WIRELESS VOICE TRANSMISSION SYSTEM, VOICE RECEIVER, VIDEO CAMERA, AND AUDIO MIXER

摘要

PROBLEM TO BE SOLVED: To provide a voice transmission system for allowing a voice signal to be input from a wireless microphone to a video camera etc. for voice recording, and capable of checking idle frequencies with sufficient operability to establish the operating frequency of the wireless microphone. SOLUTION: A wireless microphone receiver 1 detects a frequency of electric waves which is not used by other devices based on the receiving level and outputs an idle frequency information indicative of the detected frequency to a video camera 2. The video camera 2 displays the idle frequency information inputted from the receiver 1 on a display means 4 attached to the video camera 2. COPYRIGHT: (C)2007,JPO&INPIT