Tamil Nadu · Voice evaluation
AI Voice Evaluation in Chennai
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 Chennai, this runs from our local studio setup: Treated booth with dual-channel conversation capability.
- City
- Chennai, Tamil Nadu
- Languages here
- 3
- Turnaround
- 1-3 weeks per evaluation round.
Languages recorded in Chennai
- Tamil
- Indian English
- Telugu
Local dialect profile
Madras Bashai colloquial Tamil, sharply different from literary Tamil used in read-speech corpora.
Deep Tamil pool; district screening needed to avoid an all-Chennai accent profile.
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 Chennai for this work
Deep Tamil pool; district screening needed to avoid an all-Chennai accent profile.
Treated booth with dual-channel conversation capability. 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 Chennai?
Treated booth with dual-channel conversation capability.
Which languages can you collect in Chennai?
Tamil, Indian English, Telugu. 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 Chennai
Send the language, speaker count and conditions.