Sanyo Electric Co., Ltd.

Ryosuke Ohtsuki

Yuji Yamamoto

Tatsuo Koga

Satoru Matsumoto

An aspect of the invention provides a commercial detection apparatus for detecting commercials that includes a silent detector configured to detect a silent segment based on the strength of the audio signal output in content, and a determination unit configured to determine a sound segment as a commercial if three or more silent segments are detected essentially within a set time span, and if the sound segment is found between two of the three silent segments.

Commercial detection apparatus and video playback apparatus

Characteristic amounts are calculated from each of multiple musical piece contents, and then time points when the characteristic amounts exceed a threshold are detected as cut points. Information on the cut point concerning each of the multiple musical piece contents is stored. Based on the stored information on the cut point, a judgment is made as to whether the multiple musical piece contents match each other.

Musical piece matching judging device, musical piece recording device, musical piece matching judging method, musical piece recording method, musical piece matching judging program, and musical piece recording program

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Osaka, Japan

Ryosuke Ohtsuki