LISAN (ልሳን) - Offline-First Smart Speech & Machine Translation for Horn of Africa Languages

LISAN is a high-performance, offline-first speech translation system designed for Ethiopian and Horn of Africa languages:

• Amharic (አማርኛ)
• Afaan Oromo
• Somali (Soomaali)
• Tigrinya (ትግርኛ)
• English

The platform combines speech-to-text (STT), automated speech repair & normalization, a hybrid translation engine (exact & fuzzy translation memory + CTranslate2 INT8 NLLB-200), and a modern Flutter mobile client.