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MATLAB를 이용한 실시간 피치분석기 피치분석기 구현
박일서,안혜영,김대현,조철우 國立 昌原大學校 産業技術硏究所 2002 産技硏論文集 Vol.16 No.-
This paper describes procedures to implement a real-time pitch analyzer using Matlab. Matlab is a multi-purpose signal-processing tool. Using this tool real-time analysis tool is implemented. To make it real-time we used data acquisition toolbox which comes with Matlab. Autocorrelation method was used as a basic algorithm. The resulting pitch informations are displayed in two different forms, i.e. instantaneous pitch plot and pitch track. V/UV decision is performed using zero crossing rate and energy informations based on 500 utterances.
박일서,김대현,조철우,Bak Il-suh,Kim Dae-hyun,Jo Cheol-woo 대한음성학회 2002 말소리 Vol.44 No.-
There are many speech analysis tools available. Among them real-time analysis tool is very useful for interactive experiments. A real-time speech analysis tool was implemented using Matlab. Matlab is a very widely used general purpose signal processing tool. In general, its computational speed is relatively lower than that of the codes from conventional programming languages. Especially, real-time analysis including input of signal and output of the result was not possible in the past. However, due to the improvement of computing power of PCs and inclusion of real-time I/O toolboxes in Matlab, real-time analysis is now possible in some extent by Matlab only. In this experiment, we tried to implement a real-time speech analysis tool using Matlab. Pitch and spectral information is computed in real-time. From the result it is shown that such real-time applications can be implemented easily using Matlab.
초등학교 야구선수들의 등속성 근력 및 심폐지구력에 관한 연구
박일봉(Park Il-Bong),강성훈(Kang Sung-Hwun),차유림(Cha Yu-Rim),오경식(Oh Kyung-Sik),여남회(Yeo Nam-Hwoeh) 동아대학교 스포츠과학연구소 2005 스포츠科學硏究論文集 Vol.23 No.-
The purpose of this study was to investigate the result of on body composition, isokinetic muscle strength and cardiopulmonary in elementary school baseball player. The subjects consisted of 12aged male, who were divided into one group of 8 trained more than 2 years baseball experience and another group of 8 normal subjects. Cardiopulmonary metabolic variables were treasured during graded maximal exercise utilizing a treadmill. Also body composition and cybex isokinetic muscle strength were measured. The following conclusion was made in result of the test for the subjects. The height, weight and BMI, the player groups were shown to be higher significantly(p v.05) than normal groups. In isokiretic muscle strength, the player groups showed to be higher the significant(p <.05) than normal groups in cybex isokinetic muscle strength factor. In VO₂max, the player groups showed to be higher the significant(p <.05) than normal groups. From the result of this study, it can be concluded that elementary baseball players shown to be higher than normal groups for body composition, isokinetic muscle and cardiopulmonary.
이해중심 교육과정 통합의 가능성 모색: 백워드 설계 모형(backward design)을 중심으로
박일수 ( Li Soo Park ) 한국통합교육과정학회 2014 통합교육과정연구 Vol.8 No.2
이해란 학습자가 이전에 획득한 지식과 기술을 바탕으로 새로운 정보를 수용하고 확장하는 내재적이고 조직된 틀이며, 학습자가 내면화한 지식과 기술을 다른 맥락과 상황 속에 적용하여 문제를 해결하는 능력이다, 이것은 적극적이고 능동적인 사고 과정과 수행성을 포함한다. 이 연구에서는 이해의 의미를 전이가능성, 숳행성, 총체성으로 규정하였다,하편 교육과정 통합의 목적을 인격의 통합, 즉 전인성으로 규정한다면, 통합은 필연적으로 총체성, 승법성, 수행성을 수반한다. 이러한 이해와 통합의 유사성에 기초하여, 연구자는영속한 이해를 추구하는 백워드 설계 모형을 중심으로 이해중심 교육과정 통합의 가능성을 모색하였다. 초등학교 1학년 주제별 통합교과서 ``가게`` 단원을 백워드 설계 모형의 아이디어에 기초하여 재구성한 결과, 이해중심 교육과정 통합의 가능성을 확인하였다. 백워드 설계 모형에 기반한 이해중심 교육과정 통합이 2009 개정 초등학교 통합교과의 탈학문적 접근방식의 정점을 극대화하고, 학생들의 이해력을 향상시키는 방법으로 활용되기를기대한다. The study aims to explore the applicability of integrated curriculum for understanding by backward design. Understanding for curriculum and instruction emphasize the students` understanding. Understanding is an active process. Relating new information to previously learned ideas enables student to think through a problem and solve it for reaching a solution, has not been memorized. Backward design has an emphasis on learners` enduring understanding.Understanding is multidimensional and complicated. The six facets of understanding is explanation, interpretation, application, perspective, empathy,self-knowledge. The concept of understanding implies transferability, performance,wholeness. It`s related to the nature of integrated curriculum as wholeness,performance, multiplied approach. The study was deceloped that elementary integrated subject store unit applying the three stages of backward design. According to the results of this study,backward design met standards design. According to the results of this stuy,backward design met standards of 2009 revised integrated subjected curriculum and was able to develop integrated curriculum for understanding. Understanding by design couid be an alternative to intearated curriculum approach.