[FFmpeg-user] Glossary: d-NTSC & d-PAL

Mark Filipak (ffmpeg) markfilipak at bog.us
Fri Oct 2 00:49:22 EEST 2020


On 10/01/2020 05:13 PM, Mark Filipak (ffmpeg) wrote:
> On 10/01/2020 03:21 PM, Jim DeLaHunt wrote >> OK, then I think what you have — what you put in your text attachment "d-NTSC & d-PAL .txt" in
>> your previous message — is two single-line glossary entries, conjoined with entries from a table 
>> mapping H.262 Metadata Values to video types d-NTSC and d-PAL.
-snip-
> I'll try again.

How's this look, Jim? Clear? Or muddled?

d-NTSC [noun]: The digital equivalent of NTSC. d-NTSC is distinguished
   by a frame having all 8, MPEG-PS binary metadata values below.
    'aspect_ratio_information' = 0010              [1]
             'frame_rate_code' = 0100              [1]
       'horizontal_size_value' = 0010 1101 0000    [1]
         'vertical_size_value' = 0001 1110 0000    [1]
   'horizontal_size_extension' = 00                [2]
     'vertical_size_extension' = 00                [2]
        'progressive_sequence' = 0                 [2]
           'progressive_frame' = 0                 [3]
   [1] From sequence_header
   [2] From sequence_extension
   [3] From picture_coding_extension

-- 
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African-Americans wake up in a police state every day.


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