From: John Woodgate
Subject: Re: Acoustic Feedback reduction
Date: Sun, 12 Jan 2003 22:08:18 +0000
Organization: JMWA Electronics Consultancy
Reply-To: John Woodgate
NNTP-Posting-Date: Sun, 12 Jan 2003 22:59:04 +0000 (UTC)
X-Newsreader: Turnpike (32) Version 4.01 <5Z8C9wtxbnpWyFnyfFzqmVF739>
I read in sci.electronics.design that Phil Allison
wrote (in <2ZkU9.22426$jM5.email@example.com>) about 'Acoustic
Feedback reduction', on Mon, 13 Jan 2003:
> In your signature, John, it says something about "professional sound
>reinforcement" - well that is the area of technology I work in.
There is, indeed. Wanna join? (;-) We do have a few members in Oz.
In spite of my abysmal ignorance, I still find that I have knowledge to
pass on that people find helpful. But a lot of what I do for the
Institute is managerial.
> If you have ever seen a working PA or SR system there in the FX rack
>you will find a digital effects processor, possibly made by Yamaha, Roland,
>Lexicon, TC Electronics et alia.
I haven't noticed one in the local municipal hall. There's an old
Millbank amplifier, a couple of loudspeakers and two microphones. There
are *millions* of rigs like that, compared with the thousands that are
as you describe.
> They all have a pitch shift function but never a frequency shift one.
Have you got that the right way round? I thought that pitch shift was
not helpful in a live sound system?
> Similarly I doubt there is a studio anywhere, small or large, that
>does not have the same or similar units available. There are even battery
>operated "pedals" that do it for guitarists.
Yes., I've occasionally repaired some geetar stuff (under protest). I
know that if it can be done, someone will make a box that does it, even
if it really *shouldn't* be done in public. (;-)
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk
Interested in professional sound reinforcement and distribution? Then go to
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