"It's not a representation of me": Examining Accent Bias and Digital Exclusion in Synthetic AI Voice Services

Authors:
  • SMShira Michel
    Shira Michel
  • SKSufi Kaur
    Sufi Kaur
  • SGSarah Elizabeth Gillespie
    Sarah Elizabeth Gillespie
  • JGJeffrey Gleason
    Jeffrey Gleason
  • CWChristo Wilson
    Christo Wilson
  • AGAvijit Ghosh
    Avijit Ghosh
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Abstract
Recent advances in artificial intelligence (AI) speech generation and voice cloning technologies have produced naturalistic speech and accurate voice replication, yet their influence on sociotechnical systems across diverse accents and linguistic traits is not fully understood. This study evaluates two synthetic AI voice services (Speechify and ElevenLabs) through a mixed methods approach using surveys and interviews to assess technical performance and uncover how users' lived experiences influence their perceptions of accent variations in these speech technologies. Our findings reveal technical performance disparities across five regional, English-language accents and demonstrate how current speech generation technologies may inadvertently reinforce linguistic privilege and accent-based discrimination, potentially creating new forms of digital exclusion. Overall, our study highlights the need for inclusive design and regulation by providing actionable insights for developers, policymakers, and organizations to ensure equitable and socially responsible AI speech technologies.

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