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H.264 frame size 720x480 or 720x486?
Which frame size should I use for SX? 720x480 or 720x486? The spec sheet I received from the engineer noted that the frame size for all video formats is 720x486, but as I was looking for a recommended setting for Compressor I noticed that the frame size in the recommended settings was 720x480. Please advise, Thanks
I’m confused
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Inappropriate?Kris,
Sorry for the confusion. We do indeed play back at 720x486, but generally don't have an issue with 720x480 depending on whats doing the encoding.
-Chad -
Inappropriate?Thanks Chad, Do you know how cablecast handles the video in a 720x480 situation. Does it scale the video, up-rez by interpolating fields, or does it place the 480 lines in the 486 frame?
Encoding is handled by Episode or Compressor, and I have seen soft looking video and Macroblock artifacts on screen with an mpeg-2 file at 720x480. I have a feeling that this is a compression issue and not the playback off the server. I just wanted to make sure I know how the server handles the video on playback.
Thanks again,
Kris
I’m undecided
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Inappropriate?Kris,
The SX places 480 lines in the 486 frame. I actually did see an issue we're addressing with Progressive video at 480 that I was able to resolve by having the customer change her encodes to Bottom Field First. It didn't quite look fuzzy but had what I'd describe as a film effect.
-Chad
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