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CXD2720Q-2 Datasheet(PDF) 32 Page - Sony Corporation

Part No. CXD2720Q-2
Description  Single-Chip Dolby Pro Logic Surround Decoder
Download  47 Pages
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Manufacturer  SONY [Sony Corporation]
Direct Link  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXD2720Q-2 Datasheet(HTML) 32 Page - Sony Corporation

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CXD2720Q-2
11. Microphone Echo Delay Amount Setting
[Relevant coefficients] Tdo (address = 44H), Tre (address = 47H)
Microphone echo delay amount can be varied by setting coefficient Tdo (12 bits from D14 to D3) values. The
relationships between the coefficient and the delay amount differ depending on fs used as shown in Table 11-1.
Coefficient Tre (12 bits from D14 to D3) is microphone input echo initial delay time.
Set in the range of 0008H to Tdo.
Table 11-1. Microphone Echo Delay Amount Setting
Setting value Tdo
0008H
0010H
0018H
·
·
·
·
7ff0H
7ff8H
0000H
4096 step
fs = 44.1kHz
0.045ms
·
·
·
·
·
·
·
·
185.760ms
0.045ms/step
setting possible
fs = 48kHz
0.042ms
·
·
·
·
·
·
·
·
170.667ms
0.042ms/step
setting possible
fs = 32kHz
0.063ms
·
·
·
·
·
·
·
·
256.000ms
0.063ms/step
setting possible
Delay


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