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Journal Information » Most Read Papers

January-February 2017

Antti Kuusinen, Tapio Lokki. Wheel of concert hall acoustics.

Acta Acust united Ac. Vol. 103 No. 2 (2017) pp. 185–188
DOI: https://doi.org/10.3813/AAA.919046

Abstract: More than a hundred years of research on concert hall acoustics has provided an extensive list of attributes to describe and evaluate the perceptual aspects of sound in concert halls. This brief overview discusses the current knowledge, and presents a "wheel of concert hall acoustics" in which the main aspects are gathered together with the descriptive attributes that are commonly encountered in the research literature.


Barteld N. J. Postma, Hugo Demontis, Brian F. G. Katz. Subjective Evaluation of Dynamic Voice Directivity for Auralizations.

Acta Acust united Ac. Vol. 103 No. 2 (2017) pp. 181–184
DOI: https://doi.org/10.3813/AAA.919045

Abstract: It is possible to include static directivity patterns into auralizations to better represent the way in which real sources radiate sound and subsequently excite the room. Sources such as the voice have directivity patterns which vary with frequency and also due to dynamic movements of the performer. This study presents an investigation of the inclusion of dynamic voice directivity into room acoustic auralizations based on geometrical acoustics (GA) software. Previous studies have performed this using multi-channel anechoic recordings. In contrast, this study employs single channel anechoic stimuli. Focus is on the incorporation of dynamic orientation presenting the means by which it is included into the GA software as well as the results of a subjective listening test. Results indicate that dynamic voice directivity orientation auralizations are perceived as more plausible, more enveloping, and exhibiting greater apparent source width than auralizations with a static voice directivity and omnidirectional sources.


Jens Holger Rindel. A Comment on the Importance of Low Frequency Airborne Sound Insulation between Dwellings

Acta Acust united Ac. Volume 103 No. 1 (2017) pp. 164-168

Abstract: Several research papers have appeared within the last couple of years, giving support to the statement that the frequency range from 100 Hz and up is sufficient for characterizing the airborne sound insulation between dwellings. This is quite surprising, because for several decades there has been a focus of the importance of including the low frequencies from 50–80 Hz in the measurement of airborne sound insulation, especially in order to deal with the reported annoyance from loud music with bass and from home cinemas with powerful bass sound. The purpose of this paper is firstly to discuss the main purpose of a single-number quantity (SNQ) for characterizing the airborne sound insulation between dwellings. Secondly, some of the recent research papers are discussed with emphasis on the methodology and the results. In some cases it is found that the conclusion does not give a faithful picture of the results.


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