Compatible multivoice broadcasting receiver

Details Compatible multivoice broadcasting receiver Compatible multivoice broadcasting receiver

1991-07-15

1993-06-22

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

358144, H04H 500

Patent

active

052221431

ABSTRACT:
A compatible multivoice broadcasting receiver is disclosed which can receive both Korean multivoice broadcasting and American multivoice broadcasting and commonly process the one-carrier component (L+R) of Korean multivoice broadcasting and the main channel signal (L+R) of American multivoice broadcasting. In addition to the existing multivoice broadcasting receiver, the multivoice broadcasting receiver further comprises a buffer section that operates the outputs L+R signal detector, L-R and SAP signal detector, and the L-R and pilot signal detector selectively under the control of a buffer driving section, the buffer driving section operating a buffer section, an analog switch section for switching the signal transmission according to the output signal from the buffer driving section, and a matrix section for matrix-operating the output signals from the buffer section according to the output signal from the analog switch section and for outputting the left channel signal and the right channel signal.

REFERENCES:
patent: 4688252 (1987-08-01), Kufta et al.
patent: 4716589 (1987-12-01), Matsui

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