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Re: HD to SD

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Re: HD to SD
by walter biscardi on Jul 8, 2008 at 2:15:19 am

[Kevin Reopelle] "I have tried this already an noticed something was odd when it came to patterns of horizontal lines. I'm not sure if it is a loss of quality from the scaling, or if it is because the HD video has too much detail to cram into SD video resolution. Any ideas on how to work around this? "

That is interlacing on your SD video timeline. HD video is upper field first, SD (NTSC) is lower field first so the fields get reversed. If your HD video is progressive, then those frames are separated into fields in SD.

This has to be done correctly by the software or hardware to achieve a clean look on the SD output. FCP does a fair job of this by itself, most of the time you get some ugly field interlace issues. Compressor does a better job. Hardware, such as the AJA Io and Kona series do this the best as far as anything you can connect to FCP.



Walter Biscardi, Jr.
Biscardi Creative Media
HD and SD Production for Broadcast and Independent Productions.

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Current Message Thread:
  • HD to SD by Martin Leeuwner on Jul 3, 2008 at 1:39:56 am
    • Re: HD to SD by David Battistella on Jul 3, 2008 at 3:19:54 am
      • Re: HD to SD by Martin Leeuwner on Jul 3, 2008 at 4:02:50 am
        • Re: HD to SD by Don Greening on Jul 3, 2008 at 4:31:52 am
          • Re: HD to SD by Kevin Reopelle on Jul 7, 2008 at 10:03:04 pm
            • Re: HD to SD by walter biscardi on Jul 8, 2008 at 2:15:19 am
            • Re: HD to SD by Don Greening on Jul 8, 2008 at 6:47:25 am
          • Re: HD to SD by Martin Leeuwner on Jul 8, 2008 at 8:32:11 pm

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