LOS ANGELES (AP) - Want to put a speaker in a bookshelf or under a chair without compromising sound quality?

LOS ANGELES (AP) Want to put a speaker in a bookshelf or under a chair without compromising sound quality?

Wireless speaker company Sonos is releasing a software update that will calibrate sounds to account for the shape of the room and the obstacles in it.

Users wave their mobile device around the areas of a room where the listener most often is, while the speaker emits a series of blips and tones covering a whole range of frequencies. The app senses where in the room that sound is obscured and compensates using a smart equalizer.

The software feature, called Trueplay, will work for millions of users of Sonos Play:1, Play:3 and Play:5 speakers that have already been sold.