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-   -   HDV hours/gig's (https://www.dvinfo.net/forum/final-cut-suite/118208-hdv-hours-gigs.html)

Jim Ronquest March 31st, 2008 11:23 AM
HDV hours/gig's
 
This may be a dumb question, if so I apologize. I have been looking for some information or maybe some sort of scale or graph that would show how much hard drive memory doe's one hour of HDV require?

Thank you.

Jim Ronquest

Mike Barber March 31st, 2008 12:27 PM
From Wikipedia:

Quote:
HDV 1080i uses a recording data rate of 25 Mbit/s (3.125 MB/s) while HDV 720p records at 19.7 Mbit/s (2.46 MB/s)
multiply by your datarate (in MB/s) by 60 and you will have your answer.

Andrew Kimery March 31st, 2008 01:32 PM
Digital Heaven has cool widget to calculate disk space for various codecs.
http://www.digital-heaven.co.uk/videospace/index.php


-A

Jeff Zimmerman April 5th, 2008 12:25 AM
AJA has a free one as well. Works really well, multiple formats.

http://www.aja.com/html/support_Io_swd.html >> Click on "Data Rate Calculator" near bottom of page.

Dylan Pank April 6th, 2008 04:56 PM
720p or 1080i?

720p is about 9GB/hour
1080i is about 12GB/hour

Quote:
multiply by your datarate (in MB/s) by 60 and you will have your answer.
For 1080i that gives me 187.5. Are you sure?

Aric Mannion April 7th, 2008 12:13 PM
Quote:
Originally Posted by Dylan Pank (Post 855403)
720p or 1080i?

720p is about 9GB/hour
1080i is about 12GB/hour



For 1080i that gives me 187.5. Are you sure?
That's right, your data rate for HDV 1080i is something like 3.3, same as DV.


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