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| Number | Title | Issue Date |
| 8175307 | Method for attenuating interfering noise and corresponding hearing device Transient interfering sounds are to have a less disturbing effect in hearing devices. For this purpose, it is provided that an envelope curve of an input signal of a hearing device, particularly of a hearing aid, is detected. The slope and/or the height of edges of ... | 05/08/2012 |
| 8130991 | Hearing instrument with linearized output stage This invention relates to a hearing instrument (100), which comprises a first microphone (102) converting ambient sound to an ambient sound signal, a signal processor (104) generating a processed sound signal based on the ambient sound signal, a... | 03/06/2012 |
| 8126176 | Hearing aid A hearing aid comprises a noise suppressor that calculates noise suppression gain, an adjustment amount calculator that calculates an adjustment amount on the basis of a signal strength and a noise component strength, and a nonlinear compressor that calculates a ref... | 02/28/2012 |
| 8111849 | Hearing aid A hearing aid which achieves a comfortable feeling to use while preventing generation of howling includes a microphone for converting an environmental sound to an electric signal, a hearing aid processor for hearing aid processing of an output signal of the micropho... | 02/07/2012 |
| 8107656 | Level-dependent noise reduction A method for noise reduction in a hearing aid device is described, with a signal, which comprises a useful and an interference signal part, being processed in the hearing aid device and with the interference signal part being reduced to the benefit of the useful sig... | 01/31/2012 |
| 8107657 | 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 speech intelligibility according to the sound environm... | 01/31/2012 |
| 8077893 | Distributed audio coding for wireless hearing aids The aim of the invention is to provide inter-channel level differences ICLD related to audio signals for hearing aids. This aim is achieved by a method for computing ICLD from a first and second audio source signals, the first source signal being wired with a first ... | 12/13/2011 |
| 8036405 | Hearing aid system, a hearing aid and a method for processing audio signals A composite hearing aid system comprises two hearing aids (11, 31) with respective microphones (12, 32) and electronic receivers (17, 37), a microphone (42) and a transmitter (41) adapted to transmit the signal from the microphone ... | 10/11/2011 |
| 8019104 | Hearing aid with feedback model gain estimation A hearing aid includes an input transducer for transforming an acoustic input signal into an electrical input signal, a processor for generating an electrical output signal by amplifying the electrical input signal with a processor gain, an output transducer for tra... | 09/13/2011 |
| 8019103 | Hearing aid with suppression of wind noise The present application relates to a hearing aid with suppression of wind noise wherein wind noise detection is provided involving only a single comparison of the input signal power level at first low frequencies with the input signal power level at frequencies that... | 09/13/2011 |
| 7995779 | Method for processing the signals from two or more microphones in a listening device and listening device with plural microphones A method for processing the signals from two or more microphones in a listening device, and a listening device for conducting the method which has a casing holding the microphones, a signal processing unit which provides an output signal corresponding to the microph... | 08/09/2011 |
| 7933424 | Hearing aid comprising adaptive feedback suppression system A hearing aid comprises an input transducer (2), a subtraction node for subtracting a feedback cancellation signal from the electrical input signal thereby generating a processor input signal, a signal processor (3), an output transducer (4), a ... | 04/26/2011 |
| 7876918 | Method and device for processing an acoustic signal For reducing wind noise effects in a hearing instrument, a converted acoustic signal is processed in a number of frequency bands, a low frequency band of which is chosen to be a master band. A wind noise attenuation value is determined in each frequency band, based ... | 01/25/2011 |
| 7853031 | Hearing apparatus and a method for own-voice detection A hearing aid wearer's own voice frequently leads to artifacts and response errors in various hearing aid algorithms. It is provided that the user's own voice to be detected by a special analysis device, and the hearing aid algorithms can be controlled as a function... | 12/14/2010 |
| 7813517 | Hearing aid with reduced wind sensitivity and corresponding method The wind sensitivity of hearing aids is reduced. The noise level of at least two microphones is measured and to compared with one another. The microphones are controlled according to the comparison result. In one embodiment, the microphone having the lowest noise le... | 10/12/2010 |
| 7804974 | Hearing aid and a method of processing signals A hearing aid (30) includes a microphone (71), a signal processor (20) and an output transducer (22), and the signal processor (20) includes a set of audio processing parameters mapped to a set of stored noise classes (12) a... | 09/28/2010 |
| 7804973 | Fitting methodology and hearing prosthesis based on signal-to-noise ratio loss data An individual with a hearing loss often experiences at least two distinct problems: 1) the hearing loss itself i.e. an increase in hearing threshold level, and 2) a signal-to-noise ratio loss (SNR loss) i.e. a loss of ability to understand high level speech in noise... | 09/28/2010 |
| 7787648 | Active cancellation hearing assistance device An apparatus and method for active cancellation of interference at a hearing assistive devices are presented. The apparatus includes an interference cancellation circuit for cancelling an interference component of a composite signal, and an activator circuit for ena... | 08/31/2010 |
| 7747031 | Hearing device and method for wind noise suppression To reduce the disturbing effect of artifacts created by signal processing when reducing wind noises the microphone signal of a hearing device for the presence or the strength of a predefined wind noise signal and, if appropriate, the wind noise signal is released. A... | 06/29/2010 |
| 7738667 | Hearing aid for recording data and learning therefrom The present invention relates to a hearing aid logging data and learning from these data. The hearing aid (10, 100) comprises an input unit (12) converting an acoustic environment to an electric signal; an output unit (16) converting an processe... | 06/15/2010 |
| 7715578 | Hearing aid having improved RF immunity to RF electromagnetic interference produced from a wireless communications device A hearing aid has improved immunity to RF electromagnetic interference produced from wireless communications devices. A microphone receives audio signals from the environment. Audio circuitry is connected to the microphone and amplifies the audio signals. A speaker ... | 05/11/2010 |
| 7664281 | Method and apparatus for measurement of gain margin of a hearing assistance device Method and apparatus for determination of gain margin of a hearing assistance device under test. In varying examples, the impulse response for multiple levels can be taken and used to arrive at a gain margin. The method and apparatus, in various examples, process cr... | 02/16/2010 |
| 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 speech intelligibility according to the sound environm... | 10/06/2009 |
| 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 disturbed by interference from a microphone and applying to the interferin... | 08/11/2009 |
| 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 transmission path with an external microphone or input line which rec... | 01/13/2009 |
| 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 hearing impaired has the smallest hearing loss or the best hearing. ... | 12/30/2008 |
| 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 12A oscillating a driving vibration in the vibrator 1 and a detection circuit for outputting a detection signal ... | 10/28/2008 |
| 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 subject with respect to the ability to hear each of the audio ton... | 10/14/2008 |
| 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 weighted-averaging unit. At least one of the distributed filters receives a multi... | 08/19/2008 |
| 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 unit for feedback suppression that is connected with the microphone and... | 07/15/2008 |
| 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 detecting a direction from which an audio signal comes in from the sound... | 06/10/2008 |
| 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 (Omax, Omin, OTR) serving to limit the output signal of a processing unit which is fed an input signal. An input-signal level is determined and the threshold value (Omax... | 05/13/2008 |
| 7366252 | Wideband enhanced digital injection predistortion system and method A system for linearizing RF amplifiers employing baseband predistortion techniques provides additive or multiplicative predistortion of the quadrature (I/Q) input signal. The predistorter uses a discrete-time polynomial kernel to model the inverse transfer character... | 04/29/2008 |
| 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 algorithm parameters of a predetermined signal processing algorithm. In anoth... | 03/11/2008 |
| 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 with this input signal, the following steps are carried out: ... | 03/04/2008 |
| 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 relation to each sound inlet opening. The microphones each generate time d... | 03/04/2008 |
| 7336725 | Digital predistortion system and method for high efficiency transmitters A system for digitally linearizing the nonlinear behaviour of RF high efficiency amplifiers employing baseband predistortion techniques is disclosed. The system provides additive or multiplicative predistortion of the digital quadrature (I/Q) input signal in order t... | 02/26/2008 |
| 7333618 | Ambient noise sound level compensation Systems and methods for ambient noise compensation are disclosed. One example of a system includes a variable amplifier, a source sound processor, an area sound processor, and an adjustment circuit. The variable amplifier adjusts an audio input signal to generate an... | 02/19/2008 |
| 7317804 | Sound collecting device minimizing electrical noise A sound collecting device is provided which is designed to minimize adverse effects on an output caused by exposure of an electroacoustic transducer to the air. The device includes an electroacoustic transducer and a vibrating circuit. The transducer is exposed to t... | 01/08/2008 |
| 7313241 | Hearing aid device, and operating and adjustment methods therefor, with microphone disposed outside of the auditory canal For a hearing-impaired person provided with a hearing aid device with which sound acquisition ensues outside of the auditory canals of the person, the localization capability with regard to a signal source is lost. To compensate the information loss that occurs due ... | 12/25/2007 |
