interpolationseinrichtung, audiowiedergabeeinrichtung, interpolationsverfahren and interpolationsprogramm

摘要

Interpolation,Comprehensive:a tape extraction shochpass filter for extractionof frequency components with a predetermined lower limit frequencyor larger thanReproduction data digitizing an audio wave format signalhave been obtained;a multiplier to match the tape extraction socket filterto subject extracted frequency components to a frequency shift;oneHigh pass filter with suppressedlower area of the wave band to the frequency components ina lower area of the wave band at the frequency componentsto suppress,which are subject to frequency displacement by the multiplier;andan adder to the frequency components afterwardsto oppressionthrough the high-pass filter with suppressed lower area of the wave bandadd to the frequency components of the reproduction data.