References of iPhone Ringtone Maker

• Supported Input Formats:

  Audio: FLAC, WAV, WMA, MP3, MP2, AAC, AC3, AIFF, APE, CAF, MPC, QCP, OGG, M4A, M4B, AUD, MKA, AIFC, RA, RAM, AU, AIF, CUE
  General Video: TS, MTS, M2TS, MXF, TRP, TP, MP4, M4V, QT, MOV, MPG, MPEG, MPEG2, MPEG4, MJPG, MJPEG, AVI, 3GP, 3G2, FLV, MOD, TOD, RM, RMVB, WMV, ASF, MKV, SWF, F4V, VOB, DAT, DV, DIF, OGM, WTV, DVR-MS, Bink video, WebM
  HD Video: MTS, TS, M2TS, TP, TRP, HD MPG, HD MPEG, HD MPEG2, HD MPEG4, HD MP4, HD WMV, QuickTime HD MOV

• Supported Output Formats:

  M4R