Surround mode stereophonic reproducing equipment

The invention provides surround mode stereophonic reproducing equipment for using the Dolby surround mode and another surround mode other than the Dolby mode by means of selectively switching between them. The equipment is provided with two front power amplifiers for driving front speakers on the ri...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TASAKI, AKIRA, TAKEGAWA, TOMOHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS STEREOPHONIC SYSTEMS
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Beschreibung
Zusammenfassung:	The invention provides surround mode stereophonic reproducing equipment for using the Dolby surround mode and another surround mode other than the Dolby mode by means of selectively switching between them. The equipment is provided with two front power amplifiers for driving front speakers on the right and left, and two rear power amplifiers for driving the rear speakers. The rear speakers are driven jointly by one of the rear power amplifiers while the center speaker is driven by the other power amplifier when using the Dolby surround mode, and the rear speakers are respectively driven by the two rear power amplifiers when using a surround mode other than the Dolby surround mode.