[sdiy] Analysis of frequency variation in analogue synths

steff steff at steff.name
Mon May 7 22:51:25 CEST 2007


Magnus Danielson wrote:
> 
>> I'd think anything > 32 cycles would approximate the same results you'd get
>> by just clocking the LFSR 32x faster. Also, what would be the effects of
>> scrambling the LFSR bits when forming the output word?
> 
> Scrambling one stream with another from either a different rate or different
> code will get you a different longer code.
> 
>> It's probably worth throwing together a few Matlab simulations to 
>> investigate. Are you aware of any publicly available papers on the subject?
> 
> There are always papers, what do you specifically want a paper on?

ISTR that "Applied Cryptography" by Bruce Schneier has good material on 
(combinations of) LFSRs. Every home should have a copy.

S



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