Steven Toth wrote:> Antti Palosaari wrote:> >> Thomas Börkel wrote:>> >>> hermann pitton wrote:>>> Measuring the strength and SNR is not so easy now. My SAT receiver>>> always says strength 70% and SNR 80%. My new Nova S Plus cards always>>> report strength 97% and SNR 99%. Only my TT 1500s reported reasonable>>> numbers like strength 63-80% and SNR 75-90%.>>> >> What is the recommended way to report signal strength or SNR by the >> driver? Both of those are 16bit unsigned value. Is it better to scale >> 0-0xffff or return as decibels? If SNR is reported as decibels it will >> look like very small value...>>>> Antti>> >> May of the drivers I've added recently report their values in db, but I > typically also have one precision point. So I report 20.4 as 204 decimal.>> - Steve>>> _______________________________________________> linux-dvb mailing list> linux-dvb@xxxxxxxxxxx> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvbwould it be possible to define a standard and then normalise the results to that range.i realise that it might take a year or more before all drivers adopted this "standard".but it would be worth it to at least declare one. i see this sort of discussion on this list at least once a fortnight.i also want to build a signal strength meter for a dish installation tool i'm trying to write--simon _______________________________________________linux-dvb mailing listlinux-dvb@xxxxxxxxxxxxxxx://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
