我所设计的多媒体音频播放器AudioPlayer用MCI接口和RealPlayer G2 ActiveX插件实现音频的播放，能够播放MediaPlayer支持的格式和RealPlayer支持的格式(包括wav, mp3, wma, rm, wmv等)，但必须安装RealPlayer播放器。AudioPlayer有播放、暂停、停止、打开文件、播放上一首、播放下一首、循环或是不循环播放、顺序或是随机播放等功能；可以静音、改变音量大小；可以拉动播放；能够增加、删除、选择播放文件；能够保存和载入播

自己编的双门限静音检测c代码，在信噪比不算太低的情况下 还是很准确的 -C code of their own series of dual threshold silence detection, signal to noise ratio is not too low or very accurate

Values to use for the ALSA start, stop and silence thresholds. Setting any one of these values to 0 will cause the default tinyalsa values to be used instead. Tinyalsa defaults are as follows.

Values to use for the ALSA start, stop and silence thresholds. Setting any one of these values to 0 will cause the default tinyalsa values to be used instead. Tinyalsa defaults are as follows.

Annotate a variable indicating it s ok if the variable is not used. ( Typically used to silence a compiler warning when the assignment for Linux v2.13.6.