A computer-implemented method for generating a test set for testing a subject using a computer system comprising logic-based processing circuitry is provided. The method includes the step of selecting one or more features from among a plurality of features, wherein a measurable effect on the subject of each feature selected is based on a predetermined threshold. The method also includes generating one or more classes of stimuli based on the selected features. The method further includes selecting stimuli from one or more of said classes for presenting to the subject.

Hearing assistance systems, devices and methods including obtaining, by the device, multiple brain and bio-signals indicative of the auditory and visual attentional focus of the user, obtaining a mixed sound signal from multiple sound sources and applying, by the device, speech-separation and enhancement processing to the mixed sound signal to derive a plurality of separated signals that each contains signals corresponding to different groups of the multiple sound sources, and selecting one of the pluralities of separated signals either solely based on the obtained brain signals, or on a combination of bio-signals, including but not limited to eye gaze direction, head, neck and trunk orientation, etc. The separated signals may then be processed (i.e., amplified, attenuated) based on the needs of the user.

An auditory neural interface device for sound perception by an individual that may be used as a hearing aid. The auditory neural interface device includes a receiver configured to receive sound signals, a processor operably connected to the receiver and configured to encode a received sound signal as a multi-channel neurostimulation signal, and a neurostimulation device operably connected to the processor and configured to apply the multi-channel neurostimulation signal to a neurostimulation electrode of the individual. The neurostimulation signal is configured to directly stimulate afferent sensory neurons of the central nervous system of the individual and thereby to elicit, for each channel of the neurostimulation signal, one or more non-auditory, preferably somatosensory, perceptions in a cortex area of the individual. Each channel of the neurostimulation signal is associated with a different non-auditory perception.

A system is disclosed for configuring a hearing device. The system includes an audiogram processing component arranged to process image data indicative of an image of an audiogram associated with a person so as to produce audiogram data indicative of the audiogram, and a hearing device configuration component arranged to produce hearing device configuration data based on the audiogram data. The configuration data is indicative of configuration settings for a hearing device that will cause the hearing device to assist the hearing of the person.

A pair of binaural hearing devices can dynamically assess and select a channel from a plurality of frequency channels suitable for ear-to-ear communication with each other. In various embodiments, the hearing aids can each initiate a channel assessment by calibrating a channel quality threshold and transmitting a packet including the channel quality threshold to the other hearing aid. The other hearing aid can then receive the packet, measure the quality parameter on the packet, and compare the measured value of the quality parameter to the received channel quality threshold to determine whether the channel is suitable for the ear-to-ear communication.

A user is allowed to three-dimensionally recognize environment change and noise change corresponding to the sound directionality of the left and right sides through a control parameter that is set by analyzing an audio signal received from a first smart hearing device formed on one side and a second smart hearing device formed on an opposite side.

A hearing system includes a pair of first and second hearing devices wirelessly coupled to a remote device that includes a microphone. One or more gains can each be calculated as a function of a first microphone signal received from the first hearing device, a second microphone signal received from the second hearing device, and a remote microphone signal received from the remote device. The function can be designed to improve speech intelligibility in a noisy environment. The one or more gains are applied to the first and second microphone signals to produce output sounds by the first and second hearing devices.

A hearing aid is configured to be worn in and/or at an ear of a user, and comprises a) an input transducer for converting an input sound to an electric input signal representing sound, b) an output transducer for converting a processed electric output signal to an output sound, c) a signal processor operationally coupled to the input and output transducers and configured to apply a forward gain to the electric input signal or a signal originating therefrom, wherein the input transducer, the signal processor and the output transducer forming part of a forward path of the hearing aid. The hearing aid further comprises d) a feedback control system for compensating for acoustic or mechanical feedback of an external feedback path from the output transducer to the input transducer, wherein the feedback control system comprises i) a feedback estimation unit for providing a feedback estimate signal of said external feedback path, ii) a combination unit located in the forward path for combining the electric input signal or a signal derived therefrom and the feedback signal detected by said estimation unit, to provide a resulting feedback corrected signal, iii) a correlation detection unit configured to determine a correlation measure between said feedback corrected signal and said output signal, said correlation detection unit further configured to provide a processed version of said correlation measure.

An electronic device and a sound signal processing method for improving sound perception of a hearing-impaired user are provided. The electronic device of the present disclosure includes a sound input unit comprising sound input circuitry configured to detect a sound and to convert the sound into a first sound signal and a processor which is electrically connected to the sound input unit, the processor configured to receive the first sound signal and to perform a predetermined signal processing on the first sound signal to generate a second sound signal, wherein the signal processing includes detecting a frequency band with a level equal to or greater than a predetermined value in a first frequency band above a predetermined cutoff frequency of the first sound signal, generating harmonic signals including a plurality of frequency bins that are identical in level with a signal in the detected frequency band, and overlapping the harmonic signals with the first sound signal.

A method for speech equalization, comprising the steps of receiving an input audio signal, processing said input audio signal in dependence on frequency and to providing an equalized electric audio signal according to an equalization function, wherein said equalization function comprises at least an actuator part configured to dynamically applying a compensation filter to the received input signal and dynamically applying a transparent filter to the received input signal, and further transmitting an output signal perceivable by a user as sound representative of said electric acoustic input signal or a processed version thereof.