Equal-loudness-level contours of older adults measured by magnitude estimation method: A preliminary study

Kenji Kurakata

doi:10.1250/ast.30.446

Equal-loudness-level contours of older adults measured by magnitude estimation method: A preliminary study

Kenji Kurakata

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

A preliminary study reported the results of equal-loudness-level contours (ELLC) of older adults, which was measured by magnitude estimation (ME) method. The geometrical mean of the two numbers assigned to each stimulus was first calculated to obtain a magnitude estimate of individual listeners. ME method was produced ELLCs efficiently with precision comparable to those of other psychophysical methods, such as the method of constant stimuli and the bracketing method. The results of the study indicated that the ME method was able to yield ELLCs comparable to those in the ISO standard obtained with other measurement methods. ELLCs for numerous older adults were obtained in a short time using the ME method.

Original language	English
Pages (from-to)	446-447
Number of pages	2
Journal	Acoustical Science and Technology
Volume	30
Issue number	6
DOIs	https://doi.org/10.1250/ast.30.446
Publication status	Published - 2009
Externally published	Yes

Keywords

Aging effect
Equal-loudness-level contour
Magnitude estimation method

ASJC Scopus subject areas

Acoustics and Ultrasonics

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10.1250/ast.30.446

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AB - A preliminary study reported the results of equal-loudness-level contours (ELLC) of older adults, which was measured by magnitude estimation (ME) method. The geometrical mean of the two numbers assigned to each stimulus was first calculated to obtain a magnitude estimate of individual listeners. ME method was produced ELLCs efficiently with precision comparable to those of other psychophysical methods, such as the method of constant stimuli and the bracketing method. The results of the study indicated that the ME method was able to yield ELLCs comparable to those in the ISO standard obtained with other measurement methods. ELLCs for numerous older adults were obtained in a short time using the ME method.

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Equal-loudness-level contours of older adults measured by magnitude estimation method: A preliminary study

Abstract

Keywords

ASJC Scopus subject areas

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