Cearvol is pushing OTC hearing tech toward consumer wearables that people don’t feel compelled to hide, treating acoustics, industrial design, and daily ergonomics as one combined product problem. In this interview the focus is on form factors that borrow from eyewear and true-wireless audio, while keeping core hearing-aid requirements like gain, feedback control, and scene switching easy to access. https://cearvol.com/
The Lyra concept merges hearing enhancement into glasses, with the main electronics embedded in the temples and microphones positioned toward the front of the frame to bias pickup toward the wearer’s field of view. The demo also touches on modularity: swap frames, use prescription lenses or sunglasses, and add a deeper in-canal receiver option for people who need higher amplification, while using the physical fit to help stability on the face.
For in-ear devices, Wave and Wave Lite show a different usability angle: moving controls off the tiny ear-worn unit and onto the charging case, including mode selection for contexts like conversation, restaurant, indoor, and outdoor. This was filmed at CES Las Vegas 2026, and it’s a good snapshot of how UI decisions (touchscreen case vs. app-first) are becoming as important as DSP choices in mainstream hearing products.
On the signal-processing side, Cearvol positions its NeuroFlow AI 2.0 stack as a deep neural network that classifies acoustic scenes in real time, then applies speech enhancement, adaptive noise reduction, and features like feedback cancellation and own-voice management. Product pages for Diamond X1 and Wave Lite also highlight Bluetooth streaming (including Bluetooth 5.3 on Diamond X1), fast-charge behavior (15 minutes for about 3 hours of use), and AUX-IN options on Wave-class devices for wired sources like airplane IFE audio.
The lineup shown spans multiple fit-and-feature tiers: Diamond X1 targets mild to moderately severe loss with app tuning, up to 30 dB gain, and roughly 36 hours total with its case; Wave Lite lists up to 40 dB gain plus Bluetooth + AUX-IN; and Lyra is the “hearing glasses” direction with room to add future ideas like on-lens captions. The bigger story is a shift from “medical device UI” to wearable interaction design that still respects audiology basics like gain structure, occlusion tradeoffs, and day-long comfort for wear.
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