In one embodiment, an audio system can replace a portion of an audio signal within a first range of frequencies, with an amplitude modulated noise signal comprising frequencies within the first range of frequencies and having a volume envelope corresponding to a volume envelope of the audio signal within a second range of frequencies.

In one embodiment, an audio system can generate a parametrically formulated noise signal which can be mixed with an audio signal or acoustic signal. According to an embodiment, a parametrically formulated noise signal can be configured to have a power spectrum amplitude that is a function of frequency. According to an embodiment, a parametrically formulated noise signal can have a power spectrum amplitude across a range of frequencies that is a function of an individual's hearing thresholds across the range of frequencies.

An active medical device, including an input receiver configured to receive a frequency-varying input signal, and a functional component that reacts to the input signal and consumes power at a rate dependant on the frequency of portions of the input signal to which the functional component reacts, wherein the active medical device is configured to adjust one or more portions of the input signal corresponding to portions of the input signal where the functional component consumes power at a rate that is greater than that of other portions of the input signal.

A system and method of treating hyperacusis is presented. The system uses a customizable, patient-specific, in-ear device combining sound attenuation with loudness suppression and a noise generator to expand the dynamic range of a patient. This device is used with novel software and counseling to provide a patient-specific treatment to hypersensitivity to sound.

A smart hearing method in which an external processor is used in order to reduce the cost of a hearing aid, according to an embodiment of the present invention, comprises the steps of: determining an operation mode of a hearing aid; and when it is determined that the operation mode of the hearing aid corresponds to a test mode among a normal mode and the test mode, transmitting a received audio signal to a terminal other than the hearing aid.

A system and method of treating hyperacusis is presented. The system uses a customizable, patient-specific, in-ear device combining sound attenuation with loudness suppression and a noise generator to expand the dynamic range of a patient. This device is used with novel software and counseling to provide a patient-specific treatment to hypersensitivity to sound.

A hearing assistive device having an input transducer (18) for picking up sound from the environment, a digital signal processor (27) for alleviating a hearing loss of a specific user by compensating an audio signal according to the users hearing deficit, and an output transducer (29) for reproducing the compensated audio signal. The hearing assistive device further includes an integrated circuit component (40) having at least one analog-to-digital converter adapted for receiving an audio input signal from a microphone and providing a data output for signal processing. The at least one analog-to-digital converter includes an AC filter (50) preventing audible signal losses towards the microphone, and the AC filter (50) is provided with all components integrated in the integrated circuit component (40).

A hearing device includes a processor and a wireless transceiver operatively connected with the processor and configured to connect via a wireless link with a remote device and to exchange bi-directional audio packets with the remote device. The processor is configured to monitor an audio link quality and adapt a transmit power of the hearing device as a function of the audio link quality.

A system comprising a plurality of processing devices is arranged for performing an algorithm having a plurality of computational tasks. The plurality of processing devices are interconnected with each other. A control logic module is adapted to select an implementation of the algorithm among a plurality of implementations. At least a part of the control logic module resides in one of the processing devices and the implementation is selected according to at least one criterion of (latency requirements, computational power, resource availability, data locality, privacy requirements, precision requirements, hardware capabilities, distance, location, acoustical performance requirements, energy efficiency, orientation) and in the selected implementation the plurality of computational tasks of the algorithm is distributed over at least two of the processing devices.

A signal processing device, comprising a high band attenuation filter which attenuates a signal component in a bandwidth of frequency higher than at least a predetermined frequency in an audio signal that is input, and a hearing aid processor which performs hearing aid processing on a signal output from the high band attenuation filter, wherein the predetermined frequency is determined according to the upper limit of a target bandwidth of frequency for hearing aid.