參數(shù)資料
型號： PS9702B
廠商： Electronic Theatre Controls, Inc.
英文描述： 6Ch, 24bit, 192kHz Digital Audio Processor for Full Digital Amplifier
中文描述： 6通道，24位，192kHz的數(shù)字音頻處理器的全數(shù)字放大器
文件頁數(shù)： 32/41頁
文件大?。?/td> 505K
代理商： PS9702B
PULSUS
PS9702B
Copyright 2000-2003, Pulsus Technologies Inc
.
32
2003 REV1.2
Register Name
Address
Word
Length
Description
Coefficient for Bass Management Low Pass Filter Registers
BM_LPF_A1
0xEC
3 Bytes
-A1 coefficient for Bass Management Low pass filter.
The filter is an equally cascaded bi-quad filter (4
th
order filter). A0 coefficient is fixed
at value 1. Sampling Frequency of the filter is 192KHz.
H(z) = (B0 + B1
·
z
-1
+ B2
·
z
-2
)
2
/ (1 + A1
·
z
-1
+ A2
·
z
-2
)
2
3.21 format (3 bits for the integer part and 21 bits for the fractional part).
Default = 0x3FD273 (120Hz Low pass filter)
BM_LPF_A2
0xED
3 Bytes
-A2 coefficient for Bass Management Low pass filter.
3.21 format (3 bits for the integer part and 21 bits for the fractional part).
Default = 0xE02D6D (120Hz Low pass filter)
BM_LPF_B0
0xEE
3 Bytes
B0 coefficient for Bass Management Low pass filter.
3.21 format (3 bits for the integer part and 21 bits for the fractional part).
Default = 0x000008 (120Hz Low pass filter)
BM_LPF_B1
0xEF
3 Bytes
B1 coefficient for Bass Management Low pass filter.
3.21 format (3 bits for the integer part and 21 bits for the fractional part).
Default = 0x000010 (120Hz Low pass filter)
BM_LPF_B2
0xF0
3 Bytes
B2 coefficient for Bass Management Low pass filter.
3.21 format (3 bits for the integer part and 21 bits for the fractional part).
Default = 0x000008 (120Hz Low pass filter)
Coefficient for Bass Management High Pass Filter Registers
BM_HPF_A1
0xF1
3 Bytes
-A1 coefficient for Bass Management High pass filter.
The filter is a bi-quad filter. A0 coefficient is fixed at value 1.
H(z) = (B0 + B1
·
z
-1
+ B2
·
z
-2
) / (1 + A1
·
z
-1
+ A2
·
z
-2
)
Sampling Frequency of the filter is 192KHz.
3.21 format (3 bits for the integer part and 21 bits for the fractional part).
Default = 0x3FD273 (120Hz High pass filter)
BM_HPF_A2
0xF2
3 Bytes
-A2 coefficient for Bass Management High pass filter.
3.21 format (3 bits for the integer part and 21 bits for the fractional part).
Default = 0xE02D6D (120Hz High pass filter)
BM_HPF_B0
0xF3
3 Bytes
B0 coefficient for Bass Management High pass filter.
3.21 format (3 bits for the integer part and 21 bits for the fractional part).
Default = 0x1FE93F (120Hz High pass filter)
BM_HPF_B1
0xF4
3 Bytes
B1 coefficient for Bass Management High pass filter.
3.21 format (3 bits for the integer part and 21 bits for the fractional part).
Default = 0xC02D82 (120Hz High pass filter)
BM_HPF_B2
0xF5
3 Bytes
B2 coefficient for Bass Management High pass filter.
3.21 format (3 bits for the integer part and 21 bits for the fractional part).
Default = 0x1FE93F (120Hz High pass filter)
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