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Acoustics, Volume 5, Issue 2

June 2023 - 16 articles

Cover Story: Typically, background noise of different types and levels is present during the measurement of the impulse response in spaces. The two methods that are most frequently used in practice for the measurement of the impulse response are the exponential sine sweep (ESS) and the maximum length sequence (MLS). The estimation of the impact of background noise (white noise, tonal noise) on the acoustic parameters (e.g., T30, EDT, C80, and D50) for ESS and MLS measurements can be assessed by introducing artificial background noise (with varying levels), employing an external sound source and comparing the results with measurements without the addition of artificial background noise. View this paper
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Acoustics - ISSN 2624-599XCreative Common CC BY license