Edinburgh CSTR

by University of Edinburgh

Centre for Speech Technology Research — VCTK + Merlin TTS + Festival origins.

TL;DR

Centre for Speech Technology Research — VCTK + Merlin TTS + Festival origins.

Best for tTS research; multi-speaker corpora; statistical parametric speech synthesis history. Pricing: free.

Category
Open source
License
—
Stars
—
Last push
—
Pricing
free
Platforms
Web

What it is

Edinburgh CSTR pioneered statistical parametric TTS (HTS, Merlin) and released VCTK, the canonical multi-speaker English corpus. Major academic hub for TTS + voice cloning.

Best for: TTS research; multi-speaker corpora; statistical parametric speech synthesis history.
Watch out for: Academic; tools open-source.

Install / use

https://www.cstr.ed.ac.uk/

Features

Speaker diarizationNo
Word-level timestampsNo
Streaming / real-timeNo
Languages supported0
HIPAA eligibleNo

Edinburgh CSTR vs Whipscribe

FeatureEdinburgh CSTRWhipscribe
CategoryOpen sourceTranscription APIs
Pricingfreefree beta
Speaker diarizationNoYes
Word timestampsNoYes
StreamingNoNo
Languages099
PlatformsWebWeb, API, MCP

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