Patent application number | Description | Published |
20110064252 | HEARING AID WITH MEANS FOR DECORRELATING INPUT AND OUTPUT SIGNALS - A hearing aid includes a microphone for converting sound into an audio input signal, a hearing loss processor configured for processing the audio input signal or a signal derived from the audio input signal in accordance with a hearing loss of a user of the hearing aid, a synthesizer configured for generation of a synthesized signal based at least on a sound model and the audio input signal, the synthesizer comprising a noise generator configured for excitation of the sound model for generation of the synthesized signal including synthesized vowels, and a receiver for generating an output sound signal based at least on the synthesized signal. | 03-17-2011 |
20110064253 | HEARING AID WITH MEANS FOR ADAPTIVE FEEDBACK COMPENSATION - A hearing aid includes a microphone for converting sound into an audio input signal, a hearing loss processor, an adaptive feedback suppressor configured for generation of a feedback suppression signal by modelling a feedback signal path of the hearing aid, a subtractor coupled to an output of the adaptive feedback suppressor, wherein the subtractor is configured for subtracting the feedback suppression signal from the audio input signal, and outputting a feedback compensated audio signal to the hearing loss processor, and wherein the hearing loss processor is configured for processing the feedback compensated audio signal in accordance with a hearing loss of a user of the hearing aid, a synthesizer configured for generation of a synthesized signal based at least on a sound model and the audio input signal, and a receiver for generating an output sound signal based at least on the synthesized signal. | 03-17-2011 |
20120008807 | BEAMFORMING IN HEARING AIDS - A hearing aid system includes a first microphone and a second microphone for provision of electrical input signals, a beamformer for provision of a first audio signal based at least in part on the electrical input signals, the first audio signal having a directional spatial characteristic, wherein the beamformer is configured to provide a second audio signal based at least in part on the electrical input signals, the second audio signal having a spatial characteristic that is different from the directional spatial characteristic of the first audio signal, and a mixer configured for mixing the first audio signal and the second audio signal in order to provide an output signal to be heard by a user. | 01-12-2012 |
20130170653 | HEARING AID WITH SIGNAL ENHANCEMENT - A method of binaural signal enhancement in a binaural hearing aid system, includes providing at least one microphone audio signal in response to sound, providing an estimate of one of a target signal and a noise signal based on the at least one microphone audio signal, phase shifting the estimate of one of the target signal and the noise signal, providing a phase shifted signal in which the phase shifted estimate of one of the target signal and the noise signal substantially substitutes the respective one of the target signal and the noise signal, transmitting a first signal representing the phase shifted signal towards a first eardrum of a user of the binaural hearing aid system, and transmitting a second signal representing the at least one microphone audio signal towards a second eardrum of the user. A system for performing the method is also described. | 07-04-2013 |
20130336507 | BEAMFORMING IN HEARING AIDS - A hearing aid system includes a first microphone and a second microphone for provision of electrical input signals, a beamformer for provision of a first audio signal based at least in part on the electrical input signals, the first audio signal having a directional spatial characteristic, wherein the beamformer is configured to provide a second audio signal based at least in part on the electrical input signals, the second audio signal having a spatial characteristic that is different from the directional spatial characteristic of the first audio signal, and a mixer configured for mixing the first audio signal and the second audio signal in order to provide an output signal to be heard by a user. | 12-19-2013 |
20140185846 | HEARING AID WITH IMPROVED LOCALIZATION - A hearing aid includes: a cue filter having an input that is provided with an output from the BTE sound input transducer; an adaptive feedback canceller configured to provide an output modelling a feedback path between the output transducer and the BTE sound input transducer, wherein the output modelling the feedback path is provided to a subtractor for subtraction of the output modelling the feedback path from the output of the BTE sound input transducer to obtain a difference, the subtractor outputting the difference to the cue filter; and a feedback and cue controller connected to the adaptive feedback canceller and the cue filter, wherein the feedback and cue controller is configured to control the cue filter to reduce a difference between an output of the ITE microphone and a combined output that is obtained using at least the cue filter. | 07-03-2014 |
20140185847 | HEARING AID WITH IMPROVED LOCALIZATION - A method of determining parameters of a BTE hearing aid having at least one ITE microphone and at least one BTE microphone, the method includes: determining Head-Related Transfer functions HRTF | 07-03-2014 |
20140185849 | HEARING AID WITH IMPROVED LOCALIZATION - A hearing aid includes: a feedback monitor connected to the adaptive feedback canceller and configured to monitor a state of feedback and having an output providing an indication of the state of feedback; and a cue controller connected to the feedback monitor and the at least one adaptive cue filter, and configured to control, in response to an output of the feedback monitor, the at least one adaptive cue filter so that the difference between the output of the at least one ITE microphone and the combined output of the at least one adaptive cue filter is reduced. | 07-03-2014 |
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 |
20140348360 | HEARING AID WITH IMPROVED LOCALIZATION - A hearing aid includes: a BTE hearing aid housing configured to be worn behind a pinna of a user and accommodating at least one BTE sound input transducer configured for conversion of acoustic sound into a BTE audio sound signal; an ITE microphone housing configured to be positioned in an outer ear of the user and accommodating at least one ITE microphone configured for conversion of acoustic sound into an ITE audio sound signal and accommodated by the ITE microphone housing; a signal detector configured for determination of ITE signal magnitudes of the ITE audio sound signal at a plurality of frequencies, and determination of BTE signal magnitudes of the BTE audio sound signal at the plurality of frequencies; and a gain processor configured for determining gain values at respective frequencies of the plurality of frequencies based on the ITE signal magnitudes and the BTE signal magnitudes. | 11-27-2014 |