METHOD AND APPARATUS TO LOCALIZE IN SPACE POSITION FOR INPUTTING SIGNAL

摘要

A method and an apparatus for locating a sound phase of an input signal on a spatial position are provided to be used in a mobile device by being implemented with a little number of filter coefficients using the extracted information. A method for locating a sound phase of an input signal on a spatial position includes the steps of: extracting first information for indicating a reflective sound, which is reflected by a body of a listener, from a measured head related impulse response according to a position change of a sound source(1100); extracting second information for indicating a difference of a sound pressure generated from both ears when a direct sound generated at the sound source position is reached from the head related impulse response to both ears of the listener(1110); extracting third information for indicating a different of a consumed time until the direct sound is reached from the head related impulse response to both ears of the listener(1120); and locating a sound phase of an input signal to a spatial position based on the extracted first, second and third information.