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Audio Discuss, MP3 -> WAV -> ? at International Chat: Software related forum; A friend of mine gave me an audio cd, and I suspect that the data on it may at one time have been in mp3 form. I'm a big fan of lossless codecs, but I would hate to think that I'm making these 20mb audio files when the


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Old 01-07-2007   #1 (permalink)
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MP3 -> WAV -> ?

A friend of mine gave me an audio cd, and I suspect that the data on it may at one time have been in mp3 form.

I'm a big fan of lossless codecs, but I would hate to think that I'm making these 20mb audio files when the originals were 3mb. Is there a way to tell for sure wether a audio file has been, at some point, compressed? (question 1)

On the same idea, is it possible to have a wav re-encoded to it's original mp3 form without discarding more of the sound? (question 2)
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Old 01-07-2007   #2 (permalink)
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Re: MP3 -> WAV -> ?

Question 1: Spectral analysis of the file, either with Audacity or Adobe Audition.
Question 2: Nope, more quality will be lost!
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