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밸런스드 아마추어 초소형 스피커의 진동 및 음향특성 연구
고동신(Dong Shin Ko),허덕재(Duk Jae Hur),권상엽(Sang Yup Kwon),이성수(Sung Su Lee) 한국소음진동공학회 2016 한국소음진동공학회 논문집 Vol.26 No.1
This paper describes the development process for vibration and acoustic characteristics of a balanced armature speaker. The design parameters were chosen in consideration of the influence of the bending stiffness of balanced armature which is the form of a cantilever structure in the speaker. For study of the performance of the speaker according to the design parameters, in the first step, we analyzed the characteristics of the velocity of the diaphragm to the electrical input. Next step, acoustic characteristics were analyzed by structural-acoustic coupled analysis. And the reliability of the analysis was verified by comparing the result of analysis with test results. Finally, we proposed a design method for implementing an enhanced balanced armature speakers through analysis method.