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In telecommunications, a voice operated switch, also known as VOX or voice-operated exchange, is a switch that operates when sound over a certain threshold is detected. [1] It is usually used to turn on a transmitter or recorder when someone speaks and turn it off when they stop speaking.
Voxer is a Dallas-based mobile app development company best known for its free Voxer Walkie Talkie app for smartphones. Founded by Tom Katis and Matt Ranney, Voxer Walkie Talkie is both a live "push-to-talk" system and a voice messaging system. Messages on Voxer are delivered live as they're being recorded and then delivered as a voice message ...
A walkie-talkie, more formally known as a handheld transceiver, HT, or handheld radio, is a hand-held, portable, two-way radio transceiver.Its development during the Second World War has been variously credited to Donald Hings, radio engineer Alfred J. Gross, Henryk Magnuski and engineering teams at Motorola.
Naval air traffic controller communicates with aircraft over a two-way radio headset A variety of portable handheld two-way radios for private use. A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves), which is used for bidirectional person-to-person voice communication with other users with similar radios, [1] in contrast to a broadcast receiver ...
A receiver with just a carrier or noise squelch does not suppress any sufficiently strong signal; in CTCSS mode it unmutes only when the signal also carries the correct sub-audible audio tone. The tones are not actually below the range of human hearing, but are poorly reproduced by most communications-grade speakers and in any event are usually ...
An example of a half-duplex system is a two-party system such as a walkie-talkie, wherein one must say "over" or another previously designated keyword to indicate the end of transmission, to ensure that only one party transmits at a time. A good analogy for a half-duplex system would be a one-lane road that allows two-way traffic, traffic can ...
The handheld radios, or walkie-talkies, detonated Wednesday, killing at least 14 people and wounding hundreds of others after they went off, also burning homes and cars.
Although a PoC radio is a walkie-talkie-like device, [8] there are substantial differences between them. [9] Compared to the latter, the former has a wider range of channels, covers a wider area, and does not require a license to transmit. [9]