ImTOO Audio Encoder 

An audio encoder can decode/encode between all popular audio formats like MP3, WMA, WAV, M4A, APE, OGG, AAC, MP2, VQF, etc with high speed and good output quality. It also supports extract audio from video file formats - AVI, MPEG, WMV, ASF, MP4.
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River Past Audio Converter 

Batch convert/extract audio from 3GP, AC3, AIFF/AIFC, APE, AU, AVI, VCD DAT, DivX, DV, FLAC, IVF, M4A, MKA, MKV, MOV, MP3, MP4, MPA, MPC, MPG, OFR, OGG, OGM, RA, RAM, RM, SD2, SND, TTA, DVD VOB, WAV, WMA, WMV, XviD to MP3, WMA, WAV or OGG.
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MP3 Strip_It! Digital 

With MP3 Strip It!, digital music enthusiasts can rip, encode and convert their entire music CD collection into small MP3 files allowing users to create custom compilation CD's and get rid of those one-hit-wonders.
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