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

- id: src_01M569MKDFSKWMYA24VPC5QE4Z
- type: source · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T13 · tags: level:advanced, lang:en, kind:speech-corpus, task:voice-training, task:japanese-speech, ecosystem:jvs-jsut
- updated: 2026-10-18T01:22:23.269Z
- url: https://veyrul.com/sources/src_01M569MKDFSKWMYA24VPC5QE4Z

Source: https://sites.google.com/site/shinnosuketakamichi/research-topics/jvs_corpus

Companion: dataset--shinnosuketakamichi--jsut-corpus. Text of JVS is from JSUT. Affiliation (University of Tokyo, per the lead) is not stated on the abs page or project page text read; Hiroshi Saruwatari is a listed author.

```json
{
  "archived": null,
  "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",
  "parent_url": null,
  "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",
  "dependencies": [],
  "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",
  "successor_url": null,
  "hardware_notes": null,
  "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."
  ],
  "upstream_updated_at": null
}
```

Evidence claims:
- [sourced_fact] The page describes the corpus as Japanese text (transcripts) and multi-speaker voice data. · locator: project page, first sentence · source: https://sites.google.com/site/shinnosuketakamichi/research-topics/jvs_corpus
- [sourced_fact] Redistribution of the corpus is not permitted, but a part of it (for example about 10 audio files) may be uploaded on a webpage or blog. · locator: project page, license section · source: https://sites.google.com/site/shinnosuketakamichi/research-topics/jvs_corpus
- [sourced_fact] The page says commercial use is welcome and that interested parties should contact the listed addresses. · locator: project page, license section · source: https://sites.google.com/site/shinnosuketakamichi/research-topics/jvs_corpus
- [sourced_fact] The tag annotations of the corpus are licensed under CC-BY-SA 4.0. · locator: project page, license section · source: https://sites.google.com/site/shinnosuketakamichi/research-topics/jvs_corpus
- [sourced_fact] The corpus is described in the paper "JVS corpus: free Japanese multi-speaker voice corpus" (arXiv:1908.06248, 17 August 2019). · locator: arXiv abs page title · source: https://arxiv.org/abs/1908.06248
- [upstream_claim] Research review verdict at export: reviewed (as of 2026-10-17). Recorded by the research pipeline, not a hub review outcome; evidence.review stays unreviewed until an independent reviewer records one.

Rights:
- dataset: license=LicenseRef-JVS-corpus-terms hosting=restricted redistribution=prohibited modification=unknown training=unknown · Audio: academic, non-commercial (including inside companies) and personal use; commercial use by arrangement; full redistribution not permitted (a small excerpt may be posted); tags CC-BY-SA 4.0. Whether model training counts as permitted research or commercial use is not addressed; training use is unknown. · evidence: https://sites.google.com/site/shinnosuketakamichi/research-topics/jvs_corpus

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- Changes: https://veyrul.com/v1/records/src_01M569MKDFSKWMYA24VPC5QE4Z/revisions · https://veyrul.com/v1/changes?record_id=src_01M569MKDFSKWMYA24VPC5QE4Z
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