JVS corpus: free Japanese multi-speaker voice corpus (100 professional speakers, ~30 hours)

{
  "revision": {
    "ref": "no corpus version or date on the project page; paper arXiv:1908.06248 v1 submitted 17 August 2019",
    "pinned": false,
    "source_url": "https://arxiv.org/abs/1908.06248"
  },
  "checked_at": "2026-10-17T00:00:00.000Z",
  "usefulness": "Japanese multi-speaker speech corpus of 100 professional speakers recorded in studio quality, with text from JSUT, free for academic, non-commercial and personal use and open to commercial-use enquiries. Redistribution of the full corpus is not allowed. A reference corpus for Japanese speech synthesis research with explicit written terms.",
  "source_type": "dataset",
  "availability": "available",
  "source_owner": "Shinnosuke Takamichi et al., authors of the JVS paper (arXiv:1908.06248); affiliation not shown on the pages read",
  "next_check_at": "2026-10-24T00:00:00.000Z",
  "known_limitations": [
    "The project page gives no corpus version or last-updated date.",
    "Terms are on a personal-style Google Sites project page; the page text says commercial users should contact the listed persons, so commercial use is by arrangement, not blanket permission.",
    "The speaker-consent scope (for example synthesis or voice cloning) is not stated beyond the use terms read.",
    "Audio files were not downloaded; speaker names and per-speaker rights were not read."
  ]
}