Si47xx-EVB
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
Codec Precision
Codec Output Format
Codec Sampling Rate
Codec Channel Swap
Codec Invert Clock
SPDIF Output Format
SPDIF Invert Clock
Description
Misc.
Precision of the CODEC on baseboard in bits.
Format of audio output through the Codec.
Sampling rate for the Codec in kHz.
Determines if channels need to be swapped on the
Codec.
ON inverts the digital clock.
Format of audio output through the SPDIF.
ON inverts the digital clock.
Rev. 0.8
Range
16-bit, 20-bit, 24-bit
I 2 S, Left-Justified, DSP(MSB
on 1 st DCLK), DSP(MSB on
2nd DCLK)
32 kHz, 48 kHz
ON, OFF
ON, OFF
I 2 S, Left-Justified
ON, OFF
73
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