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Where can I find the 2007 April Freeze Frame question ?

Last post 03-31-2009 4:19 PM by clajoie. 1 replies.
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  • 03-20-2008 6:00 AM

    • yoelp
    • Top 100 Contributor
    • Joined on 03-20-2008
    • Posts 1

    Where can I find the 2007 April Freeze Frame question ?

     

  • 03-31-2009 4:19 PM In reply to

    • clajoie
    • Top 10 Contributor
    • Joined on 01-16-2008
    • Overland Park, Kansas
    • Posts 67

    Re: Where can I find the 2007 April Freeze Frame question ?

     It looks like our Freeze Frame question from April 2007 isn't actually online, but it's on page 6 of the isse (and the ezine, for that matter) and I've reproduced it below:

     Find six mistakes in the table of video raster sizes. Information taken from "A Practical Guide to Video and Audio Compression" by Cliff Wootton, available from Focal Press.

    System

    Visual

    width

    Visual

    height

    Aspect

    ratio

    Raster

    width

    Raster

    height

    Scanning

    type

    525i30

    720

    525

    4:3

    780

    525

    Interlaced

    625i25

    720

    625

    4:3

    864

    625

    Interlaced

    625i25Wide

    780

    576

    16:9

    864

    625

    Interlaced

    720p60

    1280

    720

    16:9

    1650

    750

    Progressive

    1080i25

    1920

    1080

    14:9

    2640

    1125

    Progressive

    1035i30

    1920

    1035

    17:9

    2200

    1125

    Interlaced

    1080p60

    1980

    1080

    16:9

    2200

    1125

    Progressive

    1080p25

    1920

    1080

    16:9

    2640

    1125

    Progressive

    1080p24

    1920

    1080

    16:9

    2750

    1180

    Progressive

     
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