Northwest Television © 2013
Program & commercial file format specifications
Video
MPEG2
29.97 fps
720x480 Anamorphic 16x9
(may be 720x512 with CC)
Interlace
9 min to 15 max mbps
CBR
Transport stream file
4-
IPPPPPP frames (to assure good timing of in/out points)
NOTE-
Audio
16 bit 48KHz, 224kbps Minimum
PROGRAMS –
12dB peak audio
Commercials (all short form)
-
LENGTH OF COMMERCIALS
Min 5 frames shorter than specified length i.e.
30 sec = 29 sec: 25 frames
28:30 = 28 min 29 sec: 25 frames
Cue sheets for Programs
Time in min sec from beginning of file to each commercial avail.
Length of black holes for local insertion
Graphics for Production
At LEAST 720x480 prefer 1920 by 1080
Should have alpha channel
RGB color
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