Physiological and Psycho-Acoustic Basis for Multi-Resolution Frequency Response Analysis

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Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 2011, No. 1, pp. 1–5
Abstract: Perceived pitch is proportional to the percentage change in frequency, not the absolute change. The perceived loudness of a tone is proportional to its duration, until a saturation time is reached. The higher the frequency, the shorter the duration needed to achieve saturation. These perceptions can be correlated with measurements of nerve impulses from the auditory hair cells. This paper reviews the physiological and psycho-acoustic factors that influence the choice of analysis time and bandwidth for cinema sound system measurements. In order to have a high resolution in frequency, one must use a long analysis time. In order to have a high resolution in time, one must analyze a wide frequency bandwidth. To measure perceptually relevant phenomena, a multi-resolution approach is needed. At low frequencies, constant fractional bandwidth and longer loudness integration time means a high resolution in frequency and long analysis time is appropriate. At high frequencies, constant fractional bandwidth and shorter loudness integration time means a lower frequency resolution and shorter analysis time is appropriate.
Publication Date: 2011-10-01
DOI: 10.5594/M001072
Link: https://doi.org/10.5594/M001072
Author(s): Roger SchwenkeMeyer Sound Laboratories, 2832 San Pablo Ave, Berkeley, CA 94501
Brian LongMeyer Sound Laboratories, 2832 San Pablo Ave, Berkeley, CA 94501
Keyword(s): Audio, B-Chain, Measurement
Copyright: © 2011 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

Békésy G. , Experiments in Hearing , Acoustical Society of America , 1960 . EXTERNAL
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Hartmann W. M. , Signals, Sound, and Sensation , Springer AIP Press , 1998 . EXTERNAL
Morgan Gilman Dirks , “Temporal Integration of the Acoustic Reflex” , JASA 62 No. 1 July 1977 . EXTERNAL
Watson Gengel , “Signal duration and signal frequency in relation to auditory sensitivity” , JASA 46 : 989 – 997 1969 . EXTERNAL
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Roger Schwenke and Brian Long; Physiological and Psycho-Acoustic Basis for Multi-Resolution Frequency Response Analysis, SMPTE Meetings and Conferences ( October 2011); SMPTE, 2011. Available at https://doi.org/10.5594/M001072

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Roger Schwenke and Brian Long; Physiological and Psycho-Acoustic Basis for Multi-Resolution Frequency Response Analysis, SMPTE Meetings and Conferences ( October 2011); SMPTE, 2011. Available at https://doi.org/10.5594/M001072

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<span class="citation">Roger Schwenke and Brian Long; <cite>Physiological and Psycho-Acoustic Basis for Multi-Resolution Frequency Response Analysis</cite>, SMPTE Meetings and Conferences ( October 2011); SMPTE, 2011. Available at <a href="https://doi.org/10.5594/M001072" target="_blank" rel="noopener">https://doi.org/10.5594/M001072</a></span>

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Roger Schwenke and Brian Long; <cite id="bib-10-5594-m001072">Physiological and Psycho-Acoustic Basis for Multi-Resolution Frequency Response Analysis</cite>, SMPTE Meetings and Conferences ( October 2011); SMPTE, 2011
<span class="doi">10.5594/M001072</span>
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