Amazon Technologies

How Smart Speakers Know You're Talking to Them After a Command

This patent describes how a smart speaker system can tell if follow-up speech is meant for it, even without a "wake word," by analyzing voice activity and partial speech recognition results using an AI model.

How Computers Train AI Models Using Separate Virtual Simulations

This patent describes a system where one virtual computer runs simulations of a system, like a robot, and another virtual computer uses the simulation data to teach an AI model how to make better decisions.

How Voice Assistants Change Their Speech Based on How You Talk

This patent describes a system where a voice-controlled device adjusts its text-to-speech output characteristics, like speed or tone, based on the user's speaking habits or current situation, making responses feel more natural and personalized.

Training Robot AI Models Faster Using Smart Simulations

This patent describes a cloud service that helps train artificial intelligence models for robots by running simulations, even suggesting improvements to the AI's learning rules before starting.