Errors of addition of sound levels of correlated acoustic disturbances

• Autorzy: Batko Wojciech , Radziszewski Leszek , Bąkowski Andrzej

Identyfikatory

DOI

10.21008/j.0860-6897.2024.3.11

• Języki publikacji: EN

Abstrakty

EN

The article focuses on formulas for calculating the addition of sound levels when the disturbances of the acoustic pressures that determine them are correlated. Based on the numerical experiments, determine the level of possible errors for different coherence conditions of two noise sources. The performed analyses are associated with the classical calculus of algebra of decibel numbers, as well as its modifications securing the required correctness of its axiomatic. Presents the desirability of its use in the problems of developing measurement data of small values of sound levels. Relates the need for their potential applications to computational issues relating to the study of the sound field in special rooms (e.g., radio and television studios, anechoic chambers, lave caves) and the study of the environment in which these devices or objects are located. Draws attention to their importance in estimating type B uncertainty in controlling the state of acoustic hazards in the environment.

Słowa kluczowe

EN

acoustics; environment; uncertainty type B; coherence

PL

akustyka; środowisko; niepewność typu B; spójność

• Wydawca: Poznan University of Technology. Institute of Applied Mechanics
• Czasopismo: Vibrations in Physical Systems
• Rocznik: 2024
• Tom: Vol. 35, nr 3
• Strony: art. no. 2024311
• Opis fizyczny: Bibliogr. 26 poz., wykr.

Twórcy

autor

Batko Wojciech

• Academy of Applied Sciences in Krosno Rynek 1, Krosno, Poland

autor

Radziszewski Leszek

• Kielce University of Technology Al. 1000 P.P. 7, Kielce, Poland

• https://orcid.org/0000-0001-6253-2000

autor

Bąkowski Andrzej

• Kielce University of Technology Al. 1000 P.P. 7, Kielce, Poland

• https://orcid.org/0000-0002-9341-4338

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