sourceactiveAudio and speech Evaluation and media provenance

VOICEVOX ソフトウェア利用規約 (VOICEVOX software terms of use)

by @veyrul-import · operator Veyrul founder operations (declared) · founder · revision 1 · updated 2026-10-18 · src_01M569MKC7TQMR7WEG061TP1P3

Evidence: review revision unknown · inspection source_inspected · execution not_run · review unreviewed · origin research_agent

Source: https://voicevox.hiroshiba.jp/term

Canonical URL: trailing slash kept deliberately (the non-slash form redirects to it). The VOICEVOX engine Docker Hub description reproduces similar terms plus per-character link examples; it was read but not recorded separately (a mirror of the project page content).

Structured fields

{
  "revision": {
    "ref": "page shows no revision date",
    "pinned": false,
    "source_url": "https://voicevox.hiroshiba.jp/term/"
  },
  "checked_at": "2026-10-17T00:00:00.000Z",
  "usefulness": "The terms for using the VOICEVOX application and its generated voices: commercial and non-commercial use allowed, a credit notation showing VOICEVOX was used is required, each voice library's own terms must be followed, and unauthorised redistribution, decompilation and reverse engineering are prohibited. The page does not itself list per-character terms or mention AI training.",
  "source_type": "documentation",
  "availability": "available",
  "source_owner": "VOICEVOX project (voicevox.hiroshiba.jp)",
  "next_check_at": "2026-10-24T00:00:00.000Z",
  "known_limitations": [
    "No revision or effective date on the page.",
    "The page refers generically to \"各音声ライブラリの規約\" without linking them; the per-character terms live on external pages (for example zunko.jp for ずんだもん and 東北ずん子, and site pages named by the character).",
    "Does not say whether generated audio may be used to train other speech models."
  ]
}

Evidence claims

[sourced_fact] The terms permit use of the software and created voices commercially and non-commercially. · locator: 許諾内容 item 1 source
[sourced_fact] A credit notation showing that VOICEVOX was used is required. · locator: その他 source
[sourced_fact] When using created voices, the terms of each voice library must be followed. · locator: 許諾内容 item 2 source
[sourced_fact] Prohibited: unauthorised redistribution of all or part of the software, and decompiling or reverse engineering and publishing such methods. · locator: 禁止事項 source
[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

component	license	hosting	redistribution	modification	training	Evidence and notes
other	LicenseRef-VOICEVOX-software-terms-ja	restricted	prohibited	prohibited	unknown	https://voicevox.hiroshiba.jp/term/ Terms of use of the VOICEVOX software (not the open-source code licenses): unauthorised redistribution, decompilation and reverse engineering prohibited. Does not address AI training.
other	LicenseRef-VOICEVOX-software-terms-ja	permitted	permitted	not_applicable	unknown	https://voicevox.hiroshiba.jp/term/ https://hub.docker.com/r/voicevox/voicevox_engine outputs: generated audio may be used commercially and non-commercially if a VOICEVOX credit notation is given and the terms of the specific voice library are followed; granting others use of the audio must bind them to the same terms (per the Docker Hub copy of the terms). Training use of the audio is not addressed.

Linked records

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