>> What I really wanted was to be able to do it on a chip and then have 
>> it process sound real-time.  That would have helped me see the 
>> application much more clearly.
> 
> If you have a fast enough computer and use a fast enough language you 
> should be able to do some pretty funky stuff on your home PC with the 
> line/mic input and the speaker output of your sound card.  I would 
> recommend using C++ and the ASIO driver/protocol - it's really fast 
> (very low latency) and easy to code for.

Perhaps I didn't make this very clear...

A modern PC is already easily fast enough to do realtime DSP even in 
quite low-powered languages. Falstad is doing it in mere Java, for 
example. You don't need to do anything special if you're just doing a 
simple digital filter implementation, for example.

Now, if you want something that you could use for serious studio work, 
or you want to do really complex processing, you're going to need 
specialist tools. But if you just want to play around with basic DSP 
algorithms, you really don't need chips. Just a programming language 
with access to sound hardware. It's really not computationally 
challenging any more.

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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