[sdiy] Sigma Delta DSP

[ASSI]

On Donnerstag, 2. März 2006 00:07, Dave Krooshof - dendriet.nl wrote:
> Okee.  I see. And probably Cellulair Automata too.

You may find way too much purely theoretical treatises if you are not 
very careful with the search term "cellular automaton".

> yes, and adding the same signal will not make any gain, unless it's
> delayed a bit. But then the question is how much I should delay to
> make a nice 6dB gain. Will the number of bits delay be my gain value
> from +0 to +6 dB?

You are thinking too far inside the box. :-) You don't need any 
standalone gain functions most of the time. When you want gain followed 
by a filter, just make up that filter with the required gain built into 
the transfer function with the requisite up-/down-sampling in one fell 
swoop. If you really need just gain, make that filter _very_ simple. 

Adding a delayed version of the same signal does not do you any good 
BTW, as it's highly correlated to the original signal of course.


Achim.
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