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Case Study: LumaScribe

LumaScribe - Speech to Text Custom AI Software Development

LumaScribe - Fast, Private, and Offline AI Speech-to-Text

When a leading law firm needed to transcribe confidential court and client recordings without sending any audio to the cloud, they turned to Naga Info Solutions. The result was LumaScribe, a secure, offline, AI-powered speech-to-text software that runs entirely within the client’s premises, providing lightning-fast transcription with complete data privacy.

Designed for high-compliance environments, LumaScribe proves that enterprise-grade AI doesn’t have to live in the cloud. It combines local processing, multilingual accuracy, and intelligent automation to help teams work faster, safer, and smarter.

Agile + Rapid Prototyping: Turning Concept into Product

To build a tool that met strict legal-sector privacy needs, Naga followed an agile + rapid prototyping process. Development unfolded in short, iterative sprints, each producing a working version that could be tested directly by lawyers and IT administrators.

  • Sprint 1: Core offline speech-recognition model installation and proof of concept.

  • Sprint 2: Integration of real courtroom audio for accuracy testing.

  • Sprint 3: Interface design for recording upload, live streaming, and transcript management.

  • Sprint 4: Optimization for CPU / GPU performance and multi-language support.

  • Sprint 5: Fine-tuning and training model on local African language datasets.

This feedback-driven approach reduced risk and delivered measurable value early, reflecting Naga’s reputation as an adaptive AI product development company that builds around real-world user experience.

Offline Deployment for Full Data Sovereignty

Every decision in LumaScribe’s architecture centered on data sovereignty. The model and all supporting services were deployed entirely on-premises inside the law firm’s secure network. No data leaves the building; no cloud APIs are involved.

Key advantages:

  • Zero internet dependency: Operates fully offline, even in isolated court offices.

  • Private storage: Audio, transcripts, and logs remain within the client’s controlled servers.

  • Regulatory alignment: Meets strict legal and national data-protection mandates.

  • Performance stability: Local inference ensures sub-second response with no latency.

This deployment model exemplifies privacy-centric enterprise AI development, AI power delivered with total control and compliance.

Trained for Local African Language Precision

Generic models often falter with regional dialects. To overcome this, Naga’s data scientists built a custom training pipeline that adapted the base model to the client’s local African language and courtroom speech patterns.

The team curated and labeled hundreds of hours of domain-specific recordings, fine-tuning for:

  • Accent and dialect variation.

  • Legal vocabulary and context markers.

  • Noisy-environment tolerance (courtrooms, field recordings).

The resulting model achieved remarkable accuracy, correctly transcribing both English and the regional language used in proceedings. This localization demonstrates Naga’s depth as an AI software development company able to blend linguistic knowledge with technical precision.

Comprehensive Feature Set

  • Works Entirely Offline – Transcribe audio securely without any internet access. Ideal for privacy-first teams in legal, medical, financial, and government sectors that require total data control.

  • Real-Time Streaming Support – Capture and transcribe live audio sessions instantly, making it perfect for hearings, meetings, and interviews where immediate results are essential.

  • Live Testing Playground – Instantly test and preview transcription accuracy through a built-in sandbox interface, allowing users to fine-tune models and configurations in real time.

  • Robust API Integration – Integrate LumaScribe into internal tools or enterprise systems using a flexible, secure API to automate offline transcription within existing workflows.

  • Searchable Transcription History – Access, manage, and retrieve past transcripts from a secure archive without uploading data to external servers, ensuring full data confidentiality.

  • Optimized for CPU and GPU – Leverages available hardware to balance performance and speed, enabling fast transcription even on modest infrastructure or scaling with GPU acceleration.

  • Advanced Team Management – Manage multiple users and departments with built-in role assignment, access control, and activity tracking to maintain compliance and operational oversight.

  • Custom Configuration Panel – Adjust model preferences, select processing modes, define languages, and fine-tune performance to align perfectly with organizational transcription requirements.

  • Multi-Language Transcription – Supports multiple languages including English, Arabic, and fine-tuned regional African languages, ensuring accurate output for multilingual environments.

  • Secure, High-Performance Architecture – Designed for reliability and compliance, LumaScribe ensures consistent transcription quality while keeping every byte of data within the organization’s network.

Results and Impact

After full rollout, the law firm achieved transformative outcomes:

  • 85 % reduction in manual transcription time.

  • Zero data exposure beyond internal servers.

  • Faster case turnaround through instant transcript search and AI summaries.

  • Improved accuracy for local language audio.

  • Lower operational costs by avoiding cloud subscriptions and storage fees.

What once took days of human transcription and proofreading now happens in minutes, privately, securely, and at a fraction of traditional cost.

Why Naga Was the Right Partner

The success of LumaScribe reflects Naga Info Solutions’ core philosophy: build AI that respects privacy and empowers productivity. With over 16 years of experience in IT and AI innovation, Naga combines technical depth with real-world understanding, delivering custom solutions that fit both workflow and compliance needs.

As an established AI product development company, Naga brings together:

  • Full-stack AI engineering expertise.

  • Proven delivery through agile methods.

  • Domain-specific customization.

  • Commitment to ethical, responsible AI.

For the law firm, this collaboration didn’t just deliver software, it created a new foundation for secure, AI-driven knowledge management.

Conclusion

LumaScribe stands as a benchmark in private, offline AI transcription.
Through agile development, localized training, on-prem deployment, and intelligent knowledge integration, Naga transformed a manual, risk-laden process into a seamless, automated system that upholds confidentiality while boosting speed and accuracy.

For organizations that can’t compromise on privacy but still want the power of modern AI, LumaScribe is proof that intelligence can stay local.

Structured. Transparent. Agile.Our Proven Software Development Process for Scalable, Reliable Applications

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