摘要: A system for processing an audio signal playback over headphones in which the apparent sound source is located outside of head listener processes input as if it were made up a direct wave portion, early reflections and reverberations portion. The portion processed filters whose filter coefficients are chosen based upon desired azimuth virtual location. reflection passed through bank connected parallel on each azimuth. outputs these scalars to adjust amplitude simulate range source. reverberation without any location information, using random number generator, example, output attenuated exponential attenuator be faded out. attenuators then all summed produce left right headphone signals respective transducers.
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google.tl 参考文章(3)
Shoji Makino, Yutaka Kaneda, Yoichi Haneda, Acoustic transfer function simulating method and simulator using the same ,(1992)
Durand R. Begault, Head related transfer function pseudo-stereophony Journal of the Acoustical Society of America. ,vol. 94, pp. 2477- 2477 ,(1993) , 10.1121/1.407383
Durand R. Begault, Head related transfer function pseudo-stereophony nasa. ,(1992)