虚拟声频技术的研究进展

Research and Evolution on Virtual Audio Technology

简要介绍了目前虚拟声频技术的研究进展状况及存在的问题。虚拟声频是通过耳机或音箱阵列为听者创造一种具有三维方位感的声频环境幻觉，这种幻觉可以通过声频信号与听觉定位信息曲线的卷积来实现。由于虚拟声频定位技术涉及人的听觉生理学和听觉心理学，所以它是人类比较复杂的感知过程。针对虚拟声频技术问题，文章总结了近些年来这方面的相关研究成果，主要包括：虚拟声频定位及定位曲线，虚拟声频信号处理和虚拟声频技术目前存在的问题。

This paper simply introduces research evolution and existent problems on virtual audio technology at present. Virtual audio technology is to create the illusion that a listener is in a 3D acoustic environment through headphones or loudspeakers array. The illusion is achieved by convoluting audio signal with auditory localization cues. Because virtual audio technology relates to human' s physioacoustics and psychoacoustics, it is a more complicated perception procedure. For virtual audio technology, this paper concludes achievements in the past few decades including audio localization, localization cues, audio signal processing and existent problems.