Minimum reasonable latency Was: Re: ZynAddSubFX was: Re: [linux-audio-dev] some new soundfiles on-line

[Arnold Krille]

Hi,

On Saturday 14 May 2005 12:57, Fons Adriaensen wrote:
> On Sat, May 14, 2005 at 11:58:45AM +0200, Benno Senoner wrote:
> > Eg in physics you feel the acceleration but not the speed.
> That's because you feel force, and we have F = m * a.

No, generally you feel the changing of the impuls which is also true while 
moving with only little less than light speed. And as you can`t determine the 
"real" absolute speed you have to assume that all of us are moving with 
~c... ;-)

 (\me studying physics)

> > Of course some instrument players, especially those that play percussive
> > sounds are more sensitive than

But with not to long latencies you can compensate that.
I remember doing a powerpoint-presentation once where the slide-changes had to 
come on-beat of the music while not being synchronised with midi etc. After 
the first tests I actually recognised the latency of evil MS and compensated 
it with clicking the button earlier...

> > others, but the question is how small is this time ? Is there scientific
> > data around that can state:
> > "if latency of the virtual percussion instrument is higher then X then
> > the instrument is unusable for 30% of professional musicians" ?

As far as my knowledge goes: more than 20ms are only usable for slow 
strings/pads...

Arnold

-- 
There is a theory which states that if ever anyone discovers exactly what the 
Universe is for and why it is here, it will instantly disappear and be 
replaced by something even more bizarre and inexplicable.


There is another theory which states that this has already happened.

 -- Douglas Adams, The Restaurant at the End of the Universe
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