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    • 7. 发明申请
    • VIDEO/AUDIO OUTPUT DEVICE AND EXTERNAL SPEAKER CONTROL APPARATUS
    • 视频/音频输出设备和外部扬声器控制设备
    • US20110310308A1
    • 2011-12-22
    • US13216488
    • 2011-08-24
    • Sako ASAYAMAHiroshi KaseMitsuteru Kataoka
    • Sako ASAYAMAHiroshi KaseMitsuteru Kataoka
    • H04N5/60
    • H04R3/12H04N5/60H04N5/63H04N21/436H04N21/4396H04N21/44227H04N21/44231H04R27/00H04R2499/15
    • An external speaker control apparatus causes only one of an internal speaker and an external speaker to output audio when a power supply of the external speaker control apparatus which controls the external speaker changes from an off state to an on state, the external speaker being a speaker outside a video and audio output apparatus. The external speaker control apparatus includes a microcomputer for detecting the change of the power supply of an amplifier from an off state to an on state and a HDMI/CEC communication unit or outputting an instruction requesting output of information which indicates the audio output mode to the video and audio output apparatus while at the same time receiving the information indicating the audio detects the change of the power supply from an off state to an on state, wherein the microcomputer controls the output of the audio from the external speaker according to the information indicating the audio output mode.
    • 当控制外部扬声器的外部扬声器控制装置的电源从关闭状态变为接通状态时,外部扬声器控制装置仅使内部扬声器和外部扬声器中的一个输出音频,外部扬声器是扬声器 在视频和音频输出设备之外。 外部扬声器控制装置包括:微型计算机,用于检测放大器从关闭状态到接通状态的电源的变化;以及HDMI / CEC通信单元,或者将指示音频输出模式的信息的输出的指示输出到 视频和音频输出设备,同时接收指示音频的信息检测电源从关闭状态到接通状态的变化,其中微计算机根据指示的信息来控制来自外部扬声器的音频的输出 音频输出模式。