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Converting Anamorphic 16:9 (720x576) How to correct aspect ratio of anamophic video for square pixels

#1 Guest_Drewzor_*

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Posted 13 January 2006 - 06:44 AM

I have a sony hc90 which records anamorphic 16:9 at 720x576..

To watch this on pc it look elongated, this is because the anamorphic 16:9 uses a different pixel size

so when you reduce the size to 512x288 (proper widescreen) the end result is jagged edges of each pixel that has been squoshed into the standard square size..

How can i capture my video of my camcorder (which records in this way) and save a clear, undistorted avi at 512x288...

does anyone know how to reverse anamorphic pixel ratios to standard?

eg capture to avi then convert to standard pixel ratio, then resize to 512x288
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#2 Guest_Mischcabob_*

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Posted 13 January 2006 - 07:05 AM

Knowing it's a sony it uses some proprietary codec using blocks, not standard interlaced/progressive encoding.
It will always appear crushed/stretched if doesn't use standard aspect ratio.
i.e. NTSC 16:9, 4:3, 720x480 for television (US, Canada, Japan)

Usually you view movies using source aspect ratio and will add black bars to top/bottom. However, if forcing it to display 16:9 or 4:3, it will appear distorted. Could try cropping/resizing video, but that will require re-encoding the video. Don't have use for HandyCam, so can't really help you. When you do vid capturing, try changing the settings?
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#3 Guest_Ink Sloth_*

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Posted 13 January 2006 - 11:13 AM

Just wondering what player you use to playback this. I have encountered a similar issue when viewing mpeg2 files with this type of pixel format.

When I have played back the files in WMPlayer the picture is stretched. However it plays back fine in realplayer. Maybe see if that works.

Have just been looking at the spec of the hc90. I am assuming that you are recording onto miniDV and capturing to your computer/edit suite. Therefore I would say that you might be able to alter the pixel format of the captured video throught the capture software.
-What software are you using?
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