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    SubjectRe: Human tIming perception (was: RT patch)
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    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

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