SoundConverter 

com.dekorte.soundconverter

Publisher Description:
Parallel batch audio file converter supporting over 100 formats. Up to 16x faster than serial converters.
Also supports many ringtones formats. Just set the options and drag in files or folders to convert.

Supported formats include:

input

4xm, 8svx, aac, ac3, aif, aifc, aiff, al, amr, ape, asf, au, aud, auto, avi, avr, bics, c, caf, cdr, cvs, dat, dv, fap, ffm, flac, flsh, flv, gsm, h263, hcom, ircam, ksf, l, la, lu, m4a, m4b, m4p, m4v, mat, mat4, mat5, maud, mka, mkv, mmf, mov, mp1, mp2, mp3, mp4, mpc, mpc8, mpeg, mpeg1, mpg, mpg2, mpg4, next, nist, nul, nut, nvf, ogg, paf, pcm, pls, prc, pvf, r, ra, raw, rawNVF, rm, sb, scm, sd2, sd2f, sf, sf2, sffd, shn, siff, sl, smp, snd, sndt, sol, son, sph, spx, svx, sw, tta, txw, ub, ul, uw, vb, vdu, vms, voc, vorbis, vox, vqa, w64, wav, wma, wv, wve, xi

output

3g2, 8svx, aac, ac3, ac3 (fix frames), aif, aifc, aiff, al, asf, au, avm2, avr, bics, caf, cdr, crc, cvs, dat, dsp, dv, fap, ffm, flac, flv, gsm, h263, h264, hcom, ircam, la, lu, m4a, m4b, m4r, m4v, mat, mat4, mat5, maud, mmf, mot, mov, mp3, mp4, mpeg, mpegts, mpg, mpg2, mpg4, next, nist, nut, ogg, paf, pdb, prc, psp, pvf, raw, rawNVF, rm, roq, rtp, s16be, s16le, s8, samsung1, samsung2, sb, sd2, seo, sf, shn, sl, smp, snd, sndt, sph, spx, svcd, svx, sw, swf, txw, u16be, u16le, u8, ub, ul, uw, vcd, vms, vob, voc, vorbis, vox, w64, wav, wv, wve, xi

ringtone formats

3210, bmp, emelody, emy, ems, ico, icon, imelody, imy, kws, midi, mid, morse, nol, ngg, nokia, sckl, rtttl, rtx, siemens

SoundConverter doesn't convert DRM protected files.

More from Steve Dekorte:
Shredder, CamGrabber, Crypt, WebGrazer, MovieConverter, PostCard, Crypt2, Crypt3 .