Stereo microphone unit

Details Stereo microphone unit Stereo microphone unit

H - Electricity

04

N

H04N 5/225 (2006.01) H04R 5/027 (2006.01) H04R 5/04 (2006.01) H04S 1/00 (2006.01)

Patent

CA 2042938

A stereo microphone unit adapted to be installed in a video camera or the like, comprising a cabinet, two nondirectional microphones disposed with a predetermined distance therebetween on the wall of the cabinet for collecting outside sound signal, delay means for delaying each output of the microphones by a time period corresponding to the predetermined distance, and subtracter means for subtracting the output of the delay means relative to one microphone from the output of the other microphone. A stereo audio signal is provided only with regard to the output sound signal of any frequency lower than a predetermined frequency of 6 kHz or so.

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