aidataservices.inAI data collection · India

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.

Request a dataset quoteReply within one working day
Annotator labelling audio segments and speaker turns — Audio Annotation in Delhi
City
Delhi, Delhi NCR
Languages here
5
Turnaround
Scoped per label complexity; simple diarisation runs at roughly 3-5x real time.
01

Languages recorded in Delhi

  • Hindi
  • Hinglish
  • Punjabi
  • Urdu
  • Indian English
Languages recorded in DelhiHindiHinglishPunjabiUrduIndian EnglishDelhiDelhi NCRKhari Boli Hindi with strong Punjabi and Haryanvi influence; corporate Hinglish is the default …City choice is a data-quality decision, not a logistics one.
02

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.

Audio waveforms being prepared as ASR training data — supporting audio annotation in delhi
Audio waveforms being prepared as ASR training data
03

Technical specification

ParameterStandard
Label typesDiarisation, emotion, intent, events, language ID, quality
GranularitySegment, utterance, or frame-level boundaries
SchemaYours, or authored with you before work starts
AgreementMulti-annotator overlap on a defined percentage
ToolingClient tooling supported; otherwise our annotation workflow
04

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
05

Deliverables

  • Labelled data in your schema
  • Gold set and calibration results
  • Per-label agreement statistics
  • Edge-case log
06

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.

Request a dataset quote