Maharashtra · Voice evaluation
AI Voice Evaluation in Mumbai
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 Mumbai, this runs from our local studio setup: Treated booths in the western suburbs with parallel session capacity for multi-speaker conversation work.
- City
- Mumbai, Maharashtra
- Languages here
- 6
- Turnaround
- 1-3 weeks per evaluation round.
Languages recorded in Mumbai
- Marathi
- Hindi
- Hinglish
- Gujarati
- Urdu
- Indian English
Local dialect profile
Bambaiya Hindi-Marathi contact speech with constant three-way switching; the densest code-mixing environment in India.
Migrant-heavy, so speakers of almost any Indian language can be found, but native-region screening is essential.
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 Mumbai for this work
Migrant-heavy, so speakers of almost any Indian language can be found, but native-region screening is essential.
Treated booths in the western suburbs with parallel session capacity for multi-speaker conversation work. 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 Mumbai?
Treated booths in the western suburbs with parallel session capacity for multi-speaker conversation work.
Which languages can you collect in Mumbai?
Marathi, Hindi, Hinglish, Gujarati, Urdu, Indian English. 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 Mumbai
Send the language, speaker count and conditions.