> -----Original Message----- > From: linux-dvb-bounces@xxxxxxxxxxx > [mailto:linux-dvb-bounces@xxxxxxxxxxx] On Behalf Of Johannes > Stezenbach > Sent: 22 February 2005 23:41 > To: linux-dvb@xxxxxxxxxxx > Subject: Re: [linux-dvb] Writing DVB Software - couple questions > > [snip] > Yeah. Some values *are* scaled into 0..0xffff (e.g. snr), but > that still doesn't mean that you get well-defined values. > E.g. some cards will return 0x1234 and others 0x2345 for the > same input signal. I don't know how you want to calibrate > this, even if you'd have a zoo of cards to compare against > each other I guess that for consumer equipment even two > "identical" cards will return different values... > > Johannes > One idea might be in the client software to keep a record of the minimum and maximum experienced value and display a percentage/value based on this. So you get a scale from 0%-100% for the known limits of the current setup. Chris