본 논문에서는 현실세계에서 사용되던 오디오 처리 기법을 가상현실과 증강현실로 확장하는 기술에 대해 제시한다. 메타버스 서비스 구축 등에 활용되는 가상현실 공간을 설계할 때에는 오디오 처리를 위해서 가상현실 공간내 사용자가 위치하는 장면에 따른 소리의 회절과 반사에 따른 잔향 효과를 고려해 줄 수 있어야 장면에 몰입된 사용자 경험이 가능하다. 증강현실 응용에서는 실제 정보와 증강된 효과를 제공하기 위해 가상과 실제 정보간의 위치 정합이 영상 또는 위치를 기반으로 하여 제공되어야 한다. 가상현실과 증강현실 지원을 위해 현실세계 오디오 재생 기술에 추가되어야 하는 기술들과 함께 진행중인 몰입형오디오 서비스를 제공하기 위한 국제표준 기술 개발의 현황을 살펴보고, 향후 추가로 기술이 개발되고 보완되어야 할 부분을 제시한다.
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