[sdiy] (OT?) FEEDBACK as a topic in electronics, music, science, etc?? BOOKS?

[Dan Snazelle]

Is this thing on?




Sent from my iPhone

On Sep 8, 2011, at 1:58 PM, Dave Manley <dlmanley at sonic.net> wrote:

> 
> Steve Reich (IIRC) did a feedback piece where he had a microphone mounted
> under a speaker that was on a pendulum.  As the pendulum brought the speaker
> in proximity of the mic it created feedback.  This was the instrument for
> the composition.  Your call if it was musical or artistic :-)
> 
> On Thu 11/09/08  9:58 AM , "Scott Nordlund" gsn10 at hotmail.com sent:
>> 
>>> Great thread and since I've been meaning to ask
>> about this as well - I thought this question might be relevant. Hope you
>> don't mind Dan.>
>>> Can anyone comment on the main qualities
>> affecting 'musical' (or, I guess, in the case of video - 'artistic')
>> feedback?>
>>> Is it...
>>> 
>>> a) The time delay - e.g. the time it takes a
>> signal to get from the speakers of my amp and back into my guitar
>> pickups> b) The change in the shape of the waveform e.g.
>> small inaccuracies that start to stack up infinitely> c) Other...
> 
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