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Regarding presentation of a video stimulus.
Regarding presentation of a video stimulus.
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Regarding presentation of a video stimulus.
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Yasen
Yasen
posted 10 Years Ago
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Thanks a lot, Dave! Although that's actually not-so great news for me... as I just managed to bring it down to 175... But anyways thanks for the info, I'll figure something out! :)
Great job on answering so many questions so quickly btw! :))
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Dave
Dave
posted 10 Years Ago
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Let me add a couple more thoughts and clarifications (and apologies for the delayed reply, BTW):
- If you have personal webspace available, it is perfectly possible to host your video file(s) there. Suppose you have the file uploaded to
http://mydomain.com/myfiles/myvideo.wmv,
then the <video> element in your script should be able to fetch that file like so:
<video myvideo>
/ items = ("
http://mydomain.com/myfiles/myvideo.wmv")
[...]
</video>
- If need be, the storage limit applicable to files hosted on the millisecond.com server can be lifted. In that case, contact inquisit<at>millisecond.com or support<at>millisecond.com with your account details.
The general caveat mentioned previously remains, though: A slow or unreliable internet connection can cause unacceptable delay or download failure. Perhaps potential participants can be made explicitly aware of this (i.e. have a little patience while stuff is being downloaded) and discouraged from taking part in case their internet access is low-bandwidth or otherwise somewhat unstable.
Lastly, when working with video files on machines not under your control, make sure your files are encoded using a widely available and deployed codec (more exotic ones may not be available on a given participant's computer). WMV should work on virtually all Windows machines out of the box.
Hope this helps.
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Yasen
Yasen
posted 10 Years Ago
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Thanks a million, Dave!! That really helps!! :)
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Yasen
Yasen
posted 10 Years Ago
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Hi Dave,
Thank again for helping me!
The guys you referred me to altered the quota limit and I uploaded the videos (122 MB) and ti's all running. However, it doesn't run on all computers I tried it. I have troubles running it on Mac... Say out of approx. 10 computers - 7 run the script and it's all fine, but for 3 of them it crashes - two are with Mac and one with Windows. Any idea why that might be?!
I'm planning to send email invitations to participants, so if you have some idea why it might not run, I could advise them... something like "please run this task on a computer with Windows operating system only" or "check this or that before you run the task" or something like that...
Thanks a lot, Dave! :)
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Dave
Dave
posted 10 Years Ago
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First, I am confused. You posted to the Inquisit 3 forum. Inquisit 3 work on Windows only, i.e. that automatically excludes Macs. Regardless, if you want videos to work reliably across platforms, you ought to make sure you pick a codec that's widely available and compatible. You'll find this covered in the Inquisit 4 documentation topic for the <video> element:
"Note that not all video file containers and codecs are supported on all platforms. To present videos that will work on both Mac and Windows, use the mpg (with mp2 codec) format, or use conditional
include
elements to select *.wmv versions of your videos on Windows and *.mov versions for Mac."
I cannot speak to the crashes you mention without any further technical details.
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