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640 Gb usb 2.0

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Rachel Miller
640 Gb usb 2.0
on Sep 27, 2010 at 1:09:25 am

Hello I have a WD portable external hard drive I am using tomorrow while editing on FCP. How much hours of footage roughly does 640 GB drive hold? I hope a full hour and a half doc. Maybe that's just wishful thinking. :)


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Tom Wolsky
Re: 640 Gb usb 2.0
on Sep 27, 2010 at 1:26:26 am

USB drives are not supported by Apple for use with video applications. You need FireWire or eSATA or better.

All the best,

Tom

Class on Demand DVDs "Complete Training for FCP7," "Basic Training for FCS" and "Final Cut Express Made Easy"
Author: "Final Cut Pro 5 Editing Essentials" and "Final Cut Express 4 Editing Workshop"


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Michael Sacci
Re: 640 Gb usb 2.0
on Sep 27, 2010 at 4:29:39 am

[Rachel Miller] "How much hours of footage roughly does 640 GB drive hold?"

That is like asking "How heavy are 30 bricks?" Well, what type and size of bricks are you using?

What type of files are you recording to. But as Tom said you should be using FW800 drives for FCP editing.


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Chris Tompkins
Re: 640 Gb usb 2.0
on Sep 27, 2010 at 11:48:00 am

R u editing DV25?
Google

Data Rate: 25 Mbps This is why it is called DV25. This data rate is both fixed and constant. It does not matter if the video is a high action sequence or is totally black, it's data rate will always be 25Mbps. While this can be inefficient, it also makes it easy to predict how much space an amount of video will take up on a hard drive. Here are some useful figures (sizes are approximate):

1 Second = 3.5 MB
1 Minute = 215 MB
4 Minutes, 40 Seconds = 1 GB
1 Hour = 13 GB

Chris Tompkins
Video Atlanta


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