Method and apparatus for filtering the sound source signal based on sound source distance

A method and a device for filtering a sound source signal according to a sound source distance are provided to filter a specific sound source signal from a plurality of sound source signals through a microphone array by filtering at least one sound source signal or more corresponding to a specific distance from the sound source signal based on the distance from the microphone to the sound source. A sound source filtering device includes a plurality of microphones(111,112), a microphone output signal generator(120), a distance calculator(130), and a signal filter(140). The microphone output signal generator generates at least two microphone output signals by combining the sound source signals inputted through the plurality of microphones. The distance calculator calculates the distance from the microphone to the sound source to radiate the sound source signals by using distance relation according to the frequency of the sound source signal from the microphone output signals. The signal filter filters at least one sound source or more corresponding to the predetermined distance from the sound source signals based on the calculated distance.