DirectX, Authorware and Timing Accuracy

Hi,
Does anybody know if Authorware’s default Response
Times (ResponseTime) use DirectX?
If not can anyone point to ways Authorware can use DirectX to
support response registration and graphics presentation with high
timing accuracy (temporal resolution)? And also use DirectX to
interact with the output (e.g., video and sound) and input
interfaces (e.g., keyboard, mouse)?
Cheers,
Miles.

I am indeed fairly certain Authorware uses the system clock
for such
timings. I was not aware you could use DirectX in such a
fashion... Very
happy to hear you recognize Authorware's flexibility and
power! It's a
shame it hasn't kept up with technology. However, if it's
within your
skillset, Authorware can be extended through use of custom
DLLs created
as 'Xtras' or 'U32' files. I believe the Authorware CD
contains examples
of how to create your own (using tools like Delphi). So
perhaps the
functionality you seek is still possible...
Best of luck!
Erik
m1lesr1969 wrote:
> Thanks Erik. I presume Authorware uses the system clock
for its response times
> then?
>
> The reason I ask (in case you wondered) is that I use
Authorware for
> experimental purposes (stimulus and response recording).
There are bespoke
> packages designed to do this (all use DirectX for
millisecond accuracy), but
> Authorware is a much more powerful package in terms of
conditional branching,
> feedback, random conditions etc. It can also run of the
web and exe's can be
> used on machines without a licence - making it more
flexible and cheaper too!
> Only downiside is the timing accuracy, which is good,
but not the best....
>
>
Erik Lord
http://www.capemedia.net
Adobe Community Expert - eLearning
http://www.adobe.com/communities/experts/
http://www.awaretips.net -
Authorware Tips!

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"Donat-Pierre" wrote in message
news:[email protected]...
We have just purchased a BioPac MP1 50 physiological recording system
(www.biopac.com). We would like to start/stop an acquisition from
another computer system and/or to add annotations and markers.
To this end it seems there are two routes to consider. We could
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