Fitting Procedures

Dennis Van Vliet, AuD
Van Vliet looks at how the world is changing, noting that today we are busy trying to understand noise reduction options and how to program optimally as technology advances. What will we be doing in 25 years?
Marshall Chasin, AuD
Dr Chasin explains how the use of soft speech changes depending on the language being spoken, which affects hearing aid fittings for bilingual patients.
Figure 2
This study shows that, if the intended goal of a fitting is to provide the patient with the gain and output of a validated prescriptive method, such as the NAL-NL2, then the dispensing professional cannot rely on the manufacturer’s software version of this algorithm. Real-ear verification is necessary.
Van-Vliet photo
We typically don’t expect to see a parade of characters coming through our doors on any given day. But there are times when we end up with more that our share. Dr Van Vliet shows how good preparation, efficient and flexible systems, and a dose of humility help get us through those bad days.

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Figure 1. AutoREM guides the fitter through a step-by-step process to automatically match the REIG targets of the selected fitting rule.
A new automatic REM fitting feature was found to be a reliable and fast alternative REM with less variability compared to manual REM.
Figure 4. Rating of hearing device in looped situations compared to non-looped situations.
Telecoils and hearing loops deserve the attention of the hearing industry and hearing care professionals, as these simple devices dramatically increase multiple environmental listening utility (MELU). The findings of this study, presented by 9 experts in the field, clearly demonstrate hearing loop systems dramatically improve consumer experiences with their hearing aids or CIs for nearly all participants. Users reported looped venues significantly improved their speech intelligibility and the sound quality of their hearing device.
Catherine Palmer, PhD.
Educators and clinical instructors will gather at the University of Pittsburgh on June 11-13, 2015 for the 6th biennial CSD Teaching Conference which will focus on the art and science of teaching amplification.
August Hearing Review author Larry Revit responds to a recent letter to the editor from film composer Jeff Rona about how to provide a cost-effective means for configuring off-the-shelf audio equipment to provide hearing-impaired musicians with a high-fidelity listening environment.
Kuk_localization figure 2
An introduction to localization, factors that influence localization when wearing hearing aids, and what steps can be taken to improve localization ability for hearing aid users.
Figure 2a-b. 2A: 3DAA IEM earpiece in situ with built-in ambient microphone. 2B) Sensaphonics 3D-AARO in-ear-monitor (IEM) belt pack and earpieces, depicted with “microphone outputs” (new) and “monitor input” ports. Operating mode switch is set to “performance” position. Internal ambient gain switch (not shown) set to “off.” (Photos provided by Sensaphonics.)
Larry Revit, MA, a performing musician, sound engineer, and audiologist, reports on an audio system built around a unique wide-band, high-fidelity in-ear-monitor system that has binaural microphones imbedded in the earpieces.
International experts to discuss ways of reducing hearing loss risks of living in a noisy world - pic - man with hearing aid
Unilateral hearing loss is common, and without intervention it can lead to academic, speech-language, and social-emotional difficulties. But there is only limited literature about hearing aid fitting for these patients. Here is a brief review and some considerations when fitting patients with UHL.
Previous research and current movement in the endeavor to provide the most natural, binaural auditory experience for hearing instrument users is discussed, in addition to the technological developments that have made these advances possible.
Audiologist Gyl Kasewurm, AuD, says she is convinced independents can and will survive in the era of big box stores in the hearing healthcare market. Her opinion article in the July 2014 Hearing Review explains why.
Van Vliet
In the July 2014 Final Word column, Dennis Van Vliet looks at what best practices look like in the "best practices."
When combined with conventional assistive devices, such as hearing aids or cochlear implants, “audiogames” may be able to provide hearing impaired individuals with an improved ability to reconnect to the auditory world, says the researchers.

Data Watch

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In just over a decade, RIC/RITE hearing aids have taken over half the US hearing aid market. What implications does this hold, and will RICs continue on their unparallelled growth trajectory?
Figure 2. Simulated real ear output for standard conversational level speech presented from the Audioscan Verifit loudspeaker (Green), for a recorded speech passage presented to the microphone of the hearing aid (Pink) (ie, “Acoustic Telephone”), and for a recorded speech passage presented to the hearing aid telecoil (Blue).
Children who listened to a landline phone binaurally (using Phonak DuoPhone) experienced about a 20% improvement in live speech and quiet compared to the monaural condition. The results parallel results from previous studies on adults using a binaural telephone listening feature.
In Part 4 of this 5-part series, our roundtable takes on the topics of marketing and outreach to physicians, changing attitudes about hearing aids in younger patients, and a greater willingness to try new technology.
Figure 2. Color chart showing different skin colors.
A new treatment for BTE and RIC/RITE receiver tubing and wire covers is designed to dye the hearing aid plumbing for an even more invisible, personalized match to the individual’s skin color.
The Senate has approved HR 4302 which delays the ICD-10 implementation date to October 1 of next year, staving off the projected 24% cut to Medicare Part B payments and extending the therapy caps exceptions process through March 2015.