
DS618F2
39
CS4382A
6.6.2
ATAPI Channel Mixing and Muting (ATAPI)
Default = 01001 - AOUTAx=aL, AOUTBx=bR (Stereo)
Function:
The CS4382A implements the channel mixing functions of the ATAPI CD-ROM specification. The ATAPI
functions are applied per A-B pair. Refer to
Table 7 and
Figure 14 for additional information.
ATAPI4
ATAPI3
ATAPI2
ATAPI1
ATAPI0
AOUTAx
AOUTBx
000
00
MUTE
000
01
MUTE
bR
000
10
MUTE
bL
0
1
MUTE
b[(L+R)/2]
001
00
aR
MUTE
001
01
aR
bR
001
10
aR
bL
0
1
aR
b[(L+R)/2]
010
00
aL
MUTE
010
01
aL
bR
010
10
aL
bL
0
1
0
1
aL
b[(L+R)/2]
011
00
a[(L+R)/2]
MUTE
011
01
a[(L+R)/2]
bR
011
10
a[(L+R)/2]
bL
0
1
a[(L+R)/2]
b[(L+R)/2]
100
00
MUTE
100
01
MUTE
bR
100
10
MUTE
bL
1
0
1
MUTE
[(aL+bR)/2]
101
00
aR
MUTE
101
01
aR
bR
101
10
aR
bL
1
0
1
aR
[(bL+aR)/2]
110
00
aL
MUTE
110
01
aL
bR
110
10
aL
bL
1
0
1
aL
[(aL+bR)/2]
111
00
[(aL+bR)/2]
MUTE
111
01
[(aL+bR)/2]
bR
111
10
[(bL+aR)/2]
bL
1
[(aL+bR)/2]
Table 7. ATAPI Decode