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以太网数字广播系统的设计与实现
引用本文:梁贵芹,苟先太,苑雪佳.以太网数字广播系统的设计与实现[J].成都大学学报(自然科学版),2011,30(4):353-355,360.
作者姓名:梁贵芹  苟先太  苑雪佳
作者单位:西南交通大学电气工程学院,四川成都,610031
摘    要:为解决传统广播系统音质不佳,容易受干扰,维护管理复杂,互动性能差和无法指定区域进行广播问题,在VS2008平台下设计了基于以太网的数字广播系统,采用UDP传输方式,将系统服务器采集到的音频数据通过以太网传送到指定广播终端进行播放,同时采用多线程和多缓冲技术来保证系统的实时性和连续性,并分别设计了系统服务器和终端控制界面...

关 键 词:以太网  语音采集  语音播放  多线程  多缓冲  循环队列

Design and Implementation of Digital Broadcasting Systems Based on Ethernet
LIANG Guiqin,GOU Xiantai,YUAN Xuejia.Design and Implementation of Digital Broadcasting Systems Based on Ethernet[J].Journal of Chengdu University (Natural Science),2011,30(4):353-355,360.
Authors:LIANG Guiqin  GOU Xiantai  YUAN Xuejia
Institution:(School of Electrical Engineering,Southwest Jiaotong University,Chengdu 610031,China)
Abstract:To solve the problems that the traditional broadcasting system has poor quality,vulnerable tointerference,complex maintenance management,poor interactive performance and cannot specify the broadcasting terminals,a digital broadcasting system based on Ethernet was designed over the VS2008 platform,which used UDP transmission to transmit the voice data collected by the system server to the specified terminal to broadcast through Ethernet,simultaneously used multithread and multi-buffer technology to ensure the real time and continuity of the system.The controlling GUI of the server and the terminal were designed respectively.The results indicate that the broadcasting system works with clear sound quality,good real time and stable performance.
Keywords:Ethernet  voice acquisition  voice broadcast  multi-threaded  multi-buffer
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