115 コンジョイント分析を利用した機械音の音質の経済評価(音色・音質の評価・改善技術,騒音・振動改善技術)

Translated title of the contribution: 115 Economic Valuation of the Sound Quality of Machinery Noise Using Conjoint Analysis

高田 正幸, 荒瀬 智子, 岩宮 眞一郎

Research output: Contribution to journalArticle

Abstract

Experiments were conducted to evaluate the economic value of the sound quality of machinery noise emitted from vacuum cleaners and hair dryers. In the experiment concerning vacuum cleaners, stimulus cards of twenty-seven kinds of vacuum cleaners were presented to participants. Each card gave participants details of the characteristics of each vacuum cleaner in respect to six attributes; manufacturer, price, noise level (dBA) and sharpness (acum) of the machinery noise, etc. Each attribute had two to five levels. For the attributes of noise level and sharpness, three levels were set up (64, 59, 54 dBA and 2.46, 2.21, 1.96 acum, respectively). 50 students evaluated their preferences for each vacuum cleaner. Rating values were applied to conjoint analysis. As a result, students regarded "price" as most important. The partial utilities of each level for each attribute were also obtained. In the attributes of noise level and sharpness of the machinery noise, the partial utilities increased as noise level and sharpness decreased. Furthermore, the estimated value for a 5 dBA reduction was 3347 Japanese yen, and for a 0.25 acum reduction, approximately 3692 Japanese yen.
Translated title of the contribution115 Economic Valuation of the Sound Quality of Machinery Noise Using Conjoint Analysis
Original languageJapanese
Pages (from-to)57-60
Number of pages4
Journal環境工学総合シンポジウム講演論文集
Volume2005
Issue number15
Publication statusPublished - Jul 6 2005

Fingerprint Dive into the research topics of '115 Economic Valuation of the Sound Quality of Machinery Noise Using Conjoint Analysis'. Together they form a unique fingerprint.

Cite this