Adobe Audition CS6 - process opening MP3

Question

Hello.I have a 1000 MP3's that I like to process: matching volume and maybe some editing (fade in/out, ...). A few years ago, I read that if you do this on an MP3 and you save the file again, you would have (some) data loss.To avoid this I could convert them all to WAV, do the necessary things and save them back as MP3. But with 1000 MP's this would be crazy.My question is thus:If Adobe Audition CS6 opens an MP3 (or another format) file, is it instantly opened " as a WAV file ", so one can process it (being a wave and not a data file)?If yes, the data loss problem is avoided, as well as processing 1000 MP3's from MP3 to WAV to MP3 (...).Thanks for an answer in a short notice.Friendly greetings.Oli4

ryclark · Accepted Answer

Dear Ryclark,Good morning.I'm a huge fan of Fawlty Towers, A touch of Frost,..., Britisch good stuff. So, the mentioned setting I can set through the menu of effects and choose True peak level (Amplitude, ...) and then set the value? Can you maybe post a screenshot where to find it in Adobe Audition CS6?I tested the mentioned Legacy algorythms in the past, and they seemed to me, leaving to much difference in (perceived) loudness levels.Thank you for your patience.Friendly greetings.Oli4I had forgotten that you were using Audition Cs6. True Peak setting for the BS1770 algorithm didn't appear until a later version of Audition. So unfortunately other operations of the Match Volume also may not operate in quite the same way as the Match Loudness feature of the later versions of Audition. It might be worth your while downloading the trial version of Audition CC to see if that works differently on your audio files.

SteveG_AudioMasters_ · Answer

alejandrootje wrote
A few years ago, I read that if you do this on an MP3 and you save the file again, you would have (some) data loss.
To avoid this I could convert them all to WAV, do the necessary things and save them back as MP3. But with 1000 MP's this would be crazy.

The whole point here is that if you do this, you won't avoid that quality loss - that's exactly where the loss comes from; opening the MP3s and decoding them to wavs, altering them (or even not altering them, come to that) and re-encoding the file back to an MP3. Once they are compressed, there is very little at all you can do to them without damaging them - except to play them. MP3 is essentially designed to be a distribution-only format.

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