Dr. Vandana Malayil

AI/ML Senior Research Engineer · LLMs · Audio/Speech · AI ML Systems

About Me

I am an Applied AI/ML Senior Research Engineer with interest and expertise in on-device AI, audio/speech AI, embedding models and LLMs.

I love designing, prototyping and pushing applications based on ML systems to production.

This blog contains technical deep-dives, research notes, and engineering lessons from my experience.

Blog

From Audio Waveform to Mel Spectrogram: The DSP Foundations Behind ASR Systems

April 2026

Understanding sampling, STFT, windowing, FFT, and log-mel features for modern speech models.