DVD Demystified

290
TABLE 6.20
Differences
between DVD and
MP@ML
MPEG Parameter DVD MP@ML
Display frame rate (525/60) 29.97 23.976, 29.97, 30
Display frame rate (625/50) 25 24, 25
Coded frame rate (525/60) 23.976, 29.97 23.976, 24, 29.97, 30
Coded frame rate (625/50) 24, 25 24, 25
Data rate 9.8 Mbps 15 Mbps
Chapter 6
Frame size (horizontal size 720 � 480,704 � 480, From 16 � 16 to 720 � 480
� vertical size) (525/60) 352 � 480, 352 � 240
Frame size (horizontal size 720 � 576, 704 � 576, From 16 � 16 to 720 � 576
� vertical size) (625/50) 352 � 576, 352 � 288
Aspect ratio 4:3, 16:9 4:3, 16:9, 2.21:1
Display horizontal size 540 (4:3), 720 (16:9) Variable
GOP maximum (525/60) 36 fields/18 frames No restriction
(30/15 recommended)
GOP maximum (625/50) 30 fields/15 frames No restriction
(24/12 recommended)
GOP header Required (first GOP Optional
in VOBU)
Audio sample rate 48 kHz 32, 44.1, 48 kHz
Packet size 2048 bytes (one logical Variable
block)
Color primaries and transfer 4 (ITU-R BT.624 M) 1, 2, 4, 5, 6, 7, (8)
characteristics (525/60) 6 (SMPTE 170 M)
Color primaries and transfer 5 (ITU-R BT.624 B or G) 1, 2, 4, 5, 6, 7, (8)
characteristics (625/50)
Matrix coefficients 5 (ITU-R BT.624 B or G), 1, 2, 4, 5, 6, 7
(RGB to YC bC r) 6 (SMPTE 170 M)
Low delay Not permitted Permitted
the duplicate fields. Therefore, it is appropriate to consider the uncompressed
film source data rate to be 99.533 Mbps (720 � 480 � 12 � 24) or
119.439 Mbps (720 � 576 � 12 � 24).