The Subjectively-Perceived Frequency Response in Small and Medium-Sized Rooms

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 91, No. 7, pp. 638–643
Abstract: The perception of timbre evoked by sound reproduction in a room has been studied in a series of listening tests. The results indicate that equal timbre of sound reproduction in two different rooms can be obtained if the two systems produce equal steady-state 1/3-octave spectra at the entrance of the listener's ear canal. The often-encountered high-frequency roll-off seen on frequency-response curves of loudspeaker-room systems originates from diffraction phenomena at the head and external ear. The diffraction is described by the amplitude characteristics of the head and external ear. Finally, a subjective frequency-domain description is demonstrated which makes possible a graphical display of the subjectively-perceived frequency response of a loudspeaker-room system.
Publication Date: 1982-07-01
DOI: 10.5594/J00292
ISSN: Print: 0036-1682
Link: https://doi.org/10.5594/J00292
Author(s): Henrik StaffeldtEngineering Academy of Denmark, Department of Electronics, Building 451, DK 2800, Lyngby, Denmark.
Erik RasmussenDanish Filminstitute, St. Søndervoldstraede, DK-1419, Copenhagen, Lyngby, Denmark.
Copyright: © 1982 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1. ISO 2969. Cinematography Electro-acoustic response of motion picture control rooms and indoor theatres Specifications and measurements. EXTERNAL
10. Staffeldt H. , “Measuring and Predicting the Timbre of Sound Reproduction,” Engineering Academy of Denmark, Dept. of Electronics , 1981 (in prep.). EXTERNAL
11. Burkhard M. D. Sachs R. M. , Anthropometric Manikin for Acoustic Research , J. Acoust. Soc. Am. , 58 , No. 1 , July 1975 . EXTERNAL
12. Queen D. , “Temporal Considerations Differentiating Sound in Review Rooms vs. Theaters,” SMPTE J. , 86 , Mar. 1977 . EXTERNAL
2. Eagle J. , “Equalizing the Monitoring Environment,” J. Audio Eng. Soc. , 21 , No. 2 , Mar. 1973 . EXTERNAL
3. Schulein R. B. , “In situ Measurements and Equalization of Sound Reproduction Systems,” J. Audio Eng. Soc. , 23 , No. 3 , Apr. 1975 . EXTERNAL
4. Zwicker E. Feldtkeller R. , Das Ohr als Nachricht***en***empfänger , Hirzel Verlag , Stuttgart , 1967 . EXTERNAL
5. IEC Publication 179, 1973. Precision Sound Level Meters. EXTERNAL
6. ISO 454. Relation between Sound Pressure Levels of Narrow Bands of Noise in a Diffuse Field and in a Frontally Incident Free Field for Equal Loudness. EXTERNAL
7. Kuhl W. Plantz R. , “Die Bedeutung des von Lautsprechern abgestrahlten diffusen S***challs für das ***Hörereignis,” Acustica , 40 , 1978 . EXTERNAL
8. Mehrgardt S. Mellert V. : “Transformation Characteristics of the External Human Ear,” J. Acoust. Soc. Am. , 61 , No. 6 , June 1977 . EXTERNAL
9. Blauert J. , Räumliches Hören , Hirzel Verlag , Stuttgart , 1974 . EXTERNAL

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Henrik Staffeldt and Erik Rasmussen; The Subjectively-Perceived Frequency Response in Small and Medium-Sized Rooms, SMPTE Journal ( Volume: 91, Issue: 7, July 1982); SMPTE, 1982. Available at https://doi.org/10.5594/J00292

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Henrik Staffeldt and Erik Rasmussen; The Subjectively-Perceived Frequency Response in Small and Medium-Sized Rooms, SMPTE Journal ( Volume: 91, Issue: 7, July 1982); SMPTE, 1982. Available at https://doi.org/10.5594/J00292

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<span class="citation">Henrik Staffeldt and Erik Rasmussen; <cite>The Subjectively-Perceived Frequency Response in Small and Medium-Sized Rooms</cite>, SMPTE Journal ( Volume: 91, Issue: 7, July 1982); SMPTE, 1982. Available at <a href="https://doi.org/10.5594/J00292" target="_blank" rel="noopener">https://doi.org/10.5594/J00292</a></span>

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Henrik Staffeldt and Erik Rasmussen; <cite id="bib-10-5594-j00292">The Subjectively-Perceived Frequency Response in Small and Medium-Sized Rooms</cite>, SMPTE Journal ( Volume: 91, Issue: 7, July 1982); SMPTE, 1982
<span class="doi">10.5594/J00292</span>
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