75results about "Acoustic reaction prevention" patented technology

A hearing aid device configured to be partly or fully inserted into the ear canal of a user is disclosed. The hearing aid device comprises a receiver (loudspeaker) adapted to generate and send an air-borne acoustic signal towards the eardrum when the hearing aid device is partly or fully inserted into the ear canal. The hearing aid device further comprises a microphone configured to receive acoustic signals. The hearing aid device comprises a processing unit configured to determine if the hearing aid device is positioned in a correct position in the ear canal on the basis of the acoustic signals received by the microphone.

A hearing aid comprises a microphone configured to receive an acoustic input signal and convert the signal into an electric input signal, an audiological signal processing unit coupled to the microphone and configured to process the electric input signal to a processed signal, an amplifier coupled to the audiological signal processing unit and configured to amplify the processed signal to an amplified signal, and a receiver coupled to the amplifier and configured to transform the amplified signal into an acoustic output signal. The hearing aid further comprises a howl detector coupled to the signal processing unit and configured to detect the presence of a feedback howl originating from the hearing aid an analyzer coupled to the howl detector and configured to determine a value indicative of whether the feedback howl detected is potentially audible to a person neighbouring the user of the hearing aid.

Methods and systems are provided for controlling bone conduction, in which a bone conduction element may be used to output acoustic signals when it is in contact with a user. A bone conduction sensor may also be made in contact with the user, and used to obtain feedback relating to the outputting of the acoustic signals via the bone conduction element. The outputting of the acoustic signals may then be adaptively controlled based on processing of the feedback. The adaptive controlling may comprise adjusting components and / or functions related to or used in the outputting of the acoustic signals. For example, the adaptive controlling may comprise adjusting gain, frequency response, and / or equalization associated with a drive amplifier driving the bone conduction element.

According to the present invention, a hearing aid is provided having a housing with an open canal section that is adapted for fitting in the ear canal of a user and having a short vent the longitudinal extension of which is shorter than the longitudinal extension of the open canal section, and an output port for emission of sound towards the eardrum of the user when inserted in the ear canal, and a closed pinna section for enclosing hearing aid components and that is attached to the open canal section and adapted to be positioned outside the ear canal in front of the pinna when the open canal section is inserted in the ear canal, the short vent substantially preventing the occlusion effect.

A hearing aid is disclosed, which, in a test mode, can determine the impedance of the transducer that stimulates the anatomy of the patient. Impedance may be determined by simultaneous determination of the current flowing through the transducer and the voltage across the transducer. In some cases, the output amplifier of the hearing aid includes two outputs, with one being a scaled and / or summed replica of the other. The amplifier is driven with a periodic signal with a particular frequency and a known peak voltage. The periodic signal may be sinusoidal. The primary output of the amplifier is electrically connected to the transducer, with a known voltage given by the peak input voltage and a known gain of the amplifier. The current from the secondary output of the amplifier is measured. In an example measurement scheme, the secondary output is sent through a rectifier and then through a low-pass filter.

A bone anchored hearing device, comprises: a housing, a sound input element positioned in the housing configured to receive sound signals, and a transducer positioned in the housing configured to generate vibrations representative of the sound signals received by the sound input device.

A hearing aid device (2) is disclosed. The hearing aid device (2) is configured to be sealingly inserted into the bony region (20) of the ear canal (16). The hearing aid device (2) comprises a receiver (12) and at least one microphone (4, 6) and means for processing sound signals detected by the at least one microphone (4, 6). The hearing aid device (2) comprises means for carrying out electronic feedback suppression by applying a frequency shift (ΔF) and / or a time delay to the detected sound signals. A method for providing electronic feedback reduction in a hearing aid device (2) is also disclosed.

The invention discloses a fitting device for fitting a hearing device to compensate for the hearing loss of a user and to a corresponding method. Additionally, the invention relates to a hearing device of reducing feedback and to a corresponding hearing device. The hearing device comprises a receiver and a microphone; wherein a feedback path from the receiver to the microphone exists; wherein the hearing device further comprises an adaptive feedback canceller adapted to reduce at least a part of the feedback; and wherein the adaptive feedback canceller comprises a fixed filter for modeling an invariant portion of the feedback path, and an adaptive filter for modeling a variant portion of the feedback path; and wherein the invariant portion is provided to the fixed filter of the hearing device independently of an actual user using the hearing device and the acoustical environment where the hearing device is put into use. Thereby a hearing aid is achieved which contains a fixed filter which comprises the invariant portions of the feedback path.

A hearing aid device configured to be partly or fully inserted into the ear canal of a user is disclosed. The hearing aid device comprises a receiver (loudspeaker) adapted to generate and send an air-borne acoustic signal towards the eardrum when the hearing aid device is partly or fully inserted into the ear canal. The hearing aid device further comprises a microphone configured to receive acoustic signals. The hearing aid device comprises a processing unit configured to determine if the hearing aid device is positioned in a correct position in the ear canal on the basis of the acoustic signals received by the microphone.

The present invention relates to a hearing aid having feedback signal reduction function. A preferred embodiment of the hearing aid of the present invention having feedback signal reduction function comprises: a microphone; an A / D transformer transforming an external sound that is input through the microphone to a digital sound signal; a feedback signal detector detecting the feedback signal by testing a specific range of frequency from the digital sound signal; a feedback signal reducer, operated by the control of the feedback signal detector, renewing the coefficient of correlation of an adaptive filter, to which independent component analysis (ICA) is applied, and reducing the feedback signal; a frequency amplifier amplifying the digital sound signal by use of the compensation gain information per frequency to fit the pre-determined characteristics of hearing loss; a D / A transformer transforming the digital sound signal to an analog sound signal; and a receiver Accordingly, the present invention can reduce the feedback signal to deliver high-quality voice signals only.

A wearable acoustic device with a microphone is provided. The wearable acoustic device includes a first housing forming a first acoustic emission path, a second housing combined with the first housing in a first direction that is substantially parallel to the first acoustic emission path, an acoustic component part arranged within the second housing and emitting sound through the first acoustic emission path, and at least one microphone arranged adjacent to the first acoustic emission path within the first housing.

One or more embodiments set forth include a personal aural device that includes an expandable eartip. The expandable eartip has a contracted state and an expanded state. The expandable eartip includes an insertion sensor configured to receive an indication that the eartip has been placed in an ear of a user. The expandable eartip further includes a controller configured to, in response, actuate a first device to inflate a first chamber to conform to a first portion of the ear. At least one advantage of the described techniques is that eartips in a set of earphones automatically inflate to provide an optimal fit for any listener's ears.

The present application discloses a hearing aid comprising a feedback alarm. The hearing aid includes a microphone configured to receive a sound input signal and converting the sound input signal into an electric input signal; an audiological signal processing unit connected with the microphone and configured to process the the electric input signal into a processed signal; an amplifier connected with the audiological signal processing unit and configured to amplify the processed signal into an amplified signal; a receiver connected with the amplifier and configured to convert the amplified signal into a sound output signal; a howl detector connected with the signal processing unit and configured to detect the presence of a feedback howl originating from the hearing aid; an analyzer connected to the howl detector and configured to determine a first value indicative of whether or not the feedback howl detected is potentially audible to a person neighbouring the user of the hearing aid; and a trigger unit connected to the analyzer and configured to trigger a corrective action considering the first value.

A hearing aid comprises a) first and second microphones b) an adaptive beamformer filtering unit comprising, b1) a first and second memories comprising a first and second sets of complex frequency dependent weighting parameters representing a first and second beam patterns, where said first and second sets of weighting parameters are predetermined initial values or values updated during operation of the hearing aid, b3) an adaptive beamformer processing unit providing an adaptation parameter representing an adaptive beam pattern configured to attenuate unwanted noise under the constraint that sound from a target direction is essentially unaltered, b4) a third memory comprising a fixed adaptation parameter representing a third, fixed beam pattern, a mixing unit providing a resulting complex, frequency dependent adaptation parameter as a combination of said fixed and adaptively determined frequency dependent adaptation parameters, respectively, and a resulting beamformer for providing a resulting beamformed signal YBF based on first and second microphone signals, said first and second sets of complex frequency dependent weighting parameters, and said resulting complex, frequency dependent adaptation parameter .

A hearing apparatus and in particular a hearing aid are to be optimized as regards the risk of feedback. The hearing apparatus contains a housing, having a first opening and a second opening, and with a frame, in or on which a signal processing component is attached, and which can be inserted into the first opening of the housing as far as an end position. A ramp is disposed in the housing which interacts with the frame such that the frame is also moved perpendicular to the direction of insertion toward the second opening during insertion into the housing along a direction of insertion only in one section as far as the end position, which is less than 30% of the insertion path from the first opening to the end position.

One or more embodiments set forth include a personal aural device that includes an expandable eartip. The expandable eartip has a contracted state and an expanded state. The expandable eartip includes an insertion sensor configured to receive an indication that the eartip has been placed in an ear of a user. The expandable eartip further includes a controller configured to, in response, actuate a first device to inflate a first chamber to conform to a first portion of the ear. At least one advantage of the described techniques is that eartips in a set of earphones automatically inflate to provide an optimal fit for any listener's ears.

A hearing aid device (2) is disclosed. The hearing aid device (2) is configured to be sealingly inserted into the bony region (20) of the ear canal (16). The hearing aid device (2) comprises a receiver (12) and at least one microphone (4, 6) and means for processing sound signals detected by the at least one microphone (4, 6). The hearing aid device (2) comprises means for carrying out electronic feedback suppression by applying a frequency shift (SF) and / or a time delay to the detected sound signals. A method for providing electronic feedback reduction in a hearing aid device (2) is also disclosed.

A hearing aid includes: an input transducer for generating an audio signal; a feedback suppression circuit configured for modelling a feedback path of the hearing aid; a subtractor for subtracting an output signal of the feedback suppression circuit from the audio signal to form a feedback compensated audio signal; a signal processor that is coupled to an output of the subtractor for processing the feedback compensated audio signal to perform hearing loss compensation; and a receiver that is coupled to an output of the signal processor for converting the processed feedback compensated audio signal into a sound signal; wherein the hearing aid further comprises a gain processor for performing gain adjustment of the feedback compensated audio signal based at least on an estimate of a residual feedback signal of the feedback compensated audio signal, wherein the estimate of the residual feedback signal is based at least on the audio signal.

The present disclosure relates to an earring hearing aid using a receiver in the tube (RIT) including a case which receives therein a microphone, an interface socket, an acoustic processing means, a memory button, a volume controller, a battery and a battery electrode, a receiver which outputs an acoustic signal through a lead wire having one end connected to the acoustic processing means, a hearing aid shell which receives an end of the receiver tube disposed at an opposite side to a side where the receiver is inserted in the receiver tube along a lengthwise direction, a face plate covering an inlet of the hearing aid shell, and an earring hook having one side inserted into an outer peripheral surface of an exit hole of the case to cover an outer peripheral surface of the lead wire exiting through the exit hole.

A method for the operation of a hearing device with at least one receiver includes carrying out a fixed second frequency shift of an electrical receiver signal supplying the receiver or of a predefinable frequency range of the receiver signal and a variable first frequency shift of the receiver signal or of a predefinable frequency range of the receiver signal. The first frequency shift is changed depending on the occurring feedback. A frequency shift which effectively prevents feedback is advantageously carried out, while artifacts of the frequency shift are minimized.

A method operates a system of a hearing aid device and a communication device. The hearing aid device has an acousto-electrical transducer, a signal processing device and an electro-acoustic transducer. The communication device has a controller and an electro-acoustic transducer. The method includes the steps of: receiving of an incoming call by the communication device, signaling of the incoming call by the communication device by a first acoustic signal via the electro-acoustic transducer, receiving of the first acoustic signal by the acousto-electrical transducer of the hearing aid device, identifying of the first acoustic signal and carrying out of a first change of adjustment on the hearing aid device when the first acoustic signal has been identified.

Methods and systems are provided for controlling bone conduction, in which a bone conduction element may be used to output acoustic signals when it is in contact with a user. A bone conduction sensor may also be made in contact with the user, and used to obtain feedback relating to the outputting of the acoustic signals via the bone conduction element. The outputting of the acoustic signals may then be adaptively controlled based on processing of the feedback. The adaptive controlling may comprise adjusting components and / or functions related to or used in the outputting of the acoustic signals. For example, the adaptive controlling may comprise adjusting gain, frequency response, and / or equalization associated with a drive amplifier driving the bone conduction element.

A method of operating a hearing device monitors for a head movement of a hearing device wearer. When a head movement is detected, an acoustic signal acquired by a microphone is output in an amplified and phase-modulated manner with a receiver. Furthermore, a hearing device includes a motion sensor and a signal processing unit that is configured to execute the method.

A hearing prosthesis system includes a processor arranged to communicate a stimulation signal to a vibration stimulator of a first hearing prosthesis. The processor receives an indication of a measured input signal from a first transducer of a second hearing prosthesis. A processor calculates a feedback associated with the stimulation. The processor may also be further configured to adjust a gain table or an input to a feedback reduction algorithm in response to the calculated feedback. Additionally, the processor of the hearing prosthesis system may also be arranged to communicate a second stimulation signal to a vibration stimulator of the second hearing prosthesis. The processor receives an indication of a measured input signal from the first hearing prosthesis. Further, the processor calculates a second feedback associated with the second stimulation.

A wearable acoustic device with a microphone is provided. The wearable acoustic device includes a first housing forming a first acoustic emission path, a second housing combined with the first housing in a first direction that is substantially parallel to the first acoustic emission path, an acoustic component part arranged within the second housing and emitting sound through the first acoustic emission path, and at least one microphone arranged adjacent to the first acoustic emission path within the first housing.

The invention relates to a customized bluetooth hearing aid. The hearing aid comprises a mobile phone and an earphone, and is characterized in that the earphone comprises an earphone shell, a bluetooth receiving module and a loudspeaker, the bluetooth receiving module and the loudspeaker are installed in the earphone shell, the bluetooth receiving module is coupled to the loudspeaker, and the earphone shell is provided with a concha cavity structure; the mobile phone is provided with a hearing aid app, the hearing aid app comprises a function module which calls a microphone and bluetooth inside the mobile phone and a voice processing module which performs processing on the sound collected by the microphone as to provide for bluetooth communication; and the concha cavity structure on the earphone shell is matched with a concha cavity of people. The customized bluetooth hearing aid improves the noise reduction and voice processing ability, avoids a delayed auditory deprivation effect, reduces discomfort caused by long-term wearing of a wearer, and improves the listening comfort.

A hearing aid device configured to be partly or fully inserted into the ear canal of a user is disclosed. The hearing aid device comprises a receiver (loudspeaker) adapted to generate and send an air-borne acoustic signal towards the eardrum when the hearing aid device is partly or fully inserted into the ear canal. The hearing aid device further comprises a microphone configured to receive acoustic signals. The hearing aid device comprises a processing unit configured to determine if the hearing aid device is positioned in a correct position in the ear canal on the basis of the acoustic signals received by the microphone.