Design a real-time speech translation system (speak in one language, hear another) with low latency.

Live speech-to-speech translation is a latency race across three models (recognize, translate, synthesize) while audio keeps streaming in. Learn the streaming pipeline, how to commit partial results without flip-flopping, and the tradeoff between latency and translation quality.

Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.