[LAU] Latency issues (Re: Arch Wiki Professional_audio)

Ralf Mardorf ralf.mardorf at alice-dsl.net
Fri Mar 31 15:40:34 UTC 2017


On Fri, 31 Mar 2017 17:34:07 +0200, Ralf Mardorf wrote:
>On Fri, 31 Mar 2017 17:00:56 +0200, Hermann Meyer wrote:
>>For me, disturbing starts at a frame rate of 256/2 which means round 
>>about 10ms. That is the point were it seems that my brain starts to
>>lock ahead. With a setting of 128/2 (5ms) I've no problems at all. I'm
>>not sure, if I'm able to notice lower latency at all.  
>
>This are more or less the values for everybody of us. If you play a
>drum sampler with a delay of 5 ms it's no problem. If you play it with
>10 ms it's also no problem, but it's annoying, less fun, because
>something is fishy.
>
>However, if you have two equal mono recordings and one is a little bit
>off, you notice phasing. Ok, this is physic, not the work of the brain,
>but it becomes the work of the brain when using headphones and each
>channel is on one ear. You notice that the signal becomes stereo. And a
>few ms are already enough to not just get phasing, but already an early
>reflection like effect, you clearly notice the time difference, far
>below 5ms.

Resp. I suspect we made a mistake. If we play a virtual synth we might
start noticing that something is fishy at 256/2 not at 10 ms, but
already at 5 ms. Not round-trip, just output latency.


-- 
"Michael" described Floyd as "an idiot savant", and added, "Give him
any two numbers, and he can multiply them in his head, just like that."
Homer, testing Floyd, said, "Five times nine", and Floyd instantly
responded "Forty-five", which impressed Homer.


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