| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 381316000 | Frequency transposition | 47 |
| 20080310659 | Hearing Aid Having Feedback Signal Reduction Function - The present invention relates to a hearing aid having feedback signal reduction function. A preferred embodiment of the hearing aid of the present invention having feedback signal reduction function comprises: a microphone; an A/D transformer transforming an external sound that is input through the microphone to a digital sound signal; a feedback signal detector detecting the feedback signal by testing a specific range of frequency from the digital sound signal; a feedback signal reducer, operated by the control of the feedback signal detector, renewing the coefficient of correlation of an adaptive filter, to which independent component analysis (ICA) is applied, and reducing the feedback signal; a frequency amplifier amplifying the digital sound signal by use of the compensation gain information per frequency to fit the pre-determined characteristics of hearing loss; a D/A transformer transforming the digital sound signal to an analog sound signal; and a receiver Accordingly, the present invention can reduce the feedback signal to deliver high-quality voice signals only. | 12-18-2008 |
| 20090161896 | METHOD AND APPARATUS FOR ENVELOPE DETECTION AND ENHANCEMENT OF PITCH CUE OF AUDIO SIGNALS - A method and apparatus for detecting an envelope of an audio signal, and a method and apparatus for enhancing the pitch cue of an audio signal perceived by a cochlear implant patient where the audio signal is processed and input to an implant device of the recipient. The methods and apparatuses use techniques such as filtering, rectifying, detecting peak values, sampling, resetting, comparing and multiplying various signals to detect the envelope or enhance the pitch cue of the audio signal. | 06-25-2009 |
| 20090185704 | HEARING AID ADAPTED TO A SPECIFIC TYPE OF VOICE IN AN ACOUSTICAL ENVIRONMENT, A METHOD AND USE - A hearing aid having a microphone for converting an ambient sound signal to an electric sound signal, a voice detector adapted to determine if a voice is present in said electric sound signal and a frequency analyzer to determine a fundamental frequency of a voice present in said electric sound signal, a signal processor adapted to process said electric sound signal, or an electric signal derived from it, independent of adjustable processing parameters, a memory having corresponding sets of processing parameters and fundamental voice frequencies, a decision unit to select and forward from the memory to the signal processor a set of processing parameters in accordance with a fundamental frequency determined by the frequency analyzer. Further, a method of adapting a hearing aid and to the use of such hearing aid. | 07-23-2009 |
| 20100040249 | ULTRASONIC AND MULTIMODALITY ASSISTED HEARING - Speech is modulated and processed to provide a signal that is intelligible in high noise environments. Also, a device (and method of using said device) for improving the perception of acoustic signals comprising non-vocal patterns such as music is presented which utilizes high-frequency carriers in conjunction with signal modulation. Finally, a signal containing acoustic information is presented to a listener using multiple modalities including ultrasonic perception via brain demodulation, air-conduction, and tactile stimulation to provide an enhanced perception of sound. | 02-18-2010 |
| 20100040250 | Hearing Aid Device with a Transducer Protection Facility - With a hearing aid device which can be worn in the ear, a barometric pressure equalization which is needed for the sound transducer, such as a microphone or receiver, is to be achieved in a simple and cost-effective fashion. To this end, a converter protection facility is proposed with a membrane, with a pressure equalization channel, which connects a sound channel to the interior of the hearing aid device, extends through the transducer protection facility at least in one section. Replacing the transducer protection facility thus also replaces this subsection of the pressure equalization channel. A possible blockage of the pressure equalization channel which exists in this region as a result of dirt or moisture is eliminated as a result. | 02-18-2010 |
| 20100080408 | Method for operating a hearing aid and hearing aid - The invention relates to a method for operating a hearing aid as well as a hearing aid which is operated with the method. An original acoustic signal is detected. At least one original signal amplitude of the original signal is determined in the frequency domains. At least one discrete transposition signal amplitude is shifted from its original frequency to a transposition frequency. A signal change which can be perceived by the human ear is impressed onto the transposition signal amplitude. The hearing aid includes a microphone, a receiver and a signal processing apparatus. The signal processing apparatus executes the method according to the invention. The invention enables a hearing aid wearer to render distinguishable the frequency transposed signal parts in a superimposition region and the non-transposed signal parts which are available there from the outset. | 04-01-2010 |
| 20100296679 | METHOD FOR ACCLIMATIZING A PROGRAMMABLE HEARING DEVICE AND ASSOCIATED HEARING DEVICE - A method provides time-dependent automatic acclimatization of at least one parameter of a hearing device, for example the volume, to a predeterminable target. In the method the speed of the automatic acclimatization is influenced by parameter changes made by a wearer of the hearing device himself. Advantageously this makes it possible to address the individual familiarizing phase and requirements of the wearer of the hearing device and finally to set an optimum parameter value. | 11-25-2010 |
| 20110142271 | METHOD FOR FREQUENCY TRANSPOSITION IN A HEARING AID AND HEARING AID - In a hearing aid offering the option of frequency transposition, sounds should still be perceivable as sounds, even after the frequency transposition. To this end, it is proposed first of all to establish sounds present in the input signal and, more particularly, the fundamental frequencies thereof and to carry out the frequency transposition as a function of the established fundamental frequencies. Here, transposed overtones are returned to the frequency grid of the fundamental frequency, and so the sound property is maintained even after the frequency transposition. | 06-16-2011 |
| 20110150256 | METHOD FOR ADAPTING SOUND IN A HEARING AID DEVICE BY FREQUENCY MODIFICATION AND SUCH A DEVICE - In a digital hearing aid device ( | 06-23-2011 |
| 20110249843 | SOUND PERCEPTION USING FREQUENCY TRANSPOSITION BY MOVING THE ENVELOPE - The application relates to a method of improving a user's perception of an input sound. The application further relates to an audio processing device and to its use. The object of the present application is to increase the sound quality of a sound signal as perceived by a user, e.g. a hearing impaired user. The method comprises a) Defining a critical frequency f | 10-13-2011 |
| 20120039496 | METHOD FOR REDUCING INTERFERENCE AND HEARING DEVICE - A method for operating a hearing device, which is embodied for wireless signal transmission of a data signal at a transmission frequency, provides an audio signal as a pulsed signal, in which a plurality of pulses fall within a predefined time slot. A frequency spectrum of the audio signal has a notch into which the transmission frequency is placed, and the pulses of the audio signal within the predefined time slot are shifted such that the energy of the frequency spectrum drops in the vicinity of the transmission frequency. | 02-16-2012 |
| 20120063620 | HEARING AID APPARATUS - A call other than a conversion partner call and various sounds are detected by input audio signals from plural microphones without deteriorating a voice recognition precision. A hearing aid apparatus according to the present invention corrects a frequency characteristic of the call voice other than the conversation partner voice based on an arrival direction of the call voice other than the conversation partner voice, which is estimated based on the audio signal converted by the plural microphones, checks a call word standard pattern representing features of a phoneme and a syllabic sound based on other voice data picked up by using the microphones having one characteristic against a call voice other than the conversation partner voice in which the frequency characteristic is corrected by the frequency characteristic correction processing unit to determine whether the call voice is a call word, and forms a directivity in the direction other than the arrival direction of the voice of the conversation partner. Then, the hearing aid apparatus according to the present invention corrects the frequency characteristic of the call voice other than the conversation partner voice so as to provide the same characteristic as that of the microphones at the time of creating the audio standard pattern. | 03-15-2012 |
| 20120076332 | METHOD AND DEVICE FOR FREQUENCY COMPRESSION WITH HARMONIC CORRECTION - Artifacts occurring during frequency compression, in particular in the case of hearing aids, are avoided or reduced. The method compresses the frequency of an audio signal having a fundamental frequency and at least one harmonic. The audio signal is provided in a plurality of frequency channels. The harmonic of the audio signal is shifted or mapped from a first frequency channel of the plurality of frequency channels into a second frequency channel. In addition a frequency which is likewise harmonic with respect to the fundamental frequency is estimated in the second frequency channel, the harmonic being shifted or mapped onto the estimated frequency. As a result the harmonic pattern is preserved in the compressed signal and the artifacts are reduced. | 03-29-2012 |
| 20120076333 | METHOD AND DEVICE FOR FREQUENCY COMPRESSION WITH SELECTIVE FREQUENCY SHIFTING - A method and device for frequency compression of audio signals to reduce the occurrence of artifacts. A component of the audio signal having a plurality of frequency channels is shifted from a first frequency channel into a second frequency channel. A dominant instantaneous frequency is determined in the first frequency channel. During shifting or mapping, first the entire first frequency channel, including the dominant instantaneous frequency, is shifted or mapped into the second frequency channel, wherein the dominant instantaneous frequency obtains an intermediate frequency position. A final frequency position for the dominant instantaneous frequency is determined using a predefined compression characteristic in the second frequency channel, starting from the frequency position of the dominant instantaneous frequency in the first frequency channel. Finally, the dominant instantaneous frequency is shifted or mapped from the intermediate frequency position to the final frequency position. | 03-29-2012 |
| 20120106762 | HEARING AID DEVICE FOR FREQUENCY COMPRESSION - With a hearing aid device suitable for executing a frequency compression, the aim is for different input signals entering the hearing aid device to be easily distinguishable even after frequency compression. To this end it is proposed that form factors should be determined from source frequency bands in which the signal components of the input signal present therein are not included in the output signal, these being included in the amplification of selected frequency bands, the signal components of which are included in the output signal. | 05-03-2012 |
| 20120140964 | Method and hearing aid for enhancing the accuracy of sounds heard by a hearing-impaired listener - A method for enhancing the accuracy of sounds heard by a hearing-impaired listener is disclosed. The method for enhancing the accuracy of sounds heard by a hearing-impaired listener includes receiving an input sound, determining if it is necessary to modify the frequency of the input sound, and modifying the input sound into a modified input sound if necessary. The determination relies on the frequency and energy of the input sound. The ratio of the energy of lower frequencies of the modified input sound will be increased. | 06-07-2012 |
| 20120177236 | FREQUENCY TRANSLATION BY HIGH-FREQUENCY SPECTRAL ENVELOPE WARPING IN HEARING ASSISTANCE DEVICES - Disclosed herein, among other things, is a system for frequency translation by high-frequency spectral envelope warping in hearing assistance devices. The present subject matter relates to improved speech intelligibility in a hearing assistance device using frequency translation by high-frequency spectral envelope warping. The system described herein implements an algorithm for performing frequency translation in an audio signal processing device for the purpose of improving perceived sound quality and speech intelligibility in an audio signal when presented using a system having reduced bandwidth relative to the original signal, or when presented to a hearing-impaired listener sensitive to only a reduced range of acoustic frequencies. | 07-12-2012 |
| 20120243715 | AUDIO PROCESSING DEVICE, SYSTEM, USE AND METHOD - An audio processing device includes a) an input unit for converting a time domain input signal to a number N | 09-27-2012 |
| 20120250917 | METHOD FOR IMPROVING THE COMPREHENSIBILITY OF SPEECH WITH A HEARING AID, TOGETHER WITH A HEARING AID - The understanding of speech is to be improved in cases of hearing loss in which certain frequency ranges can no longer be perceived even at high volume or amplification, as applicable. A frequency transposition is performed on an input signal coming into a hearing aid and specific features of an electrical input signal are detected and a transposed signal is filtered as a function of the specific features detected in the electrical input signal. The hearing aid provides appropriate facilities for detecting specific features of the electrical input signal and filtering facilities for filtering the transposed signal. The objective of this is to detect particular properties of the input signal, in particular signal properties which are characteristic of fricatives, which may possibly be lost as a result of the frequency transposition, and at least partially to restore them in the transposed signal. | 10-04-2012 |
| 20120250918 | METHOD FOR IMPROVING THE COMPREHENSIBILITY OF SPEECH WITH A HEARING AID, TOGETHER WITH A HEARING AID - The understanding of speech is to be improved in cases of hearing loss in which certain frequency ranges can no longer be perceived. A hearing aid has an input transducer for receiving an input signal and converting it into an electrical input signal, a signal processing unit for processing the electrical input signal and effecting frequency-dependent amplification of it, and generates an electrical output signal, and an output transducer for converting the electrical output signal into an acoustic output signal. The hearing aid further has a sound detector device for recognizing sounds in a voice signal coming into the hearing aid, a lookup table, in which a specific output code is assigned in each instance to certain sounds, and a coding device, by which the sounds contained in the electrical input signal are replaced by associated output code in the electrical output signal. | 10-04-2012 |
| 20130028453 | HEARING AID ALGORITHMS - The invention relates to a method of operating an audio processing device. The invention further relates to an audio processing device, to a software program and to a medium having instructions stored thereon. The object of the present invention is to provide improvements in the processing of sounds in listening devices. The problem is solved by a method comprising a) receiving an electric input signal representing an audio signal; b) providing an event-control parameter indicative of changes related to the electric input signal and for controlling the processing of the electric input signal; c) storing a representation of the electric input signal or a part thereof; d) providing a processed electric output signal with a configurable delay based on the stored representation of the electric input signal or a part thereof and controlled by the event-control parameter. The invention may e.g. be used in hearing instruments, headphones or headsets or active ear plugs. | 01-31-2013 |
| 20130083950 | AMPLIFICATION SETTING IN A HEARING AID DEVICE - A hearing aid retains speech comprehension even during implementation of a frequency transposition. To this end, fricatives existing in an input signal prior to the frequency transposition are identified in particular with the aid of the energy distribution between the individual frequency bands. Following the frequency transposition, amplifier units are controlled in the transposed frequency bands such that a specific energy distribution existing in the non-transposed frequency bands between at least one first upper frequency band and a first lower frequency band is mapped onto a corresponding energy distribution between a second upper frequency band and a second lower frequency band of the frequency-transposed signal. This results in the fricatives obtained in the original input signal also being correctly identified following a frequency transposition. | 04-04-2013 |
| 20130089227 | Stability and Speech Audibility Improvements in Hearing Devices - A hearing device includes a first filter configured for providing a first frequency part of an input signal of the hearing device, the first frequency part comprising a low pass filtered part, a second filter configured for providing a second frequency part of the input signal, the second frequency part comprising a high pass filtered part, a first synthesizing unit configured for generating a first synthetic signal from the first frequency part using a first model based on a first periodic function, and a combiner configured for combining the second frequency part with the first synthetic signal for provision of a combined signal. | 04-11-2013 |
| 20130136282 | System and Method for Spectral Personalization of Sound - The present invention features systems for enhancing audio signals to correct across a spectrum of frequencies according to a model of the spectral characteristics of hearing loss. The methods of the present invention estimate hearing loss using a linear function of the critical band center frequency. The systems of the present invention compute a user-determined degree of correction to sounds at varying frequencies, allowing a listener to hear sounds, across varying frequencies, as the listener wishes to hear them without needing to raise the volume of the sounds to potentially damaging levels. Systems may be incorporated into apparatuses including but not limited to personal communications devices, virtual audio ports/channels and media players. | 05-30-2013 |
| 20130142368 | METHOD FOR OPERATING A HEARING AID AND CORRESPONDING HEARING AID - A hearing aid and a method for operating a hearing aid to improve the quality of the hearing aid, in particular depending on the situation, include a hearing aid component that can be worn in a human auditory canal and a balloon, the size of which can be changed and which at least partially encloses the hearing aid component. During the operation of the hearing aid, a value specific to the current hearing situation is detected by the hearing aid. The size of the balloon is then set according to the determined value. | 06-06-2013 |
| 20130188814 | HEARING AID WITH AN H-BRIDGE OUTPUT STAGE AND A METHOD OF DRIVING AN OUTPUT STAGE - A digital, three-level output driver ( | 07-25-2013 |
| 20130188815 | METHOD AND DEVICE FOR FREQUENCY COMPRESSION - Artifacts are reduced during a frequency compression of an audio signal in a hearing device, in particular in a hearing aid. An amplitude information of a source channel is obtained, for example a spectral envelope, from several frequency channels of the audio signal. An amplitude corresponding to the amplitude information is then applied on a signal in a target channel of the several frequency channels, on which the source channel is represented during frequency compression. | 07-25-2013 |
| 20130308806 | APPARATUS AND METHOD FOR COMPENSATION OF HEARING LOSS BASED ON HEARING LOSS MODEL - A hearing loss compensation apparatus includes a filter bank control unit configured control a plurality of filter banks to separate an input signal into frequency bands; and a signal output unit configured to amplify the input signal separated into frequency bands according to a control parameter based on characteristics of a hearing loss patient, and output the amplified input signal. | 11-21-2013 |
| 20130322671 | ENHANCING PERCEPTION OF FREQUENCY-LOWERED SPEECH - Among other things, a sound processing device system is disclosed to assist a hearing-impaired human listener recognize speech sounds or phonemes. The device system may be configured at least to generate an output audio signal at least by transposing and causing a negative rank ordering of frequency of at least a portion of the input audio signal. Compression also may be performed on the at least the portion of the input audio signal as part of generating the output audio signal. The negative rank ordering may be performed on a high-frequency portion of the input audio signal that becomes a low-frequency portion of the output audio signal by the transposing. The low-frequency portion of the output audio signal may represent an inverted ordering of frequencies or frequency segments present in the high-frequency portion of the input audio signal. | 12-05-2013 |
| 20130336509 | FREQUENCY TRANSLATION IN HEARING ASSISTANCE DEVICES USING ADDITIVE SPECTRAL SYNTHESIS - Disclosed herein, among other things, is a system for frequency translation by high-frequency spectral envelope warping in hearing assistance devices. The present subject matter relates to improved speech intelligibility in a hearing assistance device using frequency translation by high-frequency spectral envelope warping. The system described herein implements an algorithm for performing frequency translation in an audio signal processing device for the purpose of improving perceived sound quality and speech intelligibility in an audio signal when presented using a system having reduced bandwidth relative to the original signal, or when presented to a hearing-impaired listener sensitive to only a reduced range of acoustic frequencies. | 12-19-2013 |
| 20140072155 | PERSONAL AUDIO SYSTEM AND METHOD - A suppressed carrier audio system can include a modulator having an input configured to receive an audio signal having audio content and configured to modulate the received audio signal onto an ultrasonic carrier to produce a modulated signal; a bandpass filter to receive the modulated signal and suppress or remove the carrier from the modulated signal, and further configured to pass a sideband of the modulated signal thereby creating a suppressed carrier signal; and a first ultrasonic transducer having an input coupled to receive the suppressed carrier signal, the ultrasonic transducer configured to emit the suppressed carrier signal in a direction toward an intended listener. The system can also include a demodulator having a signal generator configured to generate a carrier signal and a second ultrasonic transducer having an input coupled to receive the carrier signal and to emit the carrier signal in a direction toward the intended listener. | 03-13-2014 |
| 20140119583 | THRESHOLD-DERIVED FITTING METHOD FOR FREQUENCY TRANSLATION IN HEARING ASSISTANCE DEVICES - Disclosed herein, among other things, are apparatus and methods for a threshold-derived fitting rationale using frequency translation for hearing assistance devices. In various method embodiments, a first audiogram is received for a first hearing assistance device for a wearer, and a second audiogram is received for a second hearing assistance device for the wearer. The first audiogram and the second audiogram are compared to audiometric thresholds to determine if frequency translation should be enabled. | 05-01-2014 |
| 20140169600 | FREQUENCY TRANSLATION BY HIGH-FREQUENCY SPECTRAL ENVELOPE WARPING IN HEARING ASSISTANCE DEVICES - Disclosed herein, among other things, is a system for frequency translation by high-frequency spectral envelope warping in hearing assistance devices. The present subject matter relates to improved speech intelligibility in a hearing assistance device using frequency translation by high-frequency spectral envelope warping. The system described herein implements an algorithm for performing frequency translation in an audio signal processing device for the purpose of improving perceived sound quality and speech intelligibility in an audio signal when presented using a system having reduced bandwidth relative to the original signal, or when presented to a hearing-impaired listener sensitive to only a reduced range of acoustic frequencies. | 06-19-2014 |
| 20140169601 | HEARING INSTRUMENT - An audio system includes a headset and a portable computing device. The headset includes a first speaker and a first microphone, a second speaker, a second microphone and a processing unit. The first microphone and the second microphone output a first signal and a second signal, respectively. The processing unit combines the first electrical signal and the second electrical signal into a third electrical signal, and communicates the third electrical signal to a portable computing device through an output channel. The portable computing device preferably includes an application that separates the third electrical signal into the first electrical signal and the second electrical signal. The application compensates the first electrical signal and the second electrical signal for a hearing loss of an individual. | 06-19-2014 |
| 20140177887 | METHOD FOR EXTENDING A FREQUENCY RANGE OF AN INPUT SIGNAL OF A HEARING DEVICE AS WELL AS A HEARING DEVICE - The present invention is directed to a method and a hearing device for extending a usable frequency range of an analog input signal (i) being processed by a hearing device, the method comprising the steps of converting the analog input signal (i) to a first output signal (o | 06-26-2014 |
| 20140205119 | Modulation of Speech Signals - Methods, systems, and devices for processing an audio signal are provided. An example method includes mapping a fundamental frequency of an audio signal to a modulation frequency. An output of the mapping is less than the fundamental frequency when the fundamental frequency is greater than an intersection frequency. The intersection frequency is a frequency at which the output of the mapping is the fundamental frequency. | 07-24-2014 |
| 20140241556 | AUTOMATIC FSK TUNING CIRCUIT FOR A HEARING AID AND METHOD - An FSK transceiver for use in a hearing aid has means for automatic tuning of the transceiver frequency. The automatic tuning means comprises a phase difference detector and a tuning manager adapted to control the frequency of a resonant circuit of the FSK transceiver according to information received from the phase difference detector. The phase difference detector measures the phase difference across a component of the resonant circuit of the FSK transceiver. If the phase difference of a binary FSK symbol is equal to the phase difference of the opposite binary FSK symbol, the resonant circuit is tuned, otherwise the tuning manager performs a tuning procedure in order to minimize the difference in phase differences, and adjusts the frequency of the resonant circuit accordingly. | 08-28-2014 |
| 20140247956 | METHOD OF OPERATING A HEARING AID AND A HEARING AID - A method of processing a signal in a hearing aid ( | 09-04-2014 |
| 20140270289 | HEARING AID AND METHOD OF ENHANCING SPEECH OUTPUT IN REAL TIME - A method for enhancing speech output in real time is used in a hearing aid device. The input speech is divided into multiple audio segments first. Then each audio segment is analyzed for its attribute: high frequency, low frequency, or soundless. Low frequency segments are outputted without undergoing frequency processing. High frequency segments are outputted after undergoing frequency processing. All or some of the soundless segments are deleted without being outputted. The deletion of soundless segments can reduce the delay caused by the frequency processing of the high frequency segments. | 09-18-2014 |
| 20140270290 | HEARING AID APPARATUS - The present application is directed to a hearing aid apparatus for wearing use by a user, including a frontend sound collector configured to collect a frontend signal; a backend sound collector configured to collect a backend signal; and a sound processor configured to process the frontend signal and the backend signal; wherein the sound processor includes a frontend delayer configured to apply a delay coefficient to the frontend signal to produce a delayed frontend signal; a backend delayer configured to apply the delay coefficient to the backend signal to produce a delayed backend signal; and an adaptive filter configured to process the delayed frontend signal and the delayed backend signal to produce an adaptive filter output signal. | 09-18-2014 |
| 20140321683 | METHOD FOR CONTROLLING AN ADAPTATION INCREMENT AND HEARING APPARATUS - Feedback whistling and external tonal signals are distinguished during feedback suppression. For that purpose an adaptation increment of an adaptive filter of a hearing apparatus for feedback reduction is controlled. A sound signal is picked up by a microphone and a microphone signal is output, from which an earpiece signal for an earpiece is generated. An adaptive filter reduces a feedback signal in the microphone signal. To this end an autocorrelation value of sampled values of the microphone signal, between which a time difference exists, is obtained, and the adaptation increment of the adaptive filter is controlled based on the autocorrelation value. A frequency of an output signal obtained on the basis of the microphone signal is shifted while creating the earpiece signal and the time difference for obtaining the autocorrelation value is controlled as a function of the shifting of the frequency of the microphone signal. | 10-30-2014 |
| 20150043764 | HEARING AID DEVICE AND METHOD FOR FEEDBACK REDUCTION - A hearing aid device ( | 02-12-2015 |
| 20150092966 | METHOD OF SOUND PROCESSING IN A HEARING AID AND A HEARING AID - A method of processing sound in a hearing aid ( | 04-02-2015 |
| 20160088404 | SOUND SIGNAL AMPLITUDE SUPPRESSING APPARATUS - When, in conventional sound systems, signals of sounds collected by a microphone are amplified and the amplified signals are applied to an ear by an earphone and a headphone, too loud sounds and environmental noises are unpleasant, and the intelligibility of words are poor. Hence, such problems are to be addressed. In addition, downsizing and performance improvement for sound apparatuses are to be accomplished. A signal having undergone an amplitude limitation with reference to an output potential of a high cut filter | 03-24-2016 |
| 20160127840 | Signal Processing for Hearing Prostheses - A method includes programming a sound processor to apply frequency shifting on a stimulation signal to generate a frequency shifted stimulation signal. The frequency shifting depends on one or more of a decibel level of a received sound signal, a hearing loss level associated with generating the stimulation signal, attenuation of an output based on the frequency shifted stimulation signal, or operating a hearing prosthesis in a single sided mode or a bilateral mode. The method includes receiving a sound signal, generating the stimulation signal from the sound signal, applying the frequency shifting to the stimulation signal to generate the frequency shifted stimulation signal, and generating, by an actuator of the hearing prosthesis, the output based on the frequency shifted stimulation signal, wherein the output is configured to be perceived as sound. | 05-05-2016 |
| 20160150332 | A METHOD FOR OPERATING A HEARING DEVICE AS WELL AS A HEARING DEVICE - A method for operating a hearing device for a user having tinnitus includes converting an acoustic input signal into a corresponding converted input signal, applying a transfer function to the converted input signal for generating a processed input signal, generating a stimulation signal depending on characteristics of a perceived disturbing internal signal resulting from a tinnitus perceived by a prospective user of the hearing device, limiting the stimulation signal by applying a predefined limiting scheme thereby generating a limited stimulation signal, superimposing the limited stimulation signal onto the processed signal thereby generating an output signal, and feeding the output signal to an output transducer for generating a hearing device output signal. | 05-26-2016 |
| 20220141599 | Systems and Methods for Data Exchange Between Binaural Hearing Devices - An exemplary system comprises a first and second hearing device associated with a first and second ear of a user, respectively. The first hearing device is configured to detect a first audio signal representative of audio content, generate a first intermediate signal representation (ISR) corresponding to the first audio signal, the first ISR comprising a sparsely-encoded non-audio signal having a complexity measure that is below a threshold, and transmit the first ISR to the second hearing device. The second hearing device is configured to detect a second audio signal representative of the audio content, generate a second ISR corresponding to the second audio signal, and transmit the second ISR to the first hearing device. The first hearing device is further configured to generate, based on the first and second ISRs, an output audio signal, and provide the output audio signal to the first ear of the user. | 05-05-2022 |
