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From: "Phil Allison"
Subject: Re: Acoustic Feedback reduction
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Wed, 15 Jan 2003 07:34:56 +1100
NNTP-Posting-Date: Wed, 15 Jan 2003 07:24:23 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
"Kevin Aylward" wrote in message
> Phil Allison wrote:
> > "Gibbo" wrote in message
> > news:firstname.lastname@example.org...
> >> I guess the proof is in the eating. I couldn't find anyone with a
> >> frequency shifted so we had to make do and mend........
> >> Gibbo
> > ( snip great pile of verbal dog's turds)
> > ** Gibbo - you are a fucking idiot.
> How about a technical evaluation?
** Of WHAT ????? A load of crazy heresay that contradicts all
> No one is *ever* going to take your seriously until you cut this sort of
> crap out. Your cutting your own throat
** From a man who posts any load of BS he feels like that is funny.
> > You do not have a real frequency shifter nor any experience
> > with such things. Your alleged test has *zero* credibility and so do
> > you.
> > Frequency shifters are used in thousands of venues every day
> > across the world including live music and foldback systems.
> > The sound of an acoustic guitar seems quite normal with shifts
> > of up to 8 Hz.
> > Recorded music can be played with a 4 or 5Hz shift added and
> > be virtually undetectable except at the moment of switching in the
> > shift.
> I certainly agree that if you say, increase *all* frequencies by a fixed
> ratio, e.g, simple speeding/slowing down a tape recorder by a small
> amount, then assuming no golden ears perfect pitch brigade, than you
> would be hard pressed to notice a difference. This is pretty much agreed
> by most I would have thought.
> However, this is a far cry from having a
> fixed frequency shift and say, sound from a guitar amp being heard
> directly, added to a shifted version coming from the PA.
** That is a new issue - ie mixing of a direct and shifted sound.
I have posted to John W on that already with reference to the time
delay masking effect on audible beats.
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