參數(shù)資料
型號(hào)： CXD2719Q
廠商： Sony Corporation
英文描述： Single-Chip Dolby Pro Logic Surround Decoder(單片杜比環(huán)繞邏輯譯碼器)
中文描述： 單片杜比定向邏輯環(huán)繞聲解碼器（單片杜比環(huán)繞邏輯譯碼器）
文件頁(yè)數(shù)： 34/58頁(yè)
文件大?。?/td> 450K
代理商： CXD2719Q
– 34 –
CXD2719Q
(6)-3. Modified Dolby B-type NR
[Relevant data] Coefficients: aslw (b5H), 2D (b7H), KiA (d6H), Kia (dcH), Kis (ddH), Kdlb (faH)
The aslw and 2D coefficients and the ON/OFF coefficient Kdlb must be set for Modified Dolby B-type NR.
This function is turned on and off by setting Kdlb as shown in Table 8-1-11. The aslw and 2D coefficient values
differ according to the Dolby level, prefilter and coefficient Kia/Kis (KiA) conditions. Table 8-1-12 shows typical
setting value examples based on these three conditions. The prefilter gain (= –3.52dB) is the value when using
the Application Circuit given in these specifications.
Consult your Sony representative with regard to use under conditions other than those noted in Table 8-1-12.
Coefficient
Kdlb (faH)
OFF = 0000H
ON = 2000H
Prefilter
Dolby level
Kia (dcH)
Kis (ddH)
aslw (b5H)
2D (b7H)
Table 8-1-11. Modified Dolby B-type NR ON/OFF Setting
Table 8-1-12. Modified Dolby B-type NR Coefficient Value Examples for Different Input Level Conditions
(during digital input: KiA (d6H) = 8000H)
(6)-4. Volume
[Relevant data] Coefficient: KS (f8H)
The KS (f8H) volume values are as shown in Table 8-1-8. See "5. Center Mode Control" for the calculation
method.
–3.52dB
–3.52dB
–3.52dB
(Digital input)
300mVrms
300mVrms
200mVrms
–20dBFS
d2b2H
c000H
d2b2H
0000H
0000H
0000H
0000H
a563H
00caH
009eH
00caH
00caH
0033H
004aH
0023H
0023H
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參數(shù)描述
CXD2720Q 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Digital Signal Processor for Karaoke
CXD2720Q-2 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Dolby Pro Logic Surround Decoder
CXD2721Q-1 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Digital Signal Processor for Karaoke
CXD2724AQ-1 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Dolby Pro Logic Surround Decoder
CXD2724AQ-3 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Dolby Pro Logic Surround Decoder
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