Head-related Acoustics

High-quality binaural reproduction is one of our research interests. Previously, we have developed perceptually good binaural reproduction combining the Directional Audio Coding method with tracking of head oriention.

However, our current topic in this area is in more general head-related acoustics. We are especially concentrated on developing better methods to measure head-related transfers functions. This has lead to a cooperation project with Helsinki University Central Hospital to model the head, shoulders, pinna, and ear canal as a whole. Furthermore, work is done on a large scale model of an ear to study the effects of measurement methods to the responses.

Selected publications

Hiipakka M., "Estimating pressure at the eardrum for binaural reproduction", Doctoral dissertation, Aalto University, December 2012.

Gómez Bolaños J. and Pulkki V., "HRIR database with measured actual source direction data". AES 133rd Convention, October 2012.

Hiipakka M., Karjalainen M., and Pulkki V., "Estimating pressure at eardrum with pressure-velocity measurement from ear canal entrance", Applications of Signal Processing to Audio and Acoustics, 2009. WASPAA'09. IEEE Workshop on. IEEE, 2009.

Hiipakka M, Kinnari T, and Pulkki V., "Estimating head-related transfer functions of human subjects from pressure–velocity measurements", The Journal of the Acoustical Society of America, 131, 2012.

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