Disclosed is a communication disturbance analysis device, including: a hardware processor that: obtains a first recorded data created by recording a first communication sound at a transmitter in one facsimile communication and a second recorded data created by recording a second communication sound at a receiver in the one facsimile communication, detects a silence section from each of the first recorded data and the second recorded data; and specifies an extracted section to be extracted as a recoded data to be analyzed from the first recorded data and the second recorded data in accordance with the detected silence section.

Disclosed is a communication disturbance analysis device, including: a hardware processor that: obtains a first recorded data created by recording a first communication sound at a transmitter in one facsimile communication and a second recorded data created by recording a second communication sound at a receiver in the one facsimile communication, detects a silence section from each of the first recorded data and the second recorded data; and specifies an extracted section to be extracted as a recoded data to be analyzed from the first recorded data and the second recorded data in accordance with the detected silence section.