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Extensity and depth perception of point and plane sound image

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2 Author(s)
Sata, M. ; Graduate Sch. of Eng., Hokkaido Univ., Sapporo, Japan ; Takahashi, M.

Using 31 speakers controlled by a PC, we investigated how the impression of a sound image changes when the area of sound sources changes. It was found that the distance of a sound image depends strongly on the area of sound sources. The distance of a sound image increases as the area of sound sources decreases. There were two contrasting tendencies with regard to change in the width of a sound image. One is that the width of a sound image changes in the same way as the area of sound sources changes, and the other is that the width of a sound image changes in the opposite way to change in the area of sound sources. Therefore, we conclude that this feeling is inadequate to express the difference in a sound image with r=1 (correlation coefficient factor r) when the area of sound sources changes.

Published in:

Engineering in Medicine and Biology Society, 2001. Proceedings of the 23rd Annual International Conference of the IEEE  (Volume:4 )

Date of Conference:

2001