인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
피인용 0
초록·키워드
When people hear sounds through sound system, perceptive loudness of each sound pressure level varies with each level. This difference causes some confusion in adjusting volume level and designing the volume level of sound systems. According to previous studies, it is known that perceptive sensitivity of variation in sound pressure level depends on the sound pressure level and frequency of sound source. However, quantitative analysis on user’s perceptive sensitivity of sound level which they actually perceive from the change of sound pressure level has not been studied yet. This study aims to understand the perceptive sensitivity of variation in sound pressure level for some specific frequency bands. To this end, 118 sound samples (frequencies: 500 ㎐, 1 ㎑, 2 ㎑, sound pressure levels: from 40㏈ SPL to 100㏈ SPL) were evaluated by 27 participants (male: 17, female: 10) in the condition of driving automobile. Based on the results of subjective ratings of unit change of sound pressure level and 2㏈ SPL, the characteristics of perceptive sensitivity of variation in sound pressure level were identified. Also, through curve fitting analysis of the subjective rating results, perceptive sensitivity curves of each frequency were estimated. According to the results, when frequency is high, the perceptive sensitivity tends to be more sensitive than the case of low frequency and the sensitivity curve was estimated to have cubic relation. These results could be used to adjust the volume level of sound system in automobile to meet customer’s perceptive characteristics and needs.
본문·목차
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
최근 본 자료 전체보기
UCI(KEPA) : I410-ECN-0101-2012-530-003584403
