Sinhala TTS datasets

A natural Sinhala voice has to say the English words that appear inside ordinary sentences, and saying them badly is more noticeable than not saying them at all. The script keeps them, and the speaker is directed on pronunciation so the result sounds like a Sinhala speaker using English rather than an English speaker reading Sinhala.

A large-diaphragm condenser microphone held in a shock mount with a pop filter

What TTS work in Sinhala requires

Speaker consistency across sessions

A voice recorded over several days drifts in pitch and pacing. If the target is one synthetic voice, either record in fewer, longer sessions or plan to re-record segments that fall outside tolerance.

Text the speaker can read fluently

A speaker reading unfamiliar script produces disfluencies that end up baked into the synthetic voice. Script selection matters as much as recording quality.

Phonetic coverage, not just volume

A long recording can still miss phonemes that are rare in running text. Coverage has to be checked against the language's inventory, not against word count.

The mistake that costs the most

The most common mistake is buying many hours from many speakers when the goal needed a few hours from one speaker, recorded properly.

The language-specific factor

Everyday Sinhala conversation is heavily embedded with English words, especially in the Colombo urban belt. Treating this mixed speech as pure Sinhala strips out high-frequency loanwords as if they were errors.

Specification checklist

LanguageSinhala
Writing systemSinhala
RegionSouth Asia
Core keywordTTS dataset
Must specifyDistinct speaker count, recording conditions, annotation convention, delivery format
Included by defaultPilot batch, speaker metadata, consent documentation, annotation guideline

Related

  • Sinhala speech data

    South Asia

    The full overview for this language, including what makes it hard to collect.

    • Code-switching
  • Multilingual speech

    Data category

    Running this alongside other languages in one delivery.

  • WER

    Glossary term

    How recognition quality is measured, and what the number does not tell you.

Request Sinhala TTS data

Tell us the language, the hours, and what the data needs to look like. You will get a real number and a real timeline, not a range. If we cannot source it well, we will tell you that instead.

  • Pilot batch before the full run, so problems surface early.
  • Consent documentation delivered with the data.
  • No medical or clinical data. No recorded telephone calls.

We reply within two business days. Your details are used only to answer this request. See our privacy policy.

  1. You send the spec Language, hours, recording conditions, and the deadline.
  2. We reply within two business days A real number and a real timeline, not a range.
  3. You approve a pilot batch A small run first, so problems surface before the full order.
  4. Full run, then delivery with documents Audio, transcripts, and the consent record for every speaker.
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