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Response to 720 x 480 or 720 x 486 ?

from Broadcast Bubba (nuschool@aol.com)
Neither has an effect on the editing process, 486 is the SMPTE spec for CCIR 601 video. If your card outputs only 480, you end outputting 6 lines of black upon broadcast, this falls out of range of TV set reception so no BIGGIE !!!! Just not technically accurate. But the FCC police won't come after you. Avid must have bribed them :-)

4:3 and 16:9 do not relate to pixel dimensions. Both are at 720 x 486. It is a mathematical annomaly, BUT their is NO difference in resoultion between the differing aspect ratios.

(posted 9141 days ago)

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