Patent ID: 9591427
Date: 2017-03-07
CPC Classifications: G06F,G06K,H04R,H04S

Claim:
1. A method executed by a smartphone to generate head related transfer functions (HRTFs) of a person wearing earphones, the method comprising: capturing, with a camera in the smartphone, an image of a face of the person while the smartphone is located away from but proximate to the face of the person; determining, based on the image of the face, a location of the smartphone with respect to the face of the person; generating, from a speaker of the smartphone, a sound while the smartphone is in a hand of the person and at the location that is away from but proximate to the face of the person; capturing, with a left microphone of the earphones in a left ear of the person and with a right microphone of the earphones in a right ear of the person, the sound generated from the speaker of the smartphone; generating, with the smartphone, a left HRTF of the person for the location with the sound captured in the left microphone and a right HRTF of the person for the location with the sound captured in the right microphone; and storing the location of the smartphone with respect to the face of the person when the smartphone generates the sound.