47
A
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4
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C
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I
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l
O
O
S
S
/
/
P
P
D
D
I
I
F
F
(
(
S
S
o
o
n
n
y
y
/
/
P
P
h
h
i
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p
p
s
s
D
D
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r
r
S/PDIF (Sony/Philips Digital Interface) is a newest audio transfer file format, which provides impressive audio quality through
optical fiber and allows you to enjoy digital audio instead of analog audio. Normally there are two S/PDIF outputs as shown, one
for RCA connector, the most common one used for consumer audio products, and the other for optical connector with better
audio quality. Through a specific audio cable, you can connect the S/PDIF connector to other end of the S/PDIF audio module,
which bears S/PDIF digital output. However, you must have a S/PDIF supported speaker/amplifier/decoder with S/PDIF digital
input to connect to the S/PDIF digital output to make the most out of this function.
S/PDIF
Connector
Pin 1
S/PDIF IN
S/PDIF OUT
S/PDIF IN
F OUT
(RCA)
S/PDIF
Cable
S/PDI
(Optical)
+5V
1
S/PDIF Module
(User Upgrade Optional)
NC
S/PDIFOUT
GND
S/PDIFIN
