09MR4100, Development of Next-Generation DTV Core Technology,
Jin Woong Kim
Abstract
본 논문에서는 헤드폰 또는 이어폰을 이용하여 오디오 신호를 청취할 때 공간감 및 현실감을 높일 수 있는 음상 외재화알고리즘을제안한다. 제안한방법은음상정위를위해변형된머리전달함수를사용하였고, 음향시뮬레이션기법을통해생성한임펄스응답을공간감을위한반사음으로사용하였다. 변형된머리전달함수는기존의머리전달함수와음상정위효과는유지하면서, 음색의변화를최소화하는방법으로개발이되었으며, 음향시뮬레이션기법은자연스러운반사음을획득하기위해사용되었다. 제안한알고리즘의검증을위해청취평가를수행하였다. 청취평가를통해제안한알고리즘이음상외재화효과가있음을알수있었는데, 전방과후방지역에음상이위치하는경우보다는좌측과우측에음상이위치한경우에 음상 외재화 효과가 잘 나타난다는 것을 알 수 있었다.
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J. Kim et. al, "Trends in Lightweight Kernel for Many core Based High-Performance Computing", Electronics and Telecommunications Trends. Vol. 32, No. 4, 2017, KOGL Type 4: Source Indication + Commercial Use Prohibition + Change Prohibition
J. Sim et.al, “the Fourth Industrial Revolution and ICT – IDX Strategy for leading the Fourth Industrial Revolution”, ETRI Insight, 2017, KOGL Type 4: Source Indication + Commercial Use Prohibition + Change Prohibition
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