All Video to Audio Converter

一款视频与音频转换器 简单而易于使用，支持把AVI, MPG, MPEG, WMV, MP4, ASF, MOV, QT, 3GP, DAT, OGM, RM, RMVB, FLV, MKV 转换成WAV, MP3, WMA, M4A, AMR格式，同时支持批视频文件转换。

All Video to Audio Converter is a simple and easy-to-use tool to extract audio from AVI, MPG, MPEG, VOB, WMV, MP4, M4V, ASF, MOV, QT, 3GP, DAT, OGM, RM, RMVB, FLV, MKV, F4V, MTS, MT2S to WAV, MP3, AC3, M4A, AMR, AAC, WMA, AU, AIFF.