[Fpga-synth] Delay Line Theory

Eric Brombaugh ebrombaugh at earthlink.net
Tue Aug 14 22:16:42 CEST 2007


Joe Grisso wrote:

> http://www.stanford.edu/~dattorro/
> 
> He's one of the principal engineers of the Ensoniq ESP2 DSP, and he
> has the full chip spec and applications guide on his homepage. It's a
> huge volume of information that packs in not only delay lines, but
> oscillator topologies, waveguides, and other nifty filtering
> algorithms.
> 
> Plus, there's additional information for the adventurous on
> implementing nifty ALUs for audio DSP.

There's quite a lot of good stuff on that site, but the EP2 spec is full 
of interesting info. I was amused that he gives a list PRN polynomials 
up to 64-bits - just for the heck of it. And the appendices are pretty 
useful too.

Eric


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