[geeks] Re: [rescue] miss me?

[Gregory Leblanc]

On Thu, 2002-08-29 at 09:15, rescue-request at sunhelp.org wrote:
> From: Tim H. <lists at pellucidar.net>
> To: rescue at sunhelp.org
> Subject: Re: [rescue] miss me?
> Date: 28 Aug 2002 21:13:34 -0400
> 
> On Wed, 28 Aug 2002 17:51:49 -0700 (PDT)
> Lionel Peterson <lionel4287 at yahoo.com> wrote:
> 
> > In college, they used to shut the gym down and "set up" the sound
> > system... I assumed they were sweeping the PA through the sound
> > spectrum at a set volume, then based on the amount of sound absorbed
> > at each frequency, they set the EQ to compensate for the room... Is
> > that what you're talking about?
> 
> Usually not, that is generally done with a pink noise generator and a
> frequency analyzer, the tech sets up for flat, then does a long
> walkaround with a mic chopping out feedback issues and tuning to taste.
> 
> Pink noise is just normalized white noise, with equal amplitude across
> the audio spectrum. (sometimes with weighting for specific purposes)

Can you recomend any good books on this sort of thing?  This sounds like
something terribly fun to play with.
	Greg

-- 
Gregory Leblanc <gleblanc at linuxweasel.com>