Acoustic signal processing method and apparatus

Details Acoustic signal processing method and apparatus Acoustic signal processing method and apparatus

1995-12-21

1998-09-22

Isen, Forester W.

Electrical audio signal processing systems and devices

Sound effects

381 1, 381118, 36472413, 36472416, H03G 300

Patent

active

058126775

ABSTRACT:
Main voice processing is performed on an acoustic signal at a basic sampling frequency fs within one period of the basic sampling frequency fs to allow the main voice processing implemented acoustic signal to undergo down-sampling for implementing voice processing for acoustic effect to the acoustic signal at another sampling frequency 1/2 fs or one half the basic sampling frequency to allow the acoustic signal which has been subjected to voice processing for acoustic effect to undergo up-sampling and thus to continuously carry out the main voice processing by the basic sampling frequency fs and the voice processing for acoustic effect by another sampling frequency 1/2 fs.

REFERENCES:
patent: 3717754 (1973-02-01), Buzzard et al.
patent: 5034909 (1991-07-01), Hartley

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