I always use this Record Converter. It surtpops the mutual conversion between nearly all record/audio formats, and HD videos.Input Formats: MPG, MPEG, MPEG2, VOB, MP4, M4V, RM, RMVB, WMV, ASF, TS, MKV, AVI, 3GP, FLV, MPV, MOD, TOD, MP3, MP2, AAC, AC3, WAV, MID, MIDI, WMA, M4A, RA, RAM .Productivity Formats: MP4, H.264, AVI, MP3, WMV, WMA, FLV, MKV, MPEG-1, MPEG-2, 3GP, 3GPP, VOB, DivX, Mov, RM, RMVB, M4A, AAC, WAV, OGG, RA.It also can set record effect, set Deinterlacing, trim your record part, crop the play region, merge into one file, customize productivity settings.