aidataservices.inAI data collection · India

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.

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Contact centre agents generating call centre speech data — Call Centre Speech Data in Kolkata
City
Kolkata, West Bengal
Languages here
4
Turnaround
3-6 weeks for 100-250 hours.
01

Languages recorded in Kolkata

  • Bengali
  • Hindi
  • Indian English
  • Urdu
Languages recorded in KolkataBengaliHindiIndian EnglishUrduKolkataWest BengalRarhi standard Bengali in cholit register, with heavy English mixing in professional speech.City choice is a data-quality decision, not a logistics one.
02

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.

Speaker reading a prompt script into a studio microphone — supporting call centre speech data in kolkata
Speaker reading a prompt script into a studio microphone
03

Technical specification

ParameterStandard
Channel8 kHz narrowband telephony plus 48 kHz reference where required
CodecG.711 / Opus simulated to match your stack
StructureAgent and customer on separate channels
ScenariosBilling, delivery, KYC, recharge, collections, support, sales
EmotionNeutral, frustrated and escalated variants on request
04

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
05

Deliverables

  • Dual-channel call audio
  • Verbatim transcripts
  • Intent, outcome and sentiment labels
  • Scenario coverage matrix
06

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.

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