SOUND EXTRACTION DEVICE, SOUND EXTRACTION METHOD, AND SOUND EXTRACTION PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a sound extraction device, sound extraction method, and sound extraction program capable of accurately extracting the sound of a test object.;SOLUTION: A sound extraction device includes: a detection unit for detecting the passage of a tested body in the neighborhood of a sound recording microphone; a storage unit for storing the output sound of a tested subject as sound recording data with the use of a sound recording microphone when the detection unit has detected the passage; a recognition unit for recognizing the program search signal of a frequency individually determined for a tested body from the sound recording data; and an extraction unit for extracting multiple pieces of period data on the basis of the program search signal recognized by the recognition unit and extracting the output sound of a tested body by acquiring the logical product of the period data.;COPYRIGHT: (C)2014,JPO&INPIT