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Tamil Nadu · Audio annotation

Audio Annotation in Chennai

Labelling of existing audio: speaker diarisation, emotion, intent, events, language identification and segment-level quality tagging, against your label schema. In Chennai, this runs from our local studio setup: Treated booth with dual-channel conversation capability.

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Annotator labelling audio segments and speaker turns — Audio Annotation in Chennai
City
Chennai, Tamil Nadu
Languages here
3
Turnaround
Scoped per label complexity; simple diarisation runs at roughly 3-5x real time.
01

Languages recorded in Chennai

  • Tamil
  • Indian English
  • Telugu
Languages recorded in ChennaiTamilIndian EnglishTeluguChennaiTamil NaduMadras Bashai colloquial Tamil, sharply different from literary Tamil used in read-speech corpo…City choice is a data-quality decision, not a logistics one.
02

Local dialect profile

Madras Bashai colloquial Tamil, sharply different from literary Tamil used in read-speech corpora.

Deep Tamil pool; district screening needed to avoid an all-Chennai accent profile.

Field recording session with a rural speaker in India — supporting audio annotation in chennai
Field recording session with a rural speaker in India
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 Chennai for this work

Deep Tamil pool; district screening needed to avoid an all-Chennai accent profile.

Treated booth with dual-channel conversation capability. 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 Chennai?

Treated booth with dual-channel conversation capability.

Which languages can you collect in Chennai?

Tamil, Indian English, Telugu. 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 Chennai

Send the language, speaker count and conditions.

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