Although hearing aids still consist of four main parts – processor, receiver, power circuitry and microphone – it is no secret that hearing aid technology has advanced significantly over the last few decades. Said microphone retrieves the sound you hear and travels to the processor which amplifies the signal and transmits it to the receiver and finally the ear canal.
This report, from Paul Harrison of hearingaid.org.uk, seeks to outline the latest developments in assistive hearing technology.