[sdiy] vocoder question

[Tom Arnold]

On Thu, Nov 20, 2003 at 08:37:29AM -0600, rkmoore at memphis.edu wrote:
> I'm looking into building a vocoder, but I'm still trying to figure out 
> how I need to set it up.  I've seen several examples of DIY vocoders on 
> the net that vary from 8 band to 20 band setups.  I also looked at the 
> vocoder made by paia, but was disappointed at the quality of the sound 
> samples.

Just my comments on the PAIA vocoder.
Stock its kinda mushy.  There is a clarification mod that is detailed 
with the kid that adds buffer stages which helps quite a bit and makes it
very usable IMHO.  There is another mod mentioned on Hyperreal that I havent
done yet but I have poked with a scope and verified that its indeed correct
and would probably help :
http://machines.hyperreal.org/manufacturers/Paia/Vocoder/mods/paia.vocoder.mod.txt

The PAIA has a bunch of flywires and its an old board ( no conformal coating ).
Adding more bands would mean extensive reworking, on the other hand its cheap,
and comes with all the parts and typical very good PAIA instructions.

Might want to look here for magazine articles about DIY vocoders.
http://omega.tellus.vallentuna.se/anders/

Also there was a discussion on this list about 8 months back about 
vocoders.


-- 
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 - Tom Arnold -       When I was small, I was in love,                  - 
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