User`s guide

Si47xx-EVB
Rev. 0.8 73
6.4. CODEC and SPDIF Settings
Si47xx-EVB baseboard has a Codec and an SPDIF translator for digital audio output. For tuners with digital audio
option, you can set properties for the Codec and SPDIF through the GUI. These settings can be used with AM or
FM tuners that have digital audio enabled.
Select Window
PropertiesCODEC and SPDIF Settings.
Note: SPDIF will not be supported on new EVBs as of February 14, 2011. SPDIF properties will not be available through the
GUI in conjunction with those boards. CODEC properties will be available through Window
PropertiesCODEC
Settings.
Figure 56. CODEC and SPDIF Settings Window
Table 16. CODEC and SPDIF Settings Windows Descriptions
Items Description Range
Misc.
Codec Precision Precision of the CODEC on baseboard in bits. 16-bit, 20-bit, 24-bit
Codec Output Format Format of audio output through the Codec. I
2
S, Left-Justified, DSP(MSB
on 1
st
DCLK), DSP(MSB on
2nd DCLK)
Codec Sampling Rate Sampling rate for the Codec in kHz. 32 kHz, 48 kHz
Codec Channel Swap Determines if channels need to be swapped on the
Codec.
ON, OFF
Codec Invert Clock ON inverts the digital clock. ON, OFF
SPDIF Output Format Format of audio output through the SPDIF. I
2
S, Left-Justified
SPDIF Invert Clock ON inverts the digital clock. ON, OFF