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The impact of workload on the ability to localize audible alarms
Very little is known about people's ability to localize sound under varying workload conditions, though it would be expected that increasing workload should degrade performance. A set of eight auditory clinical alarms already known to have relatively high localizability (the ease with which their location is identified) when tested alone were tested in six conditions where workload was varied. Participants were required to indicate the location of a series of alarms emanating at random from one of eight speaker locations. Additionally, they were asked to read, carry out mental arithmetic tasks...
Questionnaire GABO (gêne acoustique dans les bureaux ouverts)
Le questionnaire GABO (Gêne Acoustique dans les Bureaux Ouverts) permet de recueillir le ressenti des salariés vis-à-vis du bruit dans les open-spaces (type de sources sonores gênantes, type de tâche perturbée, échelle de sensibilité au bruit, perception de leur santé, etc.). Il est accompagné d'une grille Excel destinée à faciliter l'analyse et la synthèse des réponses. Source:
Use of moulded hearing protectors by child care workers
An interventional pilot study Background: Employees of a multi-site institution for children and adolescents started to wear moulded hearing protectors (MHPs) during working hours, as they were suffering from a high level of noise exposure. It was agreed with the institutional physician and the German Institution for Statutory Accident Insurance and Prevention in the Health and Welfare Services (BGW) that this presented an opportunity to perform a scientific study to investigate potential beneficial effects on risk of burnout and subjective noise exposure at work when child care workers wear MHPs...
Noise peaks influence communication in the operating room
An observational study Noise peaks are powerful distractors. This study focuses on the impact of noise peaks on surgical teams' communication during 109 long abdominal surgeries. We related measured noise peaks during 5-min intervals to the amount of observed communication during the same interval. Results show that noise peaks are associated with less case-relevant communication; this effect is moderated by the level of surgical experience; case-relevant communications decrease under high noise peak conditions among junior, but not among senior surgeons. However, case-irrelevant communication...
NIOSH Offers New Guidance to Help Musicians Protect their Hearing
The National Institute for Occupational Safety and Health published new guidance to help musicians and those who work in the music industry protect their hearing. Professional musicians such as orchestra, band members, music teachers, as well as others in the music industry such as disc jockeys, audio engineers, and crew members are all at risk for developing permanent hearing loss, ringing in the ears, and other hearing disorders from prolonged exposure to loud music. Exposures to noise exceeding 85 decibels over 8 hours (dBA) are considered hazardous, and if the noise reaches 100 dBA, it could...
Reducing the Risk of Hearing Disorders among Musicians
Musicians and others involved in the music industry are at risk of developing permanent hearing loss, tinnitus (ringing in the ears), and other hearing disorders from exposure to loud sounds. The National Institute for Occupational Safety and Health (NIOSH) examines the risks associated with music exposure and provides recommendations to protect their hearing. Source:
A cross-sectional study of hearing thresholds among 4627 Norwegian train and track maintenance workers
OBJECTIVE: Railway workers performing maintenance work of trains and tracks could be at risk of developing noise-induced hearing loss, since they are exposed to noise levels of 75-90 dB(A) with peak exposures of 130-140 dB(C). The objective was to make a risk assessment by comparing the hearing thresholds among train and track maintenance workers with a reference group not exposed to noise and reference values from the ISO 1999. DESIGN: Cross-sectional. SETTING: A major Norwegian railway company. PARTICIPANTS: 1897 and 2730 male train and track maintenance workers, respectively, all exposed to...
Promoting Hearing Health among Fire Fighters
Exposure to high noise levels among fire fighters is well documented and increases the risk for noise-induced hearing loss. NIOSH recommends measures to promote better hearing health through the use of quieter equipment, better work practices, hearing protection devices, and implementation of effective hearing loss prevention programs. Source :
Study on the impact of exposure to noise in professional snipers
Facing an increasing violence level and higher firepower in the hands of criminal organizations (especially those related to drug trafficking), the Military Police of Pernambuco has created, in 1989, the “1a Companhia Independente de Operações Especiais” (1st Independent Company of Special Operations), as a tactical last resort of the Police to be used on special, complex situations. The CIOE progressively makes use of Negotiation measures, of less-than-lethal maneuvers, of Precision Shots and Tactical Assaults. When all possibilities are drained, the Precision Shot will...
Improvements in education, technical support, and regulatory enforcement reduce barriers to implementation of engineered noise control
The most effective intervention—engineered noise controls (ENC) —is rarely implemented; a qualitative study was designed to investigate barriers to the implementation of ENC. Many factors emerged as possible barriers to the implementation of engineered noise control, including: poor knowledge of relevant regulations, noise reduction options and the health impacts of noise; weak technical skills and experience; low ranking of noise as a hazard by stakeholders; issues around job insecurity, weak language skills; lack of ‘quiet’ machine options and information from equipment...
New comprehensive OSHA Web page on preventing work-related hearing loss contains a wealth of information to help businesses and workers
OSHA launched a new Safety and Health Topics page on Occupational Noise Exposure to provide resources to prevent noise-related hearing loss, which has been listed as one of the most prevalent occupational health concerns in the United States for more than 25 years. Approximately 30 million people in the United States are occupationally exposed to hazardous noise and thousands of workers every year suffer from preventable hearing loss due to high workplace noise levels. The new Web page provides information on the health effects of hazardous noise exposure and comprehensive information on controls...
Nouvelle programmation de recherche triennale 2012-2014 pour le champ bruit et vibrations.
Les chercheurs de l'IRSST diffusent un document de travail aux partenaires de recherche du champ bruit et vibrations. Ce document propose un plan triennal faisant état des axes de recherche et des programmations thématiques envisagés pour la période 2012-2014. Le point de vue des partenaires est très important dans ce contexte car il permet de faciliter l'ancrage des futures demandes de subvention éventuelles à l'IRSST dans la prochaine programmation triennale. Votre point de vue nous importe, aussi n'hésitez pas à nous...
A Multidisciplinary Study of Factors Influencing Hazard Reduction Strategies, Using Noise Exposure and Hearing Loss as a Model
Noise exposure is a serious problem in many B.C. workplaces. Although workplaces have hearing conservation programs in place as required by law, these programs often fail to include engineered noise controls (ENCs) to the extent they could. ENCs reduce the noise exposure of workers by stopping noise at the source, and are an effective way to prevent occupational-related hearing loss. This study explored barriers to the use of ENCs, through interviews with staff and audits of hearing conservation programs at eight BC workplaces in the food and beverage manufacturing sector. Source : http://www.worksafebc...
The Noise of Music
This Guidance is intended to provide practical guidelines to help workers and employers in the music and entertainment sectors to protect their hearing and meet their legal obligations.

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