目录前言一、命令行1.ffmpeg2.aplay二、代码实现三、知识补充前言 平常读麦克风的场景居多，有时候也需要播放一个声音文件，这里就介绍怎么处理。
We are currently trying to move large amounts of data to a Silverlight 3 client using WCF with PollingDuplex.I have read about the MultiplerMessagesPerPoll in Silverlight 4 and it appears to be quite
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