聴覚障害者集団におけるバイナラルブロードバンド音量の過剰の流行と補聴器の増幅目標への影響
Florian Denk1, Dirk Oetting2, Matthias Latzel3
1German Institute of Hearing Aids, Lübeck, Germany.
PloS one
|August 29, 2025
まとめ
聴覚障害者のバイナウラルブロードバンド音量の合計は,かなり高く,変化しています. この特徴は,約40%のユーザーに共通しており,最適の音質感受のために個別化された補聴器の調整が必要になる可能性があります.
科学分野:
- 聴覚学
- 精神音響学
- 聴覚科学
背景:
- 聴覚障害者の間でバイナラル・ブロードバンド・ラウンドネス・サマット (BBLS) の個別の差異は顕著である.
- これらの変異は補聴器の取り付けを複雑にし,効率的な騒音感知のために微調整が必要です.
研究 の 目的:
- 聴覚障害者のBBLSの特徴について
- 通常より高いBBLS値の流行を決定する.
- 補聴器のターゲットゲインの計算への影響を探求する.
主な方法:
- 聴覚障害者の180人が 聴覚診断を受けた.
- バイナウラル・ブロードバンドの音量計測が行われました.
- 補聴器の利得目標は,NAL-NL2,DSLm[i/o],およびtrueLOUDNESSの規定方法を使用して計算されました.
主要な成果:
- 聴覚障害のある参加者は平均で13dBのBBLS値を示し,聴覚が正常な参加者よりも大きな差異を示しました.
- 約40%の参加者は正常な聴覚範囲を超えたBBLSを示しました.
- trueLOUDNESSを使用した参加者の半数以上は,標準的な方法と比較して,獲得目標の有意な違いを示しました.
結論:
- 聴覚障害者の間で一般的な個別の特徴です.
- BBLSの評価は,個別化された補聴器のフィッティングの精度を高めることができます.
- 現在の処方方法は,特に騒音ベースのアプローチと比較して,個々のBBLSのバリエーションを完全に考慮していない可能性があります.
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