Adtec digital EN-30 (version 1.02.02) Manual - Manual (Page 21)

of the incoming video source.
SDI Mode This allows automatic or fixed rate
detection of SDI video signal. AUTO
SD
HD1.4G *.ECMD# SVM
Chroma Chroma Type is the color
information signal used to
determine chrominance for the
encoded video.
Note: 422 is only available for MPEG2
SD encoding 420
422 *. ECMD# CHT
Video Rate Elementary stream video rate. In
standard definition encoding mode.
(input is composite video, or SDI
auto-detected at standard
definition)
MPEG2 (VE1): 1 - 15 Mb/s
H.264 (VE2): 500 kb/s - 10 Mb/s
In high definition encoding mode.
(SDI input only and auto-detected
as 720p or 1080i)
MPEG2 (VE1): 7 - 60 Mb/s
H.264 (VE2): 2 - 30 Mb/s
MPEG2:
1 - 60 Mb/s
H.264:
0.5 - 30 Mb/s
*.ECMD# VRT
Aspect Ratio Aspect Ratio can be set to 16x9 or
4x3 when the input is a SD
resolution
16x9
4x3 *.ECMD# ARA
AFD Active Format Descriptor is data
that can be sent in a MPEG video
stream that provides information
about the aspect ratio and picture
characteristics within the stream for
cropping/letter boxing by
downstream devices. The
configuration can be set to OFF,
WSS for AFD ‘passthrough’ or
manually set.
OFF
WSS
2 - 11
*.ECMD# AFD
View AFD API
documentation for
further details of
arguments 2-11
GOP Type GOP Type can be set to open or
closed. An OPEN GOP uses
referenced pictures from the
previous GOP at the current GOP
boundary. A CLOSED GOP starts
with an I Frame and subsequent B
Frames do not rely on I or P frames
from the previous GOP.
OPEN
CLOSED
*.ECMD# GOP