[argyllcms] Re: Measuring display input lag with colorimeters
- From: Graeme Gill <graeme@xxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Mon, 26 Nov 2012 12:41:26 +1100
János, Tóth F. wrote:
> Is this information (delay between digital and analog screen refreshes)
> included in the verbose output?
Hi,
yes it is. But it may vary if you run it several times,
and it is only reading at about 10msec resolution.
> Taking pictures of the displays with running clocks is also far from
> accurate because the sampling rate is limited to the screen refresh rate,
> so you don't even have a chance to spot a delay lower than the screen
> refresh period (and you always get a value rounded to an even multiple of
> the refresh period...).
That's going to be the case here too - the i1d3 will only notice
the update when the image changes.
Graeme Gill.
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