Subject: Re: [ecasound] time based mixing functions.
From: Bill Allen (ballen_AT_mail.serve.com)
Date: Wed Nov 21 2001 - 00:19:46 EET
On Tue, 20 Nov 2001, S. Massy wrote:
> On Tue, 20 Nov 2001, Bill Allen <ballen_AT_mail.serve.com> wrote:
> > Is there a way using ecasound to specify that at a given time in a mix,
> > something will happen? What I want to be able to do is to specify that a
> > given channel should be faded out (which is another question: is there a
> > fade capability?), then faded back in at another time. A way that I've
> > done this (without the fade) is to produce two or more .ewf files for a
> > given track one of which plays until the track should fade out, then the
> > next comes in for the remainder of the time. This seems like a pretty
> > obtuse way to achieve the result.
> > If there is a way to do this can somebody let me know, otherwise it is a
> Certainly, and more than one way to do it at that.
> I really suggest you have a look at the `CONTROL ENVELOPE SETUP' section
> of the ecasound man page, but here's a quick example:
> $ ecasound -i:stereofile.wav [bunch_of_effects] -eac:100,2 -kl2:1,100,0,180,10 -o:/dev/dsp
> This would cause a ten seconds fadeout of the right chanel after three
> minutes. But note that it's just a very dumb example, you can do much
> much more...
Thanks, I'm experimenting with -klg right now. Looks like it should do the
job. The more I dig into ecasound the more amazing it seems!
> Hope this helps,
> S. Massy
> > feature request that I'd love to see.
> > Bill
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