參數(shù)資料
型號(hào): CXD2721Q-1
廠商: Sony Corporation
元件分類: 數(shù)字信號(hào)處理
英文描述: Single-Chip Digital Signal Processor for Karaoke
中文描述: 單芯片數(shù)字信號(hào)處理器的卡拉OK
文件頁數(shù): 38/70頁
文件大?。?/td> 941K
代理商: CXD2721Q-1
– 38 –
CXD2721Q-1
7-3. Music Mode
7-3-1. Fixed Values for System Initialization
When the system is initialized, the coefficient RAM must be set to the fixed values shown below for internal operation.
Address
01H
02H
03H
10H
11H
14H
20H
55H
68A9H
5121H
0000H
8000H
82EAH
8000H
7FF7H
0000H
Fixed value
Table 7-3-1.
Note)
Consult your Sony representative with regard to use at other than fs = 44.1kHz, as the fixed values
change.
7-3-2. Setting Data
The relationships between the coefficient RAM and each function during DSP operation are as follows.
00H
04H
05H
06H
07H
08H
09H
0AH
0BH
0CH
0DH
0EH
0FH
15H
16H
Ki
Ke
DC1a1
DC1a0
DC1b
KisLm
KisRc
KiaLm
KiaRc
KisRm
KisLc
LiaRm
KiaLc
KLri
KRri
SI data input level control
De-emphasis ON/OFF
DC cut1 coefficient
DC cut1 coefficient
DC cut1 coefficient
SI CH1 data
Lch mix
SI CH2 data
Lch mix
ADC CH1 data
Lch mix
ADC CH2 data
Lch mix
SI CH2 data
Rch mix
SI CH1 data
Rch mix
ADC CH2 data
Rch mix
ADC CH1 data
Rch mix
Surround input level control (Lch)
Surround input level control (Rch)
See Table 7-3-5 (1)
ON/ac19H OFF/0000H
See Table 9-1
See Table 9-1
See Table 9-1
See Table 7-3-5 (1)
See Table 7-3-5 (1)
See Table 7-3-5 (1)
See Table 7-3-5 (1)
See Table 7-3-5 (1)
See Table 7-3-5 (1)
See Table 7-3-5 (1)
See Table 7-3-5 (1)
See Table 7-3-5 (1)
See Table 7-3-5 (1)
Table 7-3-2 (1). Coefficient RAM Setting Data (1/4)
Note)
See "8. DSP Signal Flow" regarding the symbols.
Address
Symbol
Function
Setting value
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