TDA9875 Philips Semiconductors, TDA9875 Datasheet - Page 57
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TDA9875
Manufacturer Part Number
TDA9875
Description
Digital TV Sound Processor DTVSP
Manufacturer
Philips Semiconductors
Datasheet
1.TDA9875.pdf
(92 pages)
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10.3.24 C
10.3.24.1 Description
This register is used to apply the contour or loudness function (physiological volume control) to the left and right signal
channels of the Main channel by means of an extra bass boost. The gain setting must be chosen in accordance with the
volume control setting for the Main channel. For example, the contour gain could be incremented for every 5 dB, or so,
of decrease of the volume setting. The 0 dB contour setting is equal to contour off.
10.3.24.2 Definition
Table 64 Subaddress 28 (note 1)
Notes
1. X = don’t care.
2. The default setting at power-up is 00000000.
10.3.25 B
10.3.25.1 Description
This register is used to apply bass control to the left and right signal channels of the Main channel.
1998 Feb 13
Digital TV Sound Processor (DTVSP)
MSB
B7
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
ASS CONTROL REGISTER
ONTOUR CONTROL REGISTER
B6
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
B5
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
(
MAIN
B4
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
)
B3
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
57
B2
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
B1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
LSB
B0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
CONTOUR GAIN
Preliminary specification
0 (note 2)
(dB)
18
17
16
15
14
13
12
10
11
TDA9875
9
8
7
6
5
4
3
2
1