Patent ID: 8098857

Claim:
A hearing aid, comprising: a sound receiver responsive to sound waves to generate a microphone signal based on the sound waves; a transmitting unit coupled to receive the microphone signal from the sound receiver and generate a power signal based on the microphone signal; a sound generator coupled to receive at least the power signal from the transmitting unit and generate a sound based on the power signal, the sound generated by the sound generator effective to be perceived by an auditory organ of a user of the hearing device; and an audio signal unit comprising: a memory coupled to store at least one generation parameter; a tone signal generator coupled to the memory to generate a tone signal in response to a trigger signal and as a function of said at least one generation parameter; and a central control unit responsive to a signal indicative of a predefined sound event related to the hearing aid to generate the trigger signal, wherein the audio signal unit is coupled to the sound generator to transmit the tone signal to the sound generator, wherein the tone signal is configured to produce a further sound indicative of an occurrence of the defined event and effective to be perceived by the auditory organ of the user of the hearing device.