Signia AX Enhanced New Features now available Signia's latest version of AX hearing aids now includes two new and improved features to improve your hearing. Upgraded eWindScreen Improved AX Soundscape Processing Upgraded eWindScreen reacts even faster to accurately reduce wind noise fluctuations at each ear. Wind noise is not only softer, but also more stable. Improved AX Soundscape Processing uses Own Voice Detection to analyse the entire acoustic scene to deliver more ac …