Special tone generated by the Apple HomePod helps the smart speaker pair with an iPhone

Apple's HomePod smart speaker is going to launch in December. The smart speaker will be part of a tech category that has had quite a year. Besides the two most popular models, the Amazon Echo and Google Home, by the end of this year there will also be smart speakers from Microsoft (the Microsoft Invoke powered by Cortana), Sony (equipped with Google Assistant), and Apple's HomePod featuring Siri. Samsung also has a smart speaker on tap, possibly ready in 2018, and it will come with Bixby.

Apple's HomePod will feature an automatic pairing technology that will be based on a tone created by ...