aidataservices.inAI data collection · India

Bihar · Voice evaluation

AI Voice Evaluation in Patna

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 Patna, this runs from our local studio setup: Partner booth plus mobile field recording.

Request a dataset quoteReply within one working day
Evaluator scoring AI voice output against a rubric — AI Voice Evaluation in Patna
City
Patna, Bihar
Languages here
2
Turnaround
1-3 weeks per evaluation round.
01

Languages recorded in Patna

  • Hindi
  • Urdu
Languages recorded in PatnaHindiUrduPatnaBiharBhojpuri and Magahi-influenced Hindi, a major deployment market and a major corpus gap.City choice is a data-quality decision, not a logistics one.
02

Local dialect profile

Bhojpuri and Magahi-influenced Hindi, a major deployment market and a major corpus gap.

Critical for eastern Hindi-belt coverage.

Audio waveforms being prepared as ASR training data — supporting ai voice evaluation in patna
Audio waveforms being prepared as ASR training data
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 Patna for this work

Critical for eastern Hindi-belt coverage.

Partner booth plus mobile field recording. 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 Patna?

Partner booth plus mobile field recording.

Which languages can you collect in Patna?

Hindi, 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 voice evaluation in Patna

Send the language, speaker count and conditions.

Request a dataset quote