Phase coherent crossover

Details Phase coherent crossover Phase coherent crossover

1996-10-17

1999-07-27

Harvey, Minsun Oh

Electrical audio signal processing systems and devices

Including frequency control

Having crossover filter

H03G 500

Patent

active

059303743

ABSTRACT:
The present invention phase coherent crossover incorporates a method and apparatus for providing phase coherent crossover (PCC) signals. The PCC method and apparatus involve the utilizing of an all-pass filter for receiving an input signal and producing an all-pass signal, and a partial-pass filter also receiving the input signal and producing a partial-pass signal at a partial-pass output. The PCC method and apparatus further involve the combining of the partial-pass signal produced by the partial-pass filter with the all-pass signal produced by the all-pass filter to produce an opposite partial-pass signal at an opposite partial-pass output.

REFERENCES:
patent: 3613022 (1971-10-01), White et al.
patent: 3814857 (1974-06-01), Thomasen
patent: 4100371 (1978-07-01), Bayliff
patent: 4208548 (1980-06-01), Orban
patent: 4495643 (1985-01-01), Orban
patent: 4525857 (1985-07-01), Orban

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