New Developments in Hearing Protection

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New Developments in Hearing Protection

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Date:  Wednesday, March 23, 2005
Start Time:  8:00 p.m. (Eastern) / 5:00 p.m. (Pacific)
Length: 120 minutes
Cost:   Free to View
Course Presenter(s)  

Elliott H. Berger, M. S., INCE Bd. Cert.
Review Presenter(s) Biography



Additional Course Information  

With respect to hearing conservation, audiologists can measure, assess, document, cajole, and counsel, but when it comes to effective intervention, the primary tool, sometimes the only tool, is a hearing protection device (HPD). Therefore it behooves audiologists to become knowledgeable about the specification of HPDs, new technologies, and the use of such devices.

Participants in this live course will receive a refresher on hearing protection basics including testing, rating, computing protection, and the relevant standards (both the legally mandated 25-yr. old ANSI standard as well as the current underutilized 1997 ANSI standard). They will also learn of potential new EPA rulemaking that might change the face of hearing protector labeling in the coming years. In the second part of the course issues of communication, signal-to-noise ratio, and user problems will be discussed. New technologies in hearing protection that can potentially ameliorate these situations will be examined, including uniform attenuation, level-dependent attenuation, and active noise reduction.

Suggested prerequisites for attending this course are a basic knowledge of hearing conservation practices, noise measurement, and the OSHA Hearing Conservation Amendment. The eager student will have already read EARLogs 3, 20, and 21, and the articles entitled In search of meaningful measures of hearing protector effectiveness, and Active noise reduction (ANR) in hearing protection: does it make sense? all of which can be found at http://www.e-a-r.com/hearingconservation.

The interested student will be able to access a wealth of additional reference materials at www.e-a-r.com/hearingconservation

Among the many items on that cite the following in particular are suggested:

AIHA Noise Manual
www.e-a-r.com/hearingconservation/noisemanual.htm

The ardent hearing conservationist
www.e-a-r.com/pdf/hearingcons/ardenthearingconsv.pdf

Catalog of over 120 additional articles available from E•A•R
www.e-a-r.com/pdf/hearingcons/catbib.pdf

Comprehensive hearing protection bibliography of over 3000 articles
www.e-a-r.com/pdf/hearingcons/biblio.pdf

Educational pamphlet
www.e-a-r.com/pdf/hearingcons/lifeloud_reader.pdf

Audio demonstration of hearing loss and tinnitus
www.e-a-r.com/hearingconservation/audio_main.cfm

Course Objectives
  • As a result of this course, participants will be able to discuss how hearing protection device (HPD) attenuation is measured in the laboratory and in the real word, the meaning of the NRR, and specify appropriate use of such data to best select HPDs for target applications.

  • As a result of this course, participants will be able to discuss the newest ANSI standard that describes how to measure HPD attenuation and how it may improve the selection of HPDs and influence forthcoming changes in the EPA’s hearing protector labeling regulation.

  • As a result of this course, participants will be able to identify factors that affect one’s ability to communicate in noise, how HPDs interact with that process, and how uniform- and moderate attenuation HPDs may be helpful in specific applications.

  • As a result of this course, participants will be able to explain how active noise reduction (ANR) devices function and determine what, if any, benefits they may offer in industrial, military, and consumer applications.

Time-ordered Agenda  

7:00-7:05 p.m. Welcome and introductions
7:05-7:45 p.m. Measuring and rating hearing protector performance and the NRR
7:45-7:50 p.m. Regulatory activities
7:50-7:55 p.m. Open question session
7:55 -8:10 p.m. Communicating in noise
8:10-8:30 p.m. Uniform attenuation, overprotection, level dependency
8:30 - 8:50 p.m. Specialized types of hearing protectors including active noise reduction systems
8:50 - 9:00 p.m. Open question session and concluding remarks


Continuing Education Information

Offered: AAA/0.2, Intermediate; ASHA/0.2 Professional, Intermediate; CAA/2.0; CASLPA/2.0; IHS/2.0
Time will be allowed for interaction between the participants and the presenter.

Login and logout times will be recorded and documented.

Passing an online exam will be required to earn continuing education credit.

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Preview Exam

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Audiology Online is approved by the American Academy of Audiology to offer AAA CEUs for this activity. Refer to each activity for specific information about the CEUs offered. Academy approval of this continuing education activity does not imply endorsement of course content, specific products, or clinical procedures.


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This course is offered for 0.2 ASHA CEUs (Professional level, Intermediate Area)


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The Canadian Academy of Audiology (CAA) supports and assists its members in the attainment of continuing education towards an individual professional development plan as required by their Provincial Regulatory Colleges and Provincial Associations. Audiology Online is an approved provider of educational activities for CAA members. Each hour of activity may be counted as one Continuous Learning Activity Credit (or equivalent) as allowed by the applicable regulatory college or association.


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Certified members of the Canadian Association of Speech-Language Pathologists and Audiologists (CASLPA) can accumulate continuing education equivalents (CEEs) for their participation with Audiology Online. One hour of coursework equals 1 CEE. All CASLPA members are encouraged to participate in on-going education.


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This program is approved by the International Hearing Society and its educational committee, the International Institute for Hearing Instruments Studies. To learn more about earning IHS CE Credit, click here.


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