SIGNALAI·Jul 1, 2026, 4:00 AMSignal75Short term

Adapting Foundation ASR Models to Dysarthric Speech: A Case Study

Source: arXiv cs.CL

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Adapting Foundation ASR Models to Dysarthric Speech: A Case Study

arXiv:2606.31722v1 Announce Type: new Abstract: Automatic speech recognition (ASR) systems often perform poorly in dysarthric speech, limiting their usefulness to affected speakers in everyday communication. This paper presents a personalized ASR system for a dysarthric speaker, built by adapting a foundation ASR model to speaker-specific data. Using the TEQST tool, we collected 92 hours of read speech and later added 8.8 hours of user corrections gathered through a deployed mobile application. Starting from Whisper, fine-tuning reduced word error rate to 15.8% with only 1.4 hours of adaptatio

Why this matters
Why now

Advances in foundation models and fine-tuning techniques are making it possible to address long-standing challenges in accessibility for specialized populations.

Why it’s important

This development demonstrates a practical application of AI in improving quality of life for individuals with disabilities, expanding the utility of ASR systems beyond general populations.

What changes

The ability to personalize ASR with relatively small datasets of speaker-specific data makes AI-powered communication tools more accessible and effective for dysarthric individuals.

Winners
  • · Dysarthric individuals
  • · Assistive technology companies
  • · Healthcare providers
  • · AI model developers
Losers
  • · ASR systems lacking adaptability
  • · Generalized communication solutions
Second-order effects
Direct

Improved communication for individuals with dysarthria, leading to greater independence and social inclusion.

Second

Increased demand for personalized AI solutions in healthcare and accessibility, spurring further research and product development.

Third

The development of more inclusive digital interfaces and broader societal benefits from AI tailored to diverse user needs.

Editorial confidence: 90 / 100 · Structural impact: 55 / 100
Original report

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Read at arXiv cs.CL
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