Spectral loudness summation as a function of duration

The Journal of the Acoustical Society of America
J L Verhey, Birger Kollmeier

Abstract

Loudness was measured as a function of signal bandwidth for 10-, 100-, and 1000-ms-long signals. The test and reference signals were bandpass-filtered noise spectrally centered at 2 kHz. The bandwidth of the test signal was varied from 200 to 6400 Hz. The reference signal had a bandwidth of 3200 Hz. The reference levels were 45, 55, and 65 dB SPL. The level to produce equal loudness was measured with an adaptive, two-interval, two-alternative forced-choice procedure. A loudness matching procedure was used, where the tracks for all signal pairs to be compared were interleaved. Mean results for nine normal-hearing subjects showed that the magnitude of spectral loudness summation depends on signal duration. For all reference levels, a 6- to 8-dB larger level difference between equally loud signals with the smallest (delta f = 200 Hz) and largest (delta f = 6400 Hz) bandwidth is found for 10-ms-long signals than for the 1000-ms-long signals. The duration effect slightly decreases with increasing reference loudness. As a consequence, loudness models should include a duration-dependent compression stage. Alternatively, if a fixed loudness ratio between signals of different duration is assumed, this loudness ratio should depend on the...Continue Reading

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Citations

Dec 5, 2012·PloS One·Daniel OberfeldJesko Verhey
Jan 10, 2012·The Journal of the Acoustical Society of America·Wiebke HeerenJesko L Verhey
Aug 24, 2013·The Journal of the Acoustical Society of America·Ilse B Labuschagne, Johan J Hanekom
Sep 11, 2009·The Journal of the Acoustical Society of America·Jan Rennies, Jesko L Verhey
May 20, 2006·The Journal of the Acoustical Society of America·Anne-Kristin Anweiler, Jesko L Verhey
Feb 6, 2008·The Journal of the Acoustical Society of America·Jesko L Verhey, Michael Uhlemann
Oct 31, 2006·The Journal of the Acoustical Society of America·Ikaro Silva, Mary Florentine
Mar 13, 2014·The Journal of the Acoustical Society of America·J HotsJ L Verhey
Mar 14, 2007·The Journal of the Acoustical Society of America·Manfred Mauermann, Volker Hohmann
Mar 24, 2016·Hearing Research·Dirk OettingStephan D Ewert
Jun 3, 2016·The Journal of the Acoustical Society of America·Jan HotsJesko L Verhey
Jun 3, 2016·The Journal of the Acoustical Society of America·Iko PieperStephan D Ewert
Oct 4, 2017·International Journal of Audiology·Stephan D Ewert, Dirk Oetting
Nov 26, 2014·Journal of Speech, Language, and Hearing Research : JSLHR·Robert S SchlauchLynne Marshall
Jun 3, 2018·The Journal of the Acoustical Society of America·Daniel M RasetshwaneWalt Jesteadt
May 24, 2006·International Journal of Audiology·Jesko L VerheyVolker Hohmann
Jan 1, 2018·The Journal of the Acoustical Society of America·Marcin WróblewskiWalt Jesteadt
Nov 9, 2018·The Journal of the Acoustical Society of America·Yi ShenZhuohuang Zhang

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