A smart home with some household appliances is controlled by a tablet PC. [Photo/VCG]

Smart homes
The AI recognized order is widely used in smart devices that interact with people, such as smart homes.

In a smart home, people can give verbal instructions to control household appliances, including the air-conditioner to adjust temperature, curtains to open or close, light to turn on or off, robotic vacuum cleaner to operate, as well as the audio-visual entertainment system.