Dolby digital settings – Grass Valley iTX System v.2.6 User Manual
Page 164
Configuring channels
The table below describes how the configuration of national and local breaks affects the
messages that are output:
National
break
Local
break
Description
iTX will trigger in all cases, i.e. when it receives Multiple Operation
Messages with:
•
Only a
splice_request_data
command
•
Both a
splice_request_data
and a
segmentation_descriptor_request
(for either local or national
breaks).
iTX will only trigger if a Multiple Operation Message is received with a
splice_request_data
and a
segmentation_descriptor_request
with the
segmentation_type_id
set to
National
(value 0x32).
iTX will only trigger if a Multiple Operation Message is received with a
splice_request_data
and a
segmentation_descriptor_request
with the
segmentation_type_id
set to
Local
(value 0x30).
iTX will only trigger if a Multiple Operation Message is received with a
splice_request_data
and a
segmentation_descriptor_request
with the
segmentation_type_id
set to
Local
(value 0x30) or
National
(value 0x32).
Dolby Digital settings
The right half of the dialog displays the settings for Dolby Digital audio:
March 2015
System Administrator Guide
Page 164 of 404