[sc-users] [bug] blowing intel powerbook sound driver

Dan Stowell danstowell at gmail.com
Wed Sep 12 12:33:09 PDT 2007


My Intel Mac doesn't seem to reproduce this. (iMac Intel Core 2 Duo)
Maybe it's even more system-specific?

Dan



2007/9/12, Julian Rohrhuber <rohrhuber at uni-hamburg.de>:
> There seems to be a strange behaviour in the intel sound driver that
> is very different from the ppc version. When confronted with a
> gremlin number, intel will instantly faint, so that the server cannot
> play any sound, even when all synths have been freed. Try it:
>
> // background hiss..
> { PinkNoise.ar(0.06) }.play;
>
> // the synth def
> (
> SynthDef("zintel",
>         { arg out = 0;
>                 var window;
>                 // exponential curve with 0 starting point as bad value
>                 window = Env.new([0, 0.01], [0.01], 'exponential');
>                 Out.ar(out, EnvGen.ar(window, doneAction:2))
>         }).store;
> )
>
> // here it happens:
> s.sendBundle(0.2, ["/s_new", "zintel", -1,0,0]);
>
> // now free all:
> s.freeAll;
>
> // on intel, no hiss.
> { PinkNoise.ar(0.06) }.play;
>
> // now make a system sound (e.g. search for something inexistant)
> // ... and the hiss is back.
>
> can you reproduce this behaviour?
> I think this is extremely unpleasant if one does not know it
>
> what could be the solution?
> --
>
>
>
>
>
> .
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