ml50000 Oki Semiconductor, ml50000 Datasheet - Page 17

• Manufacturer Part Number: ml50000
• Description: Echo Canceler
• Manufacturer: Oki Semiconductor

¡ Semiconductor
HOW TO USE THE ML50000
The ML50000 cancels (based on the RIN signal) the echo which returns to SIN.
Connect the base signal to the R side and the echo generated signal to the S side.
Connection Methods According to Echos
Example 1:
Example 2:
Example 3:
Microphone input
Acoustic echo
Microphone input
Canceling acoustic echo (to handle acoustic echo from line input)
Canceling line echo (to handle line echo from microphone input)
Canceling line echo in a cascade connection
(to handle line echo from microphone input)
CODEC
CODEC
CODEC
ROUT
SIN
SOUT
SOUT
RIN
RIN
ML50000
+
AFF
+
ML50000
Master
ML50000
–
–
Slave
AFF
AFF
–
+
AFF
+
+
RIN
SOUT
+
ROUT
SIN
PD0 - 15
ROUT
SIN
CODEC
CODEC
CODEC
Line echo
Line echo
H
H
H
Line input
ML50000
H
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