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Render .avi file as 16:9?

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rsv869
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Render .avi file as 16:9?

Mon Oct 03, 2011 3:53 pm
Hello Group -

I'm a new user and in search of the config process to render my video as 16:9 .avi file, not the default 4:3. Must have missed that selection. Pointers appreciated.

I picked .avi because I'm sending this video to Windows media player users and am in need the format most reliably available to those non-techy users.

thx

Reid
yellow_drupal
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Re: Render .avi file as 16:9?

Mon Oct 03, 2011 8:09 pm
avi is not a video format, it's really just a container and choosing .avi is no guarantee your video will be compatible, so what format are you encoding to? h264? mpeg4? mjpeg?

Is your file 4:3 or 16:9 originally?
rsv869
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Re: Render .avi file as 16:9?

Tue Oct 04, 2011 2:52 pm
Ok...Thanks for the pointers Yellow. I think I understand this a bit better.

1) My camera is a Panasonic PV-GS120 and it can only do 4:3.

2) The project setting show this was captured into Kdenlive (I think that's what it means) as HDV 1440x1080i 25fps. I'm embarrassed to say I don't know if the capture default to that or if I selected it.

3) After I captured and edited I rendered it as Win Media Player WMV V7 20000k 2pass. Honestly (embarrassed again) behind the scenes I don't know what else might be happening about the encoding.

4) When I look at the resulting .avi on my 16:9 monitor it looks OK (what you would expect for 4:3 on a 16:9 screen). No complaints. What is actually happening (that triggered my note) is this: when I look at the same video on a different laptop, which does not have the 16:9 aspect, but some other funky hardware format (somewhere between 16:9 and 4:3), I believe the video hardware/software makes an adjustment to something even more compressed, so everything looks squished. Would be more correct with the nomenclature, but that's all my vocabulary offers :=>

short answer...don't think there's anything to be done about it. But thanks. Thoughts welcome.

RSV869
yellow_drupal
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Re: Render .avi file as 16:9?

Wed Oct 05, 2011 7:51 am
ok so your camera is a 4:3 DV cam rather than HDV. So your project should be either 4:3 PAL 720x576 or NTSC 720x480 depending on your part of the world or you maybe able to use a DV widescreen project profile, not sure if kdenlive scales your source or just renders it 4:3 but signals 16:9 for pillarboxing in the media player.

That will give you a 4:3 DV project matched to your camera, if you want 16:9 widescreen you'll need to crop and scale or have black pillarboxing with playback.

Rendering could be to mpeg2 DVD profile or something more web orientated check the profiles available and more online via kdenlive menu.

I think basically your problem was wrong capture and project profiles.
rsv869
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Re: Render .avi file as 16:9?

Sat Oct 08, 2011 12:45 pm
Many thanks Yellow.

RSV869


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