Essential Role of Couplings between Hearing Nonlinearities.

ACOUSTICS2008/2029 Role of peripheral nonlinearities in across-frequency processing of envelope fluctuations in normal hearing and hearing impaired listeners

Assessment of hearing loss among taxi and agency drivers in a city in northern Iran in 2011

Background: Taxi drivers have the most important role in the public transport services. They are exposed to various harmful agents and occupational hazards. Noise is a harmful occupational factors and hearing loss is its most important effect. Protection of drivers against hearing loss is essential. This study was performed to determine the prevalence of hearing loss among taxi and agency drive...

Conformity of the real-ear aided response with the target response from the DSL v5 formula

Objectives: Real ear measurement plays a critical role in children’s hearing aid fitting. This study aimed to evaluate the conformity of measured and predicted real-ear aided response (REAR) of prescribed formula desired sensation level (DSL) v5 Pediatric in children aged 4 to 7 years. Since there is limited information about the effect of the degree of hearing loss (DOHL), ethnicity, gender, a...

Relationship between Sound Pressure Levels and the Risk of Hearing Loss using Personal Protective Equipment in Manufacturing Industries

Introduction: The sound pressure levels caused by work environment noise, along with the effects and ways of reducing it, are one of the most important issues in the manufacturing industry. Noise is the most common pollutant in the industrial environment, which can cause many disorders in various organs of the body, such as the auditory and vascular systems. This study aimed to investigate the ...

Modified mathematical model for variable fill fluid coupling

Variable fill fluid couplings are used in the speed control units. Also, variation in coupling oil volume is used in adapting one size of coupling to a wider range of power transmission applications. Available model for the partially filled fluid couplings, has a good performance for couplings with fixed amount of oil but their performance will be degraded if they are used for the variable fill...