Re: [PATCH 2/3] femon: Display SNR in dB

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This is a frustration of mine. Some report it in SNR others report it
in terms of % (current snr / (max_snr-min_snr)) others its completely
random.

Seems many dvb-s report arbitrary % which is stupid and many atsc
report snr by 123 would be 12.3db. But there isnt any standardization
around.

imo everything should be reported in terms of db, why % was ever
chosen is beyond logic.

Is this something we can get ratified ?

Chris Lee

On Sun, Nov 24, 2013 at 10:21 AM, Manu Abraham <abraham.manu@xxxxxxxxx> wrote:
> Hi Jean,
>
> Sorry, that I came upon this patch quite late.
>
> On Mon, Jun 3, 2013 at 8:51 PM, Jean Delvare <khali@xxxxxxxxxxxx> wrote:
>> SNR is supposed to be reported by the frontend drivers in dB, so print
>> it that way for drivers which implement it properly.
>
>
> Not all frontends do report report the SNR in dB. Well, You can say quite
> some frontends do report it that way. Making the application report it in
> dB for frontends which do not will show up as incorrect results, from what
> I can say.
>
> Best Regards,
>
> Manu
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