[linux-dvb] [Proposal] Meaningful reporting of SNR
robert_s at gmx.net
Wed Apr 12 16:57:00 CEST 2006
From: "Rusty Scott" <rustys at ieee.org>
> 1) That it be encouraged to report SNR in dB whenever possible.
I'm afraid most hardware is incapable of producing such measurements.
Instead, I'd propose scaling all signal measurements to _percentages_.
> 3) For cards that don't provide signal strength directly (read from a
> register), the strength be calculated from the SNR by mapping 30dB SNR
> to full scale signal.
That'd boil down to the same thing, except that instead of scaling 0..100
you'd scale to 0..3000. You could also go for permille and scale to
e-mail: robert_s at gmx.net
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