Acoustic Labs Audio Editor 

The Acoustic Labs Audio Editor is an easy-to-use, yet powerful, wave (WAV), MP3, WMA, OGG and PCM audio editor, player and recorder allowing users to open, edit, save and record audio files in any of these formats.
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Audio Editor Pro 

Audio Editor Pro is a visual multifunctional audio files editor which allow you to perform various operations with audio data such as displaying a waveform image of an audio file, applying more than 20 sound effects and 6 filters.
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