The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market.
In episode 96, Stefan Liebich of Elevear joins to discuss their audio algorithms for hearabl…
The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market.
In episode 96, Stefan Liebich of Elevear joins to discuss their audio algorithms for hearables that cover occlusion, idle noise, and immersive 3D audio. Developed over many years and now being commercialized with key silicon partners.
OCCLEAR® TECHNOLOGY
NATURAL OWN VOICE THROUGH OCCLUSION CANCELLATION
Existing headphones isolate the user from the environment, making their voice sound boomy and unnatural to them. This phenomenon is due to the occlusion effect, which attenuates air-conducted sound while amplifying body-conducted sound.
A headphone user who is unhappy with the unnatural sound of their own voice.
A headphone user who enjoys a natural own-voice sound thanks to the Occlear® technology.
Our Occlear® technology eliminates the occlusion effect, allowing hearables users to perceive their voice and environment with natural clarity. Occlear® requires no specialized hardware and can be integrated seamlessly into ANC-ready hearables via a simple firmware update.
IDLE NOISE REDUCTION TECHNOLOGY
WORLD-CLASS HISS-FREE TRANSPARENCY FOR YOUR HEARABLE
Hearables users often complain about microphone noise or hiss when using transparency mode. It stems from the low-cost, miniature microphones used in today’s hearables. To mitigate this noise, manufacturers often limit the bandwidth of their transparency mode, compromising the clarity of the sound.
Our patented Idle Noise Reduction (INR) technology reduces the noise floor of hearable microphones by 10–15 dB, matching the performance of high-end studio microphones. The INR removes the hiss, allowing hearables manufacturers to achieve world-class transparency with low-cost components.
IMMERSIVE 3D AUDIO TECHNOLOGY
INSTANT, UNALTERED 3D AUDIO WITHOUT LATENCY OR DISTORTION
Existing spatial audio solutions often struggle with head movement, resulting in a lag that d..
