參數(shù)資料
型號： TDA9875AH
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, PQFP64
封裝： PLASTIC, QFP
文件頁數(shù)： 77/96頁
文件大?。?/td> 296K
代理商： TDA9875AH
1999 Dec 20
77
Philips Semiconductors
Product specification
Digital TV Sound Processor (DTVSP)
TDA9875A
10.3.40 B
ASS BOOST CONTROL REGISTER
This register is used to select from a few sample bass boost settings to modify the frequency characteristics of the Main
channel (shelving filter). Bits B3 to B0 apply to the left channel, bits B7 to B4 apply to the right channel. This function
must be used with care in order to avoid clipping distortion at high volume settings.
More sophisticated control of the bass boost filter can be exercised in the expert mode (see Section 10.5). The user then
has full control over this second-order filter and can, within limits, realize bass equalizers with arbitrary centre
frequencies, Q factors and boost/cut settings.
Table 83
Subaddress 45 (note 1)
Note
1.
The default setting at power-up is 0000 0000.
Table 84
Gain setting right channel
BIT
NAME
VALUE
DESCRIPTION
7 (MSB)
6
5
4
3
2
1
0 (LSB)
B7
B6
B5
B4
B3
B2
B1
B0
gain setting of right channel (see Table 84)
gain setting of left channel (see Table 85)
B7
B6
B5
B4
GAIN SETTING (dB)
CORNER FREQUENCY (Hz)
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
1
0
20
18
16
14
12
10
8
6
4
2
0
350
350
350
350
350
350
350
350
350
350
350
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PDF描述
TDA9875 Digital TV Sound Processor DTVSP
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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