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fadein and fadeout without reencode, Possible
marcan
post Mar 15 2013, 04:03
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Hi,
Do you know if it's possible to create a fadein and a fadeout in a mp3 without reencoding it.
I think it should be possible but is there a tool (in linux if possible) that can make it?
Thank you for your help
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Porcus
post Mar 15 2013, 08:56
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QUOTE (marcan @ Mar 15 2013, 04:03) *
Do you know if it's possible to create a fadein and a fadeout in a mp3 without reencoding it.

I shall by no means claim knowledge, but «most likely not». mp3gain works only in 1.5 dB steps. Now if you read the «Note about» the confusingly-named payware thing at http://mp3gain.sourceforge.net/ ...

Edit: Re mp3DirectCut, what are the minimum step size there?

This post has been edited by Porcus: Mar 15 2013, 09:38


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ErnestS
post Mar 15 2013, 09:31
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QUOTE (marcan @ Mar 15 2013, 04:03) *
Do you know if it's possible to create a fadein and a fadeout in a mp3 without reencoding it.

Yes. mp3DirectCut should do the job.
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db1989
post Mar 15 2013, 12:40
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QUOTE (Porcus @ Mar 15 2013, 07:56) *
Re mp3DirectCut, what are the minimum step size there?
Presumably the same 1.5 dB and constrained to frame-sized steps. I have never heard of there being any other way to losslessly/reversibly alter the volume of MP3 data.
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Porcus
post Mar 15 2013, 14:42
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Ah, digital sound = rugged staircase! Play vinyl instead! wink.gif


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crazyman
post Mar 24 2013, 21:36
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QUOTE (marcan @ Mar 14 2013, 19:03) *
Hi,
Do you know if it's possible to create a fadein and a fadeout in a mp3 without reencoding it.
I think it should be possible but is there a tool (in linux if possible) that can make it?
Thank you for your help



mptrim.
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Dynamic
post Mar 25 2013, 18:36
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I've used mp3directcut to fade with good results a few times. The overlapping transform windows help to smooth the frame transitions, so it wasn't nasty.
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_if
post Mar 26 2013, 03:43
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Correct me if I'm wrong, but mp3DirectCut can't do fade-ins. Actually I hope I am wrong. The fade-outs are tough to make sound good too because it's rather unintuitive (fast drop in volume then a slow tail to silence), but it can be done.
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ErnestS
post Mar 26 2013, 08:56
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You can use your own parameters for fade in/out. Just use the "Gain.." menu or work directly in the editor. You can even create a curve.

Check out the manual.

This post has been edited by ErnestS: Mar 26 2013, 09:04
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