參數(shù)資料
型號： UDA1335H
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： Universal Serial Bus USB Audio Playback Recording Peripheral APRP
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： 14 X 20 MM, 2.80 MM HEIGHT, PLASTIC, SOT-319-2, QFP-64
文件頁數(shù)： 18/44頁
文件大?。?/td> 254K
代理商： UDA1335H
1998 Aug 28
18
Philips Semiconductors
Preliminary specification
Universal Serial Bus (USB) Audio
Playback Recording Peripheral (APRP)
UDA1335H
Bass control
The bass control is available for the master channel of the UDA1335H. The bass range is from 0 to approximately 24 dB
in steps of 2 dB. It should be noted that the negative bass values as defined in the “USB Device Class Definition for Audio
Devices”are not supported by the UDA1335H; values below 0 dB are returned as 0 dB. The corner frequency is 75 Hz.
Table 9 gives the mapping of the
bBass
value upon the actual bass setting of the USB APRP.
Table 9
Bass control characteristics
bBASS
BASS USB HOST
(dB)
BASS USB APRP
(dB)
B7
B6
B5
B4
B3
B2
B1
B0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
0
0
0
0
1
1
1
1
0
0
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
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.25
...
5.25
...
7.25
...
9.25
...
11.25
...
13.25
...
15.25
...
17.25
...
19.25
...
21.25
...
0
1.7
3.6
0
0
0
1
0
1
0
1
5.4
0
0
0
1
1
1
0
1
7.4
0
0
1
0
0
1
0
1
9.4
0
0
1
0
1
1
0
1
11.3
0
0
1
1
0
1
0
1
13.3
0
0
1
1
1
1
0
1
15.2
0
1
0
0
0
1
0
1
17.3
0
1
0
0
1
1
0
1
19.2
0
0
1
1
1
0
1
1
21.2
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