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    • 7. 发明申请
    • AUDIOVISUAL SYSTEM
    • 音响系统
    • US20090046210A1
    • 2009-02-19
    • US12092049
    • 2006-10-31
    • Akifumi SakamotoMasahiko MizoguchiToshiki MurakamiAkihiro MitaniKoichi OtsukaMutsumi Itoga
    • Akifumi SakamotoMasahiko MizoguchiToshiki MurakamiAkihiro MitaniKoichi OtsukaMutsumi Itoga
    • H04N5/60
    • H04N5/60G09G5/006G09G2370/06G09G2370/12H04L12/2809H04N5/63H04N5/775H04N5/85H04N21/43615H04N21/43635
    • 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).
    • 提供了一种视听系统,其中用户在TV的内部扬声器和连接到音频放大器的外部扬声器之间进行选择的可操作性已经得到改善,从而降低了操作的负担。 当音频放大器(100A)通电时,音频放大器(100A)的控制部分(106A)判断已经选择了连接到音频放大器(100A)的外部扬声器(105)的使用,并且发送控制信号 用于经由通信装置(300)将TV(200A)的内部扬声器(205)置于静音状态到TV(200A)的控制部分(206A)。 相反,当音频放大器(100A)断电时,控制部分(106A)判断已经选择了TV(200A)的内部扬声器(205)的使用,并且发送用于取消静音状态的控制信号 经由通信装置(300)将内部扬声器(205)发送到TV(200A)的控制部分(206A)。