Demant has patented a hearing device with a wireless receiver for capturing sound and a processor that predicts future values of the input signal. The device can mix wireless and acoustically received signals for improved sound quality. This innovation benefits users of hearing aids in various environments. GlobalData’s report on Demant gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Demant, was a key innovation area identified from patents. Demant's grant share as of April 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.

Hearing device with wireless receiver and signal predictor

Source: United States Patent and Trademark Office (USPTO). Credit: Demant A/S

A recently granted patent (Publication Number: US11968500B2) discloses a hearing device that includes an input transducer converting sound to electric signals, a wireless receiver for audio signals, and a processor predicting future values of the wireless input signal based on past values. The processed signal is then used to provide sound stimuli to the user through an output transducer. The processor also includes a delay estimator to estimate the time-difference-of-arrival of sound from a specific source in the environment. Additionally, the device can transmit data wirelessly to other devices and includes a selection controller to enhance sound quality based on predicted signals.

Furthermore, the hearing device features transform units for signal processing in the frequency domain, a beamformer for beamforming signals, and the application of spatial cues to predicted signals before user presentation. The device can activate the signal predictor based on a minimum time-difference-of-arrival value and is adaptable for various applications such as hearing instruments, headsets, earphones, or ear protection devices. The patent also describes a system with an earpiece and an audio processing device, where the earpiece transmits signals to the processing device wirelessly, and the final processed signal is determined based on predicted signals. The signal predictor compensates for processing delays, ensuring efficient signal transmission and processing within the device or system.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.