NEIL SHANKAR ROY

NEIL SHANKAR ROY

A Computational Linguist
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About

Iā€™m a linguist and an educator bridging the gap between the classroom and technology. I build practical, lightweight applications for the next billion users because I believe powerful tech shouldn't be gated by expensive hardware. To further enhance these tools and solve real-world educational problems, I am currently pursuing an AI/ML Certification from IIT Patna.

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Maker History

  • Vaaani
    VaaaniThe speaking coach that measures your voice, not guesses it
    May 2026
    • šŸŽ‰
    Joined Product HuntNovember 13th, 2023

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NEIL SHANKAR ROYā€¢

2d ago

Vaaani - The speaking coach that measures your voice, not guesses it

Vaani is an 18-layer acoustic pipeline for IELTS/TOEFL Speaking ā€” Praat formants, peer-reviewed rhythm, syntax-tree grammar ā†’ Contrastive Interference Function against 8 Indian-L1 attractors (Bengali + Hindi on Svarah; six on published phonetics). No LLM. No GPU. Same audio = same band. Every L1 callout needs two-piece evidence: acoustic detection AND catalogue match ā€” otherwise unlabelled, never pinned to an L1. Vaani tells you what it measured, how confident, and what it couldn't.
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