Ok thanks !
Gonna see that
----- Message d'origine ----
De : Kai Vehmanen <kvehmanen@email-addr-hidden>
À : Enzo <jdespatis@email-addr-hidden>
Cc : ecasound-list@email-addr-hidden
Envoyé le : Samedi, 25 Août 2007, 22h35mn 33s
Objet : Re: [ecasound] file.ewf fading
Hi,
On Fri, 24 Aug 2007, Enzo wrote:
> However something is missing for my use, i don't know how to do this:
> one mp3 begins at volume 100%, than sound decreases linearly to 50%
> after 4seconds then increase linearly to 120% after 30seconds
>
> Can i do that with an ewf file ?
>
> If not can i mix the use of ewf file and fading like -kl ? (cause i
> think -kl answers to my need)
ewf can't do this, but yes, you can combine use of ewf files with -kl and
-kl2 operators. And for really compliated cases, you can use -klg (allows
specifying arbitrary number of envelope points).
So you'd have something like:
ecasound -i foo.mp3 -o alsa -ea:100 -kl:1,100,50,4 -ea:100 -kl2:1,100,240,4,30
As the first -ea operator stays at 50% after 4secs point, the second -ea
needs to scale amplification from 100% to 240% (50%*240%=120%) during
4:30secs.
--
links, my public keys, etc at http://eca.cx/kv
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Received on Sun Aug 26 12:15:04 2007
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