从视频中提取音频 Free Video to Mp3 Converter 是一个功能强大的音频工具，可以帮助你从视频中提取音频并输出为MP3格式。它支持绝大部分流行的视频格式，使用起来也很方便

Use Free Video to MP3 Converter to extract audio from video files (*.avi, *mpg, *.mpg, *.mp4, *.m4v, *.mpeg, *.dvr-ms, *.wmv, *.asf, *.mov, *.qt, *.3gp, *.3g2 and *.flv) and save it as MP3. There are 3 pre-configured presets: - High Quality (MP3, 256kbps, 48000Hz, STEREO); - Standard Quality (MP3, 128kbps, 44100Hz, STEREO); - Economy Quality (MP3, 96kbps, 22050Hz, STEREO). It's clearly free. No adware or spyware. It's safe to install and run.