TANDBERG E5714 DSNG Voyager, Reference Manual

Page: 120 / 314

Operating the Equipment Locally — Video Menu: Video Encoder Menu
Page 4-42 Reference Guide: E57xx DSNG and DENG Voyager Encoder
ST.RE.E10076.3
Aspect Ratio Option
This option does not affect the image processing.
Table 4.29: Aspect Ratio Options
Selected Option Description
1, 0 Video image is encoded at 1:1 aspect ratio. Not currently used.
4:3 Video image is encoded at 4:3 aspect ratio. Default.
16:9 Video image is encoded at 16:9 aspect ratio.
2.21:1 Video image is encoded at 2.21:1 aspect ratio. Not currently used.
AFD Option
Active Format Descriptor (AFD) uses three bits of video index to define the
video format. This information is encoded into user data and can then be
used by a Decoder for wide-screen switching.
Table 4.30: AFD Options
Selected Option Description
Off No AFD data output.
On Output AFD value zero if input is lost.
On (No Action on Error) If the input is lost, carry on outputting last valid data.
NOTE…
625 line – with AFD set to On, lines 11 and 324 will be set to Video Index.
525 line – with AFD set to On, lines 14 and 277 will be set to Video Index.
Table 4.31: 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)