Subject: Re: [LAU] Which sound level meter for calibrating monitors?

From: Andrew Gaydenko <a@...> · Date: Saturday, May 9, 2009 - 10:28 pm

On Sunday 10 May 2009 01:50:19 Fons Adriaensen wrote:
> > Hi, Fons!

quoted text> >

> > Will you be so kind to point me to publically available explanation of

> > k14/k20 sense/motivation?

>

> There is a link to Bob Katz' pages in the README.
The page itself hasn't any level-related refs. I have tried to register, but

was not lucky. Nevertheless...
> The K-meters indicate two values: an RMS one (the

quoted text> coloured bar), and digital peak value (the white

> dot). These are two independent values: the dot

> is *not* the peak value of the bar as it is with

> most meters. They will indicate the same value

> for a continuous sine wave.

>

> For typical music signals the peak indication will

> be higher than the RMS one, and that is why the dB

> scale (which applies to the RMS indication) is offset.

> The only difference between the k20 and k14 meters is

> this offset of the scale, they are the same meter

> otherwise.

>

> The k14 is used for music that is compressed, so it

> can have a lower peak/RMS ratio, and thus a higher

> average RMS level.
...your explanation is sufficient for me now. Fons, thanks!
Andrew

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