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From: "Phil Allison"
References: <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org>
Subject: Re: Acoustic Feedback reduction
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Sun, 12 Jan 2003 20:28:54 +1100
NNTP-Posting-Date: Sun, 12 Jan 2003 20:18:18 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
"Nico Coesel" wrote in message
> "Phil Allison" wrote:
> >"Nico Coesel" wrote in message
> >> I used to work for a company which installed a lot of PA systems in
> >> churches. We either used frequency shifting
> > ** The Polyfusion unit or another ?
> No, a self made one. It works great but it has one disadvantage; the
> designer of the unit thought 16bit/16kHz ought to be enough. I never
> got the time to fix that.
** This is the first I have *ever* heard of a digital algorithm for
frequency shifting - how did you do it ?? What DSP chip did you use ?
Did you not realise is was so much easier to do analogue?
> > ** So the shifter was the best choice ?
** It usually is.
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