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| Number | Title | Issue Date |
| 8116491 | Method for the dynamic range compression of an audio signal and corresponding hearing device It should be possible to carry out dynamic range compression in hearing devices, and in particular in hearing aids, so it is free from distortion and practically in real time. For this purpose it is proposed that the modulation spectrum be obtained from the audio or... | 02/14/2012 |
| 8111850 | Method for adjusting a hearing device with a standardization of processing values A hearing device wearer is to have improved possibilities of being able to perform a fine adjustment of his/her hearing device according to a basic setting. To this end, each processing value of a multi-channel processing system is standardized, in particular a filt... | 02/07/2012 |
| 8085960 | Filter bank system for hearing aids The object of the invention is to make sub-band processing in hearing aids less computationally intensive. For this purpose a filter bank system comprising an analysis filter bank (AFB) for decomposing an input signal into sub-band signals, a processing device for a... | 12/27/2011 |
| 8023673 | Pitch perception in an auditory prosthesis A sound processing process, device and software are disclosed which seek to improve pitch perception, with particular application to auditory prostheses. After input sound signals are processed into channels, an algorithm is applied to selectively increase the modul... | 09/20/2011 |
| 7796770 | Hearing aid with frequency channels The invention regards a method for sound processing in an audio device wherein an audio signal is provided and the audio signal is frequency shaped according to the need of a user of the audio device and the frequency shaped signal is served at the user in a form pe... | 09/14/2010 |
| 7715579 | Tone control circuit for hearing aid and the like A tone control circuit includes a capacitor-resistor circuit; a resistor-capacitor circuit which is connected to the capacitor-resistor circuit; and a variable resistor which is connected between the resistor-capacitor circuit and capacitor-resistor circuit or a con... | 05/11/2010 |
| 7650005 | Automatic gain adjustment for a hearing aid device The object of the claimed hearing aid device is to improve the speech intelligibility of a speech signal transmitted by the hearing aid device. To this end provision is made to define a maximum gain of the input signal and to determine a target gain at least at a fi... | 01/19/2010 |
| 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 the modulation depth of the envelope signals. ... | 07/14/2009 |
| 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 include a seal for substantially blocking ambient sound signals from r... | 03/10/2009 |
| 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 signals are subjected to noise to generate a Noise-Vocoded Speech Sound sig... | 03/10/2009 |
| 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 |
| 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 and a microphone. The microphone captures input audio signals that are... | 06/17/2008 |
| 7373332 | Methods and apparatus for detecting temporal process variation and for managing and predicting performance of automatic classifiers Techniques for detecting temporal process variation and for managing and predicting performance of automatic classifiers applied to such processes using performance estimates based on temporal ordering of the samples are presented. ... | 05/13/2008 |
| 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 frequency band independently. Gain in applied under control o... | 04/29/2008 |
| 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 in the speech spectrum, thus improving ease of listening and possibly ... | 03/11/2008 |
| 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 |
| 7340074 | Device and method to adjust a hearing device The individual adaptation of a hearing device to a hearing device user is simplified by providing that the hearing device user manually selects the amplification in a specific auditory situation and initiates an adjustment event, such that this auditory situation is... | 03/04/2008 |
| 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 |
| 7317806 | Sound tube tuned multi-driver earpiece A method of optimizing the audio performance of an earpiece and the resultant device are provided. The disclosed earpiece combines at least two drivers within a single earpiece. If a pair of drivers is used, each driver has a discrete sound delivery tube. If more th... | 01/08/2008 |
| 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 compensation of dynamic range loss and with a digital input for inputting a d... | 12/04/2007 |
| 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 unstable frequencies. By limiting the bandwidth of the feedback cancellati... | 11/06/2007 |
| 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 currents of the filters to produce a band-pass charact... | 10/23/2007 |
| 7280943 | Systems and methods for separating multiple sources using directional filtering Systems and methods for performing source separation are provided. Source separation is performed using a composite signal and a signal dictionary. The composite signal is a mixture of sources received by a sensor. The signal dictionary is a database of filtered bas... | 10/09/2007 |
| 7277554 | Dynamic range compression using digital frequency warping A dynamic range compression system is provided, using either a sample-by-sample or a block processing system. Such a system can be used, for example, in a hearing aid. The system, using a frequency-warped processing system, is comprised of a cascade of all-pass filt... | 10/02/2007 |
| 7263195 | In-ear monitor with shaped dual bore A multi-driver in-ear monitor for use with either a recorded or a live audio source is provided. If a pair of drivers is used, each driver has an individual sound delivery tube. If three drivers are used, the outputs from two of the drivers are merged into a single ... | 08/28/2007 |
| 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 microphone and the amplitude of an output signal of a second microphone are ... | 08/07/2007 |
| 7251601 | Speech synthesis method and speech synthesizer A speech synthesis method comprises selecting a predetermined formant parameters from formant parameters according to a pitch pattern, phoneme duration, and phoneme symbol string, generating a plurality of sine waves based on formant frequency and formant phase of t... | 07/31/2007 |
| 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 acoustic input signal into a converted input signal, proce... | 07/24/2007 |
| 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 the electrical signal from time domain into frequency domain to obta... | 07/24/2007 |
| 7242783 | Audio limiting circuit An audio limiting circuit capable of satisfying frequency dependent limits and time domain constraints, is disclosed. In one illustrative embodiment, an input node receives an unattenuated input signal and a system modeling filter predicts the amount, if any, by whi... | 07/10/2007 |
| 7214179 | Low acceleration sensitivity microphone An implanted microphone is provided that has reduced sensitivity to vibration and attendant acceleration forces. In this regard, the microphone differentiates between the desirable and undesirable components of a transcutaneously received signal. More specifically, ... | 05/08/2007 |
| 7210353 | Multimedia feature for diagnostic instrumentation A system and method for obtaining hearing ability related data from a subject outputs tones or sounds and monitors the subject's responses to the tones or sounds. An error condition is detected based on the responses, and corrective instructions are automatically de... | 05/01/2007 |
| 7206423 | Intrabody communication for a hearing aid Disclosed is a hearing aid that includes a first component operable to receive an input and a second component operable to provide an output to at least one ear of a user of the hearing aid. The first component and the second component are electrically coupled toget... | 04/17/2007 |
| 7194103 | In-ear monitor with hybrid diaphragm and armature design An in-ear monitor for use with either a recorded or a live audio source is provided. The disclosed in-ear monitor combines a single diaphragm driver and a single armature driver within a single earpiece, thereby taking advantage of the capabilities of each type of d... | 03/20/2007 |
| 7181028 | Audio converting device and converting method thereof An audio converting device including a digital high-pass filter, an expander, a digital low-pass filter, a delta-sigma modulator, a digital-to-analog converter, an analog low-pass filter and a gain control unit is provided. The digital high-pass filter in this inven... | 02/20/2007 |
| 7181297 | System and method for delivering customized audio data A method for providing customized audio data products that includes the steps of (1) storing a machine readable hearing profile for a customer, (2) accepting via a data input device or data network for example, machine readable orders from the customer for a particu... | 02/20/2007 |
| 7174026 | Selection of communication connections in hearing aids A hearing aid and a corresponding method are provided in which address data and/or channel data with respect to a plurality of signal sources are stored in a memory of the hearing aid. As a result of a priority-driven address management system, the hearing aid user ... | 02/06/2007 |
| 7165000 | Method and apparatus for calibrating data-dependent noise prediction Disclosed herein is an apparatus and method of calibrating the parameters of a Viterbi detector 138 in which each branch metric is calculated based on noise statistics that depend on the signal hypothesis corresponding to the branch. An offline algorithm for ... | 01/16/2007 |
| 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 channels with one of the channels having an adaptive delay. The first ch... | 12/12/2006 |
| 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 hearing aid. The hearing aid includes a microphone to receive an input s... | 11/21/2006 |
