參數(shù)資料
型號: CXD2597Q
廠商: Sony Corporation
元件分類: 數(shù)字信號處理
英文描述: CD Digital Signal Processor with Built-in Digital Servo and DAC
中文描述: CD數(shù)字信號處理器,具有內(nèi)置數(shù)字伺服和DAC
文件頁數(shù): 69/115頁
文件大?。?/td> 881K
代理商: CXD2597Q
– 69 –
CXD2597Q
Normal
DBB MID
DBB MAX
10.00
–4.00
6.00
4.00
2.00
0.00
–2.00
8.00
–6.00
–8.00
–10.00
–12.00
–14.00
10
30
100
300
1k
3k
10k
30k
Digital Bass Boost Frequency Response [Hz]
[
Graph 4-12.
LRCK Synchronization
Synchronization is performed at the first falling edge of the LRCK input during reset.
After that, synchronization is lost when the LRCK input frequency changes and resynchronization must be
performed.
The LRCK input frequency changes when the master clock of the LSI is switched and the playback speed
changes such as the following cases.
When the XTSL pin switches between high and low
When the DSPB command of $9X setting changes
When the MCSL command of $9X setting changes
For resynchronization, set the LRWO command of $AX to 1, wait for one LRCK cycle or more, and then set
LRWO to 0.
When setting LRWO, set OPSL2 to 1. (See the $AX commands.)
Digital Bass Boost
Bass boost without external parts is possible using the built-in digital filter. The boost strength has two levels:
Mid. and Max. BSBST and BBSL of address A are used for the setting.
See Graph 4-12 for the digital bass boost frequency response.
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