[PD] 2009-2010 Macbook Pro 2.2GHz Latency?
czhenry at gmail.com
Fri Jul 27 14:24:50 CEST 2012
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.
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
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
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.
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