⚡ Indian Conversational Voice Data

Train on How India Actually Speaks

Custom-built conversational voice datasets for ASR, TTS, NLU, and LLM fine-tuning in Hindi, Hinglish, Punjabi, Marwadi, Indian English, and beyond. Every dataset is created to your spec, not pulled from a shelf.

  • Multi-speaker, code-mixed, real-world noise environments
  • Full speaker metadata, emotion tags and JSON transcripts
  • Built for customer support, onboarding, sales, and everyday conversational AI
  • Delivery within 14 days of contract. One-time datasets and ongoing data pipelines available

No synthetic data · No scraped content · Fully consented

Real-time Transcription
A

"Bhai, delivery kab tak aayegi? Customer wait kar raha hai."

00:02 Hinglish
B

"Panch minute mein pahunch jayega. Traffic mein thoda delay ho gaya tha."

Hindi 00:06

The Gap in Speech AI

Scraped data captures words. Sonexis captures the language.

Scraped / Synthetic

"Namaste, aapka swagat hai. Kya main aapki sahayata kar sakta hoon?"

  • → Overly formal, unnatural grammar
  • → Zero overlapping speech
  • → Studio-perfect, sterile acoustics
Sonexis Conversational

"Sun, abhi scene clear hai. Ticket book karun ya kal ke liye hold karein?"

  • ✓ Fluid code-mixing and natural language switching
  • ✓ Back-and-forth corrections, fillers, and interruptions
  • ✓ Ambient, real-world noise layers
Data Inspection

Inspect the Output

Audio Sample

Hinglish Call Center Query

Audio sample available on request

Speaker Turns

S1: Kya aap mera refund initiate kar sakte hain?

S2: Sure sir, let me check your order details.

S1: Jaldi kijiye, main hold pe hoon.

Metadata Snapshot
{
  "language": "hinglish",
  "environment": "office_noisy",
  "overlap": true,
  "speaker_id": "IN_NORTH_042"
}

Production Pipeline

From use-case definition to delivery within 14 days of contract. Timeline scales with language and complexity.

01

Define Use Case

Identify your specific language, domain, and acoustic requirements (e.g., in-car Hindi ASR).

02

Scripting & Scenarios

Designing prompts that trigger natural, unscripted responses and diverse linguistic patterns.

03

Contributor Sourcing

Sourcing the right speaker profiles: native speakers across your target language, region, and demographic.

04

Managed Recording

High-fidelity captures in controlled real-world settings with expert session supervision.

05

Multi-layer Annotation

Verbatim transcripts, timestamping, speaker tagging, and emotional metadata extraction.

06

QA & Validation

Rigorous 3-step verification loop ensuring 99.5% transcript accuracy across all dialects.

07

Secure Delivery

WAV audio with JSON transcripts and CSV metadata, delivered via encrypted enterprise pipelines.

Languages We Build In

Every dataset is built to your spec, not pulled from a shelf. Built for customer support, onboarding, sales, and everyday conversation scenarios. Tamil, Marathi, and other regional languages available on request.

Hindi Conversational

ASR TTS
हि

Transcript

spk_01: kal deployment slot free hoga kya?

Built For

ASR / TTS

Volume

Per Brief

Hinglish Code-Mixed

NLU LLM
HG

Transcript

spk_02: actually, flight cancel ho gayi.

Urban Reach

Pan-India

Mix Ratio

60:40

Punjabi Regional

Rural Noise
ਪੰ

Transcript

spk_01: ssa ji, ki haal chal hai?

Dialects

Majhi, Malwai

Environments

Outdoor

Marwadi Commerce

Commerce
मा

Transcript

spk_03: mhaare thode paise baaki hai.

Vocabulary

Domain-specific

Consent

100% Verified

Indian English

Accented
IE

Transcript

spk_04: Please provide the invoice now.

Region Focus

Tier 1 & 2 Cities

L1 Influence

Multi-L1

Multilingual Code-Mixed

Custom Pairs On Request
ML

Example Pairs

Hindi–English Marwadi–Hindi Haryanvi–Hindi Marwadi–English Tamil–English Marathi–Hindi + any pair your model needs

Structure

Same Schema

Delivery

Per Brief

Discuss Your Requirements →

Start Building

Get high-fidelity voice data into your training pipeline with zero friction.

1

Review Dataset Specs

Browse our schema structure, annotation layers, and coverage specs for your target language and domain.

2

Define Requirements

Tell us your language, domain, speaker profiles, edge cases, and volume requirements.

3

Receive Production Data

Get structured, delivery-ready data within 14 days of contract. We support both one-time dataset creation and ongoing data pipelines for continuous generation.

Language Coverage Matrix

Language Domain Variety Code Mixing Annotation Status
Hindi High (General, Banking, Tech) ✓ Full Verbatim, Emotion, POS BUILT TO ORDER
Hinglish Medium (Lifestyle, E-commerce) ✓ Native Language ID, Sentiment BUILT TO ORDER
Punjabi Medium (Agri, Family) ~ Partial Verbatim, Timestamped BUILT TO ORDER
Marwadi Low (Trade, Rural) – None Verbatim Only BUILT TO ORDER
Indian English Medium (Tech, BPO) – None Verbatim, Accent-tagged BUILT TO ORDER
Tamil Medium (Support, Daily Life) ~ Partial Verbatim, Timestamped ON REQUEST
Marathi Medium (Commerce, General) ~ Partial Verbatim, Timestamped ON REQUEST
Multilingual / Code-Mixed Any (per client brief) ✓ Native Per-token Lang ID, Full ON REQUEST

The Methodology Behind the Data

We don't just record audio; we design linguistic interactions. Our managed collection process ensures each second of data contributes to a higher F1 score for your models.

Explore Our Methodology →
🎙

Controllable Noise

Recorded in 15+ varied acoustic environments.

👥

Demographic Depth

Wide range of age, gender, and regional accents.

📄

Rich Annotation

Semantic, emotional, and prosodic tagging layers.

🛡

Privacy Guaranteed

100% PII redacted and GDPR/DPA compliant.

Ethical AI, by Design

Transparency is our default. Every contributor is a partner.

Consent Architecture
{
  "contributor_id": "SNX_9921",
  "explicit_consent": true,
  "usage_scope": [
    "ASR_TRAINING",
    "SENTIMENT_ANALYSIS"
  ],
  "fair_compensation": true
}

Explicit Consent

Contributors sign detailed agreements for specific AI training use cases. No hidden fine print.

Fair Compensation

Direct, market-leading rates paid to every contributor, ensuring a sustainable data economy.

Privacy First

De-identification is automated and double-checked by human auditors to remove all PII.

Data Rights

Every contributor retains the right to have their data removed from our active corpus upon request.

Request a Sample

Describe your project and we'll send a curated dataset snippet within 24 hours.

We respond to all qualified inquiries within 24 hours.