| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a premise loudspeaker which easily performs premise loudspeaking at a self-point while performing remote communication with a participant at another point. <P>SOLUTION: The premise loudspeaker has: a downlink input terminal for inputting a downlink signal at least including a speech receiving signal from another point; an uplink input terminal for inputting an uplink signal from another device at the self-point; a speaker which plays a signal obtained by adding the downlink signal input from the downlink input terminal and the uplink signal input from the uplink input signal and to which no sound collection signal is added; a downlink output terminal for outputting a self-device downlink signal obtained by adding the downlink signal input from the downlink input terminal and the sound collection signal toward another device at the self-point; and an uplink output terminal for outputting a self-device uplink signal obtained by adding the uplink signal input from the uplink input terminal and the sound collection signal toward another point side. <P>COPYRIGHT: (C)2012,JPO&INPIT |
