參數(shù)資料
型號: TDA9875
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Digital TV Sound Processor DTVSP
中文描述: SPECIALTY CONSUMER CIRCUIT, PDIP64
文件頁數(shù): 57/92頁
文件大?。?/td> 279K
代理商: TDA9875
1998 Feb 13
57
Philips Semiconductors
Preliminary specification
Digital TV Sound Processor (DTVSP)
TDA9875
10.3.24 C
ONTOUR CONTROL REGISTER
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.
2.
X = don’t care.
The default setting at power-up is 00000000.
10.3.25 B
ASS CONTROL REGISTER
(
MAIN
)
10.3.25.1 Description
This register is used to apply bass control to the left and right signal channels of the Main channel.
MSB
LSB
CONTOUR GAIN
(dB)
B7
B6
B5
B4
B3
B2
B1
B0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0 (note 2)
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