Curated and annotated speaker-verification corpora built to order

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Curated and annotated speaker-verification corpora built to order: voiceprint samples tagged to speaker identities and passphrases (clip-to-Speaker-ID and verified-user assignment), vocal-trait annotations (low tone, high pitch, accented speech), quality and mismatch flags on rejected clips, and deliberately-collected hard cases — voice mimics, noisy recordings, distorted audio — escalated to biometric specialists. Stated scale guidance: task scopes around 15,000 speaker samples, 5,000-20,000+ clips per speaker category, a further 3,000-10,000 clips to lift accuracy, hundreds of thousands of clips to start a verification model and millions at large-scale deployment