An extensive data base of HRTF (Head Related Transfer Function) has been established in order to work with high qualities of 3D acoustic appliances. In comparison to previous measured HRTF data base from other researchers, the suggested data base is more suitable for Dolby referenced DVD titles because it sets the distance between a sound source and ear as 2m. It was possible to get a better sound quality when the data base was applied to a 3D sound algorithm that was intended to produce virtual sound using only two front loudspeakers.
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