Yes, AVI to flv converter has an Extract Audio feature with which you can extract the audio from your video files. After uploading your file, you need to select the file format in which you want your audio, and the audio quality. After selecting the desired output format and audio quality, you can extract the audio.
The file formats available are MP3 and ACC.
The available audio qualities are 48k. 64k, 80k, 96k, 128k, 256k, and 320k.
We also have a feature to remove the audio from the video completely.