A4 Audio Video Converter is powerful software for merging directly audio files with video files. You can select a video and merge it with an audio file. A4 Audio Video Converter can support the following video files: AVI (DivX, XviD, MPEG4, uncompressed, Cinepak, etc.), MPG VCD MPEG (MPG) SVCD (MPG) DVD (MPG) WMV MP4, M4V, iPod (MP4) PSP (MP4) 3GP, SWF, FLV, etc. It also supports the following audio files: WAV, MP3, WMA, AAC, AC3, MP2, FLAC, OGG, M4A, MKA, MP2, RA, AIF, AIFF, AIFC, UA, AVI, etc. A4 Audio Video Converter is published by A4Video.