Digital acoustic reverberation filter network

Details Digital acoustic reverberation filter network Digital acoustic reverberation filter network

1996-05-30

1998-06-30

Isen, Forest W.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

84630, H03G 300

Patent

active

057745609

ABSTRACT:
A reverberation network for processing an audio signal including a plurality of wave-ladder filters, each of which simulates a corresponding reflected audio signal from wave propagation in a selected direction, wherein each of the plurality of wave-ladder filters receives as input a signal derived from the audio signal; and an adder which combines the corresponding reflected signals of the plurality of wave-ladder filters to produce a reverberation signal.

REFERENCES:
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patent: 4472993 (1984-09-01), Futamase et al.
patent: 4731848 (1988-03-01), Kendall et al.
patent: 4984276 (1991-01-01), Smith
patent: 5195140 (1993-03-01), Kudo et al.
patent: 5369710 (1994-11-01), Asai
patent: 5491754 (1996-02-01), Jot et al.

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