Gujarat · Voice evaluation
AI Voice Evaluation in Surat
Human evaluation of your speech models: MOS and preference testing for TTS, WER-in-context review for ASR, and native-speaker judgement on naturalness and intelligibility. In Surat, this runs from our local studio setup: Partner booth with trade-domain scenarios.

- City
- Surat, Gujarat
- Languages here
- 2
- Turnaround
- 1-3 weeks per evaluation round.
Languages recorded in Surat
- Gujarati
- Hindi
Local dialect profile
Surti Gujarati with distinctive intonation; large migrant Hindi-speaking population.
Needed for Gujarati dialect spread beyond Ahmedabad.

Technical specification
| Parameter | Standard |
|---|---|
| TTS | MOS (1-5), MUSHRA, and A/B preference protocols |
| ASR | Error typing: substitution, deletion, insertion, code-switch failure |
| Panel | Native speakers of the target variety, screened and calibrated |
| Sample size | Powered per the effect size you need to detect |
| Reporting | Per-item scores plus aggregate with confidence intervals |
Process
- Protocol design and sample-size calculation
- Panel recruitment and calibration on reference items
- Blind evaluation with attention checks
- Statistical analysis
- Report with per-error-type breakdown
Deliverables
- Raw per-rater scores
- Aggregated results with confidence intervals
- Error-type analysis
- Recommended fix priorities
Why Surat for this work
Needed for Gujarati dialect spread beyond Ahmedabad.
Partner booth with trade-domain scenarios. Sessions here follow the same template as every other city in the network, so a multi-city cohort stays acoustically consistent.
Frequently asked
Do you have a studio in Surat?
Partner booth with trade-domain scenarios.
Which languages can you collect in Surat?
Gujarati, Hindi. Other languages are possible where migrant communities are present, with residence and nativeness screening.
Can sessions run outside the studio?
Yes. Field recording in homes, vehicles and public spaces is available where your deployment conditions require it, with noise profiles documented per session.
Book voice evaluation in Surat
Send the language, speaker count and conditions.