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Radio noise near in frequency to a received radio signal (in the receiver's passband) interferes (RFI) with the operation of the receiver's circuitry.The level of noise determines the maximum sensitivity and reception range of a radio receiver; if no noise were picked up with radio signals, even weak transmissions could be received at virtually any distance by making a radio receiver that had ...
The amplifying devices in audio and radio equipment are vulnerable to a variety of feedback problems, which can cause distinctive noise in the output. The term motorboating is applied to oscillations whose frequency is below the range of hearing, from 1 to 10 hertz , [ 3 ] so the individual oscillations are heard as pulses.
Mobile players for physical media have been provided for vinyl records, 8-track tapes, cassette tapes, compact discs, and MP3s.The increased sophistication of the vehicle audio system to accommodate such media has made the audio unit a common target of car break-ins, so these are equipped with anti-theft systems too.
It can be heard as low-frequency noise and becomes a serious problem when playing records on audio systems with a good low-frequency response. Even when not audible, rumble can cause intermodulation, modulating of the amplitude of other frequencies. The ‘unweighted’ response curve is intended for use in assessing the level of inaudible ...
Local 58 is a horror web series created by cartoonist Kris Straub.The series is a spin-off of Straub's Candle Cove creepypasta. [1] [2] Currently hosted on the YouTube channel LOCAL58TV, each video in the series is presented as footage of a fictional public access television channel located in Mason County, West Virginia named Local 58, with the call sign WCLV-TV, created in the late 1930s ...
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It can set a maximum sound level at a specified distance (typically 50 feet). It can have a curfew. It can be based on noise disturbance in the community. It can also require the use of ear protectors on passengers. Unlike motorboats, the sound generators on these vehicles are airborne, resulting in more noise impact.
Any energy at frequencies above 19 kHz, which is the Nyquist frequency of FM stereo, may cause offensive audible aliasing described as "monkey chatter". [4] Any energy between 18.5 and 19.5 kHz may disrupt stereo decoding, causing sudden rotation of the soundfield. [4]