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Data Sheet
INDT/R165B
INDT/R330B
Date: 2005-02-18 Revision: 1.1
Page 11 of 41
1.4 Audio Interface
The audio interface provides four serial audio channels, which are compliant to the Standard IEC958 Digital audio interface
from the EBU (European Broadcasting Union), also known as S/P-DIF Interface. It supports sampling frequencies of 44,1
kHz and 48,0 kHz. The audio data interface can be disabled to free up bandwidth for pixel data transmission.
Figure 1.7: Audio Interface
Signal
Tx
Rx
Description
AI_C0
IN
OUT S/P-DIF Audio Channel 0
AI_C1
IN
OUT S/P-DIF Audio Channel 1
AI_C2
IN
OUT S/P-DIF Audio Channel 2
AI_C3
IN
OUT S/P-DIF Audio Channel 3
Table 1.9: Audio Interface Signals
INDR
Reveiver
Audio
S/P DIF
AI_C1
AI_C0
AI_C2
AI_C3
AI_C1
AI_C0
AI_C2
AI_C3
Audio
S/P DIF
Downstream
INDT
Transmitter
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