[linux-dvb] [Proposal] Meaningful reporting of SNR

Christophe Thommeret hftom at free.fr
Fri Apr 14 11:49:51 CEST 2006


Le Jeudi 13 Avril 2006 23:02, Klaus Schmidinger a écrit :

> An actual application (like  VDR, for instance) isn't interested in all
> the various signal parameters and their scaling and units etc, etc. All
> it needs is an idea about signal *strength* and *quality*. So I agree with
> Hartmut. I'd like to have a way of asking the driver for exactly these
> two values, both on a fixed scale from 0 to some maximum (which should
> be the same for all devices, since it's an abstract value). I guess only
> the particular device's driver can take all the various parameters to
> form a useful "strength" and "quality" value. That's what the application
> would finally present to the user in, say, the form of a bar graph.
>
> The average user doesn't care about "dB" or "BER" or whatever. He wants
> to know whether the signal is "strong" and "good". At least that's what
> the STBs I've seen show.

Exactly.

-- 
Christophe Thommeret




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