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장기도(Kido Chang),박윤이(Yoonyee Pahk),김준태(Kim Jun-Tae),이해랑(Haerang Lee),도승헌(Seunghun Doh),백준상(Joonsang Baek) 한국디자인학회 2015 한국디자인학회 학술발표대회 논문집 Vol.2015 No.10
Crime against the intellectually disabled(ID) and children is becoming more prominent social issue, however, it is hard to find product or service that meet the needs and characteristic of these vulnerable victims. This study contains design direction derived from empirical study on the characteristic of ID and children. Over 70 actual cases were collected and analyzed to derive a sequential model of victim’s experience. A series of interview of experts in corresponding area was conducted based on the sequential model to find out physical and emotional experience of the victim in specific stages of crime which was followed by stereotyping of crime through generating personas. The purpose of this study is to define design direction that satisfy the peculiarity of ID and children. Utilizing the design direction form this study will aid in design practical solution for the beneficiaries.
직선배열 Microphone 에 의한 음원의 방향과 주파수의 분석 System
장지원,안배정인,김천덕,성호건일 한국수산학회 1980 한국수산과학회지 Vol.13 No.4
Various methods have been so far proposed to find out the directions and spectra of sound waves from the sources for provisions of noise controls. The conventional methods are generally classified into three systems such as, single microphone system, moving microphone system and multi-microphone system, which composes a resultant super directivity by giving a appropriate delay and a weighting coefficient in the output of each microphone. In case of using a single microphone there is a difficulty in providing it with desirable super directivity in the low frequency range, while in case of using multi-microphone system there has been a disadvantage that the measurement of directivity could not separately be done with the spectrum analysing. And in case of the use of a moving microphone system it needs a condition that the sound source to be detected should be stationary state and in rest. However here we introduce a method that the spectral analysing and the directivity of synthesis can be separately carried out by using a linear array of many microphones, in which each output of the microphone is multiplied by appropriate weighting coefficient and all of those products are summed after passing through adequate filters. The resultant signal is then sampled with an adequate sampling frequency and taken average for processing.
USER EXPERIENCE STUDY OF SMALL PORTABLE HOME APPLIANCES
Kyo-hwe Goo,Marian Adusei,Kido Chang,James Andrew Self,Jae-hyuk Chae 한국디자인학회 2015 한국디자인학회 학술발표대회 논문집 Vol.2015 No.10
The project is about developing the user experience of an existing sterilizer aimed at the domestic market. This paper attempts to find the insights and the needs of a small portable household appliance that is relevant to the home context. The results found from the user study suggest criteria for home appliance units in general and 3 main keywords were developed using the results. The paper shows how the results found in the user study are used to generate appropriate concepts for small portable home appliances.