![]() During their at-home trial, both groups were able to randomly report, using a real time assessment feature on the hearing aid, their satisfaction with sound quality during various types of listening situations. In contrast, the “self-fit” group left the clinic for the 30-day at-home trial with a starting point of 0 dB insertion gain (REIG) and the ability to self-adjust two sliders on the smartphone-like interface that were tied to compression, gain and frequency response parameters of the hearing aid. The “audiologist selected” group left the clinic for a 30-day at-home trial with gain set to closely match their prescriptive target and the ability to adjust gain-only (+/- 8 dB) using the smartphone-like interface. One group wore hearing aids with acoustic parameters, selected by an audiologist following conventional best practice prescriptive fitting methods and the ability to adjust gain-only in the device, while the second group wore a device allowing them to directly self-adjust many of the hearing aid’s acoustic parameters using a smartphone-like interface.Īfter the entire group of 75 participants were initially first fit using conventional prescriptive methods and allowed to wear the prototype hearing aid for about one week as a practice session, they returned to the clinic for some fine-tuning, and then split into the two groups. In their study, conducted at Northwestern University’s hearing aid clinic, a group of 75 adult patients with mild-to-moderate hearing loss were split into two groups. In a paper published January 31st at the open access journal, Trends in Hearing, researchers demonstrated adults with mild-to-moderate hearing loss could select hearing aid parameters similar to those derived from a vetted prescriptive approach, such as NAL-NL2. Now, that process, which requires, at a minimum, clinicians enter a patient’s hearing thresholds into computer-based fitting software is being challenged. However, does the audiogram need to be part of the equation when it comes to the first-fit starting point? That notion is being called into question by scientists involved in the creation of self-fitting hearing aids.Īlthough most clinicians don’t complete all the steps outlined in many best practice protocols, they have relied on the prescriptive method to fit hearing aids for more than 30 years. Specifications may vary by country.All clinicians can agree that comfortable, natural sound from hearing aids is a reasonable first-fit starting point for anyone wearing them. *Please note: P roduct is not available for purchase in North, Central or South America. Easily expandable to future developments.Display and store your results in one second.Small, fast, flexible and highly mobile.Operate at your convenience with your mouse or keyboard.Intuitive handling of the clearly presented user interface.SISI, Stenger and automatic Hughson-Westlake tests available.Whether you are an ENT doctor, general practitioner, audiologist, pediatrician or work in occupational health, the various test methods make the MA 33 the ideal device for you. The software offers various fast and reliable audiometry methods. The operation via USB connection to your PC or notebook is very easy and the MA 33 allows numerous possibilities to highly adopt the settings to your personal preferences and needs. The MA 33 is our small, fast and flexible PC audiometer for every occasion. MA 33 Our Small and Fast PC-Controlled Audiometer
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