voice-frequency channel

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• Voice frequency — A voice frequency (VF) or voice band is one of the frequencies, within part of the audio range, that is used for the transmission of speech. In telephony, the usable voice frequency band ranges from approximately 300 Hz to 3400 Hz. It is for this …   Wikipedia

• Channel allocation schemes — In radio resource management for wireless and cellular network, channel allocation schemes are required to allocate bandwidth and communication channels to base stations, access points and terminal equipment. The objective is to achieve maximum… …   Wikipedia

• Channel (communications) — Old telephone wires are a challenging communications channel for modern digital communications. In telecommunications and computer networking, a communication channel, or channel, refers either to a physical transmission medium such as a wire, or …   Wikipedia

• Voice procedure — includes various techniques used to clarify, simplify and standardize spoken communications over two way radios, in use by the military, in civil aviation, police and fire dispatching systems, citizens band radio (CB), etc. Voice procedure… …   Wikipedia

• Frequency-division multiplexing — (FDM) is a form of signal multiplexing where multiple baseband signals are modulated on different frequency carrier waves and added together to create a composite signal. Non telephoneFDM can also be used to combine multiple signals before final… …   Wikipedia

• Channel Z — This article refers to the defunct New Zealand radio station; for other uses See also: Channel Z (disambiguation) Channel Z Broadcast area 3 markets in New Zealand S …   Wikipedia

• Channel 4 — This article is about the British television station. For other uses, see Channel 4 (disambiguation). Channel 4 Launched 2 November 1982 Owned by …   Wikipedia

• Voice of Russia — For the blues rock band, see Radio Moscow (band). Russian State Radio Company Voice of Russia Type Radio network …   Wikipedia

• Frequency modulation — See also: Amplitude modulation In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency (contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its… …   Wikipedia

• Frequency mutineers — The Frequency Mutineers or The FM are performance artists who met as Licensed DJs at WBGU 88.1 FM/NET (Bowling Green State University, Bowling Green, Ohio, USA). Their shows focus on Live P.A. including analog/digital turntablism, beatmatched… …   Wikipedia

• Single-frequency signaling — (SF) is line signaling (in telephony) in which dial pulses or supervisory signals are conveyed by a single voice frequency tone in each direction. SF and similar systems were used in 20th century carrier systems.An SF signaling unit converts DC… …   Wikipedia