SoundConverter is a Cocoa OSX application for converting sound files between different sound formats. It is free for files under 500K and $10 for license. Note that not all wav and wma encodings are supported.

Input formats: 4xm, 8svx, ac3, aif, aifc, aiff, al, au, auto, avi, avr, cdr, cvs, dat, dv, fap, ffm, flac, gsm, h263, h264, hcom, ircam, la, lu, m4v, mat, mat4, mat5, maud, mov, mp2, mp3, mpc, mpeg, mpegts, nist, nul, ogg, paf, prc, pvf, raw, redir, rm, rtp, rtsp, s16be, s16le, s8, sb, scm, sd2, sdp, sf, sffd, shn, sl, smp, snd, sndt, sph, svx, sw, swf, txw, u16be, u16le, u8, ub, ul, uw, vms, voc, vorbis, vox, w64, wav, wma, wve, xi

Output formats: 8svx, ac3, aif, aifc, aiff, al, au, auto, avr, cdr, crc, cvs, dat, dv, fap, ffm, flac, gsm, h263, h264, hcom, ircam, la, lu, m4v, mat, mat4, mat5, maud, mp2, mp3, mpeg, mpegts, nist, nul, ogg, paf, prc, pvf, raw, rm, rtp, s16be, s16le, s8, sb, sf, shn, sl, smp, snd, sndt, sph, svx, sw, swf, txw, u16be, u16le, u8, ub, ul, uw, vcd, vms, vob, voc, vorbis, vox, w64, wav, wve, xi

ringtone formats: 3210, bmp, emelody, emy, imelody, imy, kws, midi, mid, nokia, sckl, rtttl, rtx, siemens, 3210, bmp, dsp, emelody, emy, ems, imelody, imy, kws, midi, mid, mot, nokia, sckl, pdb, rtttl, rtx, samsung1, samsung2, siemens, seo

SoundConverter - Batch sound format conversion. WMA and RM are not officially supported.

Usage: Just set the options and drag in sound files to the app window or onto the app icon. If a folder is dragged in, SoundConverter will recursively descend all subfolders and convert found files.

Notes:
1. Conversion from sample based formats (mp3, wav, etc) to note based formats (midi, ring tones, etc) is not supported.
2. Windows Media and Real Media formats are not officially supported.
3. DRM protected file conversions are not supported

Limitations:

· Free for files under 500K.