Patent ID: 8306397

Claim:
A recorder comprising: a recording reproduction control unit that records a broadcast program in a storage unit and performs control to reproduce the program from the storage unit according to reproduction position information; an audio input unit that separates an audio signal from the broadcast program; and an audio processing unit that detects a commercial section from the audio signal separated in the audio input unit, and generates the reproduction position information indicating the position of the commercial section, wherein the audio processing unit includes: a silent section determining unit that compares a level of the audio signal included in the broadcast program with a first threshold, and determines a section less than the first threshold as a silent section; and a commercial section determining unit that, when an interval between adjacent silent sections matches a predetermined time length, determines a section sandwiched by the silent sections as a commercial section; wherein the commercial section determining unit, when an interval between the start point of a first commercial section and a recording start point is within a predetermined time, extends the start point of the first commercial section to the recording start point, and when the interval between the end point of a last commercial section and a recording end point is within a predetermined time, extends the end point of a last commercial section to the recording end point.