Program segmentation of linear transmission

Details Program segmentation of linear transmission Program segmentation of linear transmission

H - Electricity

04

N

H04N 21/44 (2011.01) H04N 21/454 (2011.01) H04N 5/91 (2006.01) H04N 5/262 (2006.01)

Patent

CA 2731706

Content streams may be segmented to provide automatic extraction and storage of content items without intervening commercials or other unrelated content. These content items may then be stored in a database and made accessible to subscribers through, for example, an on-demand service. Automatic segmentation may include the identification of program boundaries, segmentation of a content stream based on the boundaries and the subsequent classification of the segments into content types. For example, audio and video duplication detection may be used to identify commercials since commercials tend to repeat frequently over a relatively short amount of time. A system may further identify an end of program indicator in a video stream to determine when a program ends. Accordingly, if a program ends after a scheduled end time, a recording device (e.g., the program is being recorded) may automatically extend the recording time to capture the entire program.

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