Method for Attenuating Interfering Noise and Corresponding Hearing device
AssigneeSiemens Audiologische Technik GmbH
InventorEghart Fischer
Life of this patent
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Abstract
Transient interfering sounds are to have a less disturbing effect in hearing devices. For this purpose, it is provided that an envelope curve of an input signal of a hearing device, particularly of a hearing aid, is detected. The slope and/or the height of edges of the envelope curve is continuously determined. The output signal of the hearing device is then attenuated in dependence on the slope and/or height of the respective edge determined. Transient sounds of high level are thus transmitted only in an attenuated manner by the hearing device.
Claims21
1-10. (canceled)
A method for attenuating interfering noise in a hearing device, comprising:
- detecting an envelope curve of an input signal;
- determining a slope and a height of an edge of the envelope curve;
- and
- attenuating an output signal of the hearing device based on the determined slope and height,
- wherein the level of the output signal is only lowered in the immediate vicinity of a next zero transition of the input signal.
A method for attenuating interfering noise in a hearing device, comprising:
- detecting an envelope curve of an input signal;
- determining a slope and a height of an edge of the envelope curve;
- and
- attenuating an output signal of the hearing device based on the determined slope and height,
- wherein the attenuating is limited based on an instantaneous or mean level of the output signal of the hearing device.
A hearing device, comprising:
- a detecting device detects an envelope curve of an input signal;
- a data processing device determines a slope and a height of an edge of the envelope curve;
- and
- an attenuating device attenuates an output signal of the hearing device based on the determined slope and height,
- wherein the level of the output signal is only lowered in the immediate vicinity of a next zero transition of the input signal.
A hearing device, comprising:
- a detecting device detects an envelope curve of an input signal;
- a data processing device determines a slope and a height of an edge of the envelope curve;
- and
- an attenuating device attenuates an output signal of the hearing device based on the determined slope and height,
- wherein the attenuating is limited based on an instantaneous or mean level of the output signal of the hearing device.
Dependencies are inferred from the claim text.