In common use, the word noise means unwanted sound or noise pollution. In electronics noise can refer to the electronic signal corresponding to acoustic noise or the electronic signal corresponding to the noise commonly seen as 'Noise ' on a degraded television or video image.... topics.
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In common use, the word noise means unwanted sound or noise pollution. In electronics noise can refer to the electronic signal corresponding to acoustic noise or the electronic signal corresponding to the noise commonly seen as 'Noise ' on a degraded television or video image.... topics.
A Weighting curve is a graph that is used to 'weight' measured values of a variable according to their importance in relation to some outcome. The most commonly know example is in sound level measurement where a specific set of weighting curves known as A, B, C and D weighting are often used....
In atmospheric sound transmission or noise pollution, ambient noise level is the sound pressure level at a given location, normally specified as a reference level to study a new intrusive sound source....
In telecommunication, antenna noise temperature is the temperature of a hypothetical resistor at the input of an ideal signal noise-free receiver that would generate the same output noise power per unit Bandwidth as that at the antenna output at a specified frequency....
For noise in signal processing, see signal noise and color of noise.Artificial noise in the context of sports is the use of sound-making or electronic sound devices....
Audio system measurements are made for several purposes. Designers take measurements so that they can specify the performance of a piece of equipment....
Bel can mean:* Bel, a unit of ratio equal to ten decibels* Bel , a Semitic deity * Belenus; a Celtic deity* Bael; a tree native to India* Behind Enemy Lines , an American crust punk band... , Bel (acoustics)
Burst noise is a type of electronic noise that occurs in semiconductors. It is also called popcorn noise, impulse noise, bi-stable noise, or random telegraph signal noise....
In telecommunication, the term channel noise level has the following meanings:#The ratio of the channel signal noise at any point in a transmission system to an arbitrary level chosen as a reference....
Circuit noise level: At any point in a transmission system, the ratio of the Telecommunication circuit signal noise at that point to an arbitrary level chosen as a reference....
Even though noise is a Randomness Signal , it can have characteristic statistical properties. Spectral density is such a property, which can be used to distinguish different types of noise....
Comfort noise is artificial background noise used in radio and wireless communications to fill the silence in a transmission resulting from voice activity detection or from the clarity of modern digital lines....
DBA may refer to:In business:*dba, a low-cost German airline*Doing business as, a legal term related to the name a business uses*Doctor of Business Administration, a research doctorate degree...
The decibel is a logarithmic units of measurement that expresses the magnitude of a physical quantity relative to a specified or implied reference level....
Detection theory, or signal detection theory, is a means to quantify the ability to discern between signal and signal noise.According to the theory, there are a number of psychological determiners of how we will detect a signal, and where our threshold levels will be....
Dither is an intentionally applied form of noise, used to randomize quantization error, thereby preventing large-scale patterns such as contouring that are more objectionable than uncorrelated noise....
Dynamic range is a term used frequently in numerous fields to describe the ratio between the smallest and largest possible values of a changeable quantity, such as in sound and light....
In telecommunications, effective input noise temperature is the source noise temperature in a two-Computer port telecommunications network or amplifier that will result in the same output noise power, when connected to a noise-free network or amplifier, as that of the actual network or amplifier connected to a noise-free source....
In telecommunication, an equivalent noise resistance is a quantitative representation in resistance units of the spectral density of a noise-voltage generator, given by...
In telecommunication, equivalent pulse code modulation noise is the amount of thermal noise Power on a frequency-division multiplexing or wire channel necessary to approximate the same judgment of speech quality created by quantizing noise in a Pulse-code modulation channel....
Flicker noise is a type of electronic noise with a 1/ƒ, or pink noise spectrum. It is therefore often referred to as 1/ƒ noise or pink noise, though these terms have wider definitions....
Gaussian noise is statistical noise that has a probability density function of the normal distribution . In other words, the values that the noise can take on are Gaussian-distributed....
Generation-Recombination noise, or g-r noise, is a type of electrical signal noise caused statistically by the fluctuation of the generation and recombination of electrons in semiconductor-based photon detectors....
Image noise is a random, usually unwanted, variation in brightness or color information in an . Image noise can originate in film grain, or in electronic noise in the input device sensor and circuitry, or in the unavoidable shot noise of an ideal photon detector....
Internet background noise consists of data packet s on the Internet which are addressed to IP addresses or TCP and UDP ports where there is no network device set up to receive them....
The ITU-R 468-weighting curve is widely used when measuring noise in audio systems, especially in the UK, Europe, and former countries of the British Empire such as Australia and South Africa....
Mode partition noise: In an optical communication link, is Jitter of the Signalling caused by the combined effects of Normal mode hopping in the optical source and intramodal distortion in the fiber....
Neuronal noise is the term that describes random activity of neurons that presumably is not associated with encoding of behaviorally relevant variables....
In common use, the word noise means unwanted sound or noise pollution. In electronics noise can refer to the electronic signal corresponding to acoustic noise or the electronic signal corresponding to the noise commonly seen as 'Noise ' on a degraded television or video image....
Noise in audio, recording, and broadcast systems refers to the residual low level sound that is heard in quiet periods of a programme.In audio engineering it can refer either to the acoustic noise from loudspeakers, or to the unwanted residual electronic noise signal that gives rise to acoustic noise heard as 'hiss'....
Economic noise, or simply noise, describes a theory of pricing developed by Fischer Black. To Black, noise is the opposite of information. Sometimes it's hype, other times it's inaccurate ideas, other times it's inaccurate data; noise has many forms....
Radio noise in radio reception is the superposition of white noise and other disturbing influences on the signal, caused either by thermal noise and other electronic noise from receiver input circuits or by interference from radiated electromagnetic noise picked up by the receiver's antenna ....
Noise in analog video and television is perceived as a random dot pattern which is superimposed on the picture as a result of electronic noise and radiated electromagnetic noise picked up by the receiver's antenna ?it is the "White noise" which is seen with poor analog television reception or on VHS tapes....
Noise-equivalent power is a measure of the sensitivity of an optical detector or detector system. It is defined as the signal power which gives a signal to noise ratio of 1 for an integration time of half a second, or more technically the radiant power that produces a signal to noise ratio of unity at the output of a given optical detector a...
In telecommunication, noise figure is a measure of degradation of the signal to noise ratio , caused by components in the RF signal chain. The noise figure is the ratio of the output noise power of a device to the portion thereof attributable to thermal noise in the input termination at standardization noise temperature ....
In signal theory, the noise floor is the measure of the signal created from the sum of all the noise sources and unwanted signals within a measurement system....
A Noise Gate or gate is an electronic device or software logic that is used to control the volume of an audio signal. In its most simple form, a noise gate allows a Signal to pass through only when it is above a set threshold: the gate is 'open'....
In telecommunication, noise level is the noise power, usually relative to a reference.In atmospheric sound transmission, noise level is the noise power of the longitudinal sound wave relative to a point of reference....
Noise measurement is carried out in various fields.In acoustics, it can be for the purpose of measuring environmental noise, or part of a test procedure using white noise, or some other specialist form of test signal....
In telecommunication, the term noise power has the following meanings:# The measured total noise per Bandwidth unit at the input or output of a device when the signal is not present....
A noise print is part of a technique used in noise reduction. A noise print is commonly used in audio mastering to reduce the effects of unwanted noise from a piece of audio....
Noise shaping is a technique typically used in digital audio, image, and video processing, usually in combination with dithering, as part of the process of quantization or bit-depth reduction of a digital signal....
In electronics, noise temperature is a temperature assigned to a component such that the noise power delivered by the noisy component to a noiseless matched resistor is given by...
A 'noise weighting is a specific amplitude-vs.-frequency characteristic that is designed to allow subjectively valid measurement of noise. It emphasises the parts of the spectrum that are most important....
The phrase peak signal-to-noise ratio, often abbreviated PSNR, is an engineering term for the ratio between the maximum possible power of a Signal and the power of corrupting noise that affects the fidelity of its representation....
Perlin noise is a Procedural_generation Texture_%28computer_graphics%29 primitive, used by visual effects artists to increase the appearance of realism in computer graphics....
Phase noise is the frequency domain representation of rapid, short-term, random fluctuations in the phase of a wave, caused by time domain instabilities ....
Pink noise or 1/? noise is a signal or process with a frequency spectrum such that the spectral density is proportional to the reciprocal of the frequency....
A radio noise source is a device that emits radio waves at a certain frequency, used to calibrate radio telescopes such that received data may be compared to a known value, as well as to find the focal point of a telescope soon after construction, so that the wave guide and front end may be properly located....
In telecommunications, the term received noise power has the following meanings:1. The calculated or measured noise power, within the Bandwidth being used, at the receive end of a Telecommunication circuit, channel , data link, or system....
In telecommunication, reference noise is the magnitude of Telecommunication circuit noise chosen as a reference for measurement.Note: Many different levels with a number of different weightings are in current use, and care must be taken to ensure that the proper parameters are stated....
Salt and pepper noise is a form of noise typically seen on images. It represents itself as randomly occurring white and black pixels. Usual and effective noise reduction method for this type of noise involves the usage of median filter....
Shot noise is a type of electronic noise that occurs when the finite number of particles that carry energy, such as electrons in an electronic circuit or photons in an optical device, is small enough to give rise to detectable statistical fluctuations in a measurement....
Signal-to-noise ratio is an electrical engineering measurement, also used in other fields , defined as the ratio of a signal power to the noise power corrupting the signal....
Stochastic resonance is observed when noise added to a system improves the system's performance in some fashion. More technically, SR occurs if the signal-to-noise ratio of a nonlinear system or device increases for moderate values of noise intensity....
Tape hiss is the high frequency noise present on analog signal magnetic tape recordings caused by the size of the magnetic particles used to make the tape....
Underwater acoustics is the study of the propagation of sound in water and the interaction of the mechanical waves that constitute sound with the water and its boundaries....
White noise is a random signal with a flat power spectral density. In other words, the signal contains equal power within a fixed bandwidth at any center frequency....
A white noise machine is a device that produces a sound that is random in character, somewhat like a waterfall or air escaping from a balloon. They generally do not produce actual white noise, which has a harsh sound, but more often pink noise, whose power rolls off at higher frequencies, or other colors of noise....
For noise in signal processing, see signal noise and color of noise.Artificial noise in the context of sports is the use of sound-making or electronic sound devices....
Aircraft noise is defined as sound produced by any aircraft or its components, during various phases of a flight, on the ground while parked such as auxiliary power units, while taxiing, on run-up from propeller and jet exhaust, during take off, underneath and lateral to departure and arrival paths, over-flying while en route or during la...
In acoustics and specifically in acoustical engineering, background noise is any sound other than the sound being monitored. Background noise is a form of noise pollution or interference....
Industrial noise is usually considered mainly from the point of view of environmental health and safety, rather than nuisance, as sustained exposure can cause permanent hearing damage....
Acoustic noise, is any sound in the acoustic domain, both wanted and unwanted. Unwanted noise includes noise pollution in an otherwise quiet environment, unwanted noise on audio systems, appliance noise, factory noise, crowd noise and so on....
A noise barrier is an exterior structure designed to protect sensitive land uses from noise pollution. Noise barriers are the most effective method of mitigating roadway noise, railway, and industrial noise sources ? other than cessation of the source activity or use of source controls....
Noise control is an active or passive means of reducing sound emissions, often incentivised by personal comfort, environmental considerations or legal compliance....
Noise health effects are the health consequences of elevated sound levels. Elevated workplace or other noise can cause hearing impairment, hypertension, ischemic heart disease, annoyance, sleep disturbance, and decreased school performance....
Noise pollution is displeasing human-, animal- or machine-created sound that disrupts the activity or balance of human or animal life. A common form of noise pollution is from transportation, principally motor vehicles....
Noise regulation includes statutes or guidelines relating to sound transmission established by national, state or provincial and municipal levels of government....
Roadway noise is the collective sound energy emanating from motor vehicles. In the USA it contributes more to environmental noise exposure than any other noise source, and is constituted chiefly of engine, tire, aerodynamic and braking elements....
Train noise is sound produced by vehicles using a trackbed or rail guidance system. Trains include freight, long haul passenger, commuter rail, metro or mass transit and light rail systems....
dbx is a family of Audio noise reduction systems developed by dbx, Inc.. The most common implementations are dbx Type I and dbx Type II for analog magnetic tape recording and, less commonly, vinyl Gramophone records....
Differential signaling is a method of transmitting information electrically by means of two complementary Signal sent on two separate wires. The technique can be used for both analog signaling, as in some Sound recording and reproduction systems, and digital signaling, as in RS-422, RS-485, Ethernet , PCI Express and USB....
Dolby NR is the name given to a series of Audio noise reduction systems developed by Dolby Laboratories for use in analogue magnetic tape recording....
Helicopter noise reduction is a topic of research into designing helicopters which can be operated more quietly, reducing the public-relations problems with night-flying or expanding an airport....
A hush kit is a device for reducing noise from an engine; most commonly the term refers to devices which reduce noise emissions from low-bypass turbofan engines, as fitted to older commercial aircraft ....
A noise barrier is an exterior structure designed to protect sensitive land uses from noise pollution. Noise barriers are the most effective method of mitigating roadway noise, railway, and industrial noise sources ? other than cessation of the source activity or use of source controls....
Noise-cancelling headphones reduce unwanted ambient sounds by means of active noise control . Essentially, this involves using a microphone, placed near the ear, and electronics circuitry which generates an "antinoise" sound wave with the opposite polarity of the sound wave arriving at the microphone....
Noise control is an active or passive means of reducing sound emissions, often incentivised by personal comfort, environmental considerations or legal compliance....
Noise mitigation is a set of strategies to reduce noise pollution. The main areas of noise mitigation or abatement, are: transportation noise control, architecture design, and industrial noise control....
Noise reduction is the process of removing noise from a signal . Noise reduction techniques are conceptually very similar regardless of the signal being processed, however A priori and a posteriori knowledge of the characteristics of an expected signal can mean the implementations of these techniques vary greatly depending on the type of si...
Noise regulation includes statutes or guidelines relating to sound transmission established by national, state or provincial and municipal levels of government....
The word silencer can mean:* A suppressor that goes on the end of a firearm barrel* Muffler on an internal combustion engine's exhaust pipe* A sound-reducing device located in a large chimney...
Sound proofing
Music
Art of Noise
Difference between music and noise
Harsh noise
List of Brazilian grindcore, noise and hardcore bands
Muzak Holdings Limited liability company is a company based in metro Fort Mill, South Carolina, United States, just outside of Charlotte, North Carolina, founded in 1934, that is best known for distribution of music to retail stores and other companies....
Noise music is a term used to describe varieties of avant-garde music and sound art that may use elements such as cacophony, Consonance and dissonance#Dissonance, atonality, noise, indeterminacy, and repetition in their realization....
Noise pop is a term used to loosely describe a number of alternative rock bands that fuse punk rock's attitude and anger with the atonal noise, Audio feedback, and free song structures of noise music, presented in a decidedly pop context....
Noise rock describes one variety of post-punk rock music that became prominent in the 1980s. Noise rock makes use of the traditional instrumentation and iconography of rock music, but incorporates atonality and especially consonance and dissonance, and also frequently discards usual songwriting conventions....
Noisecape is an international noise event based in The Hague, the Netherlands.The festival offers the opportunity for artists and musicians who work in the field of new music, sound art and performances....
Power noise is a fusion genre among Noise and various styles of electronic dance music. It should not be confused with "List of post-industrial music genres and related fusion genres#Power electronics", which lacks rhythmic elements and is closer to harsh noise....
dB drag racing is a competition rewarding the person who can produce the loudest sound inside a vehicle. The "dB" means decibels of sound pressure level ....
