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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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7599705 |
Wireless transmitter and hearing system
A wireless transmitter includes an antenna and a signal generator. A control signal input to the signal generator controls a frequency band of a carrier frequency. The control signal also controls...
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7580536 |
Sound enhancement for hearing-impaired listeners
A method of enhancing sound heard by a hearing-impaired listener comprises monitoring the sound in an environment in which the listener is located; and manipulating the frequency of high frequency...
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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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7536020 |
Wearable communication device
A wearable communication device includes a bone conduction actuator which is applicable for being in contact with a user's wrist, hand, back of the hand, finger or nail in order to transmit voice...
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7529379 |
System and method for determining an in-ear acoustic response for confirming the identity of a user
A system and method is provided for confirming the identity of a user, where the confirmation is made using biometric data. The system includes an internal speaker having an audio port, which is...
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7522961 |
Inner hair cell stimulation model for the use by an intra-cochlear implant
The stimulation provided in the electrically stimulated cochlea is modulated in accordance with the amplitude of a received acoustic signal and the onset of a sound in a received acoustic signal to...
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7502484 |
Ear sensor assembly for speech processing
An ear sensor apparatus includes a microphone positionable with respect to an ear canal to detect sound signals from the ear canal and to generate a corresponding output signal. The apparatus may...
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7502483 |
Hearing aid, training device, game device, and audio output device
The present invention provides a hearing aid in which at least one portion of an input sound signal is divided into a frequency band signal, and a single or a plurality of the frequency band...
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7463745 |
Phase based feedback oscillation prevention in hearing aids
A method for reducing oscillation of a feedback signal in a hearing aid and hearing aid configured according to the present method is provided. The method includes the steps of determining 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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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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7388962 |
Directional hearing enhancement systems
A hearing enhancement system that enhances a user's hearing based on a directional speaker is disclosed. In one embodiment, the system can include an interface unit that has a directional speaker...
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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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7343022 |
Spectral enhancement using digital frequency warping
A frequency-warped processing system using either sample-by-sample or block processing is provided. Such a system can be used, for example, in a hearing aid to increase the dynamic-range contrast...
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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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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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7292699 |
Band-limited adaptive feedback canceller for hearing aids
An improved method for adaptively cancelling acoustic feedback in hearing aids and other audio amplification devices. Feedback cancellation is limited to a frequency band that encompasses all...
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7286675 |
Audio signal processors
An audio signal processor includes a tone control ( 23 ). The tone control comprises two low-pass filters ( 221, 222 ) operating in current-mode and a subtractor ( 223 ) which subtracts the output...
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7254245 |
Circuit and method for adaptation of hearing device microphones
The microphones used in hearing devices normally possess different characteristic lines that are to be adapted to one another. For this purpose, the amplitude of an output signal of a first...
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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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7248710 |
Embedded internet for hearing aids
A method is described to operate a hearing device with an input transducer ( 1 ), a signal processing unit ( 2 ) and an output transducer ( 4 ). The method comprises the steps of converting an...
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7149320 |
Binaural adaptive hearing aid
A system and method for processing an acoustic input signal and providing at least one output acoustic signal to a user of a hearing-aid system. The hearing-aid system includes first and second...
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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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7106870 |
Method for adjusting a hearing device to a momentary acoustic surround situation and a hearing device system
A method for adjusting a hearing device is disclosed in which one of several hearing programs can be selected, as well as a hearing device system to perform the method. The method comprises the...
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7103417 |
Adaptive place-pitch ranking procedure for optimizing performance of a multi-channel neural stimulator
An adaptive place-pitch ranking procedure for use with a cochlear implant or other neural stimulation system provides a systematic method for quantifying the magnitude and direction of errors along...
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7076315 |
Efficient computation of log-frequency-scale digital filter cascade
A system for processing audio signals comprises a sequence of digital filters each configured to process a selected frequency using a set of coefficients. A filter configured to process a certain...
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7072717 |
Multirate cochlear stimulation strategy and apparatus
An improved processing approach is disclosed in order to allow for different rates of stimulation to be used for different electrodes in a multi-electrode cochlear implant. When the incoming signal...
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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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7024011 |
Hearing aid with an oscillation detector, and method for detecting feedback in a hearing aid
In a hearing aid having an oscillation detector and a method for establishing the presence of oscillations in a hearing aid, sinusoidal input signals of the microphone can be detected, and so...
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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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6934400 |
Method for controlling the dynamic range of a hearing aid, and method to manufacture different hearing aids, and a hearing aid
A method to control the dynamic range of a hearing device, which comprises at least one acoustic/electric input transducer followed by a signal processing unit which in turn is operationally...
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6913578 |
Method for customizing audio systems for hearing impaired
Improved approaches to assist those having hearing loss are disclosed. One approach pertains to providing customization of personal audio systems for a hearing impaired individual. Another approach...
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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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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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6873709 |
Method and apparatus for filtering and compressing sound signals
Improved approaches are disclosed to filter and compress sound signals so as to achieve not only speech audibility and intelligibility at low levels but also preserves spectrum contrast at high...
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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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6839446 |
Hearing aid with sound replay capability
A hearing aid includes a sound replay capability. The hearing aid can operate in a normal mode, augmenting sound as the sound occurs, or the hearing aid can operate in a replay mode (typically in...
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6829939 |
Method and apparatus for measuring sound that takes hearing characteristics into consideration
Sounds input via a sound input device are corrected in accordance with age-based hearing characteristic data read from a memory or correction values for reference hearing characteristics for...
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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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6763116 |
Hearing aid and operating method therefor with control dependent on the noise content of the incoming audio signal
For improving the automatic switching and control of hearing aid devices in view of respective auditory situation, the acoustic signal picked up by the hearing aid device is analyzed for noise...
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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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6731769 |
Upper audio range hearing apparatus and method
A system and method upper auditory frequency range hearing. A speech signal is filtered, and then modulated to an upper auditory frequency range. The modulated signal is then provided to a...
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6700982 |
Hearing instrument with onset emphasis
The hearing instrument comprises a circuit ( 12 ) for transforming an audio signal ( 11 ) into an output signal ( 13 ). This circuit ( 12 ) comprises emphasis means for emphasising in the output...
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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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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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6580798 |
Hearing aid
The suppression of interfering noise in an input signal ( 7 ) takes place in a main signal path ( 5 ), which contains neither a transformation in the frequency range nor a splitting-up into partial...
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6577739 |
Apparatus and methods for proportional audio compression and frequency shifting
Apparatus and methods for audio compression and frequency shifting retain the spectral shape of an audio input signal while compressing and shifting its frequency. The fast Fourier transform of the...
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6549633 |
Binaural digital hearing aid system
In a binaural hearing aid with signal processors in each unit, each signal processor includes a first processor part for hearing compensation processing of signals representing the sound received...
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