[10] 2 [11][12] Fig.1 2 (Panasonic: PT-D5700L) deg Fig. 1: Experimental environment. 65 cd/m 2 20 % 1500 mm 2560 mm ( )
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1 RJ-004 FIT2013( 第 12 回情報科学技術フォーラム ) The effect of rotationally moving sound on the circular vection Zhenglie Cui Hiroyuki Yagyu Shuichi Sakamoto Yukio Iwaya Yôiti Suzuki 1 [1] Virtual Reality: VR Wallach[2] Carpenter [3] 2 Harris [4] 2 Edwards [5] [6] 2 Lackner[7] Sakamoto [8] VR VR ( ) [9] HMD 33
2 [10] 2 [11][12] Fig.1 2 (Panasonic: PT-D5700L) deg Fig. 1: Experimental environment. 65 cd/m 2 20 % 1500 mm 2560 mm ( ) 1700 mm 180 deg deg (Fig.1 ) EON Professional[13] (Fig.1 ) deg (Simulation environment For Acoustic 3DSoftware: SiFASo)[14] SiFASo SiFASo EON Professional (Sennheiser HDA200) 1500 mm 0deg 0deg 180 deg 120 deg db 1 34
3 ( ) Fig. 2: Experimental environment. [15] A 70 db [16] 15 Hz (D-BOX Technologies: D-BOX) D-BOX Fig deg/s Dynamic(same) Dynamic(opposite) Static No sound ME 36 deg Fig.3 5 Fig deg Fig.3 36 deg Fig.4 76 deg Fig deg (F (2, 8) = , p<.001) (F (23, 92) = 8.280, p<.001) (F (3, 12) = 2.638, p<.10) Fig. 3: Mean strength of circular vection (36 deg). 35
4 3-3.1 Fig. 4: Mean strength of circular vection (72 deg) deg deg Fig. 5: Mean strength of circular vection (108 deg). [17] F (6, 24) = 2.635, p<.05) 108 deg F (3, 36) = 6.467, p<.005) Static 2.5 (36 deg 72 deg) 108 deg (30 deg/s) 2 (60 deg/s) 0.5 (15 deg/s) ( ) 6 ( 5 1 ) 3.3 Fig.6 2 (F (1, 5) = 0.991, n.s) (F (2, 10) = 1.011, n.s.)
5 Fig. 6: Mean estimated strength of circular vection. 2 [18] deg [10] (130deg) 102 deg Palmisano [19] [20] 1 Fig deg Ernst [18] optimal weighting 5 37
6 ( ) [1] M. H. Fischer and A. E. Kornmüller, Optokinetic ausgelöste Bewegungswahrnehmungen und opto-kinetischer Nystagmus, Journal für Psychologieund Neurologie (Leipzig), Vol. 41, pp (1930). [2] H. Wallach, The role of head movements and vestibular and visual cues in sound localization, Journal Exp Psychol, Vol. 27, pp (1940). [3] T.R.Carpenter-Smith,R.G..Futamura,D.E. Parker, Intertial acceleration as a measure of linear vection: An alternative to magnitude estimation, Perception and Psychophysics, Vol. 57, No. 1, pp (1995). [4] L. R. Harris, M. Jenkin, and D. C. Zikovitz, Vestibular cues and virtual environments: choosing the magnitude of the vestibular cue, IEEE Vistual Reality Conference, pp (1999). [5] M. Edwards, S. O Mahony, M. R. Ibbotson, S. Kohlhagen, Vestibular stimulation affects opticflow sensitivity, Perception, Vol. 39, No. 10, pp (2010). [6],,,,,,, Vol. 18, No. 1, pp (2013). [7] J. R. Lackner, Induction of illusory self-rotation and nystagmus by a rotating sound-field, Aviation space and enviromental medicine, Vol. 48, No. 2, pp (1977). [8] S. Sakamoto, Y. Osada, Y. Suzuki, J. Gyoba, The effects of linearly moving sound images on self-motion perception, Acoustic Science & Technology, Vol. 25, No. 1, pp (2004). [9],,,,,, HIP,, Vol. 104, No. 526, pp (2004). [10],,, A, Vol. J83-A, No. 7, pp (2000). [11] J. Schulte-Pelkum, B. E. Riecke, H. H. Bülthoff, Vibrational cues enhance believability of egomotion simulation, International Multisensory Research Forum (IMRF 2004). [12] B. E. Riecke, J. Schulte-Pelkum, F. Caniard, H. H. Bülthoff, Towards lean and elegant selfmotion simulation in virtual reality, IEEE Virtual Reality, pp (2005). [13] EON Professional: productsprofessional.html. [14] Y. Iwaya, Y. Suzuki, Rendering moving sound with the doppler effect in sound space, Applied Acoustics, No. 68, pp (2007). [15] Y. Iwaya, Sound space perception in virtual environments with head movements, Proc.IW- PASH, (2009). [16] J. Schulte-Pelkum, B. E. Riecke, H. H. B ulthoff, Vibrational cues enhance believability of egomotion simulation, International Multisensory Research Forum (IMRF), (2004). [17] F. Lestienne, J. Soechting, A. Berthoz, Postural readjustments induced by linear motion of visual scenes, Experimental Brain Research, Vol. 28, pp (1977). [18] M. O. Ernst, M. S. Banks, Humans integrate visual and haptic information in a statistically optimal fashion, Nature, Vol. 415, No. 6870, pp (2002). [19] S. Palmisano, B. J. Gillam, S. G. Blackburn, Global-perspective jitter improves vection in central vision, Perception, Vol. 29, No. 1, pp (2000). [20],,, Vol. 108, No. 182, pp (2008). 38
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