Abstract: A hearing aid tailored to a hard-of-hearing person is designed using sampled-data control theory. The method is for designing an audio signal processing system for a hearing aid, wherein the system comprises an AD converter for converting an analog audio input signal (yc) inputted to the hearing aid into a digital audio input signal, a hearing aid digital filter (K(z)) for performing a signal processing on the digital audio input signal outputted from the AD converter, and a DA converter for converting a digital signal outputted from the hearing aid digital filter into an analog audio output signal to be outputted to the hard-of-hearing person.

Abstract: A method for operating a hearing device comprising an input transducer (1), an output transducer (3) and a signal processing unit (2) for processing an output signal of the input transducer (1) to obtain an input signal for the output transducer (3) by applying a transfer function to the output signal of the input transducer (1) is disclosed. The method comprises the steps of: extracting features (fv) of the output signal of the input transducer (1), classifying the extracted features (fv) by at least two classifying experts (E1, . . . , Ek), weighting the outputs of the at least two classifying experts (E1, . . . , Ek) by a weight vector (w) in order to obtain a classifier output (co), adjusting at least some parameters of the transfer function in accordance with the classifier output (co), monitoring a user feedback (uf) that is received by the hearing device, and updating the weight vector (w) and/or one of the at least two classifying experts (E1, . . . , Ek) in accordance with the user feedback (uf).

Abstract: 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.

Abstract: 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.

Abstract: A human body sound transmission apparatus and method for minimizing a signal loss are disclosed. The human body sound transmission apparatus includes: an audio signal transmission unit modulating an audio signal desired to be transmitted, and transmitting the modulated audio signal to the vicinity of a user's ear through the human body (i.e., a user's body); and a carrier wave signal transmission unit transmitting a carrier wave signal for demodulating the modulated audio signal to the vicinity of the user's ear through the air.

Abstract: An calibrated hearing-aid tuning appliance includes a hearing-aid interface for programming settings of a hearing aid worn by a user. The appliance also includes a calibrated audio output subsystem including an audio interface, an audio amplifier, and a calibrated speaker. The audio output subsystem can consistently propagate sound waves having frequency response, sound pressure level, and distortion characteristics within predetermined tolerances. A memory stores pre-recorded sound files and programming instructions for heuristically tuning the hearing-aid. When the programming instructions are communicated to a CPU for execution via a CPU interface, the appliance automatically selects at least one of the pre-recorded sound files; automatically reproduces the selected sound files via the calibrated audio output subsystem; collects feedback from the user based on the sound files thereby reproduced; and automatically adjusts one or more of the settings based on the user's feedback.

Abstract: A hearing apparatus and in particular a hearing device is to be provided, in which interference noises are to be reduced however as natural an acoustic image as possible is consequently retained. To this end, a hearing apparatus with a first signal processing channel, into which a noise reduction device is integrated and a second signal processing channel, which has the same input as the first signal processing channel and into which no noise reduction device, but instead a level limitation device is integrated, is proposed. An adding device adds the output signals of both signal processing channels to form an overall output signal. A passive input level-dependent noise reduction can thus be realized, with which quiet signals can be heard again despite the noise reduction.

Abstract: 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.

Abstract: 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.

Abstract: The invention relates to a hearing aid with at least one sound receiver and a sound generator. The hearing aid has an audio signal unit operatively connected to the sound generator, the audio signal unit being designed to generate an audio signal perceptible to a human ear. The audio signal has a plurality of mutually different frequencies of a frequency range. The audio signal unit has at least one tone generator. The at least one tone generator is designed to generate the audio signal with at least one fundamental frequency representing a tone and with harmonics of the fundamental frequency.

Abstract: A hearing aid is provided which has at least one input transducer for providing an input signal, at least one signal processing channel receiving at least a portion of said input signal, a hearing aid processor for processing said portion of said input signal to produce at least one output signal, an output transducer responsive to said output signal, and a data logger receiving said portion of said input signal for logging of input signal data. The data logger comprises a characterization unit for characterising and logging parameters of the input signal data, and a memory unit for storing said parameters.

Abstract: A method for providing hearing assistance to a user, comprising capturing audio signals by a microphone arrangement; measuring at least one mechanical parameter; selecting an audio signal processing scheme according to the measured at least one mechanical parameter; processing, by a signal processing unit, the captured audio signals according to the selected audio signal processing scheme; transmitting the processed audio signals to stimulating means worn at or in at least one of the user's ears via a wireless audio link; and stimulating the user's hearing by said stimulating means according to the processed audio signals.

Abstract: A method of processes audio signals picked up from a sound field by a microphone system of a listening device adapted for being worn at a particular one of the left or right ear of a user, the sound field comprising sound signals from one or more sound sources, the sound signals impinging on the user from one or more directions relative to the user. Information about a user's Ear, Head, and Torso Geometry and the user's hearing ability in combination with knowledge of the spectral profile and location of current sound sources provide the means for deciding upon which frequency bands that, at a given time, contribute most to the BEE seen by the listener or the Hearing Instrument. For a given sound source, a number of donor frequency bands is determined at a given time, where an SNR-measure for the selected signal is above a predefined threshold.

Abstract: A pre-coding method for improving diversity gain in an Orthogonal Frequency Division Multiplexing (OFDM) system and a transmission apparatus and method are disclosed. The transmission method includes converting an input transmission signal into parallel signals, pre-coding the parallel signals with a predetermined frequency offset, performing Inverse Discrete Fourier Transform (IDFT) on the pre-coded signals, and up-converting the IDFT signals and outputting the up-converted signals to a wireless network. By performing pre-coding on a transmission signal with a frequency offset in an OFDM system, diversity gain can be improved.

Abstract: A hearing aid includes a microphone to convert sounds into electrical signals and a memory to store a plurality of voice prints and a plurality of sound-shaping instructions. Each of the plurality of sound-shaping instructions is associated with one of the plurality of voice prints. The hearing aid further includes a processor coupled to the microphone and the memory. The processor is configured to compare at least one sample from the electrical signals to the plurality of voice prints to identify a voice print. The processor selects sound-shaping instructions associated with the voice print and applies the sound-shaping instructions to selectively shape a portion of the electrical signals corresponding to the voice print to produce a shaped signal. The hearing aid further includes a speaker coupled to the processor and configured to reproduce the shaped signal as an audible output.

Abstract: 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.

Abstract: The invention relates to a receiver system for an otological device. The receiver system has an oscillation receiver to receive a carrier signal with a carrier frequency. The receiver system is designed to change a receive frequency for the carrier signal. The receiver system has a frequency regulator which is designed to at least indirectly register the receive frequency and to change the receive frequency for the carrier signal to a predetermined receive frequency and to set it to the predetermined receive frequency. The frequency regulator is connected to the oscillation receiver at least at least indirectly and is designed to generate an excitation signal and to excite the oscillation receiver to oscillate by means of the excitation signal and thus to generate a response oscillation with a response frequency. The frequency regulator is also designed to ascertain the receive frequency depending on the response oscillation.

Abstract: A method of adjusting frequency-dependent amplification in an audio amplification apparatus. The audio amplification apparatus includes a forward transfer path (2) connectable to an output transducer, the forward transfer path including a frequency transposing element. The method includes the steps of: presenting stimuli to the output transducer at a plurality of frequencies; adjusting the stimulus level (C) at each frequency to meet a predefined loudness perception level or detection threshold of the listener; deriving an equal loudness contour of output transducer levels from the adjusted stimuli levels; and deriving the frequency-dependent amplification of levels of input signals (I) at each frequency.

Abstract: The present disclosure includes methods, devices, and systems for cochlear implants. One method embodiment for cochlear implant signal processing includes processing a differential analog audio signal using amplitude modulation and pulse-width modulation. The method includes driving a transmission coil on an external unit of the cochlear implant with the pulse-width and amplitude modulated signal. The method also includes driving a reception coil on an internal unit of the cochlear implant with an output of the transmission coil.

Abstract: A method for improving compatibility of a hearing aid with an antenna, in which at least a metal frame is provided near by a grounding surface of the antenna to change the direction of radiation of the antenna, thereby to enhance the directivity of the antenna on the side away from a hearing aid, and to reduce the quantity of radiation proceeding toward the hearing aid and to improve the near-field quantity (for about 3 dB) of an electric field of an HAC tested plane. This method can further increase the heights of the metal frames to reduce the near-field quantity of the electric field of HAC (hearing aid compatibility) tested plane.

Abstract: A hearing device includes an input transducer positionable at an ear of a user for converting an acoustic input to the hearing device into an input signal, and a filter providing a source signal based on a source band of the input signal and for providing a target signal based on a target band of the input signal. The source band contains lower frequencies than the target band. A modulation envelope processor processes the source signal to generate a modulation envelope signal. A signal combiner combines the modulation envelope signal with the target signal from the target band, generating a target output signal. The hearing device may also include a signal processor for processing at least the target output signal and providing a processed output signal, and an output transducer for converting the processed output signal into an acoustic output to be provided to the ear of the user.

Abstract: A filter apparatus for filtering a time domain input signal to obtain a time domain output signal, which is a representation of the time domain input signal filtered using a filter characteristic having an non-uniform amplitude/frequency characteristic, comprises a complex analysis filter bank for generating a plurality of complex subband signals from the time domain input signals, a plurality of intermediate filters, wherein at least one of the intermediate filters of the plurality of the intermediate filters has a non-uniform amplitude/frequency characteristic, wherein the plurality of intermediate filters have a shorter impulse response compared to an impulse response of a filter having the filter characteristic, and wherein the non-uniform amplitude/frequency characteristics of the plurality of intermediate filters together represent the non-uniform filter characteristic, and a complex synthesis filter bank for synthesizing the output of the intermediate filters to obtain the time domain output signal.

Abstract: The invention relates to wireless communication between listening devices, in particular to a hearing aid system comprising a hearing instrument and a telephone apparatus. The invention further relates to a method of receiving a telephone call and to the use of a hearing aid system. The object of the present invention is to provide a relatively simple, reliable scheme for receiving a telephone call in a hearing instrument. The problem is solved in that the telephone apparatus comprises a transmitter for establishing a short range digital, low-power link to a hearing instrument comprising a corresponding receiver. This has the advantage of providing a relatively simple and low power solution, where at least the incoming part of a telephone conversation is wirelessly transmitted via a low-power link. The invention may e.g.

Abstract: A method for determining a maximum gain is disclosed that is applicable in a forward signal path starting at a microphone (1) and ending at a receiver (11) of a hearing device, the maximum gain being a gain value at which just no feedback occurs. The method comprising the steps of estimating a estimated feedback transfer function (F?) characterizing a feedback signal path (15) starting at a receiver (11) and ending at a microphone (1) of the hearing device, while the hearing device is inserted into an ear of a hearing device user, and adapting the estimated feedback transfer function (F?) as a result of a changing feedback signal path (15) by applying an adaptive algorithm. The invention is characterized by determining the maximum gain from the estimated feedback transfer function (F?), in particular by coefficients of the estimated feedback transfer function.

Abstract: 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.

Abstract: 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.

Abstract: Systems, apparatus, and techniques are described to perform operations including receiving speech that includes audio signals from a talker. A fundamental frequency, unique to the talker, is extracted from the audio signals. A tone in frequency with the extracted fundamental frequency of the received speech is modulated and the modulated tone is delivered to an audio transducing device.

Abstract: To enable hearing apparatus feedback to be reliably detected, it is provided that the hearing apparatus has an analyzer for analyzing the resonant behavior of the overall system as a function of a modification of the signal processing device and for determining from the analysis result a feedback variable constituting a measure of the feedback. On the basis of the feedback variable, an adaptive compensation filter, for example, can then be step-size-controlled to compensate the feedback.

Abstract: An audio processing device includes a) an input unit for converting a time domain input signal to a number NI of input frequency bands and b) an output unit for converting a number NO of output frequency bands to a time domain output signal. A signal processing unit processes the input signal in a number NP of processing channels, smaller than the number NI of input frequency bands. A frequency band allocation unit allocates input frequency bands to processing channels. A frequency band redistribution unit redistributes processing channels to output frequency bands, and a control unit dynamically controls the allocation of input frequency bands to processing channels and the redistribution of processing channels to output frequency bands.

Abstract: 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.

Abstract: A speech enhancement system that improves the intelligibility and the perceived quality of processed speech includes a frequency transformer and a spectral compressor. The frequency transformer converts speech signals from the time domain to the frequency domain. The spectral compressor compresses a pre-selected portion of the high frequency band and maps the compressed high frequency band to a lower band limited frequency range. The speech enhancement system may be built into, may be a unitary part of, or may be configured to interface other systems that process audio or high frequency signals.

Abstract: The invention relates to a method and an apparatus for the configuration of at least one adjustment option on a hearing device, with the hearing device wearer having the task of setting the hearing device by ear with the aid of the adjustment option to be configured such that a predetermined characteristic on the hearing device is adjusted, with the adjustment option being enabled if the characteristics set by the hearing device wearer equate to the predetermined characteristics or has deviations herefrom, which lie within a predetermined tolerance range.

Abstract: An exemplary system and method are directed at receiving an audio signal and process the audio signal into a remapped audio signal based on a plot profile. The plot profile may include at least one of an identified range of audio frequencies. The processing may comprise retrieving an identified range of audio frequencies from the plot profile; determining a range of impaired audio frequencies in the audio signal based on the identified range of audio frequencies; shifting the frequency of at least a portion of the impaired audio frequencies to outside of the identified range; and continuing to retrieve identified ranges of audio frequencies from the plot profile. The shifting of the impaired audio frequencies of the audio signal may be performed until no further identified ranges of audio frequencies are available for consideration.

Abstract: A system for adapting a hearing aid to a user includes a unit generating an image of the user's ear together with a model of the hearing aid, wherein the model of the hearing aid in-situ includes a physical model of the hearing aid inserted in the user's ear prior to generating the image. The system also generates a mesh based on the image, calculates acoustic response to a simulated acoustic signal in the mesh, calculates a frequency response curve for a fixed position in the mesh, and identifies an optimal position of a microphone of the hearing aid in-situ from the acoustic response. They system also includes a comparator configured to compare the frequency response curve for the fixed position in the mesh with a maximum frequency response curve for the mesh stored by the system.

Abstract: 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.

Abstract: A hearing aid with a communication circuit for wireless communication, the circuit includes a receiver for reception of data, and a communication controller that is configured for determining a delay between a receiver activation and an actual start of reception of data, and adjusting a next receiver activation in accordance with the determined delay.

Abstract: 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.

Abstract: A speech enhancement system that improves the intelligibility and the perceived quality of processed speech includes a frequency transformer and a spectral compressor. The frequency transformer converts speech signals from the time domain to the frequency domain. The spectral compressor compresses a pre-selected portion of the high frequency band and maps the compressed high frequency band to a lower band limited frequency range.

Abstract: A hearing aid contains a microphone detecting an acoustic input signal and converts it to an electrical output signal, a receiver producing an acoustic output signal being dependent on an electrical output signal of the microphone, and a transmitter transmitting a monitoring signal, which is dependent on the electrical output signal. A transceiver contains a receiver for receiving the monitoring signal, and a signal processing device for processing the monitoring signal. The signal processing device processes the monitoring signal to produce an indication signal which is acoustically restricted with respect to the monitoring signal such that it simulates a restricted hearing capability of a person, or which indicates an operating/signal state of the hearing aid. The transmission of the monitoring signal to the transceiver and the processing to form the indication signal provides information about the state of the hearing aid for monitoring of the hearing aid.

Abstract: 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.

Abstract: There is provided hearing device improvements using modulation techniques adapted to the characteristics of auditory and vestibular hearing. One embodiment provides for extending hearing to the infrasonic range by extracting sounds from the high ambient noise in this range and applying them to a carrier in the ultrasonic “quiet zone.” Further extension of hearing into the ultrasonic range is provided by a modulation scheme which uses a fluid conduction coupler to match impedance for a vibration transducer applied to the skin. A variation on this embodiment integrates this ultrasonic hearing extension with normal acoustic headphones. Another embodiment compensates for high frequency hearing loss by a modulation scheme which uses middle ear resonance as an amplifier. A further embodiment combines ultrasonic transposition with wireless modulation to obtain secure communication.

Abstract: This invention relates to a system (100) and method for synthesizing an audio input signal of a hearing device. The system (100) comprises a microphone unit (102) for converting the audio input signal to an electric signal, a filter unit (110) for removing a selected frequency band of the electric signal and pass a filtered signal, a synthesizer unit (118) for synthesizing the selected frequency band of the electric signal based on the filtered signal thereby generating a synthesized signal, a combiner unit (120) for combining the filtered signal and the synthesized signal so as to generate a combined signal, and finally an output unit (122, 124, 126) for converting the combined signal to an audio output signal.

Abstract: A method of wireless communication between hearing aid devices of a hearing prosthesis. A first device selects a frequency channel for bidirectional wireless communication from a predefined series of frequency channels. A second device transmits a command signal repeatedly over the series of frequency channels until it transmits the command signal over the frequency channel selected by the first device. Subsequent commands send by the second device to the first device are initially transmitted over the selected frequency channel.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Methods, devices and systems for improving hearing and for treating hearing disorders, such as auditory neuropathies. A hearing enhancement system of this invention generally comprises; an amplitude modulation processor, a frequency high-pass processor, a frequency upward-shifting processor and a formant upward-shifting processor.

Abstract: A method for manufacturing an acoustical device, especially a hearing device. A device casing is provided with an acoustical/electrical input converter arrangement with an electric output. An audio signal processing unit establishes audio signal processing of the device according to individual needs and/or purpose of the device. At least one electrical/mechanical output converter is provided. A filter arrangement with adjustable high-pass characteristic has a control input for the characteristic. The following operational connections are established: between the output of the input converter arrangement and the input of the filter arrangement, between the output of the filter arrangement and the control input, between said output of the filter arrangement and the input of the processing unit, between the output of the processing unit and the input of the at least once output converter.