What is digital hearing aid technology.


“Digital” simply refers to how incoming sounds are processed by electronic circuits. This is done using complex mathematical equations called algorithms that code and decode frequencies.  Soft sounds are processed and delivered to the wearer differently from moderate and loud sounds and sounds of different frequencies are treated differently according to your requirements. This sound processing strategy is called compression and all world-leading manufacturers spend millions upon millions of dollars every year basing their whole technologies on the premise of compression. The accuracy and flexibility of this processing translates into tangible improvements in speech and music clarity, whilst controlling unwanted and loud sounds.

Coming in a variety of styles, the right style for you will be a balance between your hearing needs, cosmetic preferences and your ability to manage small components like batteries. 

Quality technologies are not one-size-fits-all. All manufacturers set their devices to factory defaults before they pass through quality control checking and are shipped to your Audiologist. Only an university qualified Audiologist has the specialised training to understand the complex interplay between how sound is processed in the brain and how to design technology to complement this process.

Consider this scenario: Paul grew up in a family of four siblings, a noisy household where there was always activity and commotion. His wife, Jenna, is one of two siblings and her older sister is 12 years older, she virtually grew up as an only child, therefore, lived in a much quieter household compared to Paul. If they now have the same hearing loss and are fitted with the same hearing technology, the programming would alter significantly because a professional fitting measures and implements the way in which each of their ear canals transforms and has an impact on the natural tuning of all sounds and, importantly, is acoustically designed for their own personal listening preferences. Often in this scenario, we find that Paul has a higher tolerance and preference for ambient noise and a ‘larger, fuller’ sound compared to Jenna who likes a more subtle, softer sound.

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