Cobalt-digital COMPASS 9363 Multi-Format Reference Generator Instrukcja Użytkownika Pobierz pdf (Strona 13)

9363-OM (V1.2) 9363 PRODUCT MANUAL 1-9

Introduction 9363 Functional Description

AES Audio Output Channel Status Data

Table 1-2 lists the channel status information that is encoded into the AES

audio data outputted by the 9363.

Note: The AES channel status settings outputted by the card are non-configurable.

9363 Rear I/O Modules

The 9363 physically interfaces to system video connections at the rear of its

frame using a Rear I/O Module.

All inputs and outputs (except frame distributed reference signals

Frame Ref 1

and

Frame Ref 2) shown in the 9363 Functional Block Diagram (Figure 1-1)

enter and exit the card via the card edge backplane connector. The

Rear I/O Module breaks out the 9363 card edge connections to BNC

connectors that interface with other components and systems in the signal

chain. See “Installation”, Chapter 2 for Rear I/O Module connections.

Table 1-2 AES Audio Output Channel Status Data

Byte Bit/Function Configured Setting

00 –

1 –

2-4 –

5 –

6-7 –

Professional or Consumer use of Channel Status Block

Normal Audio or Non-Normal Audio

Emphasis

Lock Indication

Sampling Rate

Professional (1)

Normal Audio (0)

No Emphasis (100)

Not Indicated (0)

48 kHZ (01)

10-3 –

4-7 –

Channel Mode

User Bit Mode

2-channel Mode (0001)

192-bit (0001)

20-2 –

3-5 –

6-7 –

Aux Bit Usage

Sample Word Length

Alignment Level

24-bit audio sample; aux bit audio (001)

24-bits (101)

Not Indicated (00)

30-7 – Multi-channel Modes Undefined (0)

40-1 –

2 –

3-6 –

7 –

Digital Audio Reference Signal (DARS)

Reserved

Sampling Frequency

Sampling Frequency Scaling Flag

Not a reference (0)

Not Indicated (0000)

No Scaling (0)

50-7 – Reserved Unused (0)

6-9 ASCII Source ID Unused (0)

10-13 ASCII Destination ID Unused (0)

14-17 Local Sample Address Unused (0)

18-22 Time of Day Unused (0)

22 0-7 – C Data Reliability All status bytes marked as Reliable

23 0-7 – CRC Calculated CRC

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 35 36

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