參數(shù)資料
型號: TEF6894H
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù): 32/55頁
文件大小: 313K
代理商: TEF6894H
2003 Oct 21
38
Philips Semiconductors
Product specication
Car radio integrated signal processor
TEF6894H
Table 44 Description of data byte CH, see Figs 16 to 19
Table 45 Loudness gain
BIT
SYMBOL
DESCRIPTION
7
Not used. Set to logic 0.
6 to 2
LDN[4:0]
Loudness gain. See Table 45.
1
LLF
Loudness low boost frequency. 0 = 50 Hz; 1 = 100 Hz.
0
LHB
Loudness high boost enable. 0 = loudness low boost is enabled; 1 = loudness low
boost and loudness high boost are enabled.
LDN4
LDN3
LDN2
LDN1
LDN0
LOUDNESS CONTROL (dB)
00000
0
00001
1
00010
2
:::::
:
10010
18
10011
19
10100
20
handbook, full pagewidth
24
20
16
12
8
4
22
18
14
10
6
2
6
4
2
0
MHC343
10
Gloudness
(dB)
faudio (Hz)
102
103
104
105
Fig.16 Loudness gain Gloudness as a function of audio frequency faudio;
low boost frequency 50 Hz and high boost on.
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