Delhi NCR · Audio annotation
Audio Annotation in Delhi
Labelling of existing audio: speaker diarisation, emotion, intent, events, language identification and segment-level quality tagging, against your label schema. 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
- Scoped per label complexity; simple diarisation runs at roughly 3-5x real time.
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 |
|---|---|
| Label types | Diarisation, emotion, intent, events, language ID, quality |
| Granularity | Segment, utterance, or frame-level boundaries |
| Schema | Yours, or authored with you before work starts |
| Agreement | Multi-annotator overlap on a defined percentage |
| Tooling | Client tooling supported; otherwise our annotation workflow |
Process
- Schema definition and edge-case documentation
- Annotator training and gold-set calibration
- Production annotation with gold items seeded in
- Adjudication of disagreements by a senior reviewer
- Delivery with per-label agreement statistics
Deliverables
- Labelled data in your schema
- Gold set and calibration results
- Per-label agreement statistics
- Edge-case log
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 audio annotation in Delhi
Send the language, speaker count and conditions.