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7599507 |
Hearing aid and a method for enhancing speech intelligibility
A hearing aid ( 22 ) having a microphone ( 1 ), a processor ( 53 ) and an output transducer ( 12 ), is adapted for obtaining an estimate of a sound environment, determining an estimate of the...
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7590254 |
Hearing aid with active noise canceling
The invention relates to a hearing aid comprising a signal path with an input transducer, a signal processor and an output transducer, the signal processor being adapted to produce a compensation...
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7574012 |
Hearing aid with noise suppression, and operating method therefor
Concurrent signal paths going pass a hearing aid bring about interferences in the auditory canal. These interferences are compensated by estimating an interfering signal from the input signal...
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7522738 |
Dual feedback control system for implantable hearing instrument
The invention is directed to an implanted microphone having reduced sensitivity to vibration. In this regard, the microphone differentiates between the desirable and undesirable vibration by...
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7519193 |
Hearing aid circuit reducing feedback
A hearing aid circuit includes a correlation detector that detects correlation at a feedforward path input and that provides a correlation output to a phase shifter. The phase shifter introduces a...
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7492916 |
Method for manufacturing acoustical devices and for reducing especially wind disturbances
A method for manufacturing an acoustical device, especially a hearing device. A device casing is provided with an acoustical/electrical input converter arrangement with an electric output. An audio...
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7489789 |
Method for noise reduction in an audio device and hearing aid with means for reducing noise
The invention regards a method for noise reduction in an audio device whereby an electrical and/or digital signal which represents sound is routed simultaneously through:—a signal analysis path,...
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7477754 |
Method for counteracting the occlusion effects
A method for counteracting the occlusion effect of an electronic device delivering an audio signal to the ear, like a hearing aid or an active ear protector, where the electronic device includes a...
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7471799 |
Method for noise reduction and microphonearray for performing noise reduction
Method of noise reduction in a hearing aid or a listening device to be used by a hearing impaired person in which the noise reduction is provided primarily in the frequency range wherein the...
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7457422 |
Method and implementation for detecting and characterizing audible transients in noise
A method and implementation for detecting and characterizing audible transients in noise includes placing a microphone in a desired location, producing a microphone signal wherein the microphone...
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7441458 |
Systems for measuring physical quantities
It is provided a system for measuring a physical quantity based on a detection signal using a vibrator 1 , a self-oscillating circuit 12 A oscillating a driving vibration in the vibrator 1 and...
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7435228 |
High fidelity hearing restoration
Method for accurately measuring hearing loss includes the steps of selecting a series of audio tones within the normal range of hearing ( 502 ) and then measuring a relative sensitivity of a test...
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7415118 |
System and method for distributed gain control
In accordance with an embodiment, the invention provides a spectral enhancement system that includes a plurality of distributed filters, a plurality of energy distribution units, and a...
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7400738 |
Acoustic module for a hearing aid device
An acoustic module for a hearing aid device has at least one microphone and at least one earphone (acoustic output transducer) combined together as a unit, the unit including a signal-processing...
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7386141 |
Hearing device and method of operating a hearing device
The interference noise suppression in hearing devices is to be optimized. A hearing device, in particular a hearing aid (HG) is thus proposed, comprising a directional detection device (RM) for...
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7372969 |
Method for processing an input signal to generate an output signal, and application of said method in hearing aids and listening devices
A method and a system for defining a threshold value (O max , O min , O TR ) serving to limit the output signal of a processing unit which is fed an input signal. An input-signal level is...
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7343023 |
Hearing prosthesis with automatic classification of the listening environment
A hearing prosthesis that automatically adjusts itself to a surrounding listening environment is provided. In one aspect, the automatic adjustment is achieved by controlling one or several...
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7340068 |
Device and method for detecting wind noise
A device for detecting the presence of wind noise in an array of microphones including two or more separate sound inlet openings, and a sound to electrical converting element or microphone in...
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7340072 |
Signal processing in a hearing aid
In a method and a device for the signal processing in a hearing aid, in which coefficients of a filter for the frequency-dependent amplitude adaptation of an input signal are adapted in accordance...
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7305099 |
Electronic devices, methods, and computer program products for detecting noise in a signal based on autocorrelation coefficient gradients
An electronic device can be operated to detect noise, such as wind noise. A microphone signal is generated by a microphone. Autocorrelation coefficients are determined based on the microphone...
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7289636 |
Electronic earplug for monitoring and reducing wideband noise at the tympanic membrane
An electronic earplug for wideband control of pressures at the tympanic membrane is presented. A unique methodology of determining effective component placement inside an earplug that provides...
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7260163 |
Noise blanker using an adaptive all-pole predictor and method therefor
A noise blanker ( 40, 106 ) monitors and removes noise from a sampled signal by adaptive filtering ( 98, 150 ) the sampled signal to generate trained adaptive filter prediction coefficients. The...
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7248711 |
Method for frequency transposition and use of the method in a hearing device and a communication device
A method for frequency transposition in a communication device Or a hearing device, respectively, is disclosed by transforming an acoustical signal into an electrical signal (s) and by transforming...
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7245732 |
Hearing aid
A digital hearing aid system includes a signal path with an input transducer, a signal processor and an output transducer, a part of the system being intended for delivering sound into an ear canal...
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7239713 |
Wireless transmission system for hearing devices
A transmission system for rearing devices is provided that, in spite of having less energy available, allows for a transmission relatively safe from interference. Such a gearing device has a...
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7181033 |
Method for the operation of a hearing aid as well as a hearing aid
A hearing aid is provided that avoids disturbing acoustic effects caused by on, off, or switchover events. The signal processing in the hearing aid is switched in sliding fashion from a first...
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7127076 |
Method for manufacturing acoustical devices and for reducing especially wind disturbances
A method for manufacturing an acoustical device, especially a hearing device. A device casing is provided with an acoustical/electrical input converter arrangement with an electric output. An audio...
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7113589 |
Low-power reconfigurable hearing instrument
A reconfigurable processing unit for a digital hearing instrument includes an IS processor module, a plurality of processing units and a crosspoint switch matrix. The IS processor module receives a...
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7106871 |
Feedback cancellation using bandwidth detection
A method for canceling feedback in an acoustic system including a microphone, a signal path, a speaker and means for detecting presence of feedback between the speaker and the microphone, the...
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7092538 |
Switched microphone buffer
A method and apparatus for substantially reducing and virtually eliminating direct current flow through the input transistor(s) of an input buffer circuit for an electret microphone is disclosed....
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7082204 |
Electronic devices, methods of operating the same, and computer program products for detecting noise in a signal based on a combination of spatial correlation and time correlation
Noise, such as wind noise, for example, may be detected in an electronic device by generating first and second microphone signals. Cross correlation coefficients are determined for the first and...
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7076073 |
Digital quasi-RMS detector
A digital quasi-RMS detector is provided that approximates the time-varying RMS energy of a signal. The digital quasi-RMS detector rectifies the signal and compares the rectified signal with an...
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7072480 |
Hearing aid system with a hearing aid and an external processor unit
A hearing aid system has a hearing aid and an external processor unit, where the external processor unit is permanently allocated to a specific hearing environment. The external processor unit is...
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7043037 |
Hearing aid having acoustical feedback protection
Apparatus for use in a hearing aid wherein a first microphone is connected to the hearing aid case and exposed to free air and a second microphone is connected to the hearing aid case and sealed...
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7020297 |
Subband acoustic feedback cancellation in hearing aids
A new subband feedback cancellation scheme is proposed, capable of providing additional stable gain without introducing audible artifacts. The subband feedback cancellation scheme employs a cascade...
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7010136 |
Resonant response matching circuit for hearing aid
An apparatus for and method of employing an electronic hearing aid device to assist a hearing impaired patient. The resonance curve of the outer auditory canal of the patient is determined. A...
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6888949 |
Hearing aid with adaptive noise canceller
A noise reduction system for a sound reproduction system, in particular for hearing aids, comprises a primary and a secondary microphone for producing input signals in response to sound in which a...
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6882736 |
Method for operating a hearing aid or hearing aid system, and a hearing aid and hearing aid system
In a method for operating a hearing aid or hearing aid system, and a hearing aid or hearing aid system, wind noises are detected by analyzing the output signals of at least two microphones. If wind...
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6813490 |
Mobile station with audio signal adaptation to hearing characteristics of the user
A method and apparatus for increasing the intelligibility of speech signals received by mobile stations via adapting some of the acoustic parameters of speech in the frequency domain. The mobile...
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6778674 |
Hearing assist device with directional detection and sound modification
A hearing assist device ( 10 ) for a person (P). The device comprises a speaker device (SP 1 ) for presenting sound to an ear canal of the person and circuitry for identifying a specified area...
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6754356 |
Two-stage adaptive feedback cancellation scheme for hearing instruments
A feedback cancellation system for a hearing instrument is described. The feedback cancellation system includes both a constrained adaptive filter, the constrained adaptive filter can be...
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6751325 |
Hearing aid and method for processing microphone signals in a hearing aid
In a hearing aid and a method for processing microphone signals in a hearing aid, a signal processing unit is provided in order to amplify and/or attenuate signal parts of at least two microphone...
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6735317 |
Hearing aid, and a method and a signal processor for processing a hearing aid input signal
In a hearing aid signal processor with AGC in at least three processing channels (a, B, C) for different frequency bands and with noise squelching capability to affect the gain control in a t least...
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6735316 |
Cup-in-a-cup structure and assembly method for active-noise-reduction headsets
Some workers wear headsets to protect their hearing from loud persistent noises, such as airplane engines and construction equipment. These headsets are generally passive or active, with the active...
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6728385 |
Voice detection and discrimination apparatus and method
An apparatus and a method of voice detection and discrimination apparatus for controlling a voice operated system. A protective ear terminal element in the apparatus protects the ear by providing...
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6724900 |
Hearing aid
To provide a hearing aid that allows desired sound to be selectively heard and allows unnecessary sound not to be heard, and that can be used with no bars even in a situation like a meeting that...
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6714654 |
Hearing aid operative to cancel sounds propagating through the hearing aid case
Apparatus for use in a hearing aid wherein a first microphone is connected to the hearing aid case and exposed to free air and a second microphone is connected to the hearing aid case and sealed...
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6683927 |
Digital data reproducing apparatus and method, digital data transmitting apparatus and method, and storage media therefor
A digital data reproducing apparatus and method are provided, which are capable of reproducing both digital audio data from the main body of the apparatus and digital data from an external...
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6674868 |
Hearing aid
The present invention is a hearing aid for amplifying an acoustic signals comprising: a controller for determining in real time a frequency band at the highest level of the acoustic signals through...
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6661901 |
Ear terminal with microphone for natural voice rendition
Ear terminal and ear terminal system, in which at least one ear terminal includes a sealing section ( 2 ) arranged for use in the ear meatus ( 3 ) of a human, including an inner microphone (M 2 )...
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