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논문 기본 정보

자료유형
학술저널
저자정보
Kang, Cheol Yong (Graduate of Nano IT Design Fusion, Seoul National University, of Science and Tech.) Mariappan, Vinayagam (Media IT Engineering, Seoul National University, of Science and Tech.) Cho, Juphil (Dept. Of Integrated IT & Communication Eng., Kunsan National University) Lee, Seon Hee (Dept. Of Electronics and IT Media Eng., Seoul National University, of Science and Tech.)
저널정보
한국인터넷방송통신학회 International journal of advanced smart convergence International journal of advanced smart convergence 제5권 제4호
발행연도
2016.1
수록면
15 - 20 (6page)

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When a virtual sound source for 3D auditory system is reproduced by a linear loudspeaker array, listeners can perceive not only the direction of the source, but also its distance. Control over perceived distance has often been implemented via the adjustment of various acoustic parameters, such as loudness, spectrum change, and the direct-to-reverberant energy ratio; however, there is a neglected yet powerful cue to the distance of a nearby virtual sound source that can be manipulated for sources that are positioned away from the listener's median plane. This paper address the problem of generating binaural signals for moving sources in closed or in open environments. The proposed perceptual enhancement algorithm composed of three main parts is developed: propagation, reverberation and the effect of the head, torso and pinna. For propagation the effect of attenuation due to distance and molecular air-absorption is considered. Related to the interaction of sounds with the environment, especially in closed environments is reverberation. The effects of the head, torso and pinna on signals that arrive at the listener are also objectives of the consideration. The set of HRTF that have been used to simulate the virtual sound source environment for 3D auditory system. Special attention has been given to the modelling and interpolation of HRTFs for the generation of new transfer functions and definition of trajectories, definition of closed environment, etc. also be considered for their inclusion in the program to achieve realistic binaural renderings. The evaluation is implemented in MATLAB.

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