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From: Lee Revell <rlrevell@joe-job.com>
To: Steve Finney <saf76@earthlink.net>
Cc: Florian Schmidt <mista.tapas@gmx.net>, linux-kernel@vger.kernel.org
Subject: Re: Human tIming perception (was: RT patch)
Date: Tue, 31 May 2005 16:03:55 -0400	[thread overview]
Message-ID: <1117569835.23283.24.camel@mindpipe> (raw)
In-Reply-To: <10471395.1117558743885.JavaMail.root@wamui-milano.atl.sa.earthlink.net>

On Tue, 2005-05-31 at 12:59 -0400, Steve Finney wrote:
> It takes (IIRC) about a 10 ms or 
> so difference in the sounded sequence
> for someone to be able to report that there's been a change, but
> a cnange in the timing of the person's finger movements occurs
> (_immediately_) at perturbations smaller than 10 ms. That is, there 
> appears to be some dissociation  between conscious perception and 
> perceptual/motor behavior.

Any decent guitar player who has used their computer as an effects unit
could tell you this.  I can easily perceive the difference between 1.3
and 2.6, and 2.6 and 5ms latencies.  And there's at least one person
(also a guitarist, who I have added to the cc:) who swears he cam
perceive the difference between 0.6 and 1.3ms.  Soundcard ADCs typically
add 1.5ms latency in each direction, so the actual floor seems to be
around 3-5ms.

Lee


  reply	other threads:[~2005-05-31 20:04 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-31 16:59 Human tIming perception (was: RT patch) Steve Finney
2005-05-31 20:03 ` Lee Revell [this message]
2005-05-31 20:41   ` Florian Schmidt
2005-05-31 21:06   ` Richard B. Johnson
2005-06-01  4:08     ` Willy Tarreau

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