Reverbation imparting device

Details Reverbation imparting device Reverbation imparting device

1987-08-24

1989-02-07

Isen, Forester W.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

84DIG26, H03G 300

Patent

active

048037311

ABSTRACT:
A reverberation imparting device comprises a delay memory storing input signal data at a predetermined sampling period and producing a delay signal corresponding to time interval between writing of the input signal data and reading thereof, a plurality of address each adding delay signals read out from the delay memory, and an output section for delivering out an output of each of the adders as a reverberation signal. The delay signals are divided into groups and processed on the group basis. This simplifies the construction of the device and facilitates setting and changing of the reverberation characteristics.

REFERENCES:
patent: 4184047 (1980-01-01), Langford
patent: 4215242 (1980-07-01), Gross
patent: 4237343 (1980-12-01), Kurtin et al.
patent: 4389915 (1983-06-01), Bione
patent: 4472993 (1984-09-01), Futamase et al.
patent: 4489439 (1984-12-01), Scholz et al.
patent: 4602133 (1986-07-01), O'Neill
Chamberlin, Musical Applications of Microprocessors, 1980, p. 462.
Araseki et al., "A Microprocessor Echo Canceller" (Fourth International Conference on Digital Satellite Communications, Montreal, Canada, 23-25 (1978).

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