Low-pitched sound creator

Details Low-pitched sound creator Low-pitched sound creator

1987-03-30

1988-12-06

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

381 56, 381 98, H04S 100

Patent

active

047900148

ABSTRACT:
An analog sound signal is outputted. Low-frequency components are selected from the outputted analog sound signal so that a low-pitched sound signal is derived from the analog sound signal. A key of the low-pitched sound signal is lowered so that a very-low-pitched sound signal is derived from the low-pitched sound signal. The analog sound signal and the very-low-pitched sound signal may be converted into corresponding sounds respectively.

REFERENCES:
patent: 3213180 (1965-10-01), Cookerly
patent: 3535969 (1970-10-01), Burger
patent: 4182930 (1980-01-01), Blackmer
patent: 4698842 (1987-10-01), Mackie et al.

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