By Simon Carlile
An phantasm of auditory area should be generated through the right filtering of sounds awarded over headphones: the so-called digital auditory house (VAS). This ebook offers a bridge among a few of the varied disciplines which are enthusiastic about constructing and exploiting this expertise. the 1st half is reasonably introductory in nature, whereas the second one examines a couple of matters in relation to the iteration of excessive constancy digital auditory house. The final chapters assessment present study functions of VAS.
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Additional info for Virtual Auditory Space: Generation and Applications
66. Wightman FL, Kistler DJ. The dominant role of low-frequency interaural time differences in sound localization. J Acoust Soc Am 1992; 91: 1648-1661. 67. Harris JD, Sergeant RL. Monaural/binaural minimum audible angles for a moving sound source. J Speech and Hear Res 1971; 14:618-629. 68. Perrott DR, Musicant AD. Minimum audible movement angle: Binaural localization of moving sound sources. J Acoust Soc Am 1977; 62: 1463-1466. 69. Perrott DR, Tucker J. Minimum audible movement angle as a function of signal frequency and the velocity of the source.
Brillouin19 likens the phase and group velocities to the ripples caused by a stone cast into a pond. He points out for instance that if the group velocity of the ripple is greater than the phase velocity one sees wavelets appearing at the advancing edge of the ripple, slipping backwards through the packet of wavelets that make up the ripple and disappearing at the trailing edge. CarlileCh02 32 4/26/01, 12:00 PM 33 The Physical and Psychophysical Basis of Sound Localization Fig. 3. Measurements of the interaural time differences using a dummy head reveal that this is a function of both frequency and the type of sound.
5 kHz), but is frequency dependent at higher frequencies. The phase and group velocities have also been calculated for the first five acoustic modes of the “creeping waves” around a rigid sphere b The acoustic wave number simply allows a more general relationship to be established between the wavelength of the sound and the dimensions of the object. 75 cm). 0. The “creeping waves” are the waves resulting from the interaction of the incident and reflected sounds close to the surface of the obstacle.