Cirrus-logic CRD49530-USB Manuel d'utilisateur télécharger pdf (Page 29)

Changing Audio Input Source

CRD49530-USB User’s Manual

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

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

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Cirrus-logic CRD49530-USB Manuel d'utilisateur Page 29