1)   Joy RingTone Converter 2.97
Joy RingTone Converter enables you to create your own ringtones by converting your MP3, WAVE files and CD tracks to the most common Ringtone format, including MMF, AMR, MP3, MIDI, WAV, AAC and MP4.

 2)   FairStars Audio Converter 1.81
Batch convert WAV, RM, RA, RMVB, M4A, AAC, AMR, AIF, AU, APE, FLAC, OGG, VQF, MP3, WMA, ASF to WMA, MP3, AAC, M4A, AMR, AWB, VQF, OGG, FLAC, APE, WAV formats. Other features include normalization and more.

 3)   OJOsoft WAV Converter 2.7.3
It is a professional audio converter to convert many popular audio files to WAV format and convert WAV files to other audio formats, such as MP3, WMA, M4A, AAC, AC3, MP2, OGG etc.

 4)   RER WAV Converter 3.7.4
Do you just need the WAV audio track of your favorite video? Do you want to transfer WAV to and from many other audio files? Then RER WAV Converter is the right choice for you. Just three easy steps you can finish your task. Have a try now!

 5)   AAC MP3 Converter 4.2.1247
AAC MP3 Converter converts AAC to MP3 and MP3 to AAC, and resamples AAC files. It is an ALL IN ONE audio converter that supports more than 90 audio and video files, and keeps ID3 tag when converting. The converter also supports batch conversion.

 6)   PeonySoft AAC Converter 2.2.1
PeonySoft AAC Converter is a utility to convert Audio to AAC (Advanced Audio Coding), and also convert AAC to other audio formats, including MP3, WAV, WMA, M4A, MP2, AC3, AMR, etc. You can also extract audio from video file directly.