Subject: Re: [LAD] audio meters nostalgia

From: Florian Schmidt <mista.tapas@...> · Date: Monday, April 14, 2008 - 5:20 pm

On Sunday 13 April 2008, Fons Adriaensen wrote:

quoted text> On Sun, Apr 13, 2008 at 10:04:51PM +0200, Florian Schmidt wrote:

> > On Saturday 12 April 2008, Fons Adriaensen wrote:

> > > The PPM is a pseudo-peak meter. It will indicate 80% of

> > > the steady-state value for a 10ms burst, and fall by 24db

> > > in 2.8s. Each scale division (1..7) represents 4dB. It is

> > > calibrated to indicate '7' (+12 dB on the EBU scale) for

> > > 0dB FS.

> >

> > Excuse my ignorance, but what's a steady-state value?

>

> The value it would show for a continuous signal of constant

> amplitude. So for a 10 millisecs burst the meter will

> indicate 2 dB below the true amplitude. This defines the

> rise time.
Thanks for the explanation..
Regards,

Flo
--

Palimm Palimm!

http://tapas.affenbande.org

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