iTantra
SIH 2026 · ISRO · PS 26173
iTantra demo film
An offline voice walkie-talkie for India: speech becomes text on one phone, crosses Wi-Fi, Bluetooth LE or a LoRa radio bridge as a few dozen bytes, and is spoken aloud on the other phone in 10 Indian languages. 1 min 55 s, narrated, English captions.
Open speech models by IISc · IIT Madras · AI4Bharat