Hi all
I'm trying to get to the bottom of this elusive answer.
According to digital standards, is 480p 854 wide or 848?
If you scale HD wide to be 480 high, then it works out to 853.3333. So basically to get an even number it gets rounded to 854.
BUT
According to the 16X16 block encoding standard, it should be 848 wide - that's 6 pixels less. Does that mean to stick to the 16:9 aspect that the pixels are no longer square?
The 16X16 encoding block also doesnt make sense to me then for Full HD 1920 X 1080, because 1080 isnt dividable by 16, so the encoder has to make up stuff anyways.
So,
To be technically correct, do I use 854 or 848?
I'm trying to get to the bottom of this elusive answer.
According to digital standards, is 480p 854 wide or 848?
If you scale HD wide to be 480 high, then it works out to 853.3333. So basically to get an even number it gets rounded to 854.
BUT
According to the 16X16 block encoding standard, it should be 848 wide - that's 6 pixels less. Does that mean to stick to the 16:9 aspect that the pixels are no longer square?
The 16X16 encoding block also doesnt make sense to me then for Full HD 1920 X 1080, because 1080 isnt dividable by 16, so the encoder has to make up stuff anyways.
So,
To be technically correct, do I use 854 or 848?
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