現実環境および仮想音響環境における援助なしおよび援助ありの音声明瞭度
Julia Schütze1, Stephan D Ewert1, Christoph Kirsch1
1Medical Physics and Cluster of Excellence Hearing 4 All, Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany.
Trends in hearing
|December 15, 2025
まとめ
この研究は、シミュレートされたリビングルームの仮想音響が実世界の補聴器パフォーマンスを正確に予測することを示しています。補聴器の利点は、シミュレートされた環境と標準的な聴覚検査で一貫していました。
科学分野:
- 聴覚学;音響学;聴覚科学
背景:
- 標準的な聴覚検査は、実世界の補聴器の効果を反映していない可能性があります。日常のリスニングには、反射や複数の音源を伴う複雑な音響環境が含まれます。
研究 の 目的:
- 現実的なシミュレートされたリビングルーム環境における音声認識閾値(SRT)を調査すること。シミュレートされた対標準的な聴覚空間構成における補聴器の利点を比較すること。補聴器のパフォーマンスを評価するための仮想音響の実現可能性を評価すること。
主な方法:
- 音声認識閾値は、隣接するキッチンを備えたシミュレートされたドイツのリビングルームで文テストを使用して測定されました。音響シミュレーションは、86および4台のスピーカーアレイを使用して作成されました。測定には、さまざまな空間構成で、補聴器の有無にかかわらず、正常聴力および難聴のリスナーが含まれていました。
主要な成果:
- シミュレートされた環境におけるSRTは、援助なしおよび援助ありのリスナーの両方で実際の環境と密接に一致しました。仮想音響(86および4台のスピーカー)は、実世界のリスニング条件を効果的に表していました。正規化された信号対雑音比は、標準(S0N90)およびシミュレートされた環境間で補聴器の利点に有意差がないことを示しました。
結論:
- 仮想音響は、聴覚評価のために実世界のリスニング環境を正確にモデル化できます。シミュレートされた複雑な環境で測定された補聴器の利点は、標準的な聴覚設定で測定されたものと比較可能です。このアプローチは、より生態学的に妥当な補聴器評価のための有望な方法を提供します。
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