D2-2 Proposal of Information Communication Method Using Sound Wave (1)

Abstract

Existing general Personal Computers have PCM sound function to treat audio data, which are also available as information communication system by playback (transmitter) and recording (receiver) capabilities. In this paper, we propose an information communication method using sound wave, which detects digital wave pattern striding over threshold values. Our method has an advantage of lower CPU load than other digital signal processing methods that require signal-transformation, for information communication using sound wave.