Subject: Re: [linux-audio-dev] Setting up a vocoder demo?
From: David G Matthews (dgm4+@pitt.edu)
Date: Fri Jun 15 2001 - 19:53:21 EEST
I've used some of the NoTAM software (Ceres and Mammut) and, AFAIK it
cannot be made to run in real time. You can get some really spectacular
sonic transformations with Ceres, but you will be able to to is show a
"before" and "after" comparison of pre- and post-processed material. I
happen to think that Ceres is one of the best reasons for doing audio on
Linux, but for a demo booth you probably want RT apps.
-dgm
BTW, How are you planning on solving the sync problem of two soundcards?
On Fri, 15 Jun 2001, Frank Neumann wrote:
>
> Hi *,
> for LinuxTag, I thought a nice demo would be to show some kind of
> vocoder under Linux. My idea goes like this:
> - Put two soundcards in a machine, one gets input from a microphone, the
> other gets string-type chords from a synth.
> - The vocoder software uses these two as carrier and modulator to
> produce some nice alien/space/scifi type of sounds/voices
> - This is put out again through one of the two soundcards. Both are
> Emu10k1 based, so I think both are able to do duplex pcm
> recording/playing at 16 bit.
>
> - Of course, all of this should be done in realtime.
>
> The only question I have: What software to use? I have found a few links
> at Dave Phillips' page, but I have no experience with these programs; do
> any of you have actual "stage experience" with one of them?
>
> Names I found:
> - Packages from the NoTAM group
> - PVC
> - PVNation
> - XVox
> - Zerius Vocoder
>
> Opinions, anyone?
>
> Thanks,
> Frank
>
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