AUDIOVISUAL SYSTEM

An audiovisual system is provided in which the operability of selection by a user between internal speakers of a TV and external speakers connected to an audio amplifier has been improved, thus reducing the burdensomeness of operation. When an audio amplifier (100A) is powered on, a control part (10...

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Bibliographische Detailangaben
Hauptverfasser:	MITANI, AKIHIRO, ITOGA, MUTSUMI, OTSUKA, KOICHI, SAKAMOTO, AKIFUMI, MIZOGUCHI, MASAHIKO, MURAKAMI, TOSHIKI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	An audiovisual system is provided in which the operability of selection by a user between internal speakers of a TV and external speakers connected to an audio amplifier has been improved, thus reducing the burdensomeness of operation. When an audio amplifier (100A) is powered on, a control part (106A) of the audio amplifier (100A) judges that use of external speakers (105) connected to the audio amplifier (100A) has been selected, and transmits a control signal for putting internal speakers (205) of a TV (200A) in a muted state to a control part (206A) of the TV (200A) via a communication means (300). Conversely, when the audio amplifier (100A) is powered off, the control part (106A) judges that use of the internal speakers (205) of the TV (200A) has been selected, and transmits a control signal for canceling the muted state of the internal speakers (205) to the control part (206A) of the TV (200A) via the communication means (300).