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"Fix" mp3?
eiko
post Mar 20 2009, 05:43
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Is there any app to take an mp3, or a WAV that was previously compressed to mp3, and add high frequency sounds in plausible locations that mp3 encoding would have removed?

Thanks

This post has been edited by eiko: Mar 20 2009, 05:43
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timcupery
post Mar 20 2009, 06:07
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Before we talk about applications to do what you want, let's figure out what you're looking for first - what you want to accomplish, and whether anything can do it, and what comes closest.
I assume you're talking about dithering. This basically adds noise to an audio stream, and as such fills in higher frequencies that may have been lowpassed out through encoding. However, this won't fill in the frequencies that were lost upon lowpassing.

If your goal is to take lossy material and make it sound less lossy, you're mostly out of luck.

But I may be misreading your intent. What are you hoping to accomplish?


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