Maharashtra · Call-centre speech
Call Centre Speech Data in Mumbai
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 Mumbai, this runs from our local studio setup: Treated booths in the western suburbs with parallel session capacity for multi-speaker conversation work.

- City
- Mumbai, Maharashtra
- Languages here
- 6
- Turnaround
- 3-6 weeks for 100-250 hours.
Languages recorded in Mumbai
- Marathi
- Hindi
- Hinglish
- Gujarati
- Urdu
- Indian English
Local dialect profile
Bambaiya Hindi-Marathi contact speech with constant three-way switching; the densest code-mixing environment in India.
Migrant-heavy, so speakers of almost any Indian language can be found, but native-region screening is essential.

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 Mumbai for this work
Migrant-heavy, so speakers of almost any Indian language can be found, but native-region screening is essential.
Treated booths in the western suburbs with parallel session capacity for multi-speaker conversation work. 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 Mumbai?
Treated booths in the western suburbs with parallel session capacity for multi-speaker conversation work.
Which languages can you collect in Mumbai?
Marathi, Hindi, Hinglish, Gujarati, 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 call-centre speech in Mumbai
Send the language, speaker count and conditions.