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A test of the Binaural Equal-Loudness-Ratio hypothesis for tonesa)
a)A portion of this work was presented at the Midwinter Meeting of the Association for Research in Otolaryngology [Related Article(s): Marozeau et al. , “New method for deriving loudness functions from Binaural Level Differences for Equal Loudness” (Year: 2006)

] and the American Auditory Society Meeting [Related Article(s): Marozeau et al. , “Testing the Binaural Equal-Loudness-Ratio hypothesis using Cross-modality Matching” (Year: 2006)

].
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10.1121/1.2363935
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    Affiliations:
    1 Communication Research Laboratory, Department of Speech-Language Pathology and Audiology (106A FR), Institute for Hearing, Speech and Language, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115
    2 Auditory Modeling and Processing Laboratory, Department of Speech-Language Pathology and Audiology (106A FR), Communications and Digital Signal Processing Center, ECE Department (440 DA), Institute for Hearing, Speech, and Language, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115
    3 Communication Research Laboratory, Department of Speech-Language Pathology and Audiology (106A FR), Institute for Hearing, Speech and Language, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115
    c) Electronic mail: j.marozeau@neu.edu
    J. Acoust. Soc. Am. 120, 3870 (2006); http://dx.doi.org/10.1121/1.2363935
/content/asa/journal/jasa/120/6/10.1121/1.2363935
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Figures

Image of FIG. 1.
FIG. 1.

Individual loudness functions obtained from all nine listeners. The geometric mean of the string length is plotted on a log scale as a function of level. The filled circles show data for the binaural tones and the open circles show the data for the monaural tones. The vertical bars show one standard deviation of the log of the string lengths. The solid thin lines show third-order polynomials fitted to the monaural average data and the dashed lines show third-order polynomials fitted to the binaural average data. The thick lines show the ratio of string lengths obtained for equal-SPL monaural and binaural tones as estimated from the polynomials.

Image of FIG. 2.
FIG. 2.

Average data from the individual listeners (L6 omitted). The third-order polynomials fitted to the data were normalized by dividing each length by the average string length for the SPL tone in the binaural condition. The vertical bars show one standard error of the log of the string length.

Image of FIG. 3.
FIG. 3.

Comparison between the average loudnesses of the monaural 200-ms tones obtained in the present paper (open circles) and the average loudnesses of the 200-ms tones (filled circles) obtained in Epstein and Florentine (2005).

Image of FIG. 4.
FIG. 4.

Comparison between binaural (dashed lines) and monaural (solid lines) loudness functions extracted in the present paper (thick lines) and the loudness functions derived from the model (thin lines) Whilby et al. (2006).

Tables

Generic image for table
TABLE I.

Summary of the individual data (gender, age, thresholds at , and results). represents the absolute value of the threshold difference between the two ears of each listener. The Bi/Mono ratio is the averaged difference between the binaural and monaural polynomial fits to the data; Monaural exponent and Binaural exponent show the values of the exponents of the fitted power functions for levels above SPL.

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/content/asa/journal/jasa/120/6/10.1121/1.2363935
2006-12-01
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A test of the Binaural Equal-Loudness-Ratio hypothesis for tonesa)
http://aip.metastore.ingenta.com/content/asa/journal/jasa/120/6/10.1121/1.2363935
10.1121/1.2363935
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