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A 3-D Sound Creation System Using Horizontally Arranged Loudspeakers

In this research, we have studied a 3-D sound creation system using 5- and 8-channel loudspeaker arrangements. This system has a great advantage that it does not require the users to purchase a new audio system or to reallocate loudspeakers. The only change for creators of television stations, video game makers and so on is to install the new proposed method for creation of the 3-D sound sources. Head-related transfer functions are used to create the signals of left and right loudspeaker groups. An extended amplitude panning method is proposed to decide the amplitude ratios between and within loudspeaker groups. Listening experiments show that the subjects could perceive the elevation of sound images created by the system well.

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