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Subject: Re: Acoustic Feedback reduction
Organization: Nobody nowhere
X-Newsreader: Microsoft Outlook Express 6.00.2720.3000
Date: Sun, 12 Jan 2003 01:29:32 -0000
NNTP-Posting-Date: Sun, 12 Jan 2003 01:29:39 GMT
"Phil Allison" wrote in message
> "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 ?
> or a Behringer 'feedback
> > destroyer'. One of the problem with feedback is that it highly depends
> > on how many people are in the church. The Behringer units sometimes
> > where out of 'bands' to suppress enough. A graphic equalizer doesn't
> > have enough precision. Besides, in many cases wireless microphones are
> > being used. You need an adaptive system to get rid of feedback and we
> > always tested the system with RASTI. Using an equalizer can have a
> > negative effect on the test. The sound may be clear, but the spoken
> > word can still be difficult to understand.
> ** So the shifter was the best choice ?
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