Oticon A/s

David Thorn Blix

Michael Syskind Pedersen

Povl Koch

Matias Tofteby Bach

Zuzana Jelcicová

Rasmus Jones

Jesper Bruun Jensen

Nels Hede Rohde

Asger Heidemann Andersen

Martin Bergmann

Lars Riemer

Christian Veng

Rene Poulsen

Søren Vørnle Nielsen

Mark Ruvald Pedersen

A method, at a hearing aid, including receiving a wireless signal including a succession of frames including a first frame including first encoded audio samples and determining a first codec, performing an error check based on the first frame, and in accordance with a determination that the first frame fails to pass the error check, performing a test.

Hearing aid and method of performing bit error concealment

A hearing device, e.g. a hearing aid or a headset, configured to be worn by a comprises an input unit for providing at least one electric input signal in a time-frequency representation; and a signal processor comprising a target signal estimator for providing an estimate of the target signal; a noise estimator for providing an estimate of the noise; and a gain estimator for providing respective gain values in dependence of said target signal estimate and said noise estimate. The gain estimator comprises a trained neural network, wherein the outputs of the neural network comprise real or complex valued gains, or separate real valued gains and real valued phases. The signal processor is configured&#x2014;at a given time instance t&#x2014;to calculate changes &#x394;x(i,t)=x(i,t)&#x2212;{circumflex over (x)}(i,t&#x2212;1), and &#x394;h(j,t&#x2212;1)=h(j,t&#x2212;1)&#x2212;&#x125;(j,t&#x2212;2) to an input vector x(t) and to the hidden state vector h(t&#x2212;1), respectively, from one time instance, t&#x2212;1, to the next, t, and where {circumflex over (x)}(i,t&#x2212;1) and &#x125;(j,t&#x2212;2) are estimated values of x(i,t&#x2212;1) and h(j,t&#x2212;2), respectively, where indices i, j refers to the iinput neuron and the jneuron of the hidden state, respectively, where 1&#x2264;i&#x2264;Nand&#x2264;j&#x2264;N, wherein Nand Nis the number of processing channels of the input vector x and the hidden state vector h, respectively, and wherein the signal processor is further configured to provide that the number of updated channels among said Nand said Nprocessing channels of the modified gated recurrent unit for said input vector x(t) and said hidden state vector h(t&#x2212;1), respectively, at said given time instance t is limited to a number of peak values N, and N, respectively, where Nis smaller than N, and N, is smaller than N.

Hearing device comprising a recurrent neural network and a method of processing an audio signal

A hearing aid system configured to compensate for a hearing impairment of a use comprises A) a wearable device adapted for being worn by the user and comprising a1) an input stage comprising at least one input transducer for converting sound around the user to at least one electric input signal representing said sound, and a2) an input stage for providing stimuli representative of a processed version of said least one electric input signal to said user, said stimuli being perceivable by said user as sound; and B) a non-wearable device comprising b1) a processor, and b2) a power supply interface for providing power to the processor. The wearable device and the non-wearable device comprise respective transceiver circuitry for establishing a low latency wireless audio communication link between them. The processor of the non-wearable device comprises an audio processor configured to process said at least one electric input signal, or a signal originating therefrom, to at least partially compensate for the hearing impairment of the user and to provide said processed version thereof. The power supply interface of the non-wearable device is electrically connected to an electricity network. Thereby an improved processing power of a hearing aid may be provided. The invention may e.g. be used in flexible hearing aid systems with a situation-dependent configurable processing power.

Hearing system comprising a hearing aid and a processing device

A hearing device, e.g. a hearing aid or a headset, configured to be worn by a user at or in an ear or to be fully or partially implanted in the head at an ear of the user comprises an input unit for providing at least one electric input signal in a time-frequency representation and a signal processor comprising a neural network configured to provide respective gain values G(k,t) in said time-frequency representation for reducing noise components in said at least one electric input signal. The neural network comprises at least one layer defined as a modified gated recurrent unit, termed Peak GRU, comprising memory in the form of a hidden state vector h, and wherein an output vector o is provided by said Peak GRU in dependence of an input vector x and said hidden state vector h, wherein an output o(j,t) of the Peak GRU at a given time step t is stored as said hidden state h(j,t) and used in the calculation of the output o(j,t+1) in the next time step t+1. The signal processor is configured to provide that the number of updated channels among Nprocessing channels of the Peak GRU for said input vector x(t) and said hidden state vector h(t&#x2212;1) at said given time instance t is limited to a number of peak values N, where Nis smaller than N. A method of operating a hearing device is further disclosed.

There is provided a system () comprising an audio streaming device () having an audio streaming device receiver () arranged for receiving a first audio signal () comprising a first audio content and a second audio signal () comprising a second audio content, the system furthermore comprising a memory device () arranged for storing a user defined setting (), a processor () arranged for providing an output audio signal (), said output audio signal comprising a combination of the first audio content, and the second audio content, wherein the output audio signal comprises a ratio of a level of the first audio content and a level of the second audio content, and the ratio is determined based on the user defined setting (), and wherein the system is further comprising a system transmitter () arranged for wirelessly transmitting the output audio signal ().

Providing and transmitting audio signal

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Smørum, Denmark

David Thorn Blix