Maharashtra · ASR datasets
ASR Training Data in Nagpur
Transcribed speech corpora built to train and evaluate automatic speech recognition, with verbatim transcription, timestamps and per-token language tagging where code-mixing occurs. In Nagpur, this runs from our local studio setup: Partner booth with mobile capture for surrounding districts.

- City
- Nagpur, Maharashtra
- Languages here
- 2
- Turnaround
- Transcription adds roughly 1-2 weeks per 100 hours after recording, per language.
Languages recorded in Nagpur
- Marathi
- Hindi
Local dialect profile
Varhadi Marathi, materially different from Puneri standard and largely missing from public corpora.
The key site for Vidarbha dialect coverage.

Technical specification
| Parameter | Standard |
|---|---|
| Audio | 16 kHz or 48 kHz PCM WAV |
| Transcription | Verbatim, including disfluencies, false starts and fillers |
| Timestamps | Utterance level by default; word level on request |
| Tagging | Noise, overlap, unintelligible, foreign-language and code-switch tags |
| Normalisation | Raw and normalised text columns delivered separately |
| Split | Train/dev/test splits with no speaker leakage across splits |
Process
- Style guide authored per language, covering numerals, loanwords, script and disfluency rules
- Transcriber calibration round with inter-annotator agreement measurement
- First-pass transcription
- Second-pass native review
- Automated consistency checks against the style guide
- Split generation with speaker-disjoint partitions
Deliverables
- Audio plus aligned transcripts (JSON/TSV, or your schema)
- Style guide as delivered documentation
- Inter-annotator agreement report
- Speaker-disjoint train/dev/test splits
Why Nagpur for this work
The key site for Vidarbha dialect coverage.
Partner booth with mobile capture for surrounding districts. 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 Nagpur?
Partner booth with mobile capture for surrounding districts.
Which languages can you collect in Nagpur?
Marathi, Hindi. 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 asr datasets in Nagpur
Send the language, speaker count and conditions.