Data xfer rate: camera to disk

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Gswiss

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Under XP-SP2, we used Pinnacle Studio Plus 9.4 and 10.6 to transfer video from a DV camera to the pc through a Pinnacle Studio Movieboard Plus PCI card. Camera connected to pc through the 1394 plug. The transfer works fine although quite slow as is the usual case with all Pinnacle software versions.

However, if we choose a USB hard disk as destination for the transfer, we’re kicked out (or the test just hangs) because apparently the transfer data rate is insufficient. Again, everything works fine when an IDE disk is used.

Is there any way to get the software to adjust to a particular data rate so that the USB disk can be used (Western Digital 500 GB) ?
 

fairnooks

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I don't know about adjusting processing rate but there a couple things you can check that might make a difference as far as the USB drive goes. The first is to go into the device manager and find the drive under Disk drives and in its properties under policies, see if it is optimized for performance and make it so if not. The other thing is to not have anything else plugged into the same controller (usually controls 2 ports) that the USB drive is plugged into.
 
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Have your tried the USB out of the DV camera. While it was true at one time Firewire IE1492 ran faster today it's not really so. Firewire card do vary greatly in quailty and price and may be your hang up.
 

Gswiss

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We connected the video camera to the MovieBoard PCI card through a USB plug and the target USB disk to a USB plug directly on the MB. Same thing with target USB disk. After a long wait, the Pinnacle Studio test accepted the transfer to the USB disk at a low rate. Tens of thousands of frames were dropped during the transfer on a 35-minute video and the result was disastrous.

We suspect that we have a USB 1.1 environment : we're using a P4/1.7 Ghz on a Gigabyte 8TX motherboard. It's not easy to tell whether it's 2.0 or 1.1 USB either from Everest or from the Control Panel.


The MB specs indicate: 2 integrated USB ports + 2 additional USB ports. If it doesn't specifically say 2.0, does this imply 1.1?
 

fairnooks

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Its not a good indicator as to wether its 2.0 or 1.1. There's a program called TeraCopy that is just simple copy and move program but it will give you transfer rates as its working. If you use that and only get about 1 megabyte/sec transfer rate or less that's a much better indicator that the bus is limited to 1.1.

Are you getting a lot of dropped frames when using an internal hard drive as the target? Usually using USB as input connection doesn't work the best even if its 2.0.
 

Gswiss

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The dropped frames occurred only with the USB disk. Using an internal disk works fine. Thank you for the tip on TeraCopy.
 
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