[PD] 2009-2010 Macbook Pro 2.2GHz Latency?

Simon Iten itensimon at gmail.com
Fri Jul 27 16:48:28 CEST 2012


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 at gmail.com> wrote:

> On Thu, Jul 26, 2012 at 8:50 PM, Tyler Leavitt <thecryoflove at 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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