ボルテックスホイッスルシステムを用いて,音声配分を用いて音声気流を推定する
Shaheen N Awan1, Jordan A Awan2, Heather Shaw Bonilha3
1Communication Technologies Research Center, University of Central Florida, Orlando, Florida; School of Communication Sciences and Disorders, University of Central Florida, Orlando, Florida.
Journal of voice : official journal of the Voice Foundation
|August 29, 2025
まとめ
低コストの渦笛システム (VWS) は,音声配分 (PQ) を正確に測定し,声の評価における臨床的な空気流量測定の有効な代替品として機能します. これはスピーチ・ランゲージ・パソロジストにとって 呼吸器の分析を容易にするものです
科学分野:
- 言語 と 聴覚 の 科学
- 生物医学工学
- 呼吸器の生理学
背景:
- Phonation quotient (PQ) は,音声分析における重要な指標である.
- 臨床的評価はしばしば,高価なシステムで測定された音声気流 (PA) に依存する.
- PQ測定のための低コストの代替手段の評価は,アクセシビリティにとって極めて重要です.
研究 の 目的:
- 低コストの渦笛システム (VWS) から得られた発声率 (PQ) と,臨床標準で測定された発声気流 (PA) を比較する.
- ゴールドスタンダードスピロメーターでVWSによるPQを検証する.
- 通常の声の評価のためのVWSの実現可能性を評価する.
主な方法:
- 91人の健康な若年 (18~30歳) が参加した.
- VWSとKoko Sx1000スピロメーターを使用して,生命能力 (VC) と最大音響時間 (MPT) を測定した.
- 音声気流 (PA) は音声気力学システム (PAS) を用いて測定した. PQはVC/MPTとして計算された.
主要な成果:
- VWSから派生したPQと臨床PA (r=0. 791) の間には高い相関が認められた.
- VWSから派生したPQは,ゴールドスタンダードスピロメーターPQと強い相関を示した (r=0.961).
- VWSによるPAの誤差は,許容可能な臨床的変動範囲内であった.
結論:
- 低コストのVWSは,ゴールドスタンダードスピロメーターに匹敵する正確なPQ測定を提供します.
- VWSから派生したPQは,臨床的なフォナトリー空気流量 (PA) 測定の信頼できる代替品として役立つ.
- VWSはスピーチ言語病理学者のための 音声評価プロトコルを強化するための 有望で費用対効果の高いツールです
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