JVS Corpus

by Saruwatari Lab (U. Tokyo)

Don’t want to install JVS Corpus? Drop the file here.

The first 20 minutes of any recording are transcribed free: a recording up to 20 minutes transcribes in full, a longer one is previewed, and a pack from $6 (500 minutes) transcribes the rest and opens every export, and credits never expire.

30h Japanese versatile multi-speaker corpus — TTS + speaker-modeling baseline.

Web  ·  research-only

TL;DR

Best for japanese multi-speaker TTS, speaker adaptation, voice conversion. Pricing: research-only.

Category
Open source
Pricing
research-only
Platforms
Web

What it is

JVS (Japanese Versatile Speech) is a 30-hour multi-speaker corpus with parallel/non-parallel/whisper/falsetto styles across 100 speakers. Standard JP TTS + voice-modeling baseline. Non-commercial license.

Best for: Japanese multi-speaker TTS, speaker adaptation, voice conversion.
Watch out for: Custom non-commercial license · 100 speakers · parallel + non-parallel + whisper + falsetto styles. Cite: Takamichi et al., 2019.

Install / use

Go to JVS Corpus sites.google.com

What people actually do with JVS Corpus-style transcription

The tool is the means. These are the jobs — each one priced at published rates, each one wired up on its own page.

Wire it into Amazon S3n8nMake.comGoogle DriveZapierSlack

Features

Speaker diarizationNo
Word-level timestampsNo
Streaming / real-timeNo
Languages supported1
HIPAA eligibleNo

JVS Corpus vs Whipscribe

FeatureJVS CorpusWhipscribe
CategoryOpen sourceTranscription APIs
Pricingresearch-only$6–$24 one-time packs (credits never expire) · first 20 minutes free
Speaker identificationNoNamed in the summary, key quotes and chapters
Word timestampsNoYes
StreamingNoNo
Languages199
PlatformsWebWeb, API, MCP

Alternatives to JVS Corpus

Frequently asked about JVS Corpus

Does JVS Corpus work on Mac, Windows and Linux?

JVS Corpus runs in the browser, so it works on any desktop OS with a modern browser, and on phones and tablets.

How do I install JVS Corpus?

Download the installer for your platform from https://sites.google.com/site/shinnosuketakamichi/research-topics/jvs_corpus. No terminal needed.

How many languages does JVS Corpus support?

JVS Corpus lists 1 languages.

Does JVS Corpus identify different speakers?

No. JVS Corpus does not label speakers; a conversation comes back as one continuous text. If you need speaker labels, that is a separate tool or a different service.

Does JVS Corpus give word-level timestamps?

No — JVS Corpus produces segment or sentence timing only, so subtitle cues can land mid-word.

Can JVS Corpus transcribe live audio?

No — JVS Corpus works on finished files, not a live stream.

Is JVS Corpus HIPAA compliant?

JVS Corpus does not claim HIPAA compliance. For PHI, run it on infrastructure you control or choose a service that will sign a BAA.

What are the limitations of JVS Corpus?

Custom non-commercial license · 100 speakers · parallel + non-parallel + whisper + falsetto styles. Cite: Takamichi et al., 2019.

Who is JVS Corpus best for?

Japanese multi-speaker TTS, speaker adaptation, voice conversion.

Does JVS Corpus run offline?

JVS Corpus runs on your own machine — it is open source, so nothing leaves the computer unless you configure it to.

Is there a JVS Corpus desktop app?

No — JVS Corpus is browser-only. There is nothing to install and nothing runs on your machine.

Who makes JVS Corpus?

JVS Corpus is made by Saruwatari Lab (U. Tokyo).

What kind of tool is JVS Corpus?

In this directory JVS Corpus is filed under dataset as a open-source tool.

What are the alternatives to JVS Corpus?

There is a side-by-side page at /tools/jvs-alternatives comparing JVS Corpus with the closest tools in the same category on price, platform and features.

Can I automate JVS Corpus-style transcription without running it myself?

Yes. If what you want is transcripts rather than the tool itself, Whipscribe does the same job as a hosted API: submit a file or URL, poll a job id, pull the result as txt, json, srt, vtt or docx. $0.012 a minute — about $0.72 an audio hour — bought as credits that never expire. The automation recipes on this site show it wired to Drive folders, Zoom recordings, S3 buckets and no-code platforms.

Whipscribe is a hosted transcription service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.

Transcribe your recordings

Explore

Long recording to get through?

One file up to 10 hours, as an upload or a link: see transcribing a long MP3 or M4A, a podcast episode as text from its link and the SRT file generator.

Rather have it done for you?

Free tools cost setup time. When you want a finished transcript instead: see the best transcription services side by side, the cheapest way to transcribe an hour of audio and our transcription service with prices and turnaround.