Case Studies

How We Built a Voice for Millions

Urdu Text-to-Speech System

At DataQuartz, we took on a mission to give voice to millions of Urdu speakers through the development of a powerful, human-like Urdu Text-to-Speech (TTS) system. In a region where digital accessibility is often limited by language barriers, our solution bridges the gap by turning written Urdu content into clear, natural, and expressive speech.

The Challenge & Our Approach

The Challenge

Visually impaired users lacked access to Urdu-language screen readers

Existing systems weren't equipped to support native language interaction

Created barriers to digital accessibility and independence for blind users

Our Approach

Built a robust Urdu Text-to-Speech model using a custom-curated 100,000-word dataset

Trained with both male and female voices to support contextual and gender-inclusive usage

Seamlessly integrated with NVDA through a one-click plugin for easy accessibility

Solution Architecture & Implementation

Custom Dataset

Voice Training

NVDA Integration

Accuracy Rate
0%

Measurable Impact & Results

Key Performance Metrics

Achieved <10% mispronunciation across a 100,000-word Urdu corpus

Real-World Usability

Enabled real-world usability for blind users through voice-guided navigation


Improved daily accessibility

Lowered Barriers

One-click installer significantly lowered the barrier to adoption


Simplified setup process

Voice-Guided Setup

Voice-guided setup experience enhanced user confidence and independence


Intuitive user experience

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