Wpływ dźwięku maskującego na zrozumiałość niepożądanych dźwięków mowy w biurach typu open space – wyniki badań własnych
The impact of sounds masking speech intelligibility on acoustic environment in open plan offices

Summary/Abstract: The article presents computational research results of the impact of the use of sounds masking speech intelligibility at workplaces located in typical open plan office areas. Four types of masking sounds at frequency spectrum and A-weighted sound pressure levels within the range of 25-45 dB were used. The criteria for the acoustic evaluation of open plan office rooms were adopted according to the EN ISO 3382-3: 2012 and the Polish standards: PN-B-02151-4: 2015 (room acoustic properties) and PN-B-02151-2: 2018 (background level, including masking sound). It has been shown that it is possible to obtain appropriate work environment conditions (including room acoustic properties) at the A-weighted sound pressure level of masking sound in the range of 31-37 dB (depending on the one of the four types of masking frequency spectrum considered).

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