Profiles and Levels
MPEG-2 is divided into several profiles. We are concerned only with Main Profile.
Main profile features:
Non-scalable
MP@ML (Main Profile Main Level):
Designed with CCIR601 standard for interlaced standard definition digital video in mind. This is the output of current standard definition MPEG-2 decoder chips (DSS).
Upper bound:
720 x 576 (PAL) or 720 x 483 (NTSC)
30 Hz progressive, 60 Hz interlaced
Maximum bit rate is 15 Mbits/s
MP@HL (Main Profile High Level):
Upper bounds:
1152 x 1920, 60Hz progressive
80 Mbits/s
ATSC compliant formats include:
1080 x 1920, 60 Hz interlaced, 30 Hz progressive
480 x 704, 60 Hz progressive/interlaced, 30 Hz progressive
720 x 1280, 60 Hz progressive, 30 Hz progressive
480 x 640, 60 Hz progressive/interlaced, 30 Hz progressive
Maximum bit rate is 19.4 Mbits/s for terrestrial broadcast
Introduction to MPEG 2 Video Compression
Profiles and Levels