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發表於 2021-12-11 23:46:28
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Pressing the FIR button on the front panel automatically upconverts the "Red Book" bitword resolution of all sampling rates from 16 to 24 bits. Signals sampled at 44.1kHz are upconverted to 48kHz, 88.2kHz signals to 96kHz, and 176kHz signals to 192kHz.
Pressing RDOT+FIR engages the second upconversion filter, which features a "slow rolloff curve for a more immersive sound." This feature deserves more explanation in the manual.
Pushing a third button upsamples any PCM signal to DSD resolution (1-bit words at 64Fs or 2.822MHz).
2022/1/1
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RDOT:This is a digital filter using Fluency theory. The RDOT filter hasa slow roll-off and natural extended audio characteristics and provides frequency multiplication.
FIR:This FIR-type digital filter also provides frequency multiplications . It has a sharp roll-off and firmly-defined bass characteristics.
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