How to Build a Multilingual AI Voice Assistant That Understands Hindi and English
Learn how to build a multilingual AI voice assistant in Python that handles Hindi, English, Hinglish code-switching, Indian accents, and WER/CER evaluation.
Technical Library · 820 Publications
Research, ideas & engineering insights.
A curated library of technical guides, AI implementations, financial research, product insights and automotive analysis.
Featured Series: Practical AI Engineering (23 Production Guides)
Production-grade autonomous research agents, deterministic spreadsheet analyzers, sub-800ms SIP voice bots, and multimodal accessibility assistants verified with executable Python test suites.
How to Build a Real-Time AI Translation System for Voice Conversations
Learn how to build a real-time bidirectional voice translation pipeline in Python with streaming STT, rolling context buffers, LocalAgreement chunking, and TTS.
How to Build an AI Video Assistant That Watches Recordings and Answers Questions
Learn how to build a multimodal AI video assistant in Python using PySceneDetect, OpenCV, Faster-Whisper, Vision LLMs, and Qdrant timestamp retrieval.
How to Build an AI Interviewer That Conducts Interviews and Scores Responses
Learn how to build a structured, bias-audited AI interviewer in Python with adaptive competency probing, BARS scoring rubrics, sandboxed coding tests, and ICC reliability.
How to Build an AI Tutor That Teaches Students Through Interactive Conversations
Learn how to build an adaptive Socratic AI tutor in Python using Bayesian Knowledge Tracing (BKT), curriculum RAG, hint scaffolding, and student privacy guardrails.
How to Build an AI Accessibility Assistant That Describes Images and Reads Documents Aloud
Learn how to build a WCAG 2.2 AA compliant AI accessibility assistant in Python using Vision-Language Models, Docling layout OCR, semantic HTML/ARIA, and neural TTS.
Best Cars for a 50 km Daily Commute in India: Per-Day Cost, Seat Comfort & 90,000 km Math
Driving 50+ km every day in India? Compare per-day running costs across EV, CNG, Strong Hybrid, and Diesel, plus the most comfortable seats for 90,000 km.
Best Cars for New Drivers in India: Bonnet Visibility, Hill-Hold & Scratch-Friendly Picks
Just got your driving licence in India? Discover the easiest cars for new and nervous drivers—with clear bonnet visibility, Hill-Hold Assist, and easy parking.
Best Cars for Senior Citizens in India: Easy Knee-Friendly Entry, Visibility & Comfort
Buying a car for senior citizens or parents with knee pain in India? Compare the easiest step-in seat heights, 90-degree doors, light automatics, and soft rides.
Best Cars in India for a Small Family with a Child Seat, Stroller & Luggage
Shopping for a car as new parents in India? Compare the best cars with ISOFIX mounts, wide door openings, rear-facing seat legroom, and stroller-ready boots.
Buy a Car Now or Wait for a Facelift or Festive Offer in India? The Complete Timing Guide
Should you buy your car now, wait for Diwali or December year-end discounts, or hold out for a facelift? See the exact Indian car-buying calendar and math.
Hero Splendor Plus Mileage in 2026: Claimed vs Real-World Mileage in City and on Highways
Check Hero Splendor Plus 2026 claimed mileage (70 km/l) vs real-world city (62-65 km/l) and highway efficiency, full-tank range, and petrol costs.