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전상배,최인용,이민구,성굉모,Chon, Sang-Bae,Choi, In-Yong,Lee, Min-Gu,Sung, Koeng-Mo 한국음향학회 2007 韓國音響學會誌 Vol.26 No.7
In this paper, objectively quantified consonance of complex sound is proposed as a new psychoacoustical parameter. Proposing algorithm quantifies consonance of complex sound after applying psycho acoustical models which are parts of human perception such as masking effect, equal loudness contour, and critical band. To verify proposing algorithm, experiments with 10 car horn signals which have different complex sound were performed. The experiments show cross correlation of 0.95 between objectively quantified consonance by proposing algorithm and subjectively assessed consonance by listening tests. Considering the fact that there are few psychoacoustical parameter except Zwicker parameter, proposing algorithm will help to quantify psychoacoustical effect of complex sounds objectively. 본 논문에서는 객관적으로 정량화된 복합 신호음의 조화도를 새로운 심리 음향 파라미터로 제안하였다. 사람이 복합신호음을 인지하는 과정에서 발생하는 masking 효과, 등청감 곡선, criticalband 등의 심리음향학적인 모델들을 적용시킨 후, 그 소리가 어느정도의 조화도를 갖는지를 정량화시키는 모델을 제안하였고, 이를 검증하기 위하여 복합음으로 구성된 자동차 Horn 신호로 실험을 수행하였다. 실험 결과, 제안한 알고리즘에 의하여 정량화된 객관적인 조화도와 청취 평가를 통한 주관적인 조화도가 0.95의 cross correlation을 보였다. 현재 객관적인 심리음향학적인 파라미터로는 Zwicker 파라미터 외에는 거의 전무한 상태여서 제안하는 알고리즘을 통하여 소리의 심리음향학적인 효과를 보다 객관적으로 파악하는 데에 도움이 될 것으로 보인다.
田相培 大韓神經精神醫學會 1979 신경정신의학 Vol.18 No.4
The author made stud yon discharged alcoholics who received the group psychotherany in one way mirror room during their hospitalization to assess the probable therapeutic effect by comparing their period of abstinence. This study was performed in NMH from May 11, 1977 to May 23, 1979. The subject had history of psychiatric admission more than twice. The results are as follows; 1) Subject who received group psychotherapy had longer period of abstinence than when they had only individual psychotherapy. 2) Both the leader group and leader-less group were found to be therapeutic in one way mirror room. 3) A group of subject who were seated in front of mirror had longer period of abstinence than a group of subject who seated otherwise.