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dapoopta
Joined: 28 Nov 2007
Posts: 3102
Location: 10,000 shutter clicks away from PRO
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Posted: Tue May 06, 2008 7:47 pm
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Just noticed that after taking a video from DV to m2t that the video was 1440 x 1080, 16:9. Should I leave the video in it's 'native' state, or recode it to 1920x1080? And what is the difference. Thanks guys. |
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kenny1
Joined: 14 Nov 2006
Posts: 169
Location: UK
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Posted: Wed May 07, 2008 12:48 am
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All I know is that 1440 x 1080 gets squashed in the preview panel on SS (only site that does for some reason)
Ken |
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tgtg
Joined: 18 Jul 2005
Posts: 624
Location: Russia
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Posted: Wed May 21, 2008 9:05 am
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"If your files are native 1440X1080, then we ask that you just go ahead and upload them at this resolution rather than "stretching" it to 1920X1080. This will conserve file size. "
This is from other footage site |
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dapoopta
Joined: 28 Nov 2007
Posts: 3102
Location: 10,000 shutter clicks away from PRO
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Posted: Wed May 21, 2008 9:59 am
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yes, but on this site they want you to put em to 1920x1080 I think. |
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digitalchaos
Joined: 31 Jan 2007
Posts: 289
Location: Toronto, Canada
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Posted: Wed May 21, 2008 1:41 pm
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The difference between the two resolutions is pixel aspect ratios.
1920x1080 has a 1.0 pixel aspect ratio and will result in a non-squished good looking preview.
Upload with a 1.0 aspect ratio and your preview should always look with the correct aspect. |
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tgtg
Joined: 18 Jul 2005
Posts: 624
Location: Russia
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Posted: Thu May 22, 2008 4:57 pm
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| digitalchaos wrote: | The difference between the two resolutions is pixel aspect ratios.
1920x1080 has a 1.0 pixel aspect ratio and will result in a non-squished good looking preview.
Upload with a 1.0 aspect ratio and your preview should always look with the correct aspect. |
... and native 1440*1080 video from camera has pixel aspect ratio 1.333, you can use clip with this parameters. Who can try upload clip with this parameters? |
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dapoopta
Joined: 28 Nov 2007
Posts: 3102
Location: 10,000 shutter clicks away from PRO
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Posted: Thu May 22, 2008 5:39 pm
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I think if you upload the clip with those parameteres it thinks they are square pixels, and makes the preview look square (crunched). So you need to convert for SS. Other sites let you choose anamorphic to fix this issue. |
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edgelore
Joined: 05 Jan 2007
Posts: 330
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Posted: Tue May 27, 2008 9:13 pm
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| dapoopta wrote: | | I think if you upload the clip with those parameteres it thinks they are square pixels, and makes the preview look square (crunched). So you need to convert for SS. Other sites let you choose anamorphic to fix this issue. |
just a clarification on this - i'm not sure you have the right idea about anamorphic. i'm still confused about it myself, and maybe someone can explain it who actually knows what they're talking about.
but isn't it the case that anamorphic does NOT apply to HD? is it a common misconception that anamorphic = 16:9 (without qualifiers) like i once thought? i did some crash course research because i saw on the forums of another site that people were getting rejections for checking "anamorphic" on HD clips (whether 1440/1.33 pix or 1920/1 pix). my research pointed to "anamorphic" only applying to SD so that the definition should really be clarified that anamorphic = a 16:9 image that has been squished or captured or presented or whatever to/on an SD format???
or am i totally off here?
one example of what i found:
http://forums.creativecow.net/readpost/162/767771?&archive=T
very curious for an "authoritative" answer here. |
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varius
Joined: 19 Mar 2006
Posts: 5625
Location: Bietigheim - Bissingen, Germany
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Posted: Wed May 28, 2008 2:50 am
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Anamorphic (when the term is applied to video footage) means pixels don't have square shape. No matter what format.
Things are a bit more complicated when we're taking about recording on film, but that's not our business here. |
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tgtg
Joined: 18 Jul 2005
Posts: 624
Location: Russia
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