How To Deal With The Analog Interfacing - Studer D950 Operating Instructions Manual

4.4.2.2

How to Deal with the Analog Interfacing?

Hardwired
Analog Inputs
Connections
D19m A/D
D21m A/D
D19m MicPre
D21m MicPre
External,
Remote-Controlled
& Ext. Target
MicPre Sources
Date printed: 05.08.03
"Where are the analog interfaces coming in?", you might be asking. We
still need some analog sound. Here is how we achieve that task:
The D950/Vista Patch and DSP systems only know about digital interfac-
ing, as can be seen from the following simplified block diagram:
Digital Inputs
AES/EBU
MADI
AES/EBU
MADI
To accommodate analog sources, we need to make a distinction between
• Remotely controllable devices (D19m/D21m mic pre-amps), and
• Non-controllable devices (D19m/D21m A/D and D/A converters).
The mic pre-amps have to be connected to the system using General Patch
connections, in order to establish the correct remote control and audio in-
puts. In addition, they are also hardwired to digital inputs (AES/EBU or
MADI).
All other currently available analog interfaces are only hardwired to their
digital counterpart sources.
For this reason, all microphone/line sources coming from D19m/D21m
mic pre-amps need to be patched twice (where one of these patches re-
mains the same as long as the wiring of the analog pre-amps to the digital
input is not changed):
Source
D19m Mic/Line Pre
Digital Input
Digital Inputs
AES/EBU
MADI
AES/EBU
MADI
Sources
Targets
Ext. MicPre
Input Patch
Crosspoints
Crosspoints
SW V3.3
D950/Vista Digital Mixing System
DSP Channels
Input Channels
Group Channels
AUX Channels
Master Channels
Sources
Targets
Input Patch
Crosspoints
to Target
to Ext Target
to e.g. Channel In1 Establish the connection & control link
DSP Channels
Input Channels
Group Channels
AUX Channels
Master Channels
Sources
Output Patch
Crosspoints
Digital Outputs
Targets
Sources
Output Patch
Crosspoints
Reason
Prepare the remote control link, and
Hardwired
Digital Outputs
Connections
AES/EBU
MADI
AES/EBU
MADI
Targets
GC Operation 4-23
AES/EBU
MADI
AES/EBU
MADI
Analog
Outputs
D19m D/A
D21m D/A