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參數(shù)資料
| 型號(hào)： | TDA9875AH/V2,557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | PLASTIC, QFP |
| 文件頁(yè)數(shù)： | 55/96頁(yè) |
| 文件大小： | 324K |
| 代理商： | TDA9875AH/V2,557 |
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1999 Dec 20
59
Philips Semiconductors
Product specication
Digital TV Sound Processor (DTVSP)
TDA9875A
10.3.24 CONTOUR CONTROL REGISTER (MAIN)
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. This needs to be done by the microcontroller. The 0 dB contour setting is equal to
contour off.
Table 60 Subaddress 28
Note
1. The default setting at power-up is 0000 0000.
MSB
LSB
CONTOUR GAIN (dB)
B7
B6
B5
B4
B3
B2
B1
B0
00010010
18
00010001
17
00010000
16
00001111
15
00001110
14
00001101
13
00001100
12
00001011
11
00001010
10
00001001
9
00001000
8
00000111
7
00000110
6
00000101
5
00000100
4
00000011
3
00000010
2
00000001
1
00000000
0 (note 1)
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