1)   FreeMp3Format 6.5.73
FreeMp3Format - Right click Convert Mp3 To Wav, Wav To Mp3 & Wav To Wav with plenty of effects and formats. Allows setting output mp3 Frequency, bit width, compression, operation mode and frequency filters. Wave Settings allow channel selection, amplification and more than 30 output audio formats. Sound Exchange allows compressions like GSM, uLaw, alaw and also allows audio effects like echo, reverse, cut, fader and swap. All this right on your right click.
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 2)   Audio/Video To Wav Converter 1.0.3.0356
It can convert almost all kinds of audio and video files to a wav file. With the build-in multimedia player, you can preview the media file, set start time and end time, convert any audio section of the file without quality loss.
AVI to WAV, VCD(svcd) to WAV, MPEG to WAV, WMV to WAV, ASF to WAV, OGM to WAV, DIVX to WAV, DAT to WAV, WAV to WAV, WMA to WAV,

 3)   Huelix Audio Converter 1.2
Huelix Audio Converter is a powerful yet easy-to-use software application for Windows. The software converts audio formats between MP3, WMA, OGG, and WAV audio formats. The versatile UI is complemented by excellent control over audio formats.
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 4)   WAV To MP3 Plus 1.0
WAV to MP3 Plus 1.0 is software that allows you to convert WAV files to the popular MP3 audio format, and MP3 format to WAV files. Also, convert MP3 to Mp3, and WAV to WAV - Fast and easy... free trial.
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 5)   Alive MP3 WAVE Converter 1.30
Alive MP3 WAV Converter converts MP3, WAV, WMA, OGG, and VOX files from one to another with a single right-click. Alive MP3 WAV Converter is very simple and easy to use. Just right-click on files in Windows Explorer, select Convert to MP3.
MP3 to WAV, MP3 to WMA, MP3 to OGG, MP3 to VOX, MP3 to MP3, WAV to MP3, WAV to WMA, WAV to OGG, WAV to VOX, WAV to WAV,