1)   Acoustica Audio Converter Pro 1.0
Convert MP3, OGG, WMA, WAV and rip CDs with a simple right click!

 2)   Excellence AVI MPEG WAV WMA To Mp3 Converter Pro 1.0
You need to convert your digital files (avi,mpeg,wav and wma) to MP3 format, but you have tired to

 3)   Audio Converter amp; Mixer 1.0
It can convert and mix sound files into one large wav file.