before. Some experimental results of the project are presented in this paper. The experiments were carried out on an experimental Token-Passing Bus Local Area Network. Voice signals encoded using 16 kbit/s CVSD are packetized with silence detection and transfered on this LAN. The voice packet length is 50ms, and the packet just preceding the lost one is repeated as a substitutionin the receiving end. The most important conclusion obtained is that losing 25% of all packets is tolerablewhile the degradation of articulation of Chinese speech is less than 3%.

分组话音通信中分组丢失对汉语话音质量的影响还未有人研究过。本文给出了在一个令牌总线型话音/数据综合局域网上进行的汉语话音清晰度测试结果。测试结果表明,在收方采用重复丢失前一帧的丢失填补策略下,对于16 kbit/s CVSD编码加静默压缩,以50 ms为话音分组长度的分组话音通信,当分组丢失率达到25%时,汉语话音清晰度的下降不超过3%。

Based on 3~+ Ethernet,a transmission scheme which ensures the real-time voice transmission is presented.A packet voice terminal(PVT)is desi-gned and the 3~+ Ethernet software is partly improved.A practical voice/dataintegrated local area network is implemented.

在3~+以太网的基础上,本文提出了一种保证话音实时传输和兼顾数据传输特性的传输方案,设计了话音处理单元,并对3~+ 以太网软件作了部分的改进,实现了一个实用的话音/数据综合局域网.

This paper discusses the performance of spread spectrum slotted ALOHA of integrated packet voice/data of satellite.On the condition of improved GAUSSIAN MAI(Multiple Access Interfence)and finite user in a certain slot,the formula of system throughput and average delay are obtained. These formula are more accurate than those on the condition of standard GAUSSLAN MAI and infinite user.The simulation results indicat that the protocol performance is superior to ordinary protocol.

本文讨论了卫星分组话音/数据综合的扩频时隙ALOHA的性能,并认为该协议较适合用于卫星分组话音/数据综合的通信网中,给出了在扩频多址干扰为改进型高斯分布和某一时隙用户数有限的前提下,系统吞吐量的近似解析表达式和平均时延表达式,这比通常的标准高斯分布和无限用户的假设更精确,模拟结果说明性能是优越的。

 
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