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Speech Pattern Variability in the Speech Accessibility Project
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DOI：10.1007/978-3-032-07083-8_2.png)
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Abstract
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This article reports on speech characteristics observed in recordings of speech by people with Parkinson's disease. Participants included people who self-reported diagnoses including Classic Idiopathic Parkinson's (IPD) disease, Progressive Supranuclear Palsy (PSP), Multi-system Atrophy (MSA), Cortical Basal Degeneration (CBD), implanted systems for Deep Brain Stimulation (DBS) [1], and people both currently taking and currently not taking levodopa [2]. For reasons of participant privacy, individual self-diagnoses are not included in distributed metadata. A large majority of the recorded samples exhibit the acoustic correlates of hypokinetic dysarthria classically observed in IPD, including reduced loudness, monotone, breathy, hoarse voicing, imprecise consonantal articulation, and increased, decreased or variable speaking rate [3]. A small minority of speech samples (15%) exhibit samples observed in Parkinsonisms (Atypical Parkinsonian Syndromes) including PSP, MSA, CBD, as well as DBS [4-6]. These disorders have been associated with a range of hypokinetic, spastic and ataxic dysarthria, stuttering, disordered articulation characterized by articulatory imprecision, vocal strain or spasticity, and disordered rate.
Keywords:
Parkinson's disease
hypokinetic dysarthria
accessibility
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