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Topic: Batch apply "fade out" effect to several source files (Read 2293 times) previous topic - next topic
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Batch apply "fade out" effect to several source files

Is there any software which enables the batch processing of audio so a simple effect like "fade out" can be applied without manually editing individual files?

In my case, I have many (nearly seventy) .wav source files which need to be converted to flac after fading out roughly the last five seconds of the song. I thought this could be done in foobar, but the plugins don't allow applying a fade out dsp effect to individual files during conversion; they only work during playback.

I'm looking for a fb2k dsp plugin which will let me fade out (and only fade out; not cross-fade) during conversion. If such a plugin does not exist, are there alternatives in terms of programs which will let me do this?

Batch apply "fade out" effect to several source files

Reply #1 –
  Don't tell anyone around here, but I don't use foobar2000.  I don't normally use batch processing either because most audio editing requires listening and human interaction...

SOX is a command line application, so it should be easy to "script" if you are good at that sort of thing.  Audacity and GoldWave can also be batch automated.


P.S.
I could manually fade-out 70 tracks faster than I could figure how to do it with batch processing.  And if I did it with batch processing, I'd still want to listen to the fade-outs (all 70 of them) to make sure they are OK.

Batch apply "fade out" effect to several source files

Reply #2 –
Ah, SoX, of course. How'd that not occur to me? Sheesh! For me, it'd be faster to learn a programming language than to perform the task manually.

Jokes aside, that's one amazing nifty little tool. Audacity automates many things, but this just isn't one of them.

For future reference, these are the flags that did the trick with SoX:
Code: [Select]
fade 0 0 10
That's it...

By the way, you're absolutely right; audio editing can't really be done blindfolded. That's why I prepped them carefully before hand, so the fade would be the finishing touch.