Measurements of equal loudness and reaction times
نویسندگان
چکیده
منابع مشابه
Equal-loudness-level contours for pure tones.
Equal-loudness-level contours provide the foundation for theoretical and practical analyses of intensity-frequency characteristics of auditory systems. Since 1956 equal-loudness-level contours based on the free-field measurements of Robinson and Dadson [Br. J. Appl. Phys. 7, 166-181 (1956)] have been widely accepted. However, in 1987 some questions about the general applicability of these conto...
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An empirical equation from Riesz's classic study on difference thresholds is treated in a new manner. Reformulating the expression for the Weber fraction allows one to account for the shape of the loudness function at different frequencies. Furthermore, the emerging loudness function unifies both the commonly used power and logarithmic laws of sensation. In principle, equal loudness contours ca...
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Interfrequency loudness matches were obtained for 12 pairs of frequencies from 1 to 16 kHz over a range of sensation levels (SL) from 4-to-100 dB. At 10 kHz and below, a linear matching function with a slope of 1.0 provides a good account of the data. In contrast, loudness-matching functions at higher frequencies are curvilinear in shape. Moreover, the regional slope values are both level and f...
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Most speech parameter estimation techniques are easily innuenced by the frequency response of the communication channel. We have developed a technique that is more robust to such steady-state spectral factors in speech. The approach is conceptually simple and computationally eecient. The new method is described, and experimental results are reported, showing a signiicant advantage for the propo...
متن کاملEffectiveness of Near-End Speech Enhancement Under Equal-Loudness and Equal-Level Constraints
Most recently proposed near-end speech enhancement methods have been evaluated with the overall power (RMS) of the speech held constant. While significant intelligibility gains have been reported in various noisy conditions, an equal-RMS constraint may lead to enhancement solutions that increase the loudness of the original speech. Comparable effects might be produced simply by increasing the p...
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ژورنال
عنوان ژورنال: The Journal of the Acoustical Society of America
سال: 1982
ISSN: 0001-4966
DOI: 10.1121/1.2020162