[linux-audio-dev] [ann] preamp.so

Tim Goetze tim at quitte.de
Wed Nov 13 07:09:01 UTC 2002


Lamar Owen wrote:

>On Tuesday 12 November 2002 09:49, Tim Goetze wrote:
>> more interesting is that if you feed it a sine wave, the
>> circuit *never* clips the lower lobe, it rather seems to
>> compress so the lower lobe never hits the end of the curve.
>> it does clip the lower lobe of a triangle however.
>
>This is interesting.

i'd like to understand why, but in the meantime implementing
similar behaviour is not that hard. :)

>So the SPICE sims have helped.  Great!  I know that SPICE is the cat's meow 
>for electronic/electrical design problems, which is where I've used it in the 
>past.  It's just not quite fast enough to do real-time effects processing, 
>even on current hardware.

yep, it's a great program, and in true grand old unix spirit, 
it hides behind an unfriendly and fiendish interface. ;)

judging from execution times on this box, you'd probably need 
something like a recent 32-way cluster to run a whole amp sim 
in realtime. 

tim




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