TidyVoice 2026 Challenge Evaluation Plan

Aref Farhadipour; Jan Marquenie; Srikanth Madikeri; Teodora Vukovic; Volker Dellwo; Kathy Reid; Francis M. Tyers; Ingo Siegert; Eleanor Chodroff

arXiv · 2601.21960

TidyVoice 2026 Challenge Evaluation Plan

Aref Farhadipour·Jan Marquenie·Srikanth Madikeri·Teodora Vukovic·Volker Dellwo·Kathy Reid·Francis M. Tyers·Ingo Siegert·Eleanor Chodroff

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Abstract

The performance of speaker verification systems degrades significantly under language mismatch, a critical challenge exacerbated by the field's reliance on English-centric data. To address this, we propose the TidyVoice Challenge for cross-lingual speaker verification. The challenge leverages the TidyVoiceX dataset from the novel TidyVoice benchmark, a large-scale, multilingual corpus derived from Mozilla Common Voice, and specifically curated to isolate the effect of language switching across approximately 40 languages. Participants will be tasked with building systems robust to this mismatch, with performance primarily evaluated using the Equal Error Rate on cross-language trials. By providing standardized data, open-source baselines, and a rigorous evaluation protocol, this challenge aims to drive research towards fairer, more inclusive, and language-independent speaker recognition technologies, directly aligning with the Interspeech 2026 theme, "Speaking Together."

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Aref Farhadipour, Jan Marquenie, Srikanth Madikeri, Teodora Vukovic, Volker Dellwo, Kathy Reid, Francis M. Tyers, Ingo Siegert, Eleanor Chodroff. 2026-01-29. TidyVoice 2026 Challenge Evaluation Plan. https://arxiv.org/abs/2601.21960

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