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-   -   Canon USA Introduces EOS-1D X Digital SLR Camera (https://www.dvinfo.net/forum/digital-video-industry-news/501724-canon-usa-introduces-eos-1d-x-digital-slr-camera.html)

Bill Koehler February 18th, 2012 08:38 AM
Re: Canon USA Introduces EOS-1D X Digital SLR Camera
 
Quote:
Originally Posted by Peer Landa (Post 1712558)
Some more info about the 1DX was published today by Canon:

-- Advanced movie shooting functions --

(2) Elimination of the 4 GB file size limit
On previous models, movie recording ended once the file size for one continuous shot reached 4 GB. This restriction has been removed on the EOS-1D X, so users can record a continuous clip up to 29 minutes and 59 seconds long, regardless of the file size.
Either they are spanning (multiple files) or the file system has changed to something like exFAT which allows files greater than 4 GB in size. I read the article referenced and it doesn't make explicit which has occurred, to my mind anyway.

Nigel Barker February 18th, 2012 08:57 AM
Re: Canon USA Introduces EOS-1D X Digital SLR Camera
 
Quote:
Originally Posted by Bill Koehler (Post 1715820)
Either they are spanning (multiple files) or the file system has changed to something like exFAT which allows files greater than 4 GB in size. I read the article referenced and it doesn't make explicit which has occurred, to my mind anyway.
MXF ( as used on Canon's XF100/300 & C300) uses spanning. AVCHD uses spanning. Do any solid state cameras record to a single monolithic file?

Jon Fairhurst February 18th, 2012 05:10 PM
Re: Canon USA Introduces EOS-1D X Digital SLR Camera
 
Spanning is likely. It ensures higher compatibility and may have lower licensing costs.

Thierry Humeau February 25th, 2012 05:24 PM
Re: Canon USA Introduces EOS-1D X Digital SLR Camera
 
Quote:
Originally Posted by Nigel Barker (Post 1715823)
MXF ( as used on Canon's XF100/300 & C300) uses spanning. AVCHD uses spanning. Do any solid state cameras record to a single monolithic file?
Yes, XDCAM Disc cameras and Sony's PMW-500 (SxS cards) don't have a limit on file size aside from the disc maximum capacity less overhead.


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