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7602930 |
Power-saving mode for hearing aids
Hearing aid wearers can find themselves in situations in which the necessary replacement and/or recharging of a discharged voltage source is not immediately possible. In such a situation, reducing...
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7574009 |
Method and apparatus for controlling the reproduction in audio signals in electroacoustic converters
The aim of the invention is to control the bass reproduction of audio signals in electroacoustic transducers based on the psychoacoustic principle denoted by the term “virtual pitch” or...
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7561709 |
Modulation depth enhancement for tone perception
A sound processing process is disclosed, with particular application to auditory prostheses. After input sound signals are processed into channels, an algorithm is applied to selectively increase...
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7545944 |
Controlling a gain setting in a hearing instrument
According to the invention, in a hearing instrument it is once or repeatedly checked whether a second hearing instrument is present and active. If a second hearing instrument is active on the...
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7522739 |
Hearing aid with a switching device for switching on and off and corresponding method
It is intended that the switching on and off of a hearing aid (I) should be made more user-friendly. To this end the hearing aid (I) is fitted with a temperature sensor (TS) to detect the body heat...
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7489790 |
Digital automatic gain control
Systems, devices, and methods are provided to inhibit apparent amplitude modulation in non-linear processing that causes distortion in a processed signal. One aspect of the invention includes a...
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7475273 |
Hybrid parallel/serial bus interface
A hybrid serial/parallel bus interface has a data block demultiplexing device. The data block demultiplexing device has an input configured to receive a data block and demultiplexes the data block...
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7366315 |
Adaptive dynamic range optimization sound processor
In one embodiment, an apparatus for processing sound includes a means ( 401 ) for analysing a sound signal into a number of frequency bands and a means ( 403 ) for applying variable gain to each...
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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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7333623 |
Method for dynamic determination of time constants, method for level detection, method for compressing an electric audio signal and hearing aid, wherein the method for compression is used
The invention provides a method for dynamic determination of time constants to be used in a detection of the signal level of an input signal of unknown level in an electric circuit, comprising the...
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7319770 |
Method of processing an acoustic signal, and a hearing instrument
A method of processing an acoustic input signal into an output signal in a hearing instrument includes converting the acoustic input signal into a converted input signal, and applying a gain to the...
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7305100 |
Dynamic compression in a hearing aid
The present invention relates to a hearing aid with a compressor having a low and gain independent delay and low power consumption. The hearing aid comprises a multi-channel compressor for...
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7236604 |
Hearing aid device
A hearing aid device includes a signal transforming unit for converting an analog sound signal received by a signal receiving unit to a digital signal; a memory unit for temporarily storing the...
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7194100 |
Method for individualizing a hearing aid
This invention relates to a method for the individualized adaptation of a hearing aid to a person. The method consists basically of the measurement and quantification by parameters of the loudness...
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7181034 |
Inter-channel communication in a multi-channel digital hearing instrument
A multi-channel digital hearing instrument is provided that includes a microphone, an analog-to-digital (A/D) converter, a sound processor, a digital-to-analog (D/A) converter and a speaker. The...
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7181031 |
Method of processing a sound signal in a hearing aid
A multichannel hearing aid ( 20 ) comprises at least one frequency channel having a compressor ( 38 ) with a compression threshold at an output level below the hearing threshold and an attack time...
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7139403 |
Hearing aid with digital compression recapture
Systems, devices, and methods are provided to inhibit apparent amplitude modulation in non-linear processing that causes distortion in a processed signal. One aspect of the invention includes a...
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7123732 |
Process to adapt the signal amplification in a hearing device as well as a hearing device
A input signal for a hearing device signal processing unit is generated with the aid of an electro-acoustic converter. An output signal is generated by applying signal amplification. The signal...
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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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7076069 |
Method of generating an electrical output signal and acoustical/electrical conversion system
At a beamformer with at least two acoustical/electrical converters (M 1 , M 2 ) the outputs (A 1 , A 2 ) thereof are operationally connected to a beamformer unit ( 12 ). There signals dependent on...
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7068802 |
Method for the operation of a digital, programmable hearing aid as well as a digitally programmable hearing aid
A method for operating a digital, programmable hearing aid is provided that uses both a transmission characteristic of a normal amplification as well as a transmission characteristic of a maximum...
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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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7010135 |
Method to determine a feedback threshold in a hearing device
A feedback threshold in a hearing device is determined by feeding an input signal to the hearing device while it is inserted in an ear canal of a user. The input signal results in a higher...
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7010133 |
Method for automatic amplification adjustment in a hearing aid device, as well as a hearing aid device
To improve the speech comprehensibility given treatment with a hearing aid device, during the operation of the hearing aid device speech signal levels and noise signal levels are determined in a...
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6914994 |
Canal hearing device with transparent mode
The invention provides a canal hearing device and method in which the device is implemented with a mode of operation that provides acoustic transparency as well as a power-saving function,...
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6912289 |
Hearing aid and processes for adaptively processing signals therein
An improved hearing aid, and processes for adaptively processing signals therein to improve the perception of desired sounds by a user thereof. In one broad aspect, the present invention relates to...
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6898293 |
Hearing aid
The present invention relates to a hearing aid with an adaptive filter for suppression of acoustic feedback in the hearing aid. The hearing aid further comprises a controller that is adapted to...
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6885752 |
Hearing aid device incorporating signal processing techniques
A hearing compensation system for the hearing impaired comprises a plurality of bandpass filters having an input connected to an input transducer and each bandpass filter having an output connected...
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6870940 |
Method of operating a hearing aid and hearing-aid arrangement or hearing aid
For the automatic choice of a hearing program, a hearing aid ( 1 ) detects whether it is located in the immediate vicinity of an external transmitter ( 10, 10 ′). The transmitter ( 10, 10 ′)...
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6826286 |
Audio amplification device with volume control
An audio amplification device such as a hearing aid equipped with a user-operable volume control that provides users with the facility to return the volume of the device to a specific level after...
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6785392 |
Methods and apparatus for enabling or disabling an amplifier
Apparatus and methods for enabling and disabling an amplifier is described. Amplifiers can be enabled and disabled for the sake of power and energy savings and reduction of dissipated heat. The...
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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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6768801 |
Hearing aid having improved speech intelligibility due to frequency-selective signal processing, and method for operating same
In a hearing aid having a microphone and an earphone with a signal processing unit connected therebetween, and a method for operating such a hearing aid, a filter element in the signal processing...
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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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6748092 |
Hearing aid with improved percentile estimator
The invention relates to a hearing aid, preferably a programmable hearing aid, having at least one microphone ( 1 ), at least one signal processor with at least one channel, an output amplifier ( 9...
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6741714 |
Hearing aid with adaptive matching of input transducers
A hearing aid with a directional characteristic, including at least two spaced apart input transducers and wherein transducer signal type, such as transducer noise, wind noise, sound emitted from a...
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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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6731768 |
Hearing aid having switched release automatic gain control
An improved hearing aid is disclosed having a switched release automatic gain control. In one embodiment, an input signal is presented to a comparator with a reference typically around, for...
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6658307 |
Method for configuring the functional properties of an audiological device
The method for configuring the functional properties of an audiological device in the form of a hearing aid initially provides a hearing aid with an IC that can be differently configured in view of...
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6647123 |
Signal processing circuit and method for increasing speech intelligibility
A signal processing circuit and method for increasing speech intelligibility. The invention comprises a receiving circuit for receiving an audio signal detectable by a human. A gain amplifying...
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6628795 |
Dynamic automatic gain control in a hearing aid
Automatic gain control in a hearing aid is effected by detecting an input sound level and/or an output sound level and adapting the output sound level supplied by the hearing aid in response to the...
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6563931 |
Auditory prosthesis for adaptively filtering selected auditory component by user activation and method for doing same
An auditory prosthesis, and method, which is able to adapt better to filter out a selected unwanted portion of the auditory input signal by relying on a human activation, such as activation by the...
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6529607 |
Method for producing a constant sound pressure level in hearing aids and corresponding hearing aid
In a method and apparatus for producing constant sound pressure level in a hearing aid, a microphone, a receiver and a signal processing unit are provided. A switching unit produces constant sound...
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6516073 |
Self-powered medical device
A self-powered medical device, which is operated independently of the public utility network, has at least one voltage source, a signal input for accepting an analog input signal and a signal...
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6466678 |
Hearing aid having digital damping
A hearing aid is set forth that includes one or more hearing aid components that introduce an undesired undamped peak into the frequency response of the hearing aid. An electronic damping filter is...
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6330339 |
Hearing aid
Outputs of a pulse sensor, a brain wave sensor, a conductivity sensor and an acceleration sensor are input to respectively corresponding condition detecting means, and the condition of the wearer...
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6275596 |
Open ear canal hearing aid system
An open ear canal hearing aid system comprises an ear canal tube sized for positioning in an ear canal of a user so that the ear canal is at least partially open for directly receiving ambient...
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6256395 |
Hearing aid output clipping apparatus
A digital hearing aid applies clipping to the processed digital signal after at least part of the interpolation of the signal has occurred. The clipping may be incorporated into the output...
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6240192 |
Apparatus for and method of filtering in an digital hearing aid, including an application specific integrated circuit and a programmable digital signal processor
An apparatus for a hearing aid provides an application specific integrated circuit (ASIC) for filtering of input signals and a programmable digital signal processor connected to it, for control of...
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