Good Audio Extractor at Mac App Store analyse

Extract audio track from video to audio file or convert audio to another format. ==== feature ==== Support media format: mp3, m4a, m4r, ac3, wma, aiff, caf, dts, au, ra, wav, flac, alac, mts, m2ts,mp4, mpg, mpeg, ts, mov, wmv, xwmv, mkv,avi, wmv, flv, f4v, rm, rmvb, asf, 3gp", 3g2, qt, dat, avi, webm. Support trim duraion. Support output format: mp3, m4a, m4r, ac3, wma, aiff, caf, dts, au, ra, wav, flac, alac. ===How to use==== 1.Drop(add) media to app. 2.setting a.choose output target device, b.choose audio track. c.set trimming start and end time. 3.click start button to convert. 4.set output folder(if not set). 5.waiting