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Delhi NCR · Voice evaluation

AI Voice Evaluation in Delhi

Human evaluation of your speech models: MOS and preference testing for TTS, WER-in-context review for ASR, and native-speaker judgement on naturalness and intelligibility. In Delhi, this runs from our local studio setup: Multi-booth facility with telephony-path simulation for call-centre datasets.

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Evaluator scoring AI voice output against a rubric — AI Voice Evaluation in Delhi
City
Delhi, Delhi NCR
Languages here
5
Turnaround
1-3 weeks per evaluation round.
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 QC engineer inspecting waveforms and spectrograms — supporting ai voice evaluation in delhi
Audio QC engineer inspecting waveforms and spectrograms
03

Technical specification

ParameterStandard
TTSMOS (1-5), MUSHRA, and A/B preference protocols
ASRError typing: substitution, deletion, insertion, code-switch failure
PanelNative speakers of the target variety, screened and calibrated
Sample sizePowered per the effect size you need to detect
ReportingPer-item scores plus aggregate with confidence intervals
04

Process

  • Protocol design and sample-size calculation
  • Panel recruitment and calibration on reference items
  • Blind evaluation with attention checks
  • Statistical analysis
  • Report with per-error-type breakdown
05

Deliverables

  • Raw per-rater scores
  • Aggregated results with confidence intervals
  • Error-type analysis
  • Recommended fix priorities
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 voice evaluation in Delhi

Send the language, speaker count and conditions.

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