dCS 974 User Manual

Manual for Software Version 1.0x

dCS Ltd

 

 

May 2001

CONTENTS

 

 

 

Product Overview ...............................................................................................

3

 

About this Manual

 

5

 

About Sample Rates

 

5

Contents ..............................................................................................................

6

Step-by-Step Guide ..........................................................................................

10

 

Preliminaries

 

10

 

Step 1 – Selecting an Input

 

11

 

Connecting to a Single AES or SPDIF source

 

11

 

Connecting to a PCM SDIF-2 source

 

11

 

Connecting to a Dual AES Source

 

12

 

Connecting to a Quad AES source

 

12

 

Connecting to a DSD SDIF-2 source

 

12

 

Connecting to a DSD Quad source

 

12

 

Step 2 – Setting the Sync Source

 

13

 

Syncing to an External Wordclock

 

13

 

Syncing to an AES/EBU Reference

 

14

 

Step 3 - Setting a Conversion

 

15

 

Format Conversion

 

15

 

Sample Rate Conversion

 

16

 

Step 4 – Connecting the Outputs

 

18

 

Connecting a Single AES or SPDIF Output

 

18

 

Connecting the SDIF-2 Output

 

18

 

Connecting the Dual AES Outputs

 

18

 

Connecting the Quad AES or DSD Quad Outputs

 

18

 

Connecting the DSD SDIF-2 or DSD SDIF-3 Output

 

18

 

Step 5 – Reducing the Output Wordlength

 

19

 

Other Settings

 

21

Typical Applications.........................................................................................

22

 

Converting a 24/96 recording to CD format

 

22

 

Demultiplexing a 24/96 Dual AES recording (Bit for Bit)

 

23

 

Upsampling a CD

 

24

 

General Sample Rate Conversion and Distribution

 

25

 

PCM to DSD

 

26

 

Using a Master Clock

 

27

 

Converting Quad AES to CD Format

 

28

 

Multi-channel Sample Rate Conversion – bit aligned sources

29

 

Multi-channel Sample Rate Conversion – Using a Master Clock

30

 

Multi-channel Sample Rate Conversion – with more alignment tolerance

31

 

Multi-channel Sample Rate Conversion – with multiple sample rates out

32

The Software – Menu and Setups ...................................................................

34

 

Navigating through the Menu – what the On-Screen symbols mean

36

 

Top Menu

 

38

 

Sample Rate Conversion

 

38

 

Format Conversion

 

39

 

Error Monitoring

 

39

 

Test

 

39

 

Info

 

39

 

Bit Activity Monitors

 

40

 

Level Meters

 

40

 

Display

 

40

 

Sample Rate Conversion / Format Conversion Submenu

41

 

Audio Input Select

 

41

 

Sync Source

 

41

 

Multiple Channel Sync

 

42

 

Input Sample Rate

 

43

 

Output Sample Rate

 

43

 

Output Mode

 

45

 

Filter

 

45

 

Output Word Length

 

46

Manual part no: DOC1241121A1

Page 6

Document No: OS-MA-A0124-112.1A1

Contact dCS on + 44 1799 531 999

email to: more@dcsltd.co.uk

(inside the UK replace + 44 with 0)

web site: www.dcsltd.co.uk