ウォーキング・アンド・リスニング: 大学地区のサウンドスケープに関する多次元研究

Ilaria Grecchi¹, Giorgia Guagliumi¹, Oscar Azzimonti²

¹Department of Environmental and Earth Sciences, University of Milano-Bicocca, Milan, Italy.

PloS one

|February 20, 2026

まとめ

サウンドスケープの知覚はデシベル以上のものです. この研究は,水音や緑地のような文脈と意味が,人々が騒音をどのように認識するかに大きく影響し,純粋に音響的な指標に挑戦することを明らかにしています.

科学分野:

環境心理学環境心理学
アコースティクスアコースティクス
都市計画都市計画

背景:

人間の知覚は感覚に依存し,聴覚は研究の焦点となっている.
音景観に対する主観的な反応を理解することは,都市環境にとって極めて重要です.

研究の目的:

音景観に対する主観的な感情的反応を客観的な精神音響的パラメータと比較する.
サウンドスケープの評価に影響を与える深い知覚と文脈的要因を探求する.

主な方法:

大学地区で5回のサウンドウォークを行い,バイナウラル録音を収集しました.
フォーカスグループでの議論を活用し,認識と文脈に関する定性的なデータを収集しました.
主観的な反応を精神音響指標と場所の特徴と相関させる調査データを分析した.

主要な成果:

緑地や広場が好まれ,特定の精神音響のプロファイルを持つクラスタリングが行われた.
音声レベル (dBA) が類似したサイトでは,音源の意味に基づいて異なる認識が得られました.
水音は,より少ない騒音として認識され,高いdBAのサイトは,混沌としたまたは単調なと評価されました.

結論:

主観的な音の知覚は,音響メトリックだけでなく,文脈的,意味的要因の影響を受けます.
音響メトリックだけでは,音景観の知覚の複雑さを完全に捉えるには不十分です.
主観的なデータと客観的なデータの統合は,効果的な都市音景のデザインに不可欠です.

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