Circuit for automatic selection between speech and music sound s

Details Circuit for automatic selection between speech and music sound s Circuit for automatic selection between speech and music sound s

1982-01-21

1985-09-10

Kemeny, E. S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 100

Patent

active

045411107

ABSTRACT:
Speech versus music is decided by comparing the presence of pauses greater than 32, 60 and 500 ms in the lower input spectrum, and 4 ms in the higher input spectrum.

REFERENCES:
patent: 2761897 (1956-09-01), Jones
patent: 3304372 (1967-02-01), VonFilipowsky
patent: 3864519 (1975-02-01), Owen
patent: 4028496 (1977-06-01), LaMarche
patent: 4281218 (1981-07-01), Chuang et al.
patent: 4314100 (1982-02-01), Reuther et al.
Predmore, "Speech-Music Discriminator", Rod-Elec., Sep. 1956, pp. 63-65.

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