Grass Valley iTX System v.2.6 - Manual (Page 159)

Configuring channels
An Encoding profile (created as normal) is assigned to the channel along with the ‘record mode’
required. Default Encode Profiles can be used but new profiles for use with Secondary Record
can be specially created via the ‘Edit Profile’ option.
There are four record modes available:
• Complete – Captures the video/audio exactly as it plays to air including all iTX keyed
graphics and inserted data.
• Before Branding – Captures the video with iTX inserted data (subtitles, AFD
information etc.) but without any keyed graphics
• Before All – Captures the video without any iTX keyed graphics or inserted data.
• Channel Output – This can be used to record the downstream output of the channel,
but requires some special considerations as detailed below:
1. Instead of writing rendered frames straight to file, the Encoder records the
feed to the second video input of the AJA card. So the downstream output
required to be captured (post graphics or data insertion chain) must be ‘hard
wired’ to the second input. Without a valid video signal being sent to the
input, the secondary record will fail.
2. This mode means the AJA card MUST have two input connectors. The first for
the feed used for live events and the second used to encode the channel’s
downstream output. Therefore only two models of AJA card are supported
for this mode – the Dual Corvid and the Kona 3G.
Master/Slave channels: When a secondary record is scheduled on a master/slave channel pair
the slave channel will capture the event with the asset name specified in the schedule as per
the master but with a ‘-backup’ suffix added to the asset name.
NOTE:
• Secondary record is not allowed on a channel that uses a local iTX Encoder for the
purpose of IP Simulcast or Output Server 2 Simulcast.
Using the Configure Output Server dialog (Output Server 1 only)
Clicking Configure Output Server under the Channel Config 4 tab causes the Configure Output
Server dialog to appear. Through this dialog, you set properties that control the processing of
the transmission signal and the delivery of the signal from the Output Server machine. The
dialog has two distinct halves, which we describe here.
Note:
• This section is only available to channels running the Output Server 1 service. For
channels running Output Server 2 see the Output Server 2 Channel Configuration Guide.
March 2015 System Administrator Guide Page 159 of 404