Abstract: A computer-implemented method is provided for modifying a stimulation artefact in a measured electrical response of a subject to a stimulus. The method comprises: i) providing a first and a second signal. The first signal is a signal used as stimulus or a time-dependent signal derived from the stimulus and the second signal is a signal obtained as the measured electrical response to the stimulus; ii) determining a stimulus-response mapping between the first signal and the second signal; iii) identifying a feature of the determined stimulus-response mapping corresponding to the stimulation artefact; iv) determining a predicted electrical response corresponding to the identified feature of the determined stimulus-response mapping; and v) subtracting the predicted electrical response from the second signal to obtain a stimulation artefact modified measured electrical response.

Abstract: A method of estimating speech intelligibility is disclosed. The method comprises the steps of providing at least a first time-dependent signal derived from a first auditory stimulus and a corresponding first measured EEG response; comparing at least part of the first signal with at least part of the first measured EEG response in order to determine a signal-response latency difference; comparing the signal-response latency difference to a reference value; and deriving a measure of speech intelligibility based on the comparison of the signal-response latency difference and the reference value.

Abstract: Binaural hearing systems presented herein are configured to provide a recipient with magnified binaural cues. In certain embodiments, the techniques presented herein use static sideways beamforming with interaural magnification to capture and prepare sound signals for subsequent processing. That is, sound signals are captured at each of the binaural prostheses in accordance with a sideways directional pattern (e.g., directional patterns facing away from the head of the recipient). The sound signals captured with the sideways directional patterns, referred to as sideways directional signals, are then used to perform interaural magnification. In other embodiments, the techniques presented herein use constrained adaptive beamformers to capture sound signals for subsequent processing.

Abstract: A prosthetic system, comprising a first sub-system configured to evoke a hearing percept based on a first principle of operation, and a second sub-system configured to evoke a hearing percept based on at least one of the first principle of operation or a second principle of operation different from the first principle of operation, wherein the first and second sub-systems are configured to independently process respective inputs indicative of an ambient sound to harmonize an estimated recipient perception of magnitude of a property of the respective evoked hearing percepts.

Abstract: A prosthetic system, comprising a first sub-system configured to evoke a hearing percept based on a first principle of operation, and a second sub-system configured to evoke a hearing percept based on at least one of the first principle of operation or a second principle of operation different from the first principle of operation, wherein the first and second sub-systems are configured to independently process respective inputs indicative of an ambient sound to harmonize an estimated recipient perception of magnitude of a property of the respective evoked hearing percepts.

Abstract: A prosthetic system, comprising a first sub-system configured to evoke a hearing percept based on a first principle of operation, and a second sub-system configured to evoke a hearing percept based on at least one of the first principle of operation or a second principle of operation different from the first principle of operation, wherein the first and second sub-systems are configured to independently process respective inputs indicative of an ambient sound to harmonize an estimated recipient perception of magnitude of a property of the respective evoked hearing percepts.

Abstract: A prosthetic system, comprising a first sub-system configured to evoke a hearing percept based on a first principle of operation, and a second sub-system configured to evoke a hearing percept based on at least one of the first principle of operation or a second principle of operation different from the first principle of operation, wherein the first and second sub-systems are configured to independently process respective inputs indicative of an ambient sound to harmonize an estimated recipient perception of magnitude of a property of the respective evoked hearing percepts.

Abstract: Aspects of the present invention are generally directed to a modulation enhancement strategy that helps improve ITD perception by explicitly modulating the electrical stimulation signal. In an embodiment, the timing of the applied modulations is based on amplitude inflections (i.e., peaks or troughs) in the received sound signal. In an embodiment, the identified inflections (i.e., peaks or troughs) represent the most energetic portions of the signal over a particular time period (e.g., the time period prior to the inflection having a length equal to the expected fundamental period of the signal. Further, in an embodiment, the cochlear implant applies a delay to the stimulation signal to help maintain interaural timing cues. The application of this delay helps account for the traveling wave delay in the acoustic path of the opposite ear in embodiments in which the opposite ear is fitted with a hearing aid or is not fitted with a hearing device.

Abstract: A prosthetic system, comprising a first sub-system configured to evoke a hearing percept based on a first principle of operation, and a second sub-system configured to evoke a hearing percept based on at least one of the first principle of operation or a second principle of operation different from the first principle of operation, wherein the first and second sub-systems are configured to independently process respective inputs indicative of an ambient sound to harmonize an estimated recipient perception of magnitude of a property of the respective evoked hearing percepts.

Abstract: Disclosed is a method and system for allowing a recipient of a hearing aid device, and in one aspect, a bilateral hearing aid system, to locate the source of a sound signal about the recipient. The method uses localization cues in the sound signal and modifies these to provide useable localization cues to generate a stimulating signal for application to the recipient. In one example, a detected localization cue such as an interaural level difference (ILD) is transposed to a lower frequency.

Abstract: Aspects of the present invention are generally directed to a modulation enhancement strategy that helps improve ITD perception by explicitly modulating the electrical stimulation signal. In an embodiment, the timing of the applied modulations is based on amplitude inflections (i.e., peaks or troughs) in the received sound signal. In an embodiment, the identified inflections (i.e., peaks or troughs) represent the most energetic portions of the signal over a particular time period (e.g., the time period prior to the inflection having a length equal to the expected fundamental period of the signal. Further, in an embodiment, the cochlear implant applies a delay to the stimulation signal to help maintain interaural timing cues. The application of this delay helps account for the traveling wave delay in the acoustic path of the opposite ear in embodiments in which the opposite ear is fitted with a hearing aid or is not fitted with a hearing device.

Abstract: Disclosed is a method and system for allowing a recipient of a hearing aid device, and in one aspect, a bilateral hearing aid system, to locate the source of a sound signal about the recipient. The method uses localisation cues in the sound signal and modifies these to provide useable localisation cues to generate a stimulating signal for application to the recipient. In one example, a detected localisation cue such as an interaural level difference (ILD) is transposed to a lower frequency.