Abstract: A power dongle for a hearing aid includes conductive wires, each wire having a computing device end and a hearing aid end. A first connector is connected to the computing device end of each of the plurality of conductive wires to releasbly couple to an input/output port of the computing device and a second connector is connected to the hearing aid end of each of the plurality of conductive wires to releasably couple to an interface of the hearing aid, the second connector configured to deliver at least one of a first power supply and an audio signal from the computing device to the interface of the hearing aid.

Abstract: A power dongle for a hearing aid includes conductive wires, each wire having a computing device end and a hearing aid end. A first connector is connected to the computing device end of each of the plurality of conductive wires to releasbly couple to an input/output port of the computing device and a second connector is connected to the hearing aid end of each of the plurality of conductive wires to releasably couple to an interface of the hearing aid, the second connector configured to deliver at least one of a first power supply and an audio signal from the computing device to the interface of the hearing aid.

Abstract: A power dongle for a hearing aid includes conductive wires, each wire having a computing device end and a hearing aid end. A first connector is connected to the computing device end of each of the plurality of conductive wires to releasably couple to an input/output port of the computing device and a second connector is connected to the hearing aid end of each of the plurality of conductive wires to releasably couple to an interface of the hearing aid, the second connector configured to deliver at least one of a first power supply and an audio signal from the computing device to the interface of the hearing aid.

Abstract: A system for establishing a communication to communicate with a hearing health professional, providing data related to hearing aid settings to the hearing health professional, receiving a hearing aid profile in response to providing the data, and providing the hearing aid profile to a hearing aid through a second communication link.

Abstract: A power dongle for a hearing aid includes conductive wires, each wire having a computing device end and a hearing aid end. A first connector is connected to the computing device end of each of the plurality of conductive wires to releasably couple to an input/output port of the computing device and a second connector is connected to the hearing aid end of each of the plurality of conductive wires to releasably couple to an interface of the hearing aid, the second connector configured to deliver at least one of a first power supply and an audio signal from the computing device to the interface of the hearing aid.

Abstract: A power dongle for a hearing aid includes conductive wires, each wire having a computing device end and a hearing aid end. A first connector is connected to the computing device end of each of the plurality of conductive wires to releasably couple to an input/output port of the computing device and a second connector is connected to the hearing aid end of each of the plurality of conductive wires to releasably couple to an interface of the hearing aid, the second connector configured to deliver at least one of a first power supply and an audio signal from the computing device to the interface of the hearing aid.

Abstract: A power dongle for a hearing aid includes conductive wires, each wire having a computing device end and a hearing aid end. A first connector is connected to the computing device end of each of the plurality of conductive wires to releasably couple to an input/output port of the computing device and a second connector is connected to the hearing aid end of each of the plurality of conductive wires to releasably couple to an interface of the hearing aid, the second connector configured to deliver at least one of a first power supply and an audio signal from the computing device to the interface of the hearing aid.

Abstract: A power dongle for a hearing aid includes conductive wires, each wire having a computing device end and a hearing aid end. A first connector is connected to the computing device end of each of the plurality of conductive wires to releasably couple to an input/output port of the computing device and a second connector is connected to the hearing aid end of each of the plurality of conductive wires to releasably couple to an interface of the hearing aid, the second connector configured to deliver at least one of a first power supply and an audio signal from the computing device to the interface of the hearing aid.

Abstract: In a particular embodiment, a method of producing a powered device detection signature includes rectifying a device detection input received from a powered network to produce a rectified detection input at a powered device. The method further includes applying the rectified detection input to a signature resistor and to a variable impedance circuit in parallel with the signature resistor to produce a device signature that is substantially constant over a power range associated with the device detection input.

Abstract: A portable tone generator includes a connector configurable to couple to an input/output port of a computing device, a memory configured to store data corresponding to a plurality of frequencies, and an output interface configurable to couple to a speaker system. The portable tone generator further includes tone generating circuitry coupled to the input interface, the output interface, and the memory. The tone generating circuitry is configured to receive a control signal from the computing device identifying a selected frequency of the plurality of frequencies, retrieve the data corresponding to the selected frequency, produce an output signal including a tone based on the data in response to receiving the control signal, and provide the output signal to the output interface.

Abstract: A method includes receiving a data at a hearing aid during operation of the hearing aid and selectively updating a hearing aid profile in response to receiving the data to produce a modified hearing aid profile. The method further includes applying the modified hearing aid profile using a processor of the hearing aid to shape an audio output.

Abstract: A portable electronic device includes a transceiver configurable to communicate with a hearing aid through a radio frequency (RF) communication channel and a memory configured to store a plurality of hearing aid profiles executable by a digital signal processor of the hearing aid to shape audio signals to compensate for a user's hearing deficiency. The portable electronic device further includes a circuit configured to receive a selection corresponding to a selected one of the plurality of hearing aid profiles and to provide the selected one to the hearing aid in response to receiving the selection.

Abstract: A multi-mode hearing aid includes a processor that is configured to selectively apply different hearing aid profiles to different input signals, such as a first sound signal received from a microphone and a second sound signal received from a transceiver, to produce first and second shaped output signals. The processor is configured to produce an output signal including at least one of the first shaped output signal and the second shaped output signal.

Abstract: A power dongle for a hearing aid includes conductive wires, each wire having a computing device end and a hearing aid end. A first connector is connected to the computing device end of each of the plurality of conductive wires to releasably couple to an input/output port of the computing device and a second connector is connected to the hearing aid end of each of the plurality of conductive wires to releasably couple to an interface of the hearing aid, the second connector configured to deliver at least one of a first power supply and an audio signal from the computing device to the interface of the hearing aid.

Abstract: A hearing aid includes a microphone to convert sounds into electrical signals, a transceiver configured to communicate with a computing device through a wireless communication channel, and a processor coupled to the microphone and the transceiver. The hearing aid further includes a memory accessible to the processor and configured to store a table including plurality of hearing aid profile identifiers (IDs). Each of the plurality of hearing aid profile IDs corresponds to a respective one of a plurality of hearing aid profiles. The memory stores instructions that, when executed by the processor cause the processor to identify a hearing aid profile ID from the table based on a sound sample, retrieve a hearing aid profile from the computing device using the hearing aid profile ID, and apply the hearing aid profile to modulate an audio output signal.

Abstract: A method is disclosed that includes receiving a classification voltage at a powered device from a network. The classification voltage includes a baseline voltage level that is below an operating voltage range of the powered device and includes a sequence of distinct signal elements derived from the classification voltage. The method further includes detecting a number of signal elements of the sequence of distinct signal elements. A current is drawn until the number of signal elements exceeds a predetermined number.

Abstract: A portable tone generator includes a connector configurable to couple to an input/output port of a computing device, a memory configured to store data corresponding to a plurality of frequencies, and an output interface configurable to couple to a speaker system. The portable tone generator further includes tone generating circuitry coupled to the input interface, the output interface, and the memory. The tone generating circuitry is configured to receive a control signal from the computing device identifying a selected frequency of the plurality of frequencies, retrieve the data corresponding to the selected frequency, produce an output signal including a tone based on the data in response to receiving the control signal, and provide the output signal to the output interface.

Abstract: A method is disclosed that includes receiving a classification voltage at a powered device from a network. The classification voltage includes a baseline voltage level that is below an operating voltage range of the powered device and includes a sequence of distinct signal elements derived from the classification voltage. The method further includes detecting a number of signal elements of the sequence of distinct signal elements. A current is drawn until the number of signal elements exceeds a predetermined number.

Abstract: In one embodiment, the present invention includes an apparatus having a first pair of low voltage operational amplifiers to generate an output representative of an absolute value difference of first and second line voltages of a subscriber loop, and a third low voltage operational amplifier having an input coupled to the output of the first pair of low voltage operational amplifiers to filter the output and to provide a switch control signal for a switching regulator that provides a voltage used to generate the first and second line voltages. The apparatus may include additional circuits such as a limit circuit to limit the input to the third low voltage operational amplifier and one or more speedup circuits to reduce a filter time constant of the third low voltage operational amplifier during a ringing mode of the subscriber loop.

Abstract: A hearing aid includes a microphone to convert sounds into electrical signals, a transceiver configured to communicate with a computing device through a wireless communication channel, and a processor coupled to the microphone and the transceiver. The hearing aid further includes a memory accessible to the processor and configured to store a table including plurality of hearing aid profile identifiers (IDs). Each of the plurality of hearing aid profile IDs corresponds to a respective one of a plurality of hearing aid profiles. The memory stores instructions that, when executed by the processor cause the processor to identify a hearing aid profile ID from the table based on a sound sample, retrieve a hearing aid profile from the computing device using the hearing aid profile ID, and apply the hearing aid profile to modulate an audio output signal.