Update: The testing period will last 90 days. A police spokesperson originally told the News-Leader it would last 60 days. New gunshot detection devices have been installed across Springfield, with ...

Alexa Guard is one awesome way to put the far-field mics of your Echo device to good use, but did you know about Alexa’s handy Sound Detection ability? Currently still in its testing stages, Alexa’s ...

Sound can be represented with both analog or digital audio signals. Analog audio signals use electrical voltage levels. Different types of transducers convert sound to electrical signals and ...