Modern hearing aids: helping alleviate tinnitus. Tinnitus_product-range_1800x380px Hear what’s important without the stress. Signia hearing aids are tiny technological marvels. They not only amplify sounds and improve hearing, they also provide a range of solutions to alleviate the effects of tinnitus. While tinnitus is as varied as its causes, it can be grouped into tonal and non-tonal tinnitus. Tonal tinnitus is more common and describes the perception of a near-continuous sound or overlapping sounds with a well-defined frequency, e. g. whistling, ringing, buzzing. Non-tonal forms of tinnitus include humming, clicking, crackling and rumbling. Akshar speech and hearing clinic