As already indicated in the philosophy of the AX platform, we want our hearing aid processing to move towards augmented processing: by shaping all signals in the hearing aid wearer’s surroundings, thereby allowing the wearer to focus on the relevant ones. When exposed to wind noise, even when reduced in level, the random fluctuations in the noise will tend to dominate our perception, making the noise noticeable and annoying. According to Zwicker’s psychoacoustic annoyance model, the more fluctuating the noise is, the more annoying it will be perceived.
Taking on the above-described challenge, the upgraded eWindScreen now introduces a precise wind smoothing algorithm that reacts faster to the fluctuations in the wind noise. Thereby, the upgraded eWindScreen not only limits the gain for wind noise but also reduces the fluctuations at each ear. This smooths the wind noise signal in both ears, and as a result, the wind noise is not only softer but also not dominated by such fluctuations anymore. Perceptually this reduction in fluctuation strength keeps the wind noise in the background where it loses its capacity to draw the attention of the hearing aid wearer and thus becomes less annoying. This allows the wearer to better engage in outdoor communication or other outdoor activities.
Signia's strong focus on mastering the full acoustic scene, taking all sound sources into consideration, inspired the inclusion of own voice detection in the analysis of the entire sound scene. Through extended use of the own voice detection function of Signia’s unique Own Voice Processing 2.0, the application and focus of all the speech enhancement and noise attenuation algorithms can be adapted more precisely to the given communication situation.
Own Voice Processing 2.0 separates own voice from background noise and optimizes the processing of own voice without disturbing the processing of the background. However, in the improved AX Soundscape Processing, Own Voice Processing 2.0 is not only improving the wearer’s perception of own voice. It is now used as an additional sensor, contributing to the analysis of the entire sound scene. Knowing whether it is the wearer or someone else who is talking allows the right amount of support – from the advanced AX noise reduction and directionality systems – to be provided when the wearer engages actively in conversations in demanding sound environments. Thus, the own voice detection helps to provide the optimal processing of not only the wearer’s own voice but of the entire sound environment, including the voices that the wearer wants to attend to. As a result, the wearer will always experience a stable and optimal support, which allows them to engage in conversations in challenging sound environments.
A new, enhanced First Fit is available for our existing primax, Intuis 3, and Prompt product ranges. With the click of a button, a First Fit will now be calculated using 48 channels for all wearers – regardless of hearing aid performance level. A more accurate First Fit means easier fittings for hearing care professionals and more precise amplification for wearers. This upgrade applies to new and existing Primax, Intuis 3, and Prompt hearing aids.