[LAU] Value of low-latency in audio?

[Hartmut Noack]

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Arnold Krille schrieb:
> On Tuesday 15 December 2009 22:37:53 Dan S wrote:
>> If you think 64ms is fine then you're probably not doing live
>> beatboxing processing ;). For percussive sounds especially, the
>> latency is immediately obvious to a live musician - for many
>> performers a high latency also manifests in a tendency to slow your
>> tempo down (lagging your performance to keep in sync with the lagged
>> output)...
> 
> So if you know your sound has a (constant) delay before its heard, why don't 
> you anticipate for that and just make your sound earlier?
> 
> It works, for centuries organists have done so.
> But to be fair: I use my synths at <20ms.


In my experience, 10ms roundtrip is the borderline. Anything below that
is safe ground, even for Bluegrass-Banjos at 150 bpm ;-)

at the other hand:
 it is also my experience, that a system with a good audio-interface
that cannot run okayish with 10ms will not run okayish with 100ms
either. If normal load (1-2 synths, a sampler, 2 dozen
standard-processors for filters and dynamics plus 3-4 FX like flangers
and the like, ardour project with 40+tracks, 48KHz) produces
significantly more then 2-3 xruns/h at 10ms - then there is something,
that needs tweaking. Often it is a badly programmed processor or really
freaky settings for a synth. Or you have a bottleneck in the
data-transport line like some conflicting SATA-controller or trouble
with ffado etc etc etc

best regs
HZN
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