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Throughout the last decades, human motion capture systems have become an important tool for various sectors. Besides the entertainment sector, which is probably the most known sector to use these systems through popular movies and video games, the medical sector has adopted this technology as an analysis tool. These clinical analyses measure the human body posture and movement for various purposes...
This paper describes a spot-controllable data-transfer method. The proposed method generates a beam-shaped spot using two commercial off-the-shelf speakers. In our method, a symbol consists of a pair of sinusoidal waves having different angular frequencies. The width and direction of a beam-shaped spot are controlled by the angular-frequency difference between the sinusoidal waves and the transmission-time...
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