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From: "Phil Allison"
Subject: Re: Acoustic Feedback reduction
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Sat, 11 Jan 2003 21:04:22 +1100
NNTP-Posting-Date: Sat, 11 Jan 2003 20:53:44 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
"g0mem" wrote in message
> > ** Usually a positive shift of from 2 to 5 Hz is used- this is
> virtually undetectable on speech aand most music too.
> > ............ Phil
> Well the musicians playing the instruments would certainly notice it.
> Especially when there are 'miked' acoustic instruments involved. They
> here there own instruments acoustically, and the sound of the PA sounding
> sharp at the same time. 5Hz is a lot expecially when it comes to piano
** You have not tried it - what you say does *not* happen. If you mix
direct and shifted signals you get beats - loud and clear. If you delay
the shifted signal by even 3 mS the beats are destroyed. As the PA speakers
are more than 1 metre away from the performer.......
One can try this out with a shifyter and a digital delay - it is
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