Directional loudness in an anechoic sound field, head-related transfer functions, and binaural summation
VP Sivonen, W Ellermeier - The Journal of the Acoustical Society of …, 2006 - pubs.aip.org
The effect of sound incidence angle on loudness was investigated using real sound sources
positioned in an anechoic chamber. Eight normal-hearing listeners produced loudness
matches between a frontal reference location and seven sources placed at other directions,
both in the horizontal and median planes. Matches were obtained via a two-interval,
adaptive forced-choice (2AFC) procedure for three center frequencies (0.4, 1, and 5 kHz)
and two overall levels (45 and 65 dB SPL). The results showed that loudness is not constant …
positioned in an anechoic chamber. Eight normal-hearing listeners produced loudness
matches between a frontal reference location and seven sources placed at other directions,
both in the horizontal and median planes. Matches were obtained via a two-interval,
adaptive forced-choice (2AFC) procedure for three center frequencies (0.4, 1, and 5 kHz)
and two overall levels (45 and 65 dB SPL). The results showed that loudness is not constant …
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