[NSRCA-discussion] S.bus

[Keith Hoard]

Sounds like a mission for the NSRCAAFAPSAHITIRCAF (NSRCA Academy For
Advanced Pattern Studies And Human Interfaces To Improve Radio Controlled
Aerobatic Flight).


On Sat, Jul 10, 2010 at 12:35 AM, Phil Spelt <chuenkan at comcast.net> wrote:

>  Bill, that is an empirical question -- one that could be tested in the
> lab.  However, I am convinced that your implication is correct:  the
> difference between 7 ms and 14ms is probably not detectable by anyone.  The
> fascinating question is, where is the mean cut-off time between
> non-detectable and detectable delays...
>
> Anyone got a coupl'a mil $$ so I can but the equipment and conduct the
> tests??? lol
>
> At 12:00 PM 7/9/2010, you wrote:
>
> The next question then becomes, at what level can we perceive a difference
> in performance? In other words, can we really perceive a difference between
> 7ms and 14ms latency? I will not argue that large differences are readily
> perceptible (25 versus 250), but what about smaller differences. How large
> of a difference does there need to be and is there a threshold below which
> it does not really matter?
>
>
>
> Phil Spelt wrote:
>
> As a Psychologist, I agree with you, Bill.  As an R/C pattern jockey, I
> will only point out that the electronic latency is ADDED TO the wet-ware
> latency...
>
> Thus, your last statement is true, indeed!
>
> At 11:19 AM 7/9/2010, you wrote:
>
> I am amused by discussions about latency. We have long discussions about
> the perceived advantages of single digit differences in system latency while
> ignoring the fact that the average human reaction time (call it organic
> latency) is around 250 milliseconds.
>
> I guess you can argue that since we are inherently so slow we need all the
> electronic help we can get!!
>
>
>
>
>
> Jon Lowe wrote:
>
> There is a great article on latency here:
>
>  http://www.rcmodelreviews.com/what_is_latency.shtml
>
> A lot of people are hung up on transmitter/receiver latency numbers, and
> don't see the whole picture.  This gives as good a fact based write up as
> any I've seen.
>
> Jon Lowe
>
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> *-->* There are only two types of aircraft -- fighters and targets.
>
> Phil Spelt, Past President, Knox County Radio Control Society, Inc.
>        URL: http://www.kcrctn.com
> AMA--1294,  Scientific Leader Member  SPA--177, Board Member
>       My URL: http://mywebpages.comcast.net/~chuenkan/<http://mywebpages.comcast.net/%7Echuenkan/>
>       (865) 435-1476 v  (865) 604-0541 c
>
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>
> *-->There are only two types of aircraft -- fighters and targets.
>
> *Phil Spelt, Past President, Knox County Radio Control Society, Inc.
>        URL: http://www.kcrctn.com
> AMA--1294,  Scientific Leader Member  SPA--177, Board Member
>       My URL: http://mywebpages.comcast.net/~chuenkan/
>  <http://mywebpages.comcast.net/%7Echuenkan/>      (865) 435-1476 v  (865)
> 604-0541 c
>
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>



-- 

Keith Hoard
Collierville, TN
khoard at gmail.com
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