[sdiy] frequency quantiser?

Magnus Danielson cfmd at swipnet.se
Sun Sep 15 08:33:45 CEST 2002


From: Tim Ressel <madhun2001 at yahoo.com>
Subject: Re: [sdiy] frequency quantiser?
Date: Sat, 14 Sep 2002 21:44:20 -0700 (PDT)

> Paul,

Tim,

> No problem. Here's how you do it:
> 
> Take a grand piano. Rig a large speaker just above the
> strings. Wire guitar pickups onto each string. Amplify
> and mix all the pickups together. The strings act like
> filters tuned to each note.

Great idea. Now, each string forms a 2'nd degree resonance filter. However,
grand pianos normally have 3 strings (in the mid range), slightly differently
tuned. This forms a 6th degree filter. To get steeper curves you have to either
use several cascaded grand pianos or you have to combine the responces of the
neighboring strings.

Also, it only solves the detection and quantization part. Naturally you will
use yeat another grand piano for the quantized synthesis. You never can have
a grand piano to few around the house for spare, can you?

I haven't spent quality time with better grands for quite some time. Somebody
got a spare you can toss over? A Steinway will do I guess.

Cheers,
Magnus



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