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Subject: Re: Log base 2
From: Jack Peel (jhp_at_cypress.com)
Date: 2002-09-20


It seems that you have this well in hand, so I will just
sit back and wait for the awesome new features :)

Philipp Pertermann wrote:

> From: "Jack Peel" <jhp_at_cypress.com>
>
> > Ahh.. after a little research I found out where the 20
> came from in my
> > mind :) it's 20 log(x/y) for a ratio in dB (volts that is)
> :)
>
> Fortunately we don't have to bother with volts and watts
> because in the digital domain we can use dBfs (db full
> scale). So in our case we can use the sample range (0x8000
> in the mas) as y and the sample itself as x.
>
> Phil



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