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입체음향효과 향상을 위한 스테레오-10.2채널 블라인드 업믹스 기법
최선웅,현동일,이석필,박영철,윤대희,Choi, Sun-Woong,Hyun, Dong-Il,Lee, Suk-Pil,Park, Young-Cheol,Youn, Dae-Hee 한국음향학회 2012 韓國音響學會誌 Vol.31 No.5
본 논문에서는 입체음향효과의 향상을 위한 스테레오-10.2채널의 블라인드 업믹스 알고리즘을 제안하였다. 최근에, 소비자들은 더 나은 입체음향효과나 3D 사운드를 즐기길 원하고 다양한 멀티채널 포맷의 등장으로 업믹스 알고리즘들이 연구 되어 왔다. 그러나 기존의 업믹스 알고리즘들은 공간정보를 왜곡하는 문제점을 가지고 있었다. 이러한 문제점을 해결하기위해 전 후방 채널에 대한 이득 조절 및 10.2 채널의 각 채널별 믹싱 알고리즘을 제안한다. 기존의 상용화된 멀티채널 업믹스 알고리즘들과의 주관적 평가 실험결과 제안한 알고리즘은 입력신호의 공간정보를 유지하면서 입체음향효과를 향상시킨 것으로 확인되었다. In this paper, we proposed the stereo-10.2channel blind upmix algorithm for the enhanced 3D sound. Recently, consumers want to enjoy better sound and the use of a various of multichannel configuration has been steadily improved. Thus, upmix algorithms have been researched. However, conventional upmix algorithms have the problem that distorts the spatial information of original source. To solve this problem and enhance the spatial sound quality, we proposed front and rear channel gain adjustment and 10.2 channel upmix algorithm for each additional channel. The listening test results show that it maintains spatial information of stereo input and enhances 3D sound effects unlike other conventional upmix algorithms.
최선웅 한국지도학회 2008 한국지도학회지 Vol.8 No.1
독도의 지형도는 국가와 기관들에 의해 제작되었다. 1952년부터 2006년까지 한국 산악회, 국가기관(해군 수로국, 국립 건설 연구소, 국립 지리원 1, 2차, 수로국,국토지리정보원,국립해양조사원), 일본 국토지리원의 독도 측량과 지도 제작이 이루어졌다. 이는 기준점을 측량, 항공사진촬영 등을 바탕으로 1:25,000, 1:50,000 축척의 지도로 제작되었다. 우리나라의 1:25,000 독도 지형도는 비교적 부정확하게 표현된 반면, 일본의 1:25,000 독도 지형도는 비교적 독도의 형태를 적절하게 표현해냈다. Topographical maps of Dokdo are made by government and some state organs. From 1952 to 2006, it had measured Dokdo and made map by Korea Alpine Club, some state organs; the department of navy watercourse, national building lab, national department of geographyⅠandⅡ, department of watercourse, department of territory geography information, department of national navy examination and national department of geography in Japan. These were produced on 1 scale of 25,000 and 1 scale of 1:50,000 by measuring a datum point and aerial photograph. Japan's topographical maps of Dokdo(1:25,000) are represented exactly more than Koreaʼs.
최선웅 행정법이론실무학회 2020 행정법연구 Vol.- No.62
Case law is a bridge between theory and practice. Case law is a practical outcome of legal theory and serves as a measure to examine to what extent legal theory is applied in actual cases. At the same time, the emergence of precedents different from the existing theories is an opportunity to seek to establish a new legal theory or to enact new legislation. In particular, in the area of administrative law, which considers the rule of law as an imperative task, analyzing Korean administrative precedents is a basic work to determine the degree of administration of the law in Korea. On the other hand, in that case law is the result of legal life, it is possible to predict the direction and trend of social development in the future as well as in those days. Therefore, it is necessary to review the precedents for each year by dividing them in a timely manner and reviewing them continuously with temporal continuity, as it has its own significance. In this article, important precedents in the theory and practice of administrative law and social ramifications were selected in terms of new legal interpretations and concrete cases among the precedents sentenced during 2019, excluding precedents that follow the existing precedents as they are. The classification method of the selected precedents was based on the existing classification system of “A General Survey on Recent Cases of Administrative Law” published in a law journal called “Administative Law Journal”. As for the description method, first of all, since the court has a strong tendency to focus on concrete validity, it is decided to highlight the characteristics of individual cases as faithfully as possible by reproducing the facts as they actually existed. The contents of precedents, such as the summary of the case, the course of the lawsuit, main Issues and holdings, summary of decision and reasoning, were introduced in an appropriate manner in consideration of the weight of each of the selected precedents, and appropriate and concise explanations were provided. As for the narrative method, first of all, since the court has a strong tendency to value concrete validity, it was decided to highlight the characteristics of individual cases in as much detail as possible by faithfully reconstructing the facts as they existed. Next, considering the weight of each of the selected precedents, it was decided to introduce the contents of precedents, such as the summary of the case, the proceedings of the lawsuit, main Issues and holdings, summary of decision and reasoning in an appropriate manner, and provide appropriate and simple analysis and commentary corresponding thereto. In this way, the recent trends of the Supreme Court and Constitutional Court's precedents related to administration in 2019 were reviewed and you will find brief information on the two court’s latest decisions in major cases.