Swifturn Free Sound Extractor

This free audio extractor enables you to extract audio tracks out of ANY video format you know, AVI, WMV, MP4, ASF, DVR-MS, MS-DVR, MOV, 3GP, 3G2, FLV, SWF, QT, RM, RMVB, MKV, AVS, M2TS, MPG, VOB, DV, M1V, M2V, DAT, AMV, DIVX, M4V, MPE, MPV, OGM and hundreds more. The extracted sound will be saved to MP3 or many other popular sound formats with high output quality. The batch conversion system increases your productivity.