http://www.hearingreview.com/2017/01/signia-reports-hearing-aids-first-add-notch-therapy-tonal-tinnitus

Signia have announced a breakthrough in the treatment of tinnitus with what is known as “Notch Therapy”. Heidi Allan, our senior audiologist, has returned from Budapest where the international launch and training was held. We at Reconnect, are now able to bring this latest advancement in medical science to our patients experiencing tinnitus in KZN.

https://www.signia-hearing.co.za/tinnitus