Frequency Spectra Discrimination of Broadband Stimuli
Creators
- 1. Faculty of Civil Engineering, The Slovak University of Technology, Bratislava, Slovakia
- 2. KU Leuven, Faculty of Architecture, Hoogstraat 51, 9000 Gent/ Paleizenstraat 65, 1030 Brussel, Belgium
- 3. Fachbereich Akustik & Bauphysik,TGM – Die Schule der Technik, Wexstraße 19 – 23, A-1200 Wien, Austria
- 4. University of Zagreb, Faculty of Electrical Engineering and Computing, Unska 3, 10000 Zagreb, Croatia
- 5. Faculty of Civil Engineering, The Slovak University of Technology, Bratislava, Slovakia
- 6. KU Leuven, Dep. of Physics and Astronomy, Soft matter and Biophysics, Laboratory of Acoustics, Cel estijnenlaan 200D, 3001 Leuven, Belgium
- 7. Unternehmensberatung Rudolf Exel, A-7423 Grafenschachen, Austria
Description
The sensitivity of human hearing is one of the important aspects determining daily living and
acoustic comfort. In this paper, the ability of people to discriminate between frequency spectra
obtained by filtering out different frequency bands from the spectrum of broadband noise stimuli
was tested. Subjective laboratory listening tests were designed and optimized, using the threealternative forced choice method. The width of the frequency gaps was varied in between 1, 2, 4, 8,
12 and 16 semitones, and reductions 0.3, 0.5, 1, 2, 3, 5, 10 and 20dB were applied. The gaps were
created symmetrically (on a logarithmic scale) around two central frequencies: 125Hz and 2000Hz.
Altogether 39 subjects were tested.
Files
251_Euronoise2018.pdf
Files
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