On 2020-09-30 20:36, Mark Filipak (ffmpeg) wrote:
Continuing with relatively non controversial entries:
d-NTSC [noun]: 1, The digital equivalent of NTSC distinguished by
binary metadata:
720 samples/row: 'horizontal_size_value' = 0010 1101 0000
'horizontal_size_extension' = 00
480 rows: 'vertical_size_value' = 0001 1110 0000
'vertical_size_extension' = 00
4:3 DAR: 'aspect_ratio_information' = 0010
30/1.001 FPS: 'frame_rate_code' = 0100
'progressive_sequence' = 0 & 'progressive_frame' = 0
d-PAL [noun]: 1, The digital equivalent of PAL distinguished by binary
metadata:
720 samples/row: 'horizontal_size_value' = 0010 1101 0000
'horizontal_size_extension' = 00
576 rows: 'vertical_size_value' = 0010 0100 0000
'vertical_size_extension' = 00
4:3 DAR: 'aspect_ratio_information' = 0010
25 FPS: 'frame_rate_code' = 0011
'progressive_sequence' = 0 & 'progressive_frame' = 0
It seems to me that these are no longer glossary entries — or, only the
first line of each is a glossary entry. The rest seems to be a
description of a data structure or representation. The entry doesn't say
to what format or specification the representation applies. To an MPEG-2
video? To a the ISO file corresponding to a DVD?
—Jim DeLaHunt
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