Introduction, 9374-series cards functional description, Audio/rs-485 ltc function (option +ltc) – Cobalt Digital COMPASS 9374-EMDE Quad-Stream SDI – AES – MADI Embedder_De-embedder User Manual

Page 13: See figure 1-3. ) option

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937X-OM (V1.3)

9374-SERIES PRODUCT MANUAL

1-9

Introduction

9374-Series Cards Functional Description

Figure 1-2 Timecode Processor (One Channel Shown)

Audio/RS-485 LTC Function (Option +LTC)

Note:

+LTC function is an optional licensable feature. This function and its controls
appear only when a license key is entered and activated. (This option (identi-
fied in Cobalt

®

price lists as +LTC) can be purchased upon initial order, or

field-activated using a key string which is sent to you when this option is pur-
chased.)

(See Figure 1-3.) Option

+LTC

allows bidirectional transfer and conversion

between SMPTE 12M VANC formats over SDI and audio LTC, as well as
RS-485 LTC. Audio LTC can be received or sent over digital audio using
selected embedded or AES channel, as well as via two RS-485 ports on the
card.

RS-485/Audio LTC can be derived from each card SDI channel VANC
timecode.

Frame

Reference

SDI VITC

Waveform

Detect/Extract

SDI ATC_LTC

Detect/Extract

SDI ATC_VITC

Detect/Extract

Priority/

Select

Program

Video

Input

SDI VITC

Timecode

Proc/Embed

ATC_VITC

Timecode

Proc/Embed

ATC_LTC

Timecode

Proc/Embed

Insert

Control

Line

Number

Control

Buffer/

Format

Output Video

Free Run

(Internal Count)

Ref VITC

Waveform

Detect/Extract

Audio LTC

Select/Extract

Audio/

RS-485 LTC

Audio/RS-485
LTC Generate

Audio LTC Out

RS-485 LTC Out

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