Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent
1989-06-13
1992-10-20
Kemeny, Emanuel S.
Electrical audio signal processing systems and devices
One-way audio signal program distribution
Public address system
381 51, 379 88, G10L 300, H04M 165
Patent
active
051577291
ABSTRACT:
A method and apparatus for address setting for speech recording and replay, includes an apparatus for storing a direct current (DC) voltage with a high frequency signal in the dynamic random access memory (DRAM) as an index for replay. During recording, the user can enter speech of different durations. During replay, the system automatically repeats the exact contents without any other background noise or noise speech at the end of the desired message. The apparatus includes a wave clearer, a direct current voltage generator, a high frequency signal generator, a DC voltage detecting and time setting circuit, a resetter, and a recording and replay signal generator.
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Shiau Ming-Horng
Yang Feng-Cherng
Doerrler M.
Industrial Technology Research Institute
Kemeny Emanuel S.
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