PCM3793A
PCM3794A
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SLAS529A–JANUARY 2007–REVISED FEBRUARY 2007
RCP[1:0]: ALC Compression Level Control for Recording
Default value: 00
These bits are used to set the compression level for the ALC. The characteristic is shown in Figure 38.
RCP[1:0]
0 0
ALC Compression Level Control for Recording
–2 dB (default)
–6 dB
0 1
1 0
–12 dB
1 1
Reserved
RLV[1:0]: ALC Expansion Level Control for Recording
Default value: 00
These bits are used to set the expansion level for the ALC. The characteristic is shown in Figure 38.
RLV[1:0]
0 0
ALC Gain Level Control for Recording
0 dB (default)
6 dB
0 1
1 0
14 dB
1 1
24 dB
0 dB
Compression
–2, –6, –12 dB
Expansion
(0, 6, 12, 24 dB)
Input Amplitude
0 dB
M0057-01
Figure 38. Compression and Expansion Characteristics
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