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Welcome to AudiologyOnline eLearning! Get started by clicking the Register Now button to register for the course. Log-in to your account for faster checkout and personalized service.
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 Cost: Free to View
Published: 5/17/2007
Each patient has a unique “identity” given variation in lifestyle, experience (both auditory and non-auditory), communication need and etiology of hearing loss. This presentation will focus on matching patients with appropriate amplification characteristics and prescriptions.
   This is a Recorded Course which requires either a Windows-based computer or a Mac with speakers/headphones to view. More information available in the FAQs/Help section.
Additional Course Information
With today’s hearing aid technology, the question has shifted from “What can we do?” to “What should we do?” with regard to advanced signal processing. Ideally, the chosen amplification parameters will first and foremost cause no harm with regard to speech intelligibility and sound quality. In addition, the patient should be afforded the opportunity to maximize use of their residual auditory capabilities.
To date, no specific signal processing scheme has been shown to provide superior performance for the majority of patients with sensorineural hearing loss. For example, research involving variation of compression parameters generally shows no significant group differences, while significant variation at the subject level is common. These findings support the need for a patient specific approach in the derivation of appropriate amplification characteristics.
Each patient has a unique “identity” given variation in lifestyle, experience (both auditory and non-auditory), and communication need. In addition, there exist differences in the nature, degree, and location of auditory damage among patients. Cognitive and or central factors can overlay peripheral damage and certain pathologies (e.g., Meneire’s Disease) may require a unique approach.
Results from recent studies suggest that certain characteristics are associated with the need for specific signal processing schemes. Age, cognition, lifestyle, degree of loss, and previous experience can interact and impact what compression and expansion parameters are appropriate, how aggressive noise reduction should be set, and how fast changes should take place. An older patient with moderate-severe hearing loss, experience with linear amplification, and a quiet lifestyle will likely have different signal processing needs than a younger patient with mild loss, no hearing aid experience, and a lifestyle with high listening demands.
Patient characteristics and needs can also impact the selection of the initial frequency response. While most independent and manufacturer-specific prescriptive strategies share similar underlying goals, there can be significant variation in the prescriptions derived. For example, the relative importance placed on audibility versus sound quality, intelligibility versus loudness, and incorporation of rules for dealing with severe high frequency loss can differentiate strategies. The interaction among patient, prescriptive strategy, and amplification characteristics can be complex and at times unpredictable.
Data from recent studies, conducted both externally and in-house by Oticon, will be reviewed. Several case studies will be discussed. The presentation will focus on matching the patient with the appropriate technology/signal processing scheme. This approach may help minimize the potential for fitting problems during the trial.
Length: 60 minutes
Cost: Free to View
Course Objectives
- Participants will be able to list several patient characteristics that may impact the choice of an appropriate signal processing scheme.
- Participants will be able to describe an ideal signal processing scheme for the patient given a set of characteristics and listening needs.
- Participants will be able to identify and describe several parameters on which prescriptive strategies may differ.
Course Instructor(s)
George Lindley, Ph.D., Au.D.
Review Presenter(s) Biography
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Continuing Education Information
Offered: AAA/0.1 Intermediate; BAA/1.0; CAA/1.0; Calif. HADB/1.0, Hearing Aid Related; IHS/1.0; Kansas DHE, LTS-S0035/1.0
Passing an online exam will be required to earn continuing education credit.
After viewing this free course, join CEU Total Access to earn continuing education credit.
Preview Exam
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.
This course has been accredited with 1.0 CPD point/s by the British Academy of Audiology.
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.
This course is approved by the California Hearing Aid Dispensers Bureau for Continuing Education.
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.
Kansas Department of Health and Environment: Approved for 1.0 continuing education clock hours for Kansas licensed Audiologists by the Kansas Department of Health and Environment. Long-Term Sponsorship number LTS-S0035.
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Cost: Free to View
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