[ecasound] Re : file.ewf fading

From: Enzo <jdespatis@email-addr-hidden>
Date: Sun Aug 26 2007 - 11:47:21 EEST

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 _____________________________________________________________________________ Ne gardez plus qu'une seule adresse mail ! Copiez vos mails vers Yahoo! Mail

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Received on Sun Aug 26 12:15:04 2007

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