How does it differentiate between the signal and the noise in order to get the signal to noise measurement? Take something like QAM256 which is an 16x16 grid of boxes. With perfect signal each sample is exactly in the middle of the one box it was meant to be in. The MER measurement (basically SNR f...

How does it differentiate between the signal and the noise in order to get the signal to noise measurement? I'm curious what is going on behind the scenes because I have some weak channels that can normally be watched but occasionally they completely drop out almost as if they don't even exist. The ...

In the HDHomeRun Config GUI, how is the Signal Quality meter calculated?