noise levels
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NOISE LEVELS IN DISCOTHEQUES AN ESTIMATION OF THE RISK OF HEARING IMPAIRMENT
... of noise induced hearing loss rises ...interviews, noise levels were recorded at ...measured noise levels, an estimation for the potential risks of “noise-induced permanent ...
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NOISE LEVELS IN URBAN CANYONS AND PERMITTED OFFICE BACKGROUND LEVELS: THE POTENTIAL FOR NATURAL VENTILATION
... without noise. Outside urban areas the noise levels are expected to be ...city levels of noise would create major complaints (and ...background levels in offices in urban areas ...
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ABSTRACT: Reducing sound pressure levels (SPL) from a noise source for improved acoustical quality in
... pressure levels (SPL) from a noise source for improved acoustical quality in terms of speech intelligibility is the principal goal in multi-functional ...in noise is ‘STI in noise’, which is a ...
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Noise Mapping and Noise Quota Application to an Industrial Park
... the noise levels which can be emitted by the ...careful noise planning is not implemented, noise limits may be reached far before all areas of the park are built up, making it difficult for ...
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The Economic Value of Noise Within the European Union - A Review and Analysis of Studies
... in noise levels (typically a 50% reduction) without checking whether people understand what this reduction in noise would mean to them ...the noise reduction in terms that can be better ...
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AN EXPERIMENTAL INTERCOMPARISON OF UNDERWATER NOISE EMISSIONS FROM RESEARCH VESSELS
... of noise registered by echosounders working in passive mode versus R/V speed of MEDIAS 2015-2017 surveys are showed in Figure ...higher noise levels than the others and noise power increases ...
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ON-SITE MEASUREMENTS VERSUS ANALYTICAL APPROACH IN THE ELABORATION OF NOISE MAPS AND ASSESSMENT OF THE CRITICAL FACTORS
... The analysis of this situation allowed concluding that these major differences were due to a discrepancy between the traffic counting introduced in the program and the effective number of vehicles passing in the roads at ...
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Tourist Influence on Nightlife Noise
... The aim of this paper is to relate the seasonal population growth during high season with the growth of noise levels in different tourist places, more specifically to relate it with the increase of ...
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RESULTS FROM IMPLEMENTATION OF THE NEW PORTUGUESE ENVIRONMENTAL NOISE REGULATION
... environmental noise (Bruel&Kjaer, ...Future Noise Policy, estimates that: (1) in terms of the number of people affected by noise, approximately 20% of the population are exposed to unacceptable ...
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NOISE POLLUTION GENERATED BY RING ROADS
... reaches levels between 1600-2000 vehicles/hour (average of measurements in different sections), during the 12pm-6am period traffic density decreases to the 100-150 vehicles/hour ...
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THE EFFECTS OF CLASSROOM NOISE ON CHILDREN’S ACADEMIC ATTAINMENTS
... background noise levels during only Activities 3 (children sitting at tables working individually, with some talking) and 5 (children working in groups, sitting at tables, with some talking) were related to ...
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TRAINING AN ANOMALOUS NOISE EVENT DETECTION ALGORITHM FOR DYNAMIC ROAD TRAFFIC NOISE MAPPING: ENVIRONMENTAL NOISE RECORDING CAMPAIGN
... To validate the proposed approach, during the LIFE+ DYNAMAP project two demonstrative pilot systems will be implemented and tested for at least one year in the cities of Milan and Rome. The first one will be located ...
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Environmental Noise Directive in Germany
... by noise. Recent noise mapping results show that more than ...night-time noise levels above 55 decibels dB(A) in agglomerations, along main roads and around major ...by noise ...
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THE ROLE OF INTERAURAL TIME AND LEVEL DIFFERENCES WHEN LOCALIZING NOISE IN NOISE
... The outcome of the psychoacoustical experiment indicates that the influence of the ITD cues increases when the target is partly masked. This is in good agreement with assumptions that were derived during the model ...
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ULTRASONIC NOISE FROM ULTRASONIC DRILLS
... ultrasonic noise is defined as the broadband noise containing high audible and low ultrasonic frequencies include the 1/3 octave band with the central frequency from 10 kHz to 40 ...for noise ...
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USING STATED PREFERENCE TO VALUE NOISE FROM AIRCRAFT IN THREE EUROPEAN COUNTRIES
... ABSTRACT: This paper reports results from three novel Stated Preference exercises conducted at Manchester, Lyon and Bucharest Airports. It finds that masking the purpose of the exercise produces lower values of aircraft ...
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levels of organization
... Living matter is very complex. This is one of the characteristics which most differenciates it from inert or inanimate matter. We can discover several levels of complexity which are known as Levels of ...
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AmplificadorOperacionalLowPowerAndLowNoise
... thermal noise equal to kT/C where k is Boltzmann’s constant, T is absolute temperature and C are capacitors charged by the switches (parasitics in the case of the chopper-stabilized ...
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Estudos em Ruído Aeroportuário do Grupo de Acústica Ambiental da Universidade Federal do Rio de Janeiro
... (integrated Noise Model), HNM (Heliport Noise Model) e NMPLOT foram desenvolvidas para os 65 maiores aeroportos brasileiros administrados pela Infraero, considerando a situação atual e previsões futuras de ...
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Self-Adaptive Grids for Noise Mapping
... Note that the goal of this algorithm is to concentrate the computational effort near the noise isolines. But, it is not strictly necessary to make an uncertainty calculation. Skipping a buffer area near the ...
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