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	Funzione di Trasferimento Legata alla Testa	Analisi Vettoriale Indipendente
Campo	Fisica applicata	Fisica applicata
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1989	2007
Ideatore	Fredrik Wightman, Doris Kistler	Tae-Won Lee, Mark Lewicki, Terrence Sejnowski
Tipo	Frequency-dependent spatial filtering function	Multivariate matrix decomposition algorithm
Fonte seminale	Wightman, F. L., & Kistler, D. J. (1989). Headphone simulation of free-field listening. I: Stimulus synthesis. The Journal of the Acoustical Society of America, 85(2), 858-867.	Lee, T. W., Lewicki, M. S., & Sejnowski, T. J. (2007). Independent Component Analysis for Source Localization in Biomedical Signals. In Proc. IEEE Int. Conf. Acoust. Speech Signal Process., pp. 97-100.
Alias	HRTF, spatial hearing, binaural filter	IVA, multivariate ICA, vector blind source separation
Correlati	3	3
Sintesi	The Head-Related Transfer Function (HRTF) describes how the human head, ears, and torso filter sound from different directions. HRTFs capture the acoustical changes that occur as sound travels around the head to reach each ear, enabling the perception of sound location in 3D space. Measured or modeled HRTFs are essential for creating convincing 3D audio through headphones in virtual reality, spatial games, and immersive audio applications.	Independent Vector Analysis (IVA) is a multivariate extension of Independent Component Analysis that jointly separates multiple datasets while maintaining dependencies within each dataset. Developed by Lee, Lewicki, and Sejnowski in the 2000s, IVA is used for blind source separation in multi-channel audio, brain imaging, and signal processing. It exploits both the independence between sources and correlations within frequency bands or time-frequency structures.