移動式聴覚スクリーニング用のアクティブノイズキャンセリングヘッドフォンの騒音軽減と安定性に関する可行性研究
Yuseon Byun1, Chanbeom Kwak2, Jihyeon Lee2
1Department of Medical Informatics and Statistics, Yonsei University Wonju College of Medicine, Wonju, South Korea; Research Institute of Hearing Enhancement, Yonsei University Wonju College of Medicine, Wonju, South Korea.
Hearing research
|February 14, 2026
まとめ
アクティブノイズキャンセリング (ANC) ヘッドホンは,モバイル純音色オーディオメトリー (PTA) の有望性を示しています. 彼らは,国際的な基準を満たすための背景騒音を効果的に軽減し,ほとんどの条件で安定した聴覚テストを保証します.
科学分野:
- オーディオロジー オーディオロジー
- アコースティクス アコースティクス
- バイオメディカルエンジニアリング
背景:
- モバイル純音色オーディオメトリー (PTA) には,信頼性の高いトランスデューサーが必要です.
- アクティブ・ノイズ・キャンセリング (ANC) ヘッドフォンは,ノイズ削減の可能性を秘めています.
研究 の 目的:
- モバイルPTA用のANCヘッドフォンの実現可能性を評価する.
- 国際基準に対して,騒音の減弱と刺激の安定性を評価する.
主な方法:
- 2つの商用ANCヘッドホンモデルを使用した実験研究.
- ISO 8253-1規格に基づいて測定された周囲の騒音の軽減.
- 頭と体シミュレータを使用して,さまざまなノイズ条件下で評価されたANC性能と純粋トーンの出力安定性.
主要な成果:
- ANCヘッドフォンは,環境騒音をISOで許容されるレベルまで,特に1000Hz以下まで低減しました.
- 騒音削減は最大20dBに達し,より低い周波数ではより大きな効果がありました.
- 安定した純音出力 (<1dBの偏差) は,安定したホワイトノイズとダイナミックホワイトノイズで観察されたが,純音ノイズでは変動が発生した.
結論:
- 商用ANCヘッドフォンは,モバイルPTAのために技術的に実現可能である.
- 国際的な環境騒音基準に適合しており,特に低周波の環境騒音に適合しています.
- 臨床的な自己管理された聴覚スクリーニングには,複雑な現実世界のノイズにおけるさらなる検証が必要である.
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