Delhi NCR · Voice evaluation
AI Voice Evaluation in Delhi
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 Delhi, this runs from our local studio setup: Multi-booth facility with telephony-path simulation for call-centre datasets.

- City
- Delhi, Delhi NCR
- Languages here
- 5
- Turnaround
- 1-3 weeks per evaluation round.
Languages recorded in Delhi
- Hindi
- Hinglish
- Punjabi
- Urdu
- Indian English
Local dialect profile
Khari Boli Hindi with strong Punjabi and Haryanvi influence; corporate Hinglish is the default professional register.
Largest single-city Hindi pool, plus deep Punjabi and Urdu availability.

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 Delhi for this work
Largest single-city Hindi pool, plus deep Punjabi and Urdu availability.
Multi-booth facility with telephony-path simulation for call-centre datasets. 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 Delhi?
Multi-booth facility with telephony-path simulation for call-centre datasets.
Which languages can you collect in Delhi?
Hindi, Hinglish, Punjabi, 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 Delhi
Send the language, speaker count and conditions.