한국음향학회:학술대회논문집 (Proceedings of the Acoustical Society of Korea Conference)
- 한국음향학회 2004년도 춘계학술발표대회 논문집 제23권 1호
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- Pages.81-84
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- 2004
서라운드시스템을 위한 가상 음상정위 알고리즘
Virtual Sound Localization algorithm for Surround Sound Systems
- 이신렬 (서울대학교 전기, 컴퓨터 공학부) ;
- 한기영 (서울대학교 전기, 컴퓨터 공학부) ;
- 이승래 (서울대학교 전기, 컴퓨터 공학부) ;
- 성굉모 (서울대학교 전기, 컴퓨터 공학부)
- Lee Sin-Lyul (Seoul National University) ;
- Han Ki-Young (Seoul National University) ;
- Lee Seung-Rae (Seoul National University) ;
- Sung Koeng-Mo (Seoul National University)
- 발행 : 2004.05.01
초록
In this paper, we propose a virtual sound localization algorithm which improves the sound localization accuracy and sound color preservation for two channel and multi-channel surround speaker layouts. In conventional CPP laws, the sound direction is different from the panning angle and the sound color is different from real sound source especially when the speakers are spread out widely. To overcome this drawback, we design a virtual sound localization algorithm using directional psychoacoustic criteria (DPC) and sound color compensator (SCC). The analysis results show that in the case of the proposed system, the sound direction is the same as the panning angle in the audible frequency range and the sound color is less deviated from a real sound source than the conventional CPP law. In addition, its performance is verified by means of subjective tests using a real sound source.