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Published on Jul 1, 2008
Two 40 kHz ultrasound sensors are used as a rangefinder with a soundcard running at 192 kHz, and Matlab. The distance between the transducers controls the pitch of the note. The video is based on a project done at the Group for Digital Signal Processing and Image Analysis, http://www.ifi.uio.no/research/groups..., Department of Informatics, University of Oslo in the course INF3460 - Project in acoustics and signal processing, http://www.uio.no/studier/emner/matna...