Cirrus Logic CRD49530-USB - Manual (Page 29)

Changing Audio Input Source
CRD49530-USB User’s Manual
DS705RD3 Copyright 2008 Cirrus Logic 4-4
4.3 Changing Audio Input Source
The active audio input to the CRD49530 is selected through the “Audio In” block in DSP Composer, this is
done by right-clicking on the “Audio In” block and selecting Device Properties, as illustrated in
Figure 4-4 .
Figure 4-4. CRD49530 Audio In Properties
This dialog allows the user to set the following parameters for the CS4953xx:
• Input Source - S/PDIF, Analog or USB
• Audio Data Format - I
2
S, LJ, etc.
4.3.1 S/PDIF Audio Input
The CRD49530 has four different S/PDIF input jacks. The active S/PDIF input is selected using the SPDIF
RX Device Properties dialog box in DSP Composer, as illustrated in
Figure 4-5 . Double-click on the
“Audio In” block, then select the SPDIF block. Right-clicking the SPDIF block and selecting Device
Properties, will display the SPDIF Rx Properties dialog.
Figure 4-5. CRD49530 S/PDIF Rx Properties