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Instead the system includes a separate paging controller connected to a trunk port of the telephone system. The paging controller is accessed as either a designated directory number or central office line. In many modern systems, the paging function is integrated into the telephone system, so the system can send announcements to the phone speakers.
The portable audio products sold by Bose Corporation have been marketed as portable smart speaker and SoundLink. These wireless speaker systems are battery powered and play audio over a wireless connection from a separate source device (such as a computer or smartphone). Most Soundlink models use Bluetooth to communicate with the source device.
Wireless speakers are loudspeakers that receive audio signals using radio frequency (RF) waves rather than over audio cables. The two most popular RF frequencies that support audio transmission to wireless loudspeakers include a variation of WiFi IEEE 802.11 , while others depend on Bluetooth to transmit audio data to the receiving speaker.
The ZiiSound, Inspire and Creative Wireless Speakers is a range of wireless speakers by Creative Technology, which utilizes Bluetooth technology and apt-X audio codec for high-quality wireless streaming of audio. Their first wireless speaker, The Inspire S2 Wireless 2.1 Speaker System, was released on 1 October 2009 .
In 2004, the 151 was replaced by the 151 SE, which now featured "Direct/Reflecting" speaker technology for wider coverage, as well as the versatility of vertical or horizontal mounting using the included flushmount brackets. Also introduced in 2004, the 251 Series Environmental Speaker was a larger version of the 151 Series.
In March 2016, reports were published about Google developing a wireless speaker to compete against the Amazon Echo. [3] Google Home was officially announced at the company's developer conference in May 2016, [4] [5] where it was also announced that Home would run the Google Assistant (a conversational evolution of Google Now intended to be integrated in other products announced at the ...