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No idea why it might be intermittent, but It could be tearing:<br><br>
<a href="http://en.wikipedia.org/wiki/Screen_tearing" eudora="autourl">
http://en.wikipedia.org/wiki/Screen_tearing<br><br>
</a>you could try updating video drivers. Also, try running paradigm on
some different machines<br><br>
At 03:32 AM 16/07/2012, you wrote:<br>
<blockquote type=cite class=cite cite="">Good to know that I am not alone
in attempting to solve this problem but no solution as of yet. I came
across a posting from 7/11/11 related to my movie clip problem which
David Vinson responded to very thoroughly on 7/13 but while this
information does shed some light on my situation it does not seem to
completely address my predicament. For some reason the .avi video
files I loaded to E Prime for an experiment are now not running properly
after otherwise running without issue during two experimental runs. It
seems that the pixelated image (a gray scale gradient that traverses left
to right) separates horizontally as it runs for parts of the
presentation. The image does not always become disrupted at the same
point during the run nor does the image break in the same area. I think
the issue may be due to the 100ms stimulus presentation but it is strange
that it did at one time run correctly. <br><br>
A colleague and I attempted to find the change the format code from .avi
to mpg but it will not run at all with any of the reformatted versions. I
do not think we tried Xvid Codec which I see worked for someone else.
That will be Monday's project. Again, not sure if my issue is one of
formatting or one of presentation duration. It may be that with EPrime
the 100ms run time and various inter-stimulus intervals (600ms-1000ms)
makes loading the files in that time frame problematic. Of course, the
fact that it worked and now doesn't is the true mystery.<br><br>
Anyone have thoughts????<br>
Lisa<br><br>
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