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dCS 974 User Manual Manual for Software Version 1.0x
dCS Ltd May 2001
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
C
ONTENTS
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