| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sound detection device capable of improving a S/N ratio and to provide an inspection device capable of improving an inspection accuracy.SOLUTION: A sound detection device 10 includes: a sounding part 31 for sounding an object 100; a plurality of detection parts 32 for detecting a sounding sound generated by the sounding part 31 sounding the object 100; and a calculation part 41 for adding a plurality of sound signals to it after aligning phases of the plurality of sound signals so as to align the signals of the sounding sounds in the plurality of sound signals detected by the plurality of detection parts 32. Further, an inspection device 1 includes a determination part 42 for determining whether the object 100 is good or bad based on the sound detection device 10 and the sound signals added by the sound detection device 10.</p> |
