Current noise regulations and standards, in Europe and to some extent also elsewhere, are primarily based on A-weighted sound levels. Most perceptual aspects are - if at all - taken into account by additional correction levels, for example punishing tonality or impulsive content. On the contrary, instrumental loudness-prediction methods have been available for more than half a century and were first standardized 40 years ago. Against this background, the question arises why loudness - regardless of being calculated according to Zwicker or Moore and Glasberg - has not yet been accepted more widely in the field of noise control and related standardization. This contribution attempts to raise some possibly influential aspects, and to discuss them in the light of next-generation loudness standards. Advantages of stationary and time-varying loudness predictions over corrected weighted levels will be discussed and contrasted with potentially contradicting arguments. The discussion is primarily intended to provide arguments for the selection of future loudness-prediction standards. However, also a broader perspective is taken, looking at interrelations with other standards, algorithmically and regarding limiting values.
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2 November 2015
170th Meeting of the Acoustical Society of America
2-6 November 2015
Jacksonville, Florida
Noise: Paper 4aNS8
December 22 2015
Loudness and noise rating: How may standardization bridge the gap between science and engineering?
Florian Völk
Florian Völk
1
Technical University of Munich and Wind Acoustics UG
, Bio-Inspired Information Processing, Technical University of Munich, Germany
; voelk@tum.de Wind Acoustics UG (haftungsbeschränkt), Windach, Germany
; voelk@windacoustics.com1
Technical University of Munich and Wind Acoustics UG
, Bio-Inspired Information Processing, Technical University of Munich, Germany
; voelk@tum.de Wind Acoustics UG (haftungsbeschränkt), Windach, Germany
; voelk@windacoustics.com
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Proc. Mtgs. Acoust. 25, 040002 (2015)
Article history
Received:
November 20 2015
Accepted:
December 14 2015
Citation
Florian Völk; Loudness and noise rating: How may standardization bridge the gap between science and engineering?. Proc. Mtgs. Acoust. 2 November 2015; 25 (1): 040002. https://doi.org/10.1121/2.0000137
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