Abstract: An audio device is disclosed. The audio device includes a microphone and an input filter bank configured to decompose a microphone input signal into a plurality of sub-band input signals. The audio device further includes a plurality of sub-band channels configured to process the plurality of sub-band input signals to generate a plurality of sub-band output signals, wherein each of the plurality of sub-band channels are configured to subtract a respective one of a plurality of sub-band estimated acoustic-feedback signals from a respective one of the plurality of sub-band input signals, and wherein each of a subset of the plurality of sub-band channels are configured to frequency shift a respective sub-band output signal relative to a corresponding sub-band input signal. Further, the audio device includes an output filter bank configured to construct an output signal based on the sub-band output signals, and a speaker configured to output an audible signal.

Abstract: Active noise cancellation systems, components, and methods are provided with single-source forward cancellation using a direction-dependent filter response.

Abstract: In one embodiment, a semiconductor device may include a controller that may be configured to receive an information signal from a detachable device wherein the information signal may be selectively representative of an output signal of the controller according to codes of the detachable device and to receive a sense input that may be representative of the output signal and to determine a code received from the detachable device according to a value of the sense signal and the information signal.

Abstract: In one embodiment, a personal amplification device may be configured to operate as a master and communicate to another personal amplification device that operates as a slave. The master may be configured to send signals to the slave device and control the slave device changing operation according to information sent in the sent signals.

Abstract: A remote control for programming a hearing instrument includes a housing and a mechanism associated with the housing for mechanically generating an acoustical pulse for effecting control of a hearing instrument. The remote control is passive. A hearing instrument system includes a hearing instrument having a microphone and programming, and the remote control. The programming is configured to interpret the acoustical pulse generated by the mechanism to effect control of the hearing instrument.

Abstract: A remote control for programming a hearing instrument includes a housing and a mechanism associated with the housing for mechanically generating an acoustical pulse for effecting control of a hearing instrument. The remote control is passive. A hearing instrument system includes a hearing instrument having a microphone and programming, and the remote control. The programming is configured to interpret the acoustical pulse generated by the mechanism to effect control of the hearing instrument.