simple schematics

[Harry Bissell]

You get a "click"

The clock rate has to be much higher than the audio range to get noise. You can
play with the clock frequency to "tune" the noise... but if the clock rate gets
too low it sounds like a random series of clicks...

:^) Harry

Roel Das wrote:

> I'd like to have some simple noise sources. I'm in this project i which we
> have to play a live soundtrack over a very old silent movie ('He who gets
> slapped', 1920 or something? I don't remember). I'd like to build some
> simple modules to add some random noises in between melodic pieces. They
> don't have to be controllable, just very simple. And maybe a very basic
> mixer to get them on one channel. I don't have alot of time to build them
> (from feb 5 to feb 20).
>
> And i've been playing with an idea. What sound do you get when you use a
> pulse to clock a pseudo-random generator (shift register with an exor or
> something like that)? And maybe connect this to an up down counter which you
> feed on the trigger to get symmetry?
>
> Thanks,
> Roel