Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Auditory Pathway01:15

Auditory Pathway

7.1K
Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
7.1K
Respiratory System Abnormal Finding II: Palpation and Auscultation01:31

Respiratory System Abnormal Finding II: Palpation and Auscultation

1.4K
In assessing respiratory abnormalities, palpation and auscultation are critical tools for detecting and interpreting various pathophysiological changes. These techniques provide insight into underlying disorders by evaluating tactile sensations and sounds produced by the respiratory system.
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:
1.4K
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

942
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
942
Auditory Perception01:17

Auditory Perception

1.0K
The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
1.0K
Classification of Signals01:30

Classification of Signals

1.3K
In signal processing, signals are classified based on various characteristics: continuous-time versus discrete-time, periodic versus aperiodic, analog versus digital, and causal versus noncausal. Each category highlights distinct properties crucial for understanding and manipulating signals.
A continuous-time signal holds a value at every instant in time, representing information seamlessly. In contrast, a discrete-time signal holds values only at specific moments, often denoted as x(n), where...
1.3K
Physical Assessment of the Respiratory Tract IV: Auscultation01:28

Physical Assessment of the Respiratory Tract IV: Auscultation

2.1K
Auscultation is a crucial component of the physical assessment of the respiratory tract. It offers valuable insights into airflow through the bronchial tree and potential lung obstructions. This process involves careful listening to breath, voice, and adventitious sounds, which can reveal a wealth of information about a patient's respiratory health.
Breath Sounds
Breath sounds are categorized into vesicular, bronchovesicular, and bronchial.
2.1K

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

A bio-inspired feature extraction for robust speech recognition.

SpringerPlus·2014
Same journal

Physiological Validation of Glottal Airflow Estimation Using Neck-Surface Accelerometry: A Comparison With Electroglottographic Measures.

Journal of voice : official journal of the Voice Foundation·2026
Same journal

Voice Activity and Participation Profile in Teachers with and without Risk of Voice Disorders in Türkiye.

Journal of voice : official journal of the Voice Foundation·2026
Same journal

Staged Interventions for Vocal Fold Paresis and Paralysis: A Proposed Decision Paradigm for Type 1 Thyroplasty.

Journal of voice : official journal of the Voice Foundation·2026
Same journal

Characteristics of Nerve Injury, Regeneration, and Vocal Fold Movement After Recurrent Laryngeal Nerve Electrocautery Injury.

Journal of voice : official journal of the Voice Foundation·2026
Same journal

Effects of Stabilization Exercises on Head Posture, Vocal Efficiency and Pain in Patients with Nonspecific Chronic Neck Pain.

Journal of voice : official journal of the Voice Foundation·2026
Same journal

Correlation Between Age, Gender, and Self-Perceived Voice Handicap in Lebanese Patients With Hoarseness.

Journal of voice : official journal of the Voice Foundation·2026
関連記事をすべて見る

関連する実験動画

Updated: Jan 18, 2026

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
05:48

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Published on: August 9, 2024

2.0K

病的な声認識のための聴覚特徴抽出アプローチ

Youssef Zouhir1, Mohamed Zarka1, Lilia El Amraoui2

  • 1Research Laboratory Smart Electricity & ICT, SE&ICT Lab, LR18ES44, National Engineering School of Carthage, University of Carthage, Tunis, Tunisia.

Journal of voice : official journal of the Voice Foundation
|January 15, 2026
PubMed
まとめ
この要約は機械生成です。

Gammachirp FilterBankを使用した新しい聴覚特徴抽出(AFE)法は、病的な声認識を大幅に改善します。このアプローチは、音声障害の分類で高い精度を達成し、臨床スクリーニングを改善するために既存の方法を上回っています。

キーワード:
AFE聴覚特徴抽出聴覚フィルターバンク蝸牛モデル特徴抽出ガンマチャープフィルターバンク

さらに関連する動画

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
09:09

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

814
Asthma Detection Research Based on Voice Signal Processing and Machine Learning
04:04

Asthma Detection Research Based on Voice Signal Processing and Machine Learning

Published on: July 22, 2025

934

関連する実験動画

Last Updated: Jan 18, 2026

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
05:48

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Published on: August 9, 2024

2.0K
Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
09:09

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

814
Asthma Detection Research Based on Voice Signal Processing and Machine Learning
04:04

Asthma Detection Research Based on Voice Signal Processing and Machine Learning

Published on: July 22, 2025

934

科学分野:

  • 生物医学工学
  • 信号処理
  • 音声科学

背景:

  • 二項音声分類は、特定の病理学的タイプの区別において臨床的有用性が限定的です。
  • 効果的な病的な声認識(PVR)には、正確な多クラス分類が不可欠です。
  • 既存の特徴抽出方法は、病的な声のニュアンスを捉えるのにしばしば不十分です。

研究 の 目的:

  • 堅牢な多クラスPVRのための新しい聴覚特徴抽出(AFE)アプローチを導入すること。
  • 人間の聴覚知覚をシミュレートするために、Gammachirp FilterBank(GCFB)を使用して、音声特徴抽出を強化すること。
  • AFEアプローチのパフォーマンスを、ベンチマークデータセットで最先端の方法と比較して評価すること。

主な方法:

  • 蝸牛スペクトル挙動をシミュレートする128個のフィルターを備えたGammachirp FilterBank(GCFB)を採用したAFEアプローチを開発しました。
  • GCFB出力にデシメーション、立方根振幅圧縮、離散コサイン変換を適用して、AFE係数を生成しました。
  • Saarbruecken Voice Database(SVD)およびMEEIデータセットでAFEパフォーマンスを評価するためにHidden Markov Model Toolkitを使用しました。

主要な成果:

  • AFEアプローチは、SVDデータセットで二項分類で99.75%、多クラス分類で94.38%のバランス精度を達成しました。
  • AFEは、SVDでの二項分類において、HFCC(95.6%)、FDLP(94.8%)、MFCC(93.85%)を大幅に上回りました。
  • AFEは、SVDでの多クラス分類において、HFCC(72.93%)、FDLP(69.66%)、MFCC(60.03%)と比較して、優れた多クラス分類精度(94.38%)を示しました。
  • 病的な声分類において、MEEIデータベースで100%のバランス精度を達成しました。

結論:

  • 提案されたAFEアプローチは、音声病理分類のための高度に識別性の高い特徴セットを提供します。
  • AFEのパフォーマンスは、音声障害の臨床スクリーニングと診断の改善の可能性を示唆しています。
  • Gammachirp FilterBankベースの特徴抽出は、高度なPVRシステムのための有望な方向性を提供します。