294 articles on voice AI, agents and security  ·  15 years in software and AI  ·  19 publications, 2 patents  ·  ex-Samsung Research  ·  IIT Madras

What I write about


Start here

Good first reads if you are new here.

When self-hosted TTS beats the API: the 2026 cost cliff

A worked cost model for when running your own speech synthesis beats paying per character.

Why human-in-the-loop beats full autonomy for high-stakes agent actions

The reliability math behind putting a human approval step into high-stakes agents.

AI security assessments: how to evaluate an LLM system you did not build

How to assess the security of an LLM system you did not build.

ASR is solved (on benchmarks): the real-world gap every voice agent team hits

Why speech recognition benchmark scores overstate how a model will do on your calls.

The build vs buy decision for AI in 2026: a practical framework

A framework for the build-or-buy calls every AI team faces.

How I evaluate AI startups for investors: 8 technical signals

The first-pass technical screen I use before a full due diligence.

Also free to use: the voice agent review checklist, covering latency, recognition, cost, evaluation and security.


Recently published


Selected research

Speech recognition and synthesis research, much of it on Indian languages. Google Scholar →

A Unified Approach to Multilingual ASR with Improved Language Identification for Indic Languages

INTERSPEECH 2024: Joint language identification and multilingual recognition on Whisper: 19.1% absolute WER improvement on Indic languages.

Speaker Personalization for ASR using Weight-Decomposed Low-Rank Adaptation

INTERSPEECH 2024: LoRA and DoRA adaptation of a conformer transducer: 20% average relative WER reduction for speakers with little data.

Robust Speaker Personalisation Using Generalized Low-Rank Adaptation for ASR

ICASSP 2024: Generalized LoRA for per-speaker adaptation while keeping compute and memory low.

Robust Speech Recognition Using Meta-Learning for Low-Resource Accents

NCC 2024: Model-agnostic meta-learning for accented English: about 12% relative WER improvement on most low-resource accents.

Working on a related problem? I am open to research collaborations with students, researchers and labs, and to contract research for companies. Let's talk →

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Let's talk

If something here is close to what you are working on, I would like to hear about it. I work with companies as a contract engineer, fractional CTO or research partner, run security and architecture reviews, and collaborate with students, researchers and labs. A short email is the best way to start: . How I work with teams →