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Old January 4th, 2009, 01:24 PM   #1
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Scrubbing with Aspect/Prospect?

I'm thinking of using Aspect HD for my next project.

Having bought it in 2006, I found it unusable because scrubbing back and forth
was next to meaningless because of the delay. So I reverted to native HDV in
Adobe Premiere 2.0.

Now I want to give it another try. May it be that my hard drives are too slow?
I understand that using Aspect HD means larger throughput from disk. Still, it
seems strange, as I have normal, internal SATA-disks for my Cineform files.

Please enlighten me on this issue. No one else seems to be reporting this problem.

Regards,
Nikolaj
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Old January 4th, 2009, 01:28 PM   #2
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What delay? Scrubbing is very fast.
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Old January 4th, 2009, 02:17 PM   #3
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Well for example, one file has the following specs:
File size: 2.0 GB
Image size: 1440x1080
Pixel depth: 24
Frame rate: 25
Average data rate: 4.9 MB/ second

Pressing space bar to play timeline takes approximately more than one second.

After pressing L to play timeline, pressing K to pause it results in picture
dissappearing from the external monitor (not from the small window inside premiere).

Playing time line backwards results in playback with 3 frames / second, approximately,
as far as I can tell.

On the other hand, overlaying three tracks and adjusting opaqueness and then playing
them simultaneously, results in fine playback.

What should I do to make it work more smoothly?
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Old January 4th, 2009, 02:22 PM   #4
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I want to point out that I use Premiere 2.0.
When clicking with the mouse on the timeline
the proper frame is displayed on external
monitor.
But when playing timeline and then pausing
by pressing space or K, the image dissappears
from external monitor. This is the single most
annoying thing about using Aspect right now.

I WANT to upgrade to Prospect but not until
these issues are fixed.

Regards,
Nikolaj
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Old January 4th, 2009, 06:21 PM   #5
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Oh, you aren't talking about scrubbing. Yes there has always been a small delay filling the playback pipe, but then the benefit is smooth multi-stream playback, that is the trade-off. Some machines are just slower at this, and it sounds like your is. As for your overlay going away during playback, that is a graphics card setup issue, and you should talk to support about how to set up your graphic card (file a ticket at cineform.com/support.)

Also for Prospect HD you can run AJA Xena cards, that is the best way to monitor. And we will be adding Blackmagic Intensity monitoring early in the year.
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Old January 4th, 2009, 06:27 PM   #6
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Thanks for the info! And I'll go and look up "scrubbing" in a dictionary...
Regards,
Nikolaj
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