Patent ID: 8638960
Filing Date: 2014-01-28
Classification: H04R,H04S

Abstract:
1. A BTE hearing aid comprising: a BTE hearing aid housing to be worn behind a pinna of a user; at least one BTE sound input transducer for conversion of a sound signal into an audio signal representing sound; a processor configured to generate a hearing loss compensated output signal based on the audio signal representing sound; a sound signal transmission member for transmission of a signal representing sound from a sound output of the BTE hearing aid housing at a first end of the sound signal transmission member to an ear canal of the user at a second end of the sound signal transmission member; an earpiece configured to be inserted in the ear canal of the user for fastening and retaining the sound signal transmission member in its intended position in the ear canal of the user; an output transducer for conversion of the hearing loss compensated output signal to an auditory output signal that can be received by a human auditory system; and an ITE microphone housing accommodating at least one ITE microphone, wherein the ITE microphone housing is configured to be positioned in an outer ear of the user for fastening and retaining the at least one ITE microphone in its intended position; wherein the processor is further configured for processing an audio signal from the at least one ITE microphone and the audio signal from the at least one BTE sound input transducer in such a way that the hearing loss compensated output signal substantially preserves spatial cues; and wherein the hearing aid further includes at least one adaptive filter, each of which having an input that is provided with the audio signal from the at least one BTE sound input transducer, wherein filter coefficients of the at least one adaptive filter are adapted so that a difference between the audio signal from the at least one ITE microphone and a combined output of the at least one adaptive filter is minimized.