Patent application number | Description | Published |
20080212810 | Binaural Hearing Aid System with Coordinated Sound Processing - The present invention relates to a binaural hearing aid system comprising a first hearing aid and a second hearing aid, each of which comprises a microphone and an A/D converter for provision of a digital input signal in response to sound signals received at the respective microphone in a sound environment, a processor that is adapted to process the digital input signals in accordance with a predetermined signal processing algorithm to generate a processed output signal, and a D/A converter and an output transducer for conversion of the respective processed sound signal to an acoustic output signal, and a binaural sound environment detector for binaural determination of the sound environment surrounding a user of the binaural hearing aid system based on at least one signal from the first hearing aid and at least one signal from the second hearing aid for provision of outputs for each of the first and second hearing aids for selection of the signal processing algorithm of each of the respective hearing aid processors so that the hearing aids of the binaural hearing aid system perform coordinated sound processing. | 09-04-2008 |
20080212816 | Hearing aid with feedback cancellation - A hearing aid includes a hearing aid housing enclosing a microphone for converting sound into an audio signal, first feedback compensation means for providing a first feedback compensation signal of signals picked up by the microphone by modelling an internal mechanical feedback signal path of the hearing aid, second feedback compensation means for providing a second feedback compensation signal by modelling an external feedback signal path of the hearing aid, subtracting means for subtracting the first and second feedback compensation signals from the audio signal to form a compensated audio signal, processing means, connected to an output of the subtracting means, for processing the compensated audio signal, and a receiver, connected to an output of the processing means, for converting the processed compensated audio signal into a sound signal. | 09-04-2008 |
20100157790 | ERROR CORRECTION SCHEME IN A HEARING SYSTEM WIRELESS NETWORK - A method of wireless data communication between a hearing instrument and another device, includes receiving N data packages A | 06-24-2010 |
20100158292 | WIRELESS NETWORK PROTOCOL FOR A HEARING SYSTEM - A hearing system includes a first hearing instrument having a first receiver for wireless data communication with a device in a wireless network, and a first communication controller that is configured for controlling the wireless data communication in accordance with a protocol of the wireless network according to which, a transmitter of the device is controlled to transmit wireless data in a specific time slot in a frame of time slots, and the first receiver of the first hearing instrument is repeatedly enabled to receive data for an activated time period and disabled from receiving data for a de-activated time period, wherein the first communication controller is further configured for synchronising the first hearing instrument to the device in the wireless network by adjusting a sum of the activated time period and the de-activated time period to be different from a duration of the frame so that the specific time slot for the transmission of data by the transmitter and the activated time period will overlap at one time. | 06-24-2010 |
20110255722 | HEARING INSTRUMENT CONFIGURED FOR WIRELESS COMMUNICATION IN BURSTS AND A METHOD OF SUPPLYING POWER TO SUCH - A hearing instrument configured to receive power from an energy source, the energy having an output voltage, the hearing instrument includes an analog-to-digital converter for conversion of an input audio signal to a digital input signal, a digital signal processor for processing the digital input signal into a processed signal, an audio amplifier for amplifying the processed signal, a communication unit for wireless data communication between the hearing instrument and another device, and a stabilizing circuit having an energy storing element and a rectifying element, wherein the energy storing element is configured to supply power to one or more of the analog-to-digital converter, the digital signal processor, and the audio amplifier, and the rectifying element is configured to prevent the energy storing element from supplying power to the communication unit. | 10-20-2011 |
20120311409 | ERROR CORRECTION SCHEME IN A HEARING SYSTEM WIRELESS NETWORK - A method of wireless data communication between a hearing instrument and another device, includes receiving N data packages A | 12-06-2012 |
20130156239 | HEARING AID WITH IMPROVED MAGNETIC RECEPTION DURING WIRELESS COMMUNICATION - A hearing aid includes a magnetically sensitive transducer for conversion of a varying magnetic field into an audio signal, a processor configured to generate a hearing loss compensated output signal based on the audio signal, an output transducer for providing an auditory output signal based on the hearing loss compensated output signal, an RF transceiver for wireless communication, and a communication controller that is configured to turn the RF transceiver on and off, wherein the processor is further configured to generate the hearing loss compensated output signal based on an estimate of the audio signal within a time period comprising an event that the RF transceiver changes state between on and off, and wherein the estimate is based at least on a part of the audio signal input to the processor outside the time period. | 06-20-2013 |
20130279727 | HEARING DEVICE AND A METHOD OF SELECTING AN OPTIMAL TRANSCEIVER CHANNEL IN A WIRELESS NETWORK - A method in a wireless network comprising a plurality of frequency channels and a receiving participant, the method includes: receiving data on a first subset of the plurality of frequency channels, wherein the frequency channels in the first subset are utilized at least once; receiving data on a second subset of the plurality of frequency channels; determining packet error rates for the respective frequency channels in the first and the second subsets; and selecting one of the plurality of frequency channel as an optimal frequency channel based on a result from the act of determining. | 10-24-2013 |
20130301858 | HEARING DEVICE AND A METHOD OF COMPENSATING A FREQUENCY DIFFERENCE BETWEEN A TRANSMITTER AND RECEIVER - A hearing device includes: a processing unit; a filter; and a wireless receiver; wherein the processing unit is configured to determine a time difference between a start of the wireless receiver and a reception of a corresponding data packet from a transmitter; wherein the filter is configured to determine a time period as a function of a plurality of time differences that include the time difference determined by the processing unit; and wherein the processing unit is further configured to control the wireless receiver such that the wireless receiver is started in the time period before reception of a subsequent data packet from the transmitter. | 11-14-2013 |
20140086417 | HEARING AID FOR PROVIDING PHONE SIGNALS - A hearing system includes a first hearing aid, the first hearing aid comprising: a first microphone for converting sound into electrical signals; a processor communicatively coupled to the first microphone, wherein the processor is configured to provide an output based on the electrical signals from the first microphone; a first speaker communicatively coupled to the processor, and is configured to provide an acoustic signal based on the output provided by the processor; and a first communication device configured to receive a control signal transmitted from a second hearing aid in response to a reception or detection of a signal associated with a phone by the second hearing aid; wherein the first hearing aid is configured to reduce a gain of the first hearing aid to a non-zero value in response to the control signal received from the second hearing aid. | 03-27-2014 |
20140087675 | HEAD-WORN DEVICE WITH FLIGHT MODE - A head-worn device includes: a transceiver for wireless interconnection of the head-worn device with another device; and a housing for accommodation of parts of the head-worn device, the housing having a battery compartment for accommodation of a battery for power supply of the head-worn device, and a battery cover for closing the battery compartment; and a controller that is configured to disable the transceiver in response to repeated opening and closing operations of the battery cover, while the parts of the head-worn device are operational. | 03-27-2014 |
20140341405 | HEARING INSTRUMENT WITH AN AUTHENTICATION PROTOCOL - A hearing instrument includes: a radio for reception of a broadcasted message; an authenticator configured for authentication of a transmitter of the broadcasted message; and a receiver configured for converting the broadcasted message into an acoustic signal for transmission towards an eardrum of a user of the hearing instrument upon successful authentication of the transmitter of the broadcasted message. | 11-20-2014 |
20140348331 | HEARING AID WITH SPATIAL SIGNAL ENHANCEMENT - A new binaural hearing aid system is provided with a hearing aid in which signals that are received from external devices, such as a spouse microphone, a media player, a hearing loop system, a teleconference system, a radio, a TV, a telephone, a device with an alarm, etc., are filtered with binaural filters in such a way that a user perceives the signals to be emitted by respective sound sources positioned in different spatial positions in the sound environment of the user, whereby improved spatial separation of the different sound sources is facilitated. | 11-27-2014 |
20140369536 | HEARING INSTRUMENT WITH OFF-LINE SPEECH MESSAGES - A hearing instrument configured for use with a device, the hearing instrument includes: an interface for reception of a message and/or a speech message from the device, wherein the speech message is a converted form of the message and is generated using a text-to-speech processor; a memory for storage of the message and/or the speech message, and a message processor configured for, at a selected time, outputting audio samples of the speech message for transmission to a user of the hearing instrument. | 12-18-2014 |