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Strategies to reduce noise pollution or its impact
Noise control or noise mitigation is a set of strategies to reduce noise pollution or to reduce the impact of that noise, whether outdoors or indoors.
Noise_control
Method for reducing unwanted sound
Active noise control (ANC), also known as noise cancellation (NC), or active noise reduction (ANR), is a method for reducing unwanted sound by the addition
Active_noise_control
Unwanted sound
auditory ecology Loud music Noise and vibration on maritime vessels Noise control Noise in music Noise music Noise pollution Noise reduction Silence Sound
Noise
1972 U.S. legislation on noise pollution
extent of noise health effects. Congress ended funding of the federal noise control program in 1981, which curtailed development of further national regulations
Noise_Control_Act
Excessive displeasing noise
NIMBY Noise Abatement Society Noise and vibration on maritime vessels Noise control Noise measurement Noise map Noise regulation Occupational noise Ocean
Noise_pollution
Exterior structure on infrastructure used to prevent loud sounds from escaping
activity or use of source controls. In the case of surface transportation noise, other methods of reducing the source noise intensity include encouraging
Noise_barrier
Noise exposure from work environment
occupational noise. The hierarchy of controls is a guideline for reducing hazardous noise. Before starting a noise reduction program, base noise levels should
Occupational_noise
Entertainment electronics in cars
loudspeakers may also be used to minimize road and engine noise with active noise control, or they can also be used to augment engine sounds, for example
Vehicle_audio
Signal processing technique to reduce noise
Adaptive noise cancelling is a signal processing technique for suppressing interference corrupting a received signal where the interference is known and
Adaptive_noise_cancelling
Noise control by legal regulation of noise-producing items
States Noise Control Act of 1972, other local and state governments passed further regulations. A noise regulation restricts the amount of noise, the duration
Noise_regulation
Headphones with active noise control
Noise-cancelling headphones are headphones that reduce unwanted ambient sounds using active noise control (ANC), a technology that electronically minimizes
Noise-cancelling_headphones
International scientific society
Letters. Noise Control (1955-1961) online archive Sound: Its Uses and Control (1962-1963) online archive - A continuation of Noise Control, with broadened
Acoustical_Society_of_America
Science and engineering of achieving a good sound within a building
by radiating in many directions) Building services noise control is the science of controlling noise produced by: HVAC (heating, ventilation, air conditioning)
Architectural_acoustics
Mechanical device that closes a door in a controlled manner
In buildings that require noise control (studios) door closers play an important part in the suppression of unwanted noise both in and out rooms and the
Door_closer
Study and modification of the noise and vibration characteristics of vehicles
Noise, vibration, and harshness (NVH), also known as noise and vibration (N&V), is the study and modification of the noise and vibration characteristics
Noise, vibration, and harshness
Noise,_vibration,_and_harshness
Electronic manipulation of audio signals
level. Active noise control is a technique designed to reduce unwanted sound. By creating a signal that is identical to the unwanted noise but with the
Audio_signal_processing
The Control of Noise at Work Regulations 2005 (SI 2005/1643) place a duty on employers within Great Britain to reduce the risk to their employees health
Control of Noise at Work Regulations 2005
Control_of_Noise_at_Work_Regulations_2005
Branch of physics involving mechanical waves
aspects of modern society with the most obvious being the audio and noise control industries. Hearing is one of the most crucial means of survival in
Acoustics
Sound emanating from motor vehicles
meaningful. After passage of the National Environmental Policy Act and Noise Control Act, the demand for detailed analysis soared, and decision makers began
Roadway_noise
Branch of engineering dealing with sound and vibration
and control of sound. One goal of acoustical engineering can be the reduction of unwanted noise, which is referred to as noise control. Unwanted noise can
Acoustical_engineering
Noise generated by powered aircraft
extensive controls that apply to aircraft designers, manufacturers, and operators, resulting in improved procedures and cuts in pollution. Aircraft noise is
Aircraft_noise_pollution
American manufacturing company
PAC International, LLC. manufactures a complete line of acoustical noise control products for use in residential (single-family housing and multiple-family
PAC_International
Influences on the interpretation of conversations
Forms of communication noise include psychological noise, physical noise, physiological and semantic noise. All these forms of noise subtly, yet greatly
Communication_noise
Sound absorption performance of a material
Architectural acoustics Construction Impact insulation class Noise Noise control Noise reduction Sound Reduction Index Soundproofing Hughes, W. O. (2015)
Noise_reduction_coefficient
Noise pollution occurring outdoors
Environmental noise is an accumulation of noise pollution that occurs outside. This noise can be caused by transport, industrial, and recreational activities
Environmental_noise
Random fluctuation in an electrical signal
In electronics, noise is an unwanted disturbance in an electrical signal. Noise generated by electronic devices varies greatly as it is produced by several
Noise_(electronics)
Methods to reduce sound pressure
absorption, or using active anti-noise sound generators. Acoustic quieting and noise control can be used to limit unwanted noise. Soundproofing can reduce the
Soundproofing
HVAC noise control treatment
is a noise control acoustical treatment of Heating Ventilating and Air-Conditioning (HVAC) ductwork designed to reduce transmission of noise through
Sound_attenuator
Type of actuator
transitional flow using these actuators. Active noise control normally denotes noise cancellation, that is, a noise-cancellation speaker emits a sound wave with
Plasma_actuator
Process of removing noise from a signal
Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort
Noise_reduction
Health consequences of exposure to elevated sound levels
Noise health effects are the physical and psychological health consequences of regular exposure to consistent elevated sound levels. Noise from traffic
Health_effects_from_noise
FAIST Anlagenbau GmbH is one of the biggest manufacturer of noise control facilities and aero-acoustic wind tunnel treatment. The company which is located
FAIST_Anlagenbau_GmbH
Type of noise produced by Brownian motion
Brown noise 10 seconds of Brownian noise Problems playing this file? See media help. In science, Brownian noise, also known as Brown noise or red noise, is
Brownian_noise
Sound other than the sound being monitored (primary sound)
levels. The prevention or reduction of background noise is important in the field of active noise control. It is an important consideration with the use
Background_noise
Azerbaijani scientist (born 1935)
research focuses on noise, especially regarding technology used to control and manipulate noise. 1958-1984, Institute of Control Systems of Azerbaijan
Telman_Aliev
Measurement of sound permeability
Architectural acoustics Construction Impact insulation class Noise Noise control Noise reduction Sound Reduction Index Soundproofing Roller, H. Stanley
Sound_transmission_class
Logarithmic unit expressing the ratio of physical quantities
acoustics, in electronics and control theory. In electronics, the gains of amplifiers, attenuation of signals, and signal-to-noise ratios are often expressed
Decibel
Community gathering in celebration
permits and adherence to legal regulations such as street closures, noise control, public safety, and health guidelines. As a form of activism street
Block_party
Regional airliner
340B Plus was the installation of an active noise and vibration control system in the cabin, reducing noise and vibration levels by about ten dB during
Saab_340
Gunbarrel attachment protective against burns and blast waves
extends beyond the muzzle of a firearm in order to redirect some of the noise and concussion, or shock wave, from the muzzle blast forward and away from
Muzzle_shroud
Damping unwanted vibrations of machinery
builders place sound-control barriers (such as fiberglass batting) in walls to deaden the transmission of noise through them. Noise absorption: In architectural
Acoustic_quieting
Problem in naval architecture
level, where most shipboard noise problems are reduced by controlling vibration. The main producers of mechanically created noise and vibration are the engines
Noise and vibration on maritime vessels
Noise_and_vibration_on_maritime_vessels
Disorder of decreased tolerance to specific sounds
January Jones Active noise control Auditory hypersensitivity Chalkboard scraping Hearing protection device Hyperacusis Noise control Phonophobia Safe listening
Misophonia
Open-celled foam used for sound absorption
sound-waves, reducing their amplitude, for the purposes of noise reduction or noise control. The energy is dissipated as heat. Acoustic foam is primarily
Acoustic_foam
Vehicle noise made by trains
Train noise is vehicle noise made by trains. Noises may be heard inside the train and outside. Subway systems, light rail transit and freight trains can
Train_noise
Device to protect ears from loud noises
that is inserted in the ear canal to protect the user's ears from loud noises, intrusion of water, foreign bodies, dust or excessive wind. Earplugs may
Earplug
noise Noise Noise (audio) Noise (economic) Noise (electronic) Noise (environmental) Noise (physics) Noise (radio) Noise (video) Noise current Noise-equivalent
List_of_noise_topics
Belgian earplug company
concerts, festivals, and other loud spaces. Loop Engage block out background noise but allow voices to remain clear, and are intended for loud social places
Loop_Earplugs
Addition of sound to reduce distraction
relies on auditory masking. Sound masking is not a form of active noise control (noise cancellation technique); however, it can reduce or eliminate the perception
Sound_masking
from harmful noise, chemical agents, and heat. Some of such companies that been recognized for their demonstrated results from noise control and Buy Quiet
Buy_Quiet
Microphone that filters ambient noise
A noise-canceling microphone is a microphone that is designed to filter ambient noise. The development is a special case of the differential microphone
Noise-canceling_microphone
Device for reducing the noise emitted by the exhaust
English) is a device for reducing the noise emitted by the exhaust of an internal combustion engine—especially a noise-deadening device forming part of the
Muffler
Canadian turboprop airliner
The QSeries (Q for quiet) are post-1997 variants fitted with active noise control systems. According to the terms of a property transaction made by Bombardier
De_Havilland_Canada_Dash_8
Electric circuit added to biological signal amplifiers
circuitry is used to eliminate interference noise by actively cancelling the interference. Other methods of noise control include: Faraday cage Twisting Wires
Driven_right_leg_circuit
Music genre
Noise music (or simply noise) is a subgenre of experimental music that is characterised by its use of unwanted noise as a primary musical element. The
Noise_music
Technology of indoor and vehicular environmental comfort
thermal comfort and to control airborne contaminants through heating, cooling, ventilation, filtration, and humidity control. HVAC design considerations
Heating, ventilation, and air conditioning
Heating,_ventilation,_and_air_conditioning
outside of the vehicle. Active sound design (ASD) often uses active noise control and acoustic enhancement techniques to achieve a synthesized vehicle
Active_sound_design
Transmission of sound through indirect pathways in buildings
the building and is an important consideration in acoustic design and noise control engineering. Several methods have been developed to predict the apparent
Flanking_transmission
Art project
One Square Inch of Silence is a noise control project symbolized by a small red stone symbolically placed in Hoh Rainforest at Olympic National Park in
One_Square_Inch_of_Silence
Audio processing device
A noise gate or simply gate is an electronic device or software that is used to control the volume of an audio signal. Comparable to a limiter, which
Noise_gate
demonstrate measurable achievements towards noise control and hearing loss prevention in the workplace. Noise-induced hearing loss is a prevalent work related
Safe-in-Sound_Award
Adverse environmental contamination
States between the mid-1950s and early 1970s, when Congress passed the Noise Control Act, the Clean Air Act, the Clean Water Act, and the National Environmental
Pollution
Technology research program to improve the ecological footprint of airliners
acoustic ceramic matrix composite nozzle for weight and noise reduction aerodynamic and flight control improvements. advanced wing coatings to reduce ice accumulation
EcoDemonstrator
Protection device for auditory organs
exposed to hazardous noise and provide hearing protection to help prevent noise-induced hearing loss. HPDs reduce the level of the noise entering the ear
Hearing_protection_device
Taiwanese Coast Guard ships
maximum crew of 50. The vessels have advanced quieting and interior noise control. The two ships of the class, Yilan and Kaohsiung were commissioned together
Yilan-class_patrol_vessel
Local pressure deviation caused by a sound wave
answers". Inter.noise (International Congress & Exposition on Noise Control Engineering). Hong-Kong, China. Figure 1 shows the noise level generated when
Sound_pressure
Machine used to produce air flow
(retrieved March 22, 2022) UK Health and Safety Executive: Top 10 noise control techniques "The Thermodynamics Behind the Mac Pro". Popular Mechanics
Fan_(machine)
2011 smartphone by Apple
there is a 3.5 mm headphone jack and a microphone that is used for both noise cancellation during calls and when in speakerphone/FaceTime (video calling)
IPhone_4s
Tank used in hot water systems
bobvila.com. Retrieved 26 September 2022. "Here's How: Stop water bang noise in your plumbing". The Northwest Florida Daily News. November 3, 2016. Retrieved
Expansion_tank
Device or construct that prevents or attenuates loud noises
fundamental tool of noise mitigation, the practice of minimizing noise pollution or reverberation. An important type of sound baffle is the noise barrier constructed
Sound_baffle
Room designed to be completely echo free
frequency (RF) anechoic chambers, which eliminate reflection and external noise caused by electromagnetic waves. Anechoic chambers range from small compartments
Anechoic_chamber
Ear-protecting headgear worn over ears to protect from cold or loud noise
volume control to increase and decrease the attenuation. Active noise reduction earmuffs incorporate electronic noise cancellation or active noise cancellation
Earmuffs
Probabilistic optimal control
presence of this noise. The context may be either discrete time or continuous time. An extremely well-studied formulation in stochastic control is that of linear
Stochastic_control
Rate of increase in wind strength per unit increase in height
S. (2000). "10. Outdoor sound propagation" (PDF). Noise Control. ME 458: Engineering Noise Control. State College, PA: Penn State University. pp. 10.6
Wind_gradient
Type of gradient noise in computer graphics
Perlin noise is a type of gradient noise developed by Ken Perlin in 1982. It has many uses, including but not limited to: procedurally generating terrain
Perlin_noise
Facility used to house computer servers
amid noise complaints". ABC15 Arizona in Phoenix (KNXV). Retrieved February 11, 2023. "Data Center Soundproofing and Noise Control- Reduce Server Noise".
Data_center
Heating of air in buildings or vehicles
buildings. This is because of their energy efficiency, heating distribution and noise when in operation. Distributed heating systems generate heat in the space
Heating_system
Concept in human perception of sound
J Biol. and Med. 21:455, 1949. H. von Gierke. Noise Control 2: 37, 1956. J. Zwislocki. J. Noise Control 4: 42, 1958. R. Morrow and J. Seipel. J. Wash
Microwave_auditory_effect
Landscape planning concept
landscape planning to highlight areas with good sound quality and limited noise disturbance. The concept is typically used in nature and nature-like areas
Quiet_area
Acoustics noise control company that makes anechoic chambers
Eckel Industries is an acoustics noise control company founded 1952 in Cambridge, Massachusetts. The company engineers and constructs anechoic (echo-free)
Eckel_Industries
Ear plugs designed by Doppler Labs
1 December 2017. Crook, Jordan (5 December 2014). "DUBS Bring Down The Noise In Night Clubs". TechCrunch. Retrieved 1 December 2017. Ratas, Tomas (2
DUBS_Acoustic_Filters
Form of hearing loss
hazard controls. OHL is one of the most common work-related illness in the United States. Occupational hearing hazards include industrial noise, and exposure
Occupational_hearing_loss
the noise level. Engineering controls and administrative controls are ranked as the most effective protection from noise in the hierarchy of controls. Engineering
Hearing_conservation_program
Medical condition
Sensorineural hearing loss Tinnitus General Noise Noise pollution Noise regulation Noise control Environmental noise Organizations and awareness-raising initiatives
Noise-induced_hearing_loss
Signal with equal energy per octave
Pink noise 10 seconds of pink noise, normalized to −1 dBFS peak amplitude Problems playing this file? See media help. Pink noise, 1/f noise, fractional
Pink_noise
Overview of and topical guide to acoustics
aspects of modern society with the most obvious being the audio and noise control industries. Archaeoacoustics – study of sound within archaeology. This
Outline_of_acoustics
Sound insulation measure
measuring in decibels (dB), the noise level produced on each side of a building element under test (e.g. a wall) when noise is produced in a room on one
Sound_reduction_index
Ratio of the desired signal to the background noise
Signal-to-noise ratio (SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. SNR
Signal-to-noise_ratio
Audible vibration that travels via pressure waves in matter
acoustics, bioacoustics, electroacoustics, environmental noise, musical acoustics, noise control, psychoacoustics, speech, ultrasound, underwater acoustics
Sound
Flow-control device
A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. This enables the
Control_valve
Airport serving the northern Greater Los Angeles area, California
under the terms of the Noise Control Act of 1972. The airport now has a strictly voluntary noise abatement procedure to reduce noise of aircraft arriving
Hollywood_Burbank_Airport
Mobile phone
environmental noise for active noise cancellation, which makes user's voice in noisy environment sound clearer to the person at the other end of the line. Noise cancellation
Nokia_E6
Temperature control system
act as a switch to control the HVAC unit. Units with relays will operate millivolt systems, but often make an audible "click" noise when switching on or
Thermostat
algorithms for noise reduction control these artifacts with varying levels of success. Dark frame – analogous technique in image noise reduction Boyd
Noise_print
Management of workplace health hazards
Substances, Measurement of Hazardous Substances, Thermal Environment, Noise, Asbestos, Control, Ergonomics) are aimed at the ‘foundation’ and ‘intermediate’ levels
Occupational_hygiene
Value (EAV) or Action Value (AV) is a limit set on occupational exposure to noise where, when those values are exceeded, employers must take steps to monitor
Exposure_action_value
How sound behaves in an enclosed space
Acoustics Anechoic room Architectural acoustics Digital room correction Noise control Sound proofing Whispering gallery The frequency is approximately 2000
Room_acoustics
Specialized facility designed for firearms practice
clock under a controlled environment. Outdoor shooting ranges are typically found away from populated areas due to concerns of safety, noise pollution and
Shooting_range
Range of indoor air temperatures preferred by most people
environment : health aspects of air quality, thermal environment, light and noise (PDF). p. 17. Lane, Megan (2011-03-03). "BBC News Magazine: How warm is
Room_temperature
Machine that removes heat from a liquid coolant
If noise levels of the chiller are acoustically unacceptable, noise control engineers will implement sound attenuators to reduce chiller noise levels
Chiller
NOISE CONTROL
NOISE CONTROL
Female
Norse
Old Norse name AUÃR means "deeply rich."
Male
Norse
Old Norse name composed of the name of the god Thor and the word gn�r "grumble, noise," hence "voice of Þórr."
Female
French
French form of Latin Elwisia, ÉLOISE means "hale-wide; very healthy and sound."Â
Male
Celtic
, snipe(?).
Male
Norse
Old Norse name SVEINN means "boy."
Boy/Male
Australian, Celtic, Irish
Mythical Name
Girl/Female
Australian, French, German
Renowned in Battle
Male
Norse
Old Norse name ÃRI means "eagle."
Girl/Female
Australian, Nigerian
God will be Yours
Surname or Lastname
English
English : variant spelling of Noyce.
Male
English
Middle English form of French Moisé, MOISE means "drawn out."
Male
Norse
Old Norse name YNGLING means "descendant of Ing."
Male
Irish
Irish Gaelic name, of unknown NAOISE means. In Celtic mythology, this is the name of the warrior nephew of King Conchobar and beloved of Deirdre.
Female
Norse
Variant spelling of Old Norse Siv, SIF means "bride."
Male
Norse
Old Norse name ÃRNI means "eagle."
Male
Norse
Old Norse name HJORTR means "hart, stag."
Male
Norse
Old Norse form of Hebrew David, DAVIÃ means "beloved."
Boy/Male
French
Forest.
Surname or Lastname
English
English : variant spelling of Boyce.
Female
French
Feminine form of French François, FRANÇOISE means "French."
NOISE CONTROL
NOISE CONTROL
Boy/Male
Arabic, Muslim
Blessing of Allah
Boy/Male
French
Boy/Male
Afghan, Arabic, Indian, Muslim, Sindhi, Tamil
Divider Between Vice and Virtue; One who Distinguishes Truth from Falsehood
Boy/Male
Hindu, Indian, Marathi
A Ray of Light; Angel Sweet Lovely Beautiful
Girl/Female
Tamil
Jelaxmi | ஜேலகà¯à®·à¯à®®à¯€Â
Goddess of victory, Star
Boy/Male
Arabic
To Ready for Something
Boy/Male
Indian, Malayalam
Successful Man
Girl/Female
Indian, Punjabi, Sikh
Brave King
Female
Portuguese
Feminine form of Portuguese HermÃnio, HERMÃNIA means "army man."
Boy/Male
Indian, Punjabi, Sikh
Lamp Flame
NOISE CONTROL
NOISE CONTROL
NOISE CONTROL
NOISE CONTROL
NOISE CONTROL
n.
A loud noise resulting from collision; a noisy collision of bodies; a collision.
v. t.
To utter in a nasal manner; to pronounce with a nasal twang; as, to nose a prayer.
a.
Attended by, or making, a loud and tumultuous noise; clamorous; noisy; vociferous.
v. i.
To sound; to make a noise.
n.
A red nose.
n.
A projecting end or beak at the front of an object; a snout; a nozzle; a spout; as, the nose of a bellows; the nose of a teakettle.
n.
Great tumult; violent disturbance and noise; noisy confusion; bustle and clamor.
n.
The Norse language.
v. t.
To disturb with noise.
superl.
Full of noise.
v. t.
To touch with the nose; to push the nose into or against; hence, to interfere with; to treat insolently.
v. i.
To run at the nose; to make a snuffling noise.
n.
Confused, clattering noise; din; noisy talk or sport.
n.
Hence: Any assembly characterized by noise and confusion; a noisy frolic or gathering.
v. t.
To tie in a noose; to catch in a noose; to entrap; to insnare.
n.
To balance; to make of equal weight; as, to poise the scales of a balance.
imp. & p. p.
of Noise
superl.
Making a noise, esp. a loud sound; clamorous; vociferous; turbulent; boisterous; as, the noisy crowd.
n.
A snub nose.