Edje-2000
Real Time MPEG 2 Streaming Encoder
Version 1.3
Adtec Digital, Inc. USA
Page 27 of 27
A GOP defines the image frame structure. GOP options with Program ID
(PID) settings for Transport Stream multiplex.
GOP Type
Open
Allows B and P frames to reference across I
frame boundaries
Closed
Limits the reference to within I frame
boundaries.
GOP Structure
IBBP
Typical long GOP structure providing the
highest efficiency encoding.
IBP
Lower latency version of long GOP that
provides similar efficiency to IBBP
IP
Low latency GOP with poor efficiency
I
I frame only GOP, very poor efficiency
requiring very high data rates for quality
images