Reverberant characteristic signal generation apparatus

Details Reverberant characteristic signal generation apparatus Reverberant characteristic signal generation apparatus

1995-06-07

1997-07-29

Oh, Minsun

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 61, 381 17, 84630, 84DIG26, H03G 300

Patent

active

056527985

ABSTRACT:
This reverberant characteristic signal generation apparatus comprises a measuring room where a speaker and one channel of microphone is provided to supply one channel of a pulse train indicative of the reverberant characteristic of the room, a direction data generation portion for generating direction data indicative of an imaginary incoming direction of a indirectly transmitted impulse sound, an operation portion for operating the time differences due to the inclination of the incoming direction of the indirectly transmitted impulse sound to an imaginary dummy head, having right and left ears having a distance therebetween, at the position of the microphone, and an output portion for outputting an amplitude of each pulse and the delay time of the indirectly transmitted impulse sound to the microphone and the time differences to provide the reverberant characteristic signal which may be recorded by a recorder. The pulse train may be generated by a simulation of the indirectly transmitted impulse sound wherein the parameters of the size of the room, locations of the speaker and the microphone, and the distance between the ears can be varied.

REFERENCES:
patent: 5025472 (1991-06-01), Shimizu et al.
patent: 5467401 (1995-11-01), Nagamitsu et al.
patent: 5559891 (1996-09-01), Kuusama et al.

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