Audio Notes Recorder 

This voice notes program records from microphone and all other sound sources. Its key features include support for scheduled recordings, voice operated recording, transcription playback, export to MP3/WAV/OGG/EXE, changeable skin and message editor.
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Blaze Media Pro 

Powerhouse all-in-one audio/video converter (two-way among CD, MP3, WAV, WMA, OGG, MPEG-1, MPEG-2, AVI, WMV, etc); editor; recorder; CD ripper; audio, video (VCD/SVCD/DVD), and data CD/DVD burner; video creation/extraction/processing; player; more.
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AEDTools Pro 

Plugin based universal audio converter. List of formats supported has more than 20 algorithms and could be enlarged adding a regularly updated plug-in (including WinAMP). If you can play an audio file on yo your PC that means that you can convert it!
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Mp3 Filter 

Mp3 Filter is designed to find duplicates in your music collection, wherever your collection is: Hard drives, Multiple Mp3 CDs, anything. The file comparison process, which basically compare filename's words between them, is completely customizable.
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Smart Sound Recorder 

Smart Sound Recorder is a full-featured universal sound recording system for both home users and Pros. It is a flexible and inexpensive software solution for those who want to record any digital sound from PC to WAV, MP3, WMA, OGG, VOX, AU, AIFF.
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Audio Companion for Windows 

CD Ripper to grab the audio of a CD - Audio recorder with autosplit function - MP3 Batch converter.
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