Subject: Re: [linux-audio-user] Re: Room noise + acoustics (was: SNR (not audio))
From: Anahata (anahata_AT_treewind.co.uk)
Date: Thu Aug 01 2002 - 10:24:03 EEST
On Wed, Jul 31, 2002 at 11:47:16PM +0100, Stephen Burgess wrote:
> On Wed, Jul 31, 2002 at 10:11:19AM +0100, Steve Harris wrote: (cut)
>
> >I'm tempted to just flood the room with whitenoise and measure with a
> >mic at various positions.
>
> Hmmm, I'm afraid room acoustics are a bit more complicated than that.
>
> First, whatever you are going to measure with such a setup would be
> applicable to record sustained sounds (think pipe organ), but doesn't
> account for the room's behaviour to transient sound (think drums).
Not necessarily true. A random noise source plus autocorrelation
meaurement can give a perfectly good transient response measurement.
(but I suspect that wasn't what was intended)
-- Anahata anahata_AT_treewind.co.uk Tel: 01638 720444 http://www.treewind.co.uk Mob: 07976 263827
This archive was generated by hypermail 2b28 : Thu Aug 01 2002 - 10:34:19 EEST