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Gop structure option – TANDBERG E5714 User Manual

Page 120

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Operating the Equipment Locally

Page 4-42

Instruction Manual: evolution 5000 E57xx DSNG and DENG Voyager Encoder

ST.TM.E10076.3

Table 4.37: AFD Information

Video
Input

Encoder
Video Index
Extraction

Encoder AFD off

Encoder AFD on

Encoder AFD on (No action
on Error)

Sequence_header
aspect_ratio_infor
mation

AFD user_data()
active_format

sequence_header
aspect_ratio_infor
mation

AFD user_data()
active_format

sequence_header
aspect_ratio_infor
mation

AFD
user_data()
active_format

Present

ON

Aspect ratio from
Video Index

Not present

Aspect ratio from
Video Index

AFD value from
Video Index

Aspect ratio from
Video Index

AFD value
from Video
Index

Present

OFF

Encoder setting

Not present

Encoder setting

0 (Active region is
the same as
encoded frame)

Stays at last
aspect ratio
extracted from
Video Index

Stays at last
value
extracted
from Video
Index (This
could be 0)

No input
or
Present but no
Video Index data

ON

Encoder setting

Not present

Encoder setting

0 (Active region is
the same as
encoded frame)

Stays at last
aspect ratio
extracted from
Video Index

Stays at last
value
extracted
from Video
Index (This
could be 0)

No input
or
Present but no
Video Index data

OFF

Encoder setting

Not present

Encoder setting

0 (Active region is
the same as
encoded frame)

Stays at last
aspect ratio
extracted from
Video Index

Stays at last
value
extracted
from Video
Index (This
could be 0)

GOP Structure Option

To access the Group of Pictures (GOP) Structure option, press the GOP

Structure softkey in the Video Encoder Menu.

Table 4.38: Group of Pictures Structure Options

Selected Option

Description

IBBBP

(IBBBPBBBPBBBI).

IBBP

for successive B frames (IBBPBBPBBPBBPI) – default.

IBP

for operation with B frames (IBPBPBPBPBPI).

IP

for non-B frame operation (IPPPPPPPPPPI) - default for low delay mode.

IBBB

(IBBBIBBBIBBBIBBB) - professional editing standard.

IBB

IBBIBBIBBIBBIBBIBBI) - professional editing standard.

IB

(IBIBIBIBIBIBIBIBIB) - a professional editing standard.

I-Frame

(IIIIIIIIIIIIIII) - for precise editing and compression.

NOTE…
For some GOP changes operation can be seamless but this is not guaranteed.

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