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CXD2724AQ-3 Datasheet(PDF) 33 Page - Sony Corporation |
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CXD2724AQ-3 Datasheet(HTML) 33 Page - Sony Corporation |
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33 / 65 page  – 33 – CXD2724AQ-3 (3) Volume Coefficient Settings [Relevant data] Coefficients: KiA (d6H), Kia (dcH), Kis (ddH) The I/O levels and volumes are 2's complement format with a decimal point between D15 and D14, and hexadecimal notation with D15 as MSB and D0 as LSB. The coefficient and level relationships are as follows. ∗ D15 to D0 are negative values, but the DSP calculation is (–1) × (D15 to D0). (3)-1. Kia (dcH): 0dB = c000H The I/O levels for 8000H to ffffH are obtained by the following formulas. (Coefficient value) = [(–1) × D15 + ∑ (Dn × 2n – 15)] × (–2) I/O level = 20 log [coefficient value] dB (3)-2. KiA (d6H), Kis (ddH): 0dB = 8000H The I/O levels for 8000H to ffffH are obtained by the following formulas. (Coefficient value) = [(–1) × D15 + ∑ (Dn × 2n – 15)] × (–1) I/O level = 20 log [coefficient value] dB ∗ Unless otherwise specified, subsequent setting examples (Pro Logic mode) in these specifications assume either: Kia = d2b2H, KiA = 0000H, Kis = 0000H or: Kia = 0000H, KiA = 8000H, Kis = a563H (4) Auto Input Balance Control [Relevant data] Coefficient: Kx (d4H) The auto input balance function is turned on and off by coefficient Kx (d4H). 8000H a599H c000H d2b2H e000H eff6H ffffH 0000H D15 to D0 +6.02 +3.00 0.00 –3.00 –6.02 –12.00 –84.29 – ∞ Level [dB] 8000H a563H c000H e000H ffffH 0000H D15 to D0 0.00 –3.00 –6.02 –12.04 –90.31 – ∞ Level [dB] 14 n = 0 14 n = 0 Table 8-1-4. Kia (dcH) Setting Value Examples Table 8-1-5. KiA (d6H), Kis (ddH) Setting Value Examples Coefficient Kx (d4H) OFF = 0000H ON = 00ffH Table 8-1-6. Auto Input Balance ON/OFF |
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