This study aims initially to evaluate the quality of different soundscapes in public space city Biskra, Algeria. A total 35 participants took part a laboratory experiment, where 28 sound clips one-minute duration taken from spaces were used as stimuli. The A-weighted equivalent continuous pressure level (LAeq,1min) was calculated. rated soundscape using attribute scales provided their own nativ...

In accordance with the EU energy policy, wind turbines are becoming increasingly widespread throughout Europe, and this trend is expected to continue globally. More people will consequently live close to wind turbines in the future, and hence may be exposed to wind farm noise. Of particular concern is the potential for nocturnal noise to contribute towards sleep disturbance of nearby residents....

The sound produced by a dental air turbine handpiece (dental drill) can markedly influence the sound environment in a dental clinic. Indeed, many patients report that the sound of a dental drill elicits an unpleasant feeling. Although several manufacturers have attempted to reduce the sound pressure levels produced by dental drills during idling based on ISO 14457, the sound emitted by such dri...

Risk for insomnia by nighttime road traffic noise invading into dwellings was investigated for 19 pairs of case and control women in 2 areas with major road passing in Tokyo. A good correlation was observed between simultaneously measured indoor and outdoor sound levels in LAeq (1 min) during sleeping time (n=14645: 7,241 for cases and 7,404 for controls: r=0.863; p<0.001), whose difference was...

To protect people against sleep disturbances and to enhance general quality of life, the World Health Organization (Berglund et al. 2000) recommend a maximum sound level of 30 dB (LAeq, 22-06) indoor for continuous background noise with individual noise events not exceeding 45 dB(A). Those recommendations have been adopted and implemented in the Brussels Capital area with a noise management pla...

The observed difference in perceived annoyance caused by train and highway noise at the same averaged noise level, has led to the introduction of the ‘railway bonus’. This bonus has found its way to the noise legislation in many countries, leading to more relaxed restrictions on time averaged noise levels, LAeq. With the introduction of high-speed trains and train-like transportation systems ba...

The article presents the results of soundscape assessments conducted in urban parks Silesian Voivodeship. Voivodeship is characterised by a high degree industrialisation and greatest population density Poland. studies were all cities voivodeship with populations over 100,000 citizens. This selection was determined based on acoustic maps that are prepared for citizens as required law, fact role ...

OBJECTIVES There is concern that sound via earphones and headphones attached to headsets used in workplaces may be a risk factor for noise-induced hearing loss (NIHL). Although there are some previous studies investigating exposure to noise from headphones, almost none have assessed the risks to workers who use earphones. We assessed exposure to noise among workers who regularly wear earphones ...