차량 음향 시스템의 음질평가를 위한 다변량 분산분석

초록

In this work we measured and analyzed the subjective opinions of consumers to-wards the sound quality of car audios through a questionnaire. First of all, we choseeight controllable factors which had been known to aect the quality of reproducedsound. An orthogonal design of experiments was used to imitate the objective soundenvironments by reproducing the combinations of 8 sound characteristics, each with twolevels. Then we dened 8 corresponding response variables to measure the subjectiveopinions towards the quality of reproduced sound. Finally, we applied the MultivariateAnalysis of Variance to explore the signicant sound characteristics which aected thesubjective opinions towards the quality of reproduced sound.

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