Measurement of Head-Related Transfer Functions: A Review

A head-related transfer function (HRTF) describes an acoustic transfer function between a point sound source in the free-field and a defined position in the listener’s ear canal, and plays an essential role in creating immersive virtual acoustic environments (VAEs) reproduced over headphones or loud...

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Bibliographic Details
Published inApplied sciences Vol. 10; no. 14; p. 5014
Main Authors Li, Song, Peissig, Jürgen
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.07.2020
Subjects
Acoustics
Binaural hearing
Datasets
Directional hearing
head-related impulse response
head-related transfer function
HRTF measurement system
individual HRTF measurement
Measurement
Measurement techniques
Methods
Noise
Regularization methods
Signal processing
Transfer functions
Trends
Germany
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Summary:A head-related transfer function (HRTF) describes an acoustic transfer function between a point sound source in the free-field and a defined position in the listener’s ear canal, and plays an essential role in creating immersive virtual acoustic environments (VAEs) reproduced over headphones or loudspeakers. HRTFs are highly individual, and depend on directions and distances (near-field HRTFs). However, the measurement of high-density HRTF datasets is usually time-consuming, especially for human subjects. Over the years, various novel measurement setups and methods have been proposed for the fast acquisition of individual HRTFs while maintaining high measurement accuracy. This review paper provides an overview of various HRTF measurement systems and some insights into trends in individual HRTF measurements.
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ISSN:2076-3417
2076-3417
DOI:10.3390/app10145014