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The following publications are directly linked to the projects EMRP HLT01 Ears and EMPIR 15HLT03 Ears II:

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Hearing threshold measurements of infrasound combined with audio frequency sound

Author(s):Elisa Burke, Johannes Hensel, Thomas Fedtke, M.(ED.) Brink
Journal:12 th ICBEN Congress on noise as a public health problem, 2017
Abstract:Within the framework of the European project EMPIR 15HLT03 "Ears II" this study aims at a better understanding of the human response to infrasound. The purpose of this study is to examine which role the combination of infrasound (< 20 Hz) and sound in the audio frequency range (between 20 Hz and 20 kHz) plays for the perception of infrasound. One hypothesis to be validated is that the interaction between infrasound and audio-frequency sound may explain the perceptibility of infrasound. Another aim is to investigate whether the presence of infrasound influences the hearing threshold of audio frequency sound. In order to test these hypotheses detection threshold measurements were performed separately for infrasound and audio-frequency sound stimuli. Then thresholds were measured for infrasound stimuli in the presence of audio-frequency sound and for audio-frequency sound stimuli in the presence of infrasound. The measurement setup consisted of an infrasound source and an audio-frequency sound source, each coupled by a sound tube to the same eartip that was used for monaural presentation of the acoustic stimuli. 2017 Papers/SubjectArea10_Burke_1002_3574.pdf

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