선택한 단어 수는 입니다.
최소 단어 이상 선택하여야 합니다.
최소 단어 이상 선택하여야 합니다.
선택한 단어 수는 30입니다.
최대 10 단어까지만 선택 가능합니다.
최대 10 단어까지만 선택 가능합니다.
제안 방법
- To predict the subjective performance of the loud speaker, a scoring algorithm based on frequency response characteristic and directivity is proposed. In this proposed algorithm, some psychoacoustic facts are considered and listening test was carried out to verify the results of the proposed algorithm.
대상 데이터
- The frequency range of the measurement was in the range of 20Hz through 20kHz. The measuring distance was 2.5m and the listening room located in Applied Acoustics Lab at Seoul Nation University was used. The output power of the loudspeakers was set to 1 watt in the measurements.
- Since four loudspeakers were involved, the total score that a loudspeaker can have is between-9 and 9 for each subject. The scores of the listening test were summed up for every 39 subjects and averaged.
- Subjective listening test was performed in the same place where the measurement took place. Thirty nine subjects participated in the test. All were college students and in their 20s.
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