The impact of binaural auralizations on sound source localization and social presence in audiovisual virtual reality: converging evidence from placement and eye-tracking paradigms

Open Access

Table 2

Outcome variables from placement task for audio condition.

Outcome variable	Loudspeaker		measHATS		simIndivHRIRs		simHATS		Anchor
Outcome variable	M	SD	M	SD	M	SD	M	SD	M	SD
Trials outside room (in %)	2.9	14.1	2.7	12.5	1.9	10.8	1.9	8.2	1.7	5.6
In-head localization Trials (in %)	0.8	2.4	3.1	13.5	3.6	11.7	4.1	11.6	78.4	31.6
Front-back confusions (in %)	4.4	10.0	11.0	17.5	10.7	16.7	12.4	16.8	25.3^a	22.4
Invalid trials (in %)	7.0	15.9	12.9	21.3	14.7	23.5	16.2	21.8	73.3	28.6
Overall localization error (in cm)^b	185.1	122.6	207.7	125.1	196.9	127.7	200.0	121.0	212.4^a	111.6
Angle deviance (in °, 0° to 90°)^b	11.1	12.7	13.8	17.4	14.4	17.8	15.2	19.3	33.2^a	27.3^a
Azimuthal error (in °, −180° to 180°)^b	−0.6	16.8	−0.03	22.2	−1.4	22.8	1.5	24.5	−4.7^a	42.8
Distance deviance (in cm)^b	117.1	170.9	126.1	175.9	91.0	185.8	95.7	179.0	−142.0^a	150.5
Absolute distance Error (in cm)^b	163.8	170.9	177.0	175.9	164.7	185.8	165.5	179.0	164.9^a	150.5

These values cannot be interpreted consistently due to insufficient valid trials.

For these analyses invalid trials were excluded.

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