| Subject | English | Latvian |
| environ. | aerodynamic noise Acoustic noise caused by turbulent airflow over the surface of a body | aerodinamiskais troksnis |
| environ. | airborne noise Noise caused by the movement of large volumes of air and the use of high-pressure air | troksnis, kas rodas no gaisā esošajiem avotiem |
| environ. | aircraft noise Effective sound output of the various sources of noise associated with aircraft operation, such as propeller and engine exhaust, jet noise, and sonic boom | lidaparāta radītais troksnis |
| environ. | ambient noise | vides troksnis |
| environ. | animal noise Noise caused by animals such as dogs kept in kennels or in private homes as pets | dzīvnieku radītais troksnis |
| environ. | background noise Noise coming from source other than the noise source being monitored | fona troksnis |
| pharma., chem. | background noise | fons |
| environ. | commercial noise Noise emitted from commercial activities | ražošanas troksnis |
| environ. | construction noise Noise resulting from construction activities such as site preparation, site clearance, demolition of existing buildings, piling, concreting, erection of structures, etc. | būvniecības radītais troksnis |
| environ. | domestic noise Noise caused by domestic facilities and activities | mājsaimniecības radītais troksnis |
| environ. | environmental noise | vides troksnis |
| environ. | environmental noise The sound and the characteristics of sounds from all sources in the surrounding environment | vides troksnis |
| commun. | equivalent satellite link noise temperature | ekvivalentā satelītlīnijas trokšņa temperatūra |
| environ. | health effect of noise Noise consequences on human health consist in loss of hearing and psychological effects | trokšņa ietekme uz veselību |
| el. | impulse noise | impulstrokšņi |
| environ. | impulsive noise Noise characterized by transient short-duration disturbances distributed essentially uniformly over the useful passband of a transmission system | impulsveida troksnis |
| el. | impulsive noise | impulstrokšņi |
| environ. | industrial noise Noise produced by industrial plants activities | rūpnieciskie traucējumi |
| environ. | intermittent noise Noise occurring at regular or irregular intervals | intermitējošs troksnis |
| environ. | neighbourhood noise General noise from a local source (such as the noise of a factory) which is disturbing to people living in the area | apkaimes troksnis |
| environ. | noise abatement Measures to reduce noise at the source, to encourage quieter technologies or equipment or to prevent or reduce the propagation of sound. Measures may include the isolation and damping of vibration sources; the replacement of components with quieter parts and material; the enclosure of particularly noisy components; the provision of noise barriers, etc. | trokšņa mazināšana |
| environ. | noise analysis Determination of the frequency components that make up a particular noise being studied | trokšņa analīze |
| environ. | noise barrier Barriers for reducing the propagation of sound: they are widely used in industry and alongside roads and railways to shield receivers from noise sources. Barriers will not reduce the noise on the receivers side, but will increase it, unless the barrier is also covered in absorbing material | trokšņa aizsargbarjera |
| transp., avia. | noise certificate | trokšņa līmeņa sertifikāts |
| environ. | noise control The process to control the audible sound to an acceptable level | trokšņa kontrole |
| environ. | noise disturbance Noise interferes with communication and interferes with thought processes. Noise interferes with sleep, it causes anger and frustration, and has been implicated as a contributor to various psychological and physiological problems. Noise detracts from the quality of life and the environment | trokšņa radītie traucējumi |
| environ. | noise effect | trokšņa ietekme |
| environ. | noise emission The release of noise into the environment from various sources that can be grouped in: transportation activities, industrial activities and daily normal activities | trokšņa emisija |
| environ. | noise emission levy A mandatory sum of money levied by government upon producers of disturbing, harmful or unwanted sounds, frequently in the transportation or construction industries, to encourage reduction of sound levels | aplikšana ar trokšņa emisiju nodokli |
| environ. | noise exposure plan A formulated or systematic method to prevent the effects of being subjected to loud or harsh sounds | plāns cīņai pret troksni |
| med., chem., tech. | noise figure | signāla un trokšņu attiecība |
| environ. | Noise Framework Directive | trokšņa pamatdirektīva |
| environ. | Noise Framework Directive | Eiropas Parlamenta un Padomes Direktīva 2002/49/EK par vides trokšņa novērtēšanu un pārvaldību |
| environ. | noise-free technology Sound is radiated both as air-borne and as structure-borne; most sources produce both, thus various noise attenuation principles must be employed. Measures include: the replacement of components with quieter parts and material; the enclosure of particularly noisy components; the selection of quieter types of fan; the replacement of noisy compressed-air nozzles with quieter types; the choice of quieter transmission and cooling systems | beztrokšņu tehnoloģija |
| environ. | noise immission Immission in the environment of acoustic vibrations that negatively affect human beings, animals, plants or other objects | trokšņa imisija |
| environ. | noise legislation Legislation introduced by many governments to prevent or restrict the emission of noise from industrial, commercial and domestic premises; from motor vehicles and aircraft; and from consumer appliances and equipment | likums par trokšņiem |
| environ. | noise level Physical quantity of unwanted sound measured, usually expressed in decibels | trokšņu līmenis |
| econ. | noise level | trokšņa līmenis |
| environ. | noise measurement The process of quantitatively determining one or more properties of acoustic noise | trokšņa mērīšana |
| environ. | noise monitoring The systematic deployment of monitoring equipment for the purpose of detecting or measuring quantitatively or qualitatively the presence, effect, or level of noise | trokšņa monitorings |
| environ. | noise pollutant Noise in the environment which can be harmful to human beings, animals and plants | trokšņa piesārņotājs |
| environ. | noise pollution | trokšņa piesārņojums |
| environ. | noise pollution Harmful or unwanted sounds in the environment, which in specific locals, can be measured and averaged over a period of time | trokšņa piesārņojums |
| econ. | noise pollution | trokšņa radītais piesārņojums |
| environ. | noise protection Adoption of measures for controlling noise pollution, such as restriction of the emission of noise from industrial, commercial and domestic premises, from motor vehicles and aircrafts, the provision of noise barriers and buffer zones, the fitting of sound attenuation equipment, etc. | aizsardzība pret troksni |
| econ. | noise protection | aizsardzība pret troksni |
| environ. | noise reduction The reduction in the sound pressure level of a noise, or the attenuation of unwanted sound by any means | trokšņa samazināšana |
| environ. | noise spectrum The range of frequencies occurring in the noise emitted by a source | trokšņa spektrs |
| environ. | noise type | trokšņa veids |
| comp., MS | noise word | nebūtisks vārds (A word such as "the" or "an" that is not useful for searches, or that a crawler should ignore when creating an index) |
| comp., MS | Perlin Noise | Perlina traucējumi (A technique developed by Ken Perlin which uses a texturing primitive (noise) in combination with mathematical expressions to render natural looking images and textures such as ice, wood grain and stone on computer generated surfaces in graphics and animations) |
| environ. | rolling noise Deeply resounding, reverberating noise caused by the friction between car tyres and road surfaces | ceļa troksnis |
| med., chem., tech. | signal/noise ratio | signāla un trokšņu attiecība |
| med., chem., tech. | signal-to-noise ratio | signāla un trokšņu attiecība |
| environ. | steady noise Unceasing prolonged noise, without interruption | nepārtraukts troksnis |
| environ. | structure-borne noise Sound that travels over at least part of its path by means of the vibration of a solid structure | struktūras troksnis |
| environ. | traffic noise Noise emitted by vehicles (heavy vehicles, cars and motorcycles, tyre/road interaction) | satiksmes radītais troksnis |
| environ. | traffic noise control Traffic noise can be controlled by reduction at source, by fitting motor vehicles with silencers, by installing barriers which interrupt the direct path of sound or by insulating dwellings exposed to high noise levels, such as those related to motorways or airports | satiksmes trokšņa kontrole |
| environ. | urban noise Noise emitted from various sources in an urban environment | pilsētas troksnis |
