Grass-valley iTX Output Server 2 v.2.6 Manual de usuario descargar pdf (Pagina 23)

iTX Output Server 2

Channel Configuration Guide

Upgrading to the Output Server 2 Service

Before upgrading a playout server to Output Server 2, Output Server 1 must be uninstalled.

This can be done as part of the upgrade process.

The iTX installer will convert the current channel configuration from Output Server 1 to

Output Server 2. However, the channel name is not migrated as that information is stored in

different locations on each service. To support the I/O Device Controller (which was not

present for Output Server 1), you need to select your required playout type. Therefore,

during the upgrade the iTX Channel Config dialog appears so that these details can be

entered. It is also possible make changes to the channel details, as required.

Playout timing Output Server 2’s playout is frame accurate, which means a

scheduled item may playout earlier on the Output Server 2 backup

channel compared to the Output Server 1 main, but the difference

should be marginal.

Live pass-through delay The live pass-through delay was redesigned for Output Server 2

and is different to Output Server 1. It may be possible to

synchronize the live pass-through for an Output Server 1 main and

an Output Server 2 backup by altering the delay on both channels.

For information on changing the output buffer and time delay on

Output Server 1, see the iTX System Administration Guide.

For information on changing the Channel Delay on Output Server

2, see

Configuring Channel Delay, on page 34.

Audio output types On Output Server 2, the PCM (Auto) audio output type will assign

16 channels to the track, even if not all of the channels are

required. Any unused channels will be automatically set to mute.

See About Audio Output for Output Server 2 on page 49 for more

information.

SCTE 104 Output Server 2 only supports enhanced SCTE 104. Therefore, the

Output Server 1 main will also need to be configured to use

enhanced SCTE 104.

For more information on enhanced SCTE 104 configuration for

Output Server 1, see the iTX System Administration Guide.

For more information on SCTE 104 configuration for Output Server

2, see

See Configuring a Channel to Process SCTE104 Messages on

page 38.

NTSC SD field order

Output Server 1 and Output Server 2 handle the field order for

NTSC SD assets in different ways. Output Server 1 often

required user intervention to reverse the field order on a per-

asset basis, while Output Server 2 is able to interpret this

information from the media itself. This can cause problems

when trying to playout assets that have been altered on a

mixed Output Server system.

See Honoring NTSC SD Field Orders on page 65 for more

information.

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