Blog
Techniques for voice agents that listen well.
Anatomy of a voice agent
From the microphone to the agent's reply: what each part does, and what breaks without it.
Answering sooner without being faster
A small decision model picks a waiting phrase while the words are transcribed, and the silence after the user stops shrinks.
A wake word you type
Letters become sounds with Lex, sounds become a detection with Spot: any word, in 7 languages, with no training and no recording.