I would like to introduce you these good converters. Hope they can help you greatly
iPod Video Converter can convert all video like MPG, MPEG, MPEG2, MTS, M2TS, TS, VOB, MP4, M4V, RM, RMVB, WMV, ASF, etc to MP4, H.264/MPEG-4 AVC(.mp4), MOV format for your iPod, iPod touch, iPod nano, iPhone. So, it also acts as iPod touch video converter, iPod nano Video Converter. This wonderful converter also supports converting all the popular audio formats to iPod MP3, AAC, WAV, M4A, AIFF.
M2TS Converter can convert MTS, TS, HD MPG, HD MPEG, HD MP4, HD WMV, QuickTime HD MOV, HD H.264, HD RM and other SD(Standard-Definition) videos to what you need video formats. You also have the ability to take out audio from M2TS, TS, and other videos and audios.
HD Converter can convert HD TS, HD MTS, HD M2TS, HD MPEG, HD WMV, HD MPG, HD MP4, QuickTime HD MOV, HD H.264, HD RM video, etc, and convert video to HD video. This HD Video Converter adds the ability to convert among general videos, like RM, RMVB, WMV, ASF, MKV, AVI, 3GP, 3G2, FLV, SWF, MPV, MOD, TOD, and so on.
