West Bengal · Voice evaluation
AI Voice Evaluation in Kolkata
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 Kolkata, this runs from our local studio setup: Treated booth plus transcription team co-located for fast turnaround.
- City
- Kolkata, West Bengal
- Languages here
- 4
- Turnaround
- 1-3 weeks per evaluation round.
Languages recorded in Kolkata
- Bengali
- Hindi
- Indian English
- Urdu
Local dialect profile
Rarhi standard Bengali in cholit register, with heavy English mixing in professional speech.
Primary Indian Bengali pool; North Bengal varieties require Siliguri fielding.
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 Kolkata for this work
Primary Indian Bengali pool; North Bengal varieties require Siliguri fielding.
Treated booth plus transcription team co-located for fast turnaround. 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 Kolkata?
Treated booth plus transcription team co-located for fast turnaround.
Which languages can you collect in Kolkata?
Bengali, Hindi, Indian English, Urdu. 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 Kolkata
Send the language, speaker count and conditions.