开源的视频工具，里面包含ffmpeg，可以对音频文件进行切割等操作，有实现例子-Open source video tool, which contains ffmpeg, audio files can be cut and other operations, there are examples of implementation
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开源的视频工具 TEST 3GPConverter.rar FFmpeg-SDK-3.2 bin avcodec.dll MPlayer-1.0rc2 AUTHORS.txt FFmpeg-SDK-3.2 MPlayer-1.0rc2
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