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Fan noise is everywhere, inside and outside of buildings. With respect to the increasing applications of climate control we expect more and more installations of fans. Fan sound could be disturbing on the on side but could be used as masking sound of other disturbing sound sources on the other side. Soundscape describes the acoustic environment as perceived or experienced and/or understood by people, in context (ISO 12913-1). The specification ISO/TS 12913-2 provides information about data collection and reporting requirements regarding soundscape studies, investigations and applications, and ISO/TS 12913-3 provides guidance on how to analyze the collected data. This is the first standard requesting normative the use of binaural recording and loudness analysis in combination with further recommended psycho-acoustical parameters including interviews of involved people. This paper gives an overview of the application of this Soundscape standard for the evaluation and assessment of fan noise.

ISO 12913-1:2014 :
Acoustics — Soundscape — Part 1: Definition and conceptual framework
ISO/TS 12913-2:2018 :
Acoustics — Soundscape — Part 2: Data collection and reporting requirements
ISO/TS 12913-3:2019 :
Acoustics — Soundscape — Part 3: Data analysis