Sale might be over, but there are still many tech products on sale. You can find speakers, robot vacuums, portable generators ...

This robotic “acoustic swarm” can not only ... The sound from an individual speaker will reach each microphone at different times. Thus, the greater distance between microphones makes it ...

Beijing company Baidu announced the Raven H smart speaker and two robots called Raven R and Raven Q. The smart speaker goes on sale in December but there's no launch date or pricing for the robots.

The best Alexa speakers let you interact with Amazon's smart assistant and control devices with voice commands from around your home. Many of the best options are directly from Amazon, but some ...