There's a threshold for distinguishing two discrete audio events of at least 10ms or so, but that doesn't mean there are no audible artifacts below that. A flanger effect is between 1 and 10ms so low latency can give a static 'hollow' comb filtered sound when the dry and processed sound are mixed. Whether or not one finds that sound objectionable is purely subjective, but it has been known to affect artists enough that they can't perform well.
Well from a musicians point of view (me) everything above 8ms is not very playable. This is obvioulsy only true if the generated sound has instant attack, otherwise latency does not really matter :-)
On Jul 27, 2012 2:30 PM, "Charles Henry" <czhenry@gmail.com> wrote:On Thu, Jul 26, 2012 at 8:50 PM, Tyler Leavitt <thecryoflove@gmail.com> wrote:
> 10ms is around the human-ear latency, so anything at that level or below
> should be good enough for guitar/drumming (this is anectodtal... Iḿ not sure
> the exact science behind it). Ive never had a problem with my friends older
> 13" MacBook Pro used as a guitar FX box.
>
> Tyler
I believe the phenomenon you're describing is called "loudness
integration." However, I can't find any good citations available on
the internet to back it up--here's something that *might* be
applicable:
Plack, C. J., & Moore, B. C. J. (1990). Temporal window shape as a
function of frequency and level. Journal of the Acoustical Society of
America, 87, 2178–2187.
The basic idea is that the cochlea is fed a series of waves and a
particular place on the basilar membrane resonates most for a given
frequency. The instantaneous power delivered is low, so the power
needs to accumulate before the stimulus is strong enough to be
perceived.
As I recall, it takes about 20 ms to reach a steady state, but it's
been a while since I've read anything about it.
Chuck
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