xilisoft audio

audio formats available including MP3, WMA, ACC (M4A files), OGG

Audio Converter, convert MP3 to WMA, MP3 to WAV, WAV to MP3, WMA to MP3

Audio Record, Capture from Microphone, Stereo,Mix, Mono Mix, Aux, Video pins

Audio Plugin Manager lets you manage large numbers of VST effects

Audio ear training course to train ears to hear frequencies! Very beneficial!

It meets all your needs for audio editing.

an up-to-date DVD to MP3 audio ripper and DVD audio extractor

convert DVD to Zune video MP4, MPEG-4, WMV and rip DVD to Zune audio MP3, WMA

Change the audio pitch or audio tempo when playback video or audio file

Rip audio CDs and convert audio files into various formats.