[sdiy] Theremin

[Richard Wentk]

At 06:09 06/07/2004 -0700, Scott Gravenhorst wrote:
>Reflected brightness is measured.

Thought so.

>I think the round trip time is a bit quick for simple analog circuits or
>even digital to measure.

Thought so too. :-)

Still - has anyone checked if the brightness curve is linear? If you have a 
half an ear you can always compensate by hand using Theremin-like wavey 
action,  but if you're using the information as a mod source it might get a 
little more involved.

Richard