Latency: Difference between revisions

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Devices, by default, do their own thing, and do not know each other's timing.
A lot of electronic logic, connected directly, is often measured in nanoseconds,
faster than most anyone would care about.


If there was no design consideration, then you should assume any one device can deviate from the plan,
The more complex things are,
and its execution of your plan will probably not be better than [[order of magnitude]], 10 milliseconds off from your plan.
the more that that each designed device does their own thing,
and the more than it does it according to ''its own'' timing.
 
There are other devices around that you need to talk to, sure,
but that is often a 'when you get to it' on both ends,
and we start talking about microseconds or even milliseconds.
 
 
And the harder it becomes to coordinate devices precisely.
 
If there was no design consideration,
then you should assume any one device can deviate from the plan.
   
   
If computer is part of your plan, you should assume more.


===Does that even matter?===
===Does that even matter?===
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It matters in a different way when cause and effect are involved.
It matters in a different way when cause and effect are involved - input that needs to lead to different output.


Say, a computer game is interactive, and there is a difference between the moment you click a button
A computer game is interactive,  
and there is a difference between the moment you click a button
and you see and hear the result.  
and you see and hear the result.  


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==Monitor latency==

Latest revision as of 15:53, 24 June 2024

Device latency

Audio latency

Monitor latency