Audio signal transmitting apparatus audio signal receiving appar

Details Audio signal transmitting apparatus audio signal receiving appar Audio signal transmitting apparatus audio signal receiving appar

1996-03-13

1998-04-28

Kuntz, Curtis

Electrical audio signal processing systems and devices

One-way audio signal program distribution

381105, 359145, 455355, H04B 300

Patent

active

057455821

ABSTRACT:
An audio signal transmitting apparatus including, an audio transmission signal generating unit for adding an error correction signal to a digital audio signal and encoding and interleaving the result to generate an audio transmission signal; a continuous signal generating unit which generates a continuous signal by repeating the digital control signal to be used for the reproduction of the digital audio transmission signal a predetermined number of times; a multiplexing unit for multiplexing the audio transmission signal and the continuous signal to generate a multiplexed signal; a modulated signal generating unit for modulating the multiplexed signal by a predetermined digital modulation method to generate a modulated signal within a predetermined frequency band; and an optical signal transmitting unit for converting the modulated signal to an optical transmission signal and transmitting the same. Also, an audio signal receiving apparatus for reproducing a digital audio signal and a digital control signal from an optical transmission signal generated by the audio signal transmitting apparatus and an audio signal transmitting and receiving system using the same.

REFERENCES:
patent: 4621374 (1986-11-01), Micic et al.
patent: 4882725 (1989-11-01), Noda et al.
patent: 5220430 (1993-06-01), Han
patent: 5532556 (1996-07-01), Anderson et al.

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