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Bios September 8, 2021

Colleen Richey

Research Linguist, Speech Technology and Research Laboratory

Colleen Richey is a research linguist in SRI International’s Speech Technology and Research Laboratory.

Recent publications

more +
  • Speech‐based markers for post traumatic stress disorder in US veterans

    This study demonstrates that a speech-based algorithm can objectively differentiate PTSD cases from controls.

  • Mapping Individual to Group Level Collaboration Indicators Using Speech Data

    To address the challenge of mapping characteristics of individuals’ speech to information about the group, we coded behavioral and learning-related indicators of collaboration at the individual level.

  • Robust Speaker Recognition from Distant Speech under Real Reverberant Environments Using Speaker Embeddings

    This article focuses on speaker recognition using speech acquired using a single distant or far-field microphone in an indoors environment.

  • Voices Obscured in Complex Environmental Settings (VOiCES) corpus

    This work is a multi-organizational effort led by SRI International and Lab41 with the intent to push forward state-of-the-art distant microphone approaches in signal processing and speech recognition.

  • The SRI speech-based collaborative learning corpus

    We introduce the SRI speech-based collaborative learning corpus, a novel collection designed for the investigation and measurement of how students collaborate together in small groups.

  • Privacy- preserving speech analytics for automatic assessment of student collaboration

    This work investigates whether nonlexical information from speech can automatically predict the quality of small-group collaborations. Audio was collected from students as they collaborated in groups of three to solve math problems.

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