Subject: Re: Acoustic Feedback reduction
References: <96dU9.21919$jM5.firstname.lastname@example.org> <7KK7UhBclYI+Ewnc@jmwa.demon.co.uk> <2ZkU9.22426$jM5.email@example.com>
X-Newsreader: Forte Agent 1.93/32.576 English (American)
Date: Sun, 12 Jan 2003 22:23:41 -0500
NNTP-Posting-Date: Sun, 12 Jan 2003 22:23:45 EST
Organization: Bell Sympatico
My most recent computer came with a pitch shifting program.
It covers one octave .
Compliments of MSI , I think.
On Mon, 13 Jan 2003 11:08:48 +1100, "Phil Allison"
>"John Woodgate" wrote in message
>> I read in sci.electronics.design that Phil Allison
>> wrote (in <2ZkU9.22426$jM5.firstname.lastname@example.org>) 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
>> >you will find a digital effects processor, possibly made by Yamaha,
>> >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.
> ** That is a "PA system" - old style and NOT "professional sound
> The latter phrase refers (IME) to modern live entertainment SR
>systems - or "PA rigs".
>> > They all have a pitch shift function but never a frequency shift
>> Have you got that the right way round? I thought that pitch shift was
>> not helpful in a live sound system?
> ** Yep - the function is there for vocal and instrumental effects only.
>I have been long looking for but never come across a digital frequency
>shifter - I figure it must be hard to do as well as an analogue one.
> .............. Phil