West Bengal · Call-centre speech
Call Centre Speech Data in Kolkata
Simulated and consented real-world contact-centre audio in Indian languages, recorded over telephony-grade channels so it matches the bandwidth your production system actually sees. 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
- 3-6 weeks for 100-250 hours.
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 |
|---|---|
| Channel | 8 kHz narrowband telephony plus 48 kHz reference where required |
| Codec | G.711 / Opus simulated to match your stack |
| Structure | Agent and customer on separate channels |
| Scenarios | Billing, delivery, KYC, recharge, collections, support, sales |
| Emotion | Neutral, frustrated and escalated variants on request |
Process
- Scenario library built from your call taxonomy
- Agent-side speakers briefed on your script and tone
- Recording over the specified codec path
- Transcription with intent and outcome labels
- Delivery with per-scenario counts
Deliverables
- Dual-channel call audio
- Verbatim transcripts
- Intent, outcome and sentiment labels
- Scenario coverage matrix
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 call-centre speech in Kolkata
Send the language, speaker count and conditions.