audio converter & Mixer is an easy-to-use tool for converting and mixing all kinds of sound files into one large wav file
audio converter & Mixer is an easy-to-use program for converting and mixing of more sound files into one large wav file.
audio converter & Mixer can configure the volume, start time and playback speed of each sound track. It can extract sound track from many audio formats such as WAV, MP3, WMA, AC3, OGG, MPA, MP2, AU, AIF, SND, etc, and video formats VCD, MPEG, AVI,
wmv,
asf,
ogm,
divx, DAT, SVCD etc. The mixing speed is extremely fast and the output wav file has CD quality (44100Hz, 16Bits, Stereo).
Requirements:
DirectX 9.0 or later
2GB of available hard disk space
128 MB of RAM
200Mhz CPU
Limitations:
1 minute conversion limit for each media
MP4 Converter
518 KB 
$ 29.99