Operation Manual

EF1210 B
LOCK
D
IAGRAM
ASPI Digital - The Sound of DSP Technical Support: 404.892.3200 87
EF1210 B
LOCK
D
IAGRAM
Figure 19. Inside the EF1210
Echo
Canceller
Noise
Cancellation
Mute
To Zone Output
To AEC
ECNC (Echo Canceller, Noise Cancellation)
Mic/Line
Phantom
Line
RS-232
Link
A/D
Level
adjust
Mic/Line 5
+-
ECNC
D/A
+-
A/D
Level
adjust
Mic/Line 6
+-
ECNC
D/A
+-
A/D
Level
adjust
Mic/Line 7
+-
ECNC
D/A
+-
A/D
Level
adjust
Mic/Line 8
+-
ECNC
D/A
+-
Level
adjust
Line
AEC
Reference
B
+-
Line Out
Zone 2
Output 5 Output 6 Output 7 Output 8
A/D
Level
adjust
AEC
Reference
A
+-
Line
Line Mic/Line
Phantom
Mic/Line
Phantom
Mic/Line
Phantom
Mic/Line
Phantom
A/D
Line Line Line Line
Line Out
Zone 1
Line
+-
D/A
+-
D/A
Ref. Select
A/D
Level
adjust
Mic/Line 2
+-
ECNC
D/A
+-
A/D
Level
adjust
Mic/Line 1
+-
ECNC
D/A
+-
A/D
Level
adjust
Mic/Line 3
+-
ECNC
D/A
+-
A/D
Level
adjust
Mic/Line 4
+-
ECNC
D/A
+-
Output 1 Output 2 Output 3 Output 4
Mic/Line
Phantom
Mic/Line
Phantom
Mic/Line
Phantom
Line Line Line
+ +
+
Gain
Gain
Aux
In
Rec
To
CODEC
Amix
In