[LAU] Which sound level meter for calibrating monitors?

[Andrew Gaydenko]

On Sunday 10 May 2009 01:50:19 Fons Adriaensen wrote:

> > Hi, Fons!
> >
> > 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
> 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