[sdiy] Digital noise generation

Antti Huovilainen ajhuovil at cc.hut.fi
Tue Mar 8 17:20:35 CET 2005


Hello

I recently did some tests in matlab emulating a feedback shift register 
noise generator. However, the noise sounded quite bad with frequent 
"snaps", mostly independent of shift register length. I tried both using 
the noise as-is (clocked at 44khz) or downsampled (clocked between
200khz - 1mhz).

What methods do you people use to generate noise digitally? (to avoid 
selecting transistors and worrying about interference with high gain amps)

Antti

"No boom today. Boom tomorrow. There's always a boom tomorrow"
   -- Lt. Cmdr. Ivanova



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