Speech to Text

Update (November 2026): The Koyal models no longer need a Hugging Face account or login. I’ve removed that step from the guide below. A week ago, we released Koyal: open speech transcription models for Hindi, Kannada, Malayalam and Telugu. The official post has all the details. This is my personal side of it, plus a small script so you can try it on your own recordings today. Why Koyal matters to me I’ve believed every language deserves tools built for it, and small open models are how that becomes real. [Read More]

The research carried out as part of my PhD was centred around the linguistic challenges in Malayalam speech recognition. One of the biggest chellenges associated with recognizing speech in morphologically complex languages is centred around how granular should be the text tokens. Classical ASR with Word tokens In the classical architecture of Automatic Speech Recognition (ASR) with word tokens, the acoustic model identifies fundamental sound units, the pronunciation lexicon maps sounds to words, and the language model predicts word sequences to convert speech to text. [Read More]