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How do you export to avi 448X48 pixels and 384x48 pixels file?

Last post 08-20-2009, 13:13 by arikw1. 6 replies.
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  •  08-19-2009, 19:02 330864

    How do you export to avi 448X48 pixels and 384x48 pixels file?

     

    Is there a way to do it from sd time line and hdv time line?

     

    Arikw

  •  08-20-2009, 0:19 330898 in reply to 330864

    Re: How do you export to avi 448X48 pixels and 384x48 pixels file?

    I have found the way to do it (export to AVI uncompressed give you the option to change the size) however changing the size will distort the picture. Is there a way to go around it?

     

    Arikw

  •  08-20-2009, 8:17 331025 in reply to 330898

    Re: How do you export to avi 448X48 pixels and 384x48 pixels file?

    Have you considered some kind of letterboxing? Superimpose it over a black background in one of the standard outputs? I ran into this kind of problem a few years ago when I was given video output from Camtasia. Oddball screen sizes and frame rates. Truthfully I never had a perfect solution but got it close enough.
  •  08-20-2009, 8:46 331044 in reply to 330898

    Re: How do you export to avi 448X48 pixels and 384x48 pixels file?

    If you're dealing with 448 (or 384) x 48 sized frames, then this isn't for DV. I'm presuming it's for a computer based presentation (Powerpoint, Web, etc.) Is the original source material in this sized frame, or just the output? Also, what is the final output format supposed to be? I'm presuming that because of the odd size that this is something like a banner for a web page or a Powerpoint presentation.

    The reason for knowing the output format is there are free tools out there that can get you what you want, but which tool depends on what you're ultimately doing.

  •  08-20-2009, 9:22 331057 in reply to 331044

    Re: How do you export to avi 448X48 pixels and 384x48 pixels file?

    You are right it is for a banner to be screened outdoor. The file format should be avi. The source materials are a mixed of mini dv and hdv.

    Arikw

  •  08-20-2009, 10:51 331083 in reply to 331057

    Re: How do you export to avi 448X48 pixels and 384x48 pixels file?

    AVI isn't a media format. AVI's are wrapper files. Inside an AVI you can have uncompressed media, DV, MPEG-2, M-JPEG, etc. These are the CODECs (COmpressor/DECompressor). Some CODECs like DV have very strict rules as to the size of the frames, framerate, bitrate, etc. Also, just because you're using an AVI doesn't mean that the computer can play whatever is in that AVI. You can create AVIs that have media streams in a CODEC that the computer doesn't understand. It's still a valid AVI.

    And here's also where you run into problems with Liquid. Liquid was designed to handle video for broadcast. As such it support the typical broadcast frame sizes (these are defined by various national and international organizations). It's not designed to edit in any random frame size or frame rate. What you really want to do is to edit your clips and then crop to the final frame size, but Liquid will inisist on resizing to the final frame size instead of cropping. That's why you're seeing distortion in the final output.

    Do you know if the final source will be played back on a Windows system? If yes, then you can edit in Liquid, fuse to DV (which will place the 448/384 x 48 frame centered in a 720x480 frame), then encode to a WMV using the free Windows Media Encoder. This both lets you specify the final output size and crop the source file to the final size. That gets you exactly what you want (and this is a workflow I've used myself). 

  •  08-20-2009, 13:13 331124 in reply to 331083

    Re: How do you export to avi 448X48 pixels and 384x48 pixels file?

    Dave

    Thank you very very much for your very detailed and useful explanation.

    Arikw

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