Digital audio signal processor with harmonics modification

Details Digital audio signal processor with harmonics modification Digital audio signal processor with harmonics modification

1996-01-18

1998-11-24

Isen, Forester W.

Electrical audio signal processing systems and devices

Sound effects

381 98, H03G 300

Patent

active

058418750

ABSTRACT:
The audio signal processor has a harmonics modifier for processing an input audio signal to produce an output audio signal. The harmonics modifier is comprised of translating means for sequentially translating the input audio signal into an address signal according to a sampled amplitude of the input audio signal. Memory means is provided for storing an input/output conversion table containing amplitude values in addressable manner. Conversion means operates for accessing the memory means in response to the address signal to effect input/output conversion to read out a sequence of the amplitude values which form the output audio signal containing desired harmonic components according to results of the input/output conversion.

REFERENCES:
patent: 4987381 (1991-01-01), Butler
patent: 4991218 (1991-02-01), Kramer
patent: 4995084 (1991-02-01), Prichard
Advertisement on Oct., 1980 Guitar Player, p. 19, for Ibanez UE-400 and Service Manual for UE-400.

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