The Aiseesoft Audio Converter software lets you change any audio type into another type of audio file. The program works on formats including MP3, MP2, AAC, AC3, WAV, MID, MIDI, WMA, M4A, RA, RAM to iPod MP3, M4A and AAC.
The Aiseesoft Audio Converter lets you pull out any audio file type such as MPG, MPEG, MPEG2, VOB, MP4, M4V, RM, RMVB, WMV, ASF, MKV, TS, MPV, AVI, 3GP, 3G2, FLV, MPV, MOD and TOD.
These audio file can be changed to FLV video to MP3 audio. The Aiseesoft Audio Converter has an audio joiner and splitter which will let you merge multiple audio files into one.