| 摘要 |
The present invention relates to a method and apparatus for characterizing acoustical properties of an outer ear 130 , the method comprising the steps of: transmitting a first acoustic signal 125 towards the outer ear 130 , receiving a second acoustic signal 150 from the outer ear 130 , and characterizing acoustical properties 165 of the outer ear on the basis of the second acoustic signal 150 . The method is characterized in that the first acoustic signal 125 comprises at least one of the following elements: music, and speech. The present invention further relates to a method and apparatus for enrolling, authenticating and identifying a person on the basis of acoustical properties of an outer ear 130.
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