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[Author] Tegyu LEE(1hit)

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  • An Efficient Acoustic Distance Rendering Algorithm for Proximity Control in Virtual Reality Systems

    Yonghyun BAEK  Tegyu LEE  Young-cheol PARK  

     
    LETTER-Digital Signal Processing

      Vol:
    E100-A No:12
      Page(s):
    3054-3060

    In this letter, we propose an acoustic distance rendering (ADR) algorithm that can efficiently create the proximity effect in virtual reality (VR) systems. By observing the variation of acoustic cues caused by the movement of the sound source in the near field, we develop a model that can closely approximates the near-field transfer function (NFTF). The developed model is used to efficiently compensate for the near-field effect on the head related transfer function (HRTF). The proposed algorithm is implemented and tested in the form of an audio plugin for a VR platform and the test results confirm the efficiency of the proposed algorithm.