Search results
Results From The WOW.Com Content Network
1.34 ounces (38 g) [1] Website. apple .com /airpods. AirPods are wireless Bluetooth earbuds designed by Apple. They were first announced on September 7, 2016, alongside the iPhone 7. Within two years, they became Apple's most popular accessory. [4] [5] AirPods are Apple's entry-level wireless headphones, sold alongside the AirPods Pro and ...
True wireless may refer to: The True Wireless, a 1919 article by Nikola Tesla; see World Wireless System. Wireless wide area network. True wireless headphones. Category: Disambiguation pages.
Headphones are also known as earphones [1] or, colloquially, cans. [2] Circumaural (around the ear) and supra-aural (over the ear) headphones use a band over the top of the head to hold the drivers in place. Another type, known as earbuds or earpieces, [1] consists of individual units that plug into the user's ear canal.
Phone connector (audio) Phone plug mated in a phone socket. The plug's grooved tip is held firmly by the socket's spring tip contact. When not mated, this spring instead connects to the flat switch contact for detecting a plug. A phone connector is a family of cylindrically -shaped electrical connectors primarily for analog audio signals.
Quadraphonic sound. Quadraphonic (or quadrophonic and sometimes quadrasonic) sound – equivalent to what is now called 4.0 surround sound – uses four audio channels in which speakers are positioned at the four corners of a listening space. The system allows for the reproduction of sound signals that are (wholly or in part) independent of one ...
Powering signal sources and output devices from the same mains circuit to prevent formation of an earth loop; shielded cables or signal isolators may be used. Technical standards [ edit ] An objective of the field strength requirements of standards for AFILs is to make the perceived loudness of sound from the loop the same as from the ...
An electret microphone is a microphone whose diaphragm forms a capacitor (historically-termed a condenser) that incorporates an electret. The electret's permanent electric dipole provides a constant charge Q on the capacitor. Sound waves move the diaphragm, changing the capacitance C, which produces a corresponding voltage change across the ...
Unit record equipment. An operator inserting a control panel into an IBM 407 Accounting Machine [2] Another panel is on the floor nearby. The earliest machines were hardwired for specific applications. Inspired by telephone switchboards , Otto Schäffler invented the plugboard in order to easily reprogram tabulators.