サウンドスコープヘッドフォン(「アート&エンタテインメント」特集)

概要

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This paper describes Sound Scope Headphones, which enable the user tocontrol an audio mixer through natural head and hand movements. When listening tomusic, a listener might want to hear particular parts more clearly or reduce the levelof some parts. Such a capability is possible with commercial audio mixers that performmulti-channel recording and mix-downs. However, commercial audio mixers are too complicatedfor musical novices to be able to control numerous channel volumes and panpots.Our headphone device controls an audio mixer by using three sensors: a digital compass,a tilt sensor, and a distance sensor. These sensors are mounted on the headphones andthey detect natural movements, such as of the head or a hand placed behind an ear whenthe user is listening to music. By putting their hand behind their ear, the listener adjuststhe distance sensor on the headphones to focus on a particular part that they wantto hear. We made three distance sensor prototypes and experimental results show thatmusical novices are more able to find a target instrument in a multi-channel recordingwith an infrared distance sensor.
2007-09-30