Multiple input audio program system

Multiple input sound amplifying and activation system including at least two microphones where an input channel is provided for each microphone. Each input channel provides a rectified signal to a summing device which sums the signals from the channels to generate a reference signal. Each input chan...

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Bibliographische Detailangaben

Hauptverfasser:	PONTO, ROBERT A, MARTIN, HARDISON G
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY BROADCAST COMMUNICATION CONTROL OF AMPLIFICATION DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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