US Patent 9344814 Hearing aid device and method for feedback reduction

A hearing aid device (2) is disclosed. The hearing aid device (2) is configured to be sealingly inserted into the bony region (20) of the ear canal (16). The hearing aid device (2) comprises a receiver (12) and at least one microphone (4, 6) and means for processing sound signals detected by the at least one microphone (4, 6). The hearing aid device (2) comprises means for carrying out electronic feedback suppression by applying a frequency shift (ΔF) and/or a time delay to the detected sound signals. A method for providing electronic feedback reduction in a hearing aid device (2) is also disclosed.