The relation between anthropometric parameters and Head-Related Transfer Function (HRTF) features, especially those due to the pinna, are not fully understood yet. In this paper we apply signal processing techniques to extract the frequencies of the main pinna notches (known as N-1, N-2, and N-3) in the frontal part of the median plane and build a model relating them to 13 different anthropometric parameters of the pinna, some of which depend on the elevation angle of the sound source. Results show that while the considered anthropometric parameters are not able to approximate with sufficient accuracy neither the N-2 nor the N-3 frequency, eight of them are sufficient for modeling the frequency of N-1 within a psychoacoustically acceptable margin of error. In particular, distances between the ear canal and the outer helix border are the most important parameters for predicting N-1.
Frequency Estimation Of The First Pinna Notch In Head-Related Transfer Functions With A Linear Anthropometric Model / S. Spagnol, F. Avanzini - In: DAFx 2015[s.l] : DAFx, 2015. - pp. 231-236 (( Intervento presentato al 18. convegno International Conference on Digital Audio Effects tenutosi a Trondheim nel 2015.
Frequency Estimation Of The First Pinna Notch In Head-Related Transfer Functions With A Linear Anthropometric Model
F. Avanzini
2015
Abstract
The relation between anthropometric parameters and Head-Related Transfer Function (HRTF) features, especially those due to the pinna, are not fully understood yet. In this paper we apply signal processing techniques to extract the frequencies of the main pinna notches (known as N-1, N-2, and N-3) in the frontal part of the median plane and build a model relating them to 13 different anthropometric parameters of the pinna, some of which depend on the elevation angle of the sound source. Results show that while the considered anthropometric parameters are not able to approximate with sufficient accuracy neither the N-2 nor the N-3 frequency, eight of them are sufficient for modeling the frequency of N-1 within a psychoacoustically acceptable margin of error. In particular, distances between the ear canal and the outer helix border are the most important parameters for predicting N-1.File | Dimensione | Formato | |
---|---|---|---|
spagnol_dafx15a.pdf
accesso riservato
Tipologia:
Publisher's version/PDF
Dimensione
465.87 kB
Formato
Adobe PDF
|
465.87 kB | Adobe PDF | Visualizza/Apri Richiedi una copia |
Pubblicazioni consigliate
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.