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Speech AI Companies · TTS Voice Building

TTS Voice Building Data for Speech AI Companies

Teams whose core product is speech recognition or synthesis, where dataset quality is the product roadmap and word error rate is the metric everyone watches. Creating a natural synthetic voice in an Indian language, from casting through to a trainable studio corpus.

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Studio-grade voice recording session for text-to-speech training data — TTS Voice Building Data for Speech AI Companies
Buyer
Speech AI Companies
Use case
TTS Voice Building
Metric
MOS naturalness
01

Where the two meet

WER on Indian languages is dominated by dialect and code-mixing failures that generic corpora do not cover That is a tts voice building problem, and it is solved by data shaped like this:

  • 10-40 hours from one speaker, or multi-speaker sets
  • Phonetically balanced scripts
  • Session-consistent acoustics
Speech AI Companies · TTS Voice BuildingWhat goes wrongWhat they check before signingWER on Indian languages is dominated by d…ialect and code-mixing failures that ge…Public Indic corpora are read speech and …do not transfer to spontaneous producti…Benchmark sets leak speakers into trainin…g splits, inflating reported accuracy…Are train/dev/test splits speaker-disjoin…t by construction?…Is transcription verbatim, with disfluenc…ies preserved?…Is per-token language ID available for co…de-mixed speech?…We quote against the right-hand column, not the pitch.
02

Your evaluation criteria

  • Are train/dev/test splits speaker-disjoint by construction?
  • Is transcription verbatim, with disfluencies preserved?
  • Is per-token language ID available for code-mixed speech?
  • Is inter-annotator agreement measured and reported?
Structured dataset packages ready for delivery — supporting tts voice building data for speech ai companies
Structured dataset packages ready for delivery
03

Metrics

  • MOS naturalness
  • Pronunciation accuracy on loanwords and names
  • Prosody stability across long utterances
04

Pitfalls

  • Session drift between recording days
  • Scripts that under-cover rare phonemes
  • Uncleared voice-talent licensing
05

Contract points

  • Speaker-disjoint splits guaranteed contractually
  • Right to publish benchmark results
  • Re-record remedy for QA failures

Frequently asked

What does a first engagement look like?

Usually a scoped pilot: one language, an evaluation set plus a first training batch, delivered in three to five weeks, followed by the full programme.

Can you match our existing vendor's schema?

Yes. Working to your schema avoids a conversion pass and keeps deliveries comparable across vendors.

How is provenance documented?

Per-item contributor records and consent mapped to IDs in the manifest.

Send your requirement

Language, volume, metric, deadline.

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