LOUD SPEAKING SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a loud speaking system which has high versatility and can suitably correspond to movement even if a microphone is moved or even if a speaker moves.;SOLUTION: A plurality of connection terminals 2 are connected to a central controller 1. A lecturer operates the central controller 1 and instructs whether to make each connection terminal 2 function as a speaker or as a microphone. Since the central controller 1 can instruct to make which connection terminal 2 function as a microphone or as a speaker, the lecturer can change positions and numbers of microphones and speakers by a single touch of a button in accordance with a scene during the lecture when the lecturer gives a lecture, when a questioner asks a question, when a master of ceremony gives commentary, and so for the. For example, an aid is not necessary to take a microphone to the questioner specially, and it is possible to correspond suitably in accordance with movement states of talkers so that the loud speaking system can have extremely high versatility and convenience.;COPYRIGHT: (C)2010,JPO&INPIT