Voice and Speech Disorders

Voice and speech disorders encompass a broad range of conditions in which the vocal folds, respiratory system, or neural control of speech fail to function normally, producing symptoms that range from mild hoarseness to near-complete loss of voice. Dysphonia — the umbrella term for abnormal vocal quality — appears across many clinical contexts, from occupational overuse in teachers and singers to neurological disease, most notably Parkinson's, where it often emerges early and erodes both communication and quality of life. Researchers use acoustic analysis to quantify subtle changes in pitch, loudness, and vocal stability that the ear alone may miss, and these measurements are increasingly being paired with telemonitoring platforms to track patients between clinic visits. Open questions center on how sensitively acoustic biomarkers can detect disease progression, and on how speech therapy protocols should be adapted to serve patients who cannot easily travel for regular in-person care.

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Keywords

Voice DisordersParkinson's DiseaseDysphoniaSpeech TherapyAcoustic AnalysisVocal Fold