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    1. BioAid project


    AUD-1 was created by Dr. Nick Clark, a key member of the original academic research team that devised and refined the core BioAid algorithm. AUD-1 is the result of countless hours of independent work performed after the release of the original BioAid app, primarily motivated by the kind testimonials given by users of the original app. It has been redeveloped from the ground up to include the features most commonly requested by users of BioAid in the hope that it will provide real benefit. AUD-1 is a step towards unleashing the full potential of mobile hearing algorithm technology.

    AUD-1 is not a replacement for dedicated hearing aids and does not contain all of the signal processing components that make up a modern digital hearing aid. If the software helps you to hear your environment more clearly, then great. If you do not currently use hearing aids, then hopefully this software will motivate you to see a healthcare professional. If you are having trouble hearing, and the software does not help in any meaningful way, then hopefully this software will also motivate you to see a healthcare professional. Caution is recommended with all medical conditions. You might think that you have a simple and common type of hearing loss but you might be wrong. Many conditions can only be diagnosed by a professional. If you have access to and can afford healthcare, it is always worth have your hearing checked by a professional. Assistive listening software built on the iOS platform can only provide a limited output level, and will be of little or no use to those with more severe hearing impairments. AUD-1 has an output gain control in addition to the master volume, allowing users to push the maximum output level to the limits of the device, but this still may not be enough for all users.

    Be wary of other apps available that label themselves as “hearing aid” or “assistive listening” software. Almost all of these are basic linear amplifiers, or simple multi-band equalizers. Some contain basic basic processing to prevent clipping, but this is about the limit of their sophistication. These apps are almost universally designed and developed by people who have little knowledge of the function of the auditory system, and little knowledge about the gain stages used in modern assistive listening technology.

    Many hearing aid users contacted us in response to the original BioAid aid app noting that they found the app more useful then their dedicated devices in certain situations. AUD-1 provides additional flexibility to maximize its utility in these situations. Please explore and let me know how you get on using the email link below.

    Please note that AUD-1 should not be described as a new version of BioAid. BioAid is the name of a biologically inspired gain model. The original BioAid app was a particular implementation of this algorithm. AUD-1 is a much more flexible framework that currently runs an optimized version of the BioAid algorithm. There are plans to allow the user to switch between various algorithm designs, potentially making AUD-1 a useful research tool for field comparisons. Switching algorithms is not like changing the processing strategy on a hearing aid, but rather more like switching the physical hardware.

    Please feel free to contact Nick with any feedback or questions using one of these methods.