Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent
1985-06-20
1989-06-06
Kemeny, Manuel S.
Electrical audio signal processing systems and devices
One-way audio signal program distribution
Public address system
G06F 1100, G10L 100
Patent
active
048378275
ABSTRACT:
A method for transmitting two independent types of information over a transmission path having a transmitter side and a receiver side, a storage unit and a multiplexer device including sampling and time-compressing a first information type on the transmitter side by means of a fast clock for generating time gaps, and transmitting the first information type on the transmitting path, transmitting a second information type within the time gaps over the transmission path, the first and second information type is read on the receiver side and recovered by time expansion using a slow clock. The first signal is interim-stored on the receiver side under the control of the slow clock and by generation of the time gap, under control of the fast clock frequency. Shift frequencies are derived from the first and second clock frequencies, alternatingly addressing the storage unit through the multiplexer device with the shift frequencies, and deriving multiplexer signals from the fast and slow clock frequencies, and an apparatus for carrying out the method.
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Bardl Artur
Lindner Manfred
Greenberg Laurence A.
Kemeny Manuel S.
Lerner Herbert L.
Lynt Christopher H.
Siemens Aktiengesellschaft
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