Cobalt-digital FUSION 3G 9901-UDX 3G_HD_SD Up Down_Cross Converte Manuel d'utilisateur télécharger pdf (Page 27)

9901-UDX-OM (V1.15) 9901-UDX PRODUCT MANUAL 1-23

Introduction 9901-UDX Functional Description

The function can monitor any combination of channels on the card internal

bus, or audio DSP output channels such as upmixed and loudness-processed

channels (channel routing to the meters is independent of any other card

routing and does not affect the channels in any way). The two loudness meters

readily allow pre and post-processed loudness processing comparison when

loudness processing is being performed by the card.

The function provides a configurable short term window for tailoring the

measurement to suit various program material conditions.

Control and Data Input/Output Interfaces

GPI Interface

Two independent ground-closure sensing GPI inputs (GPI 1 and GPI 2; each

sharing common ground connection as chassis potential) are available.

Associated with each GPI user control is a selection of one of 64 user-defined

card presets in which GPI activation invokes a card control preset. Because

the GPI closure invokes a user-defined preset, the resulting setup is highly

flexible and totally user-defined. Invoking a user preset to effect a change

involves card setup communication limited only to the items being changed;

the card remains on-line during the setup, and the called preset is rapidly

applied.

GPI triggering can be user selected to consider the activity on discrete GPI

ports, or combinations of logic states considering both GPI inputs. This

flexibility allows multistage, progressive actions to be invoked if desired.

Indication is provided showing whenever a GPI input has been invoked.

GPO Interface

Two independent SPST NO electromechanical non-referenced (floating)

contact pairs (

GPO 1/1 and GPO 2/2) are available. A GPO can be invoked by

setting a GPO to be enabled when a card preset is in turn applied (i.e., when a

preset is invoked (either manually or via event-based loading), the GPO is

correspondingly also activated.

Serial (COMM) Ports

The 9901-UDX is equipped with two, 3-wire serial ports (COM 1 - Serial

Port 1

, COM 2 - Serial Port 2). The ports allow serial metadata import and

export between optional Dolby

encoders and decoders. The ports also

provide for SMPTE 2020 de-embedding to an output port, and provide

RS-485 LTC I/O (when licensed with option

+LTC).

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Cobalt-digital FUSION 3G 9901-UDX 3G_HD_SD Up Down_Cross Converte Manuel d'utilisateur Page 27