SIGNALAI·Jun 15, 2026, 4:00 AMSignal75Medium term

Learning to Hear Hesitation: Continual Learning for Disfluency-Aware ASR

Source: arXiv cs.AI

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Learning to Hear Hesitation: Continual Learning for Disfluency-Aware ASR

arXiv:2606.14391v1 Announce Type: cross Abstract: Despite advances in large-scale Automatic Speech Recognition (ASR), disfluent speech remains challenging, as state-of-the-art systems are often optimized to omit disfluencies, leading to information loss and hallucinations. Prior work has focused on verbatim transcription and the integration of disfluency markers, but adapting models on limited datasets can lead to catastrophic forgetting of general-domain knowledge. We address this gap by leveraging continual learning (CL) with explicit disfluency tokens. We first introduce these tokens into a

Why this matters
Why now

The proliferation of more natural human-AI interaction methods, coupled with advanced ASR models, necessitates better handling of natural speech disfluencies for improved user experience and performance.

Why it’s important

This research addresses a key limitation in current ASR, which often struggles with the nuances of natural human speech, impacting the reliability and accuracy of voice-driven applications.

What changes

ASR systems will evolve from merely transcribing ideal speech to accurately capturing and interpreting the full spectrum of human vocalizations, including 'ums' and 'uhs', leading to more robust and human-like AI interactions.

Winners
  • · AI developers
  • · Customer service platforms
  • · Speech-to-text applications
  • · Accessibility technology
Losers
  • · Existing ASR models (without disfluency handling)
  • · Companies reliant on perfect speech inputs
Second-order effects
Direct

ASR models become significantly more accurate and natural in understanding human speech.

Second

Improved ASR accelerates the development and adoption of AI agents that can seamlessly interact with humans through voice.

Third

Enhanced voice interfaces deepen human reliance on AI for daily tasks, blurring the lines between human and machine communication in numerous sectors.

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

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Read at arXiv cs.AI
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