# US 8,787,730 B2 · Creating video synopsis for use in playback > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,787,730 B2 - Document ID: US8787730B2 - Status: Granted - Kind: B2 - Application number: 13/477,013 - Filed: 2012-05-21 - Published: 2013-11-21 - Granted: 2014-07-22 - Earliest claimed: 2012-05-21 - Assignees: Yahoo! Inc. - Applicants: Jeffrey Budzinski - Inventors: Jeffrey Budzinski - Web page: https://patentgrep.com/patent/US8787730B2 ## CPC - G11B 27/322: {used signal is digitally coded} - G11B 27/105: {of operating discs} - H04N 9/8205: {involving the multiplexing of an additional signal and the colour video signal} - G11B: INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER (recording measured values in a way that does not require playback through a transducer G01D9/00; recording or playback apparatus using mechanically marked tape, e.g. punched paper tape, or using unit records, e.g. punched or magnetically marked cards G06K; transferring data from one type of record carrier to another G06K1/18; circuits for coupling output of reproducer to radio receiver H04B1/20; gramophone pick-ups or like acoustic electromechanical transducers or circuits therefor H04R) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract Implementing a video synopsis includes using a playback device configured to: receive a video for playing on the playback device; generating a synopsis index of video clips from the video; playing the video until the play is suspending before reaching an end of the video; checkpointing the location in the video timeline at which the video play was suspended; and storing the checkpointed location. ## Claims ### Claim 1 A method for implementing a video synopsis, comprising steps of: using a playback device comprising a processor performing steps of: receiving a video for playing on the playback device; generating a synopsis index of video clips from the video by performing: selecting the video clips that describe key moments in the video, each video clip comprising attributes of: a time tick within the video timeline where said video clip starts, and a time duration of said video clip; and storing the attributes of each video clip in the synopsis index, along with an identifier for each video clip; wherein a time-ordered set of video clips comprises a synopsis of the video; and adding an additional attribute comprising a synopsis replay length for each video clip identified in the synopsis index, wherein the synopsis replay length is selected from a group consisting of: short, medium, and long; playing the video until the play is suspended before reaching an end of the video; checkpointing a location in a video timeline of the video where the video play was suspended; and storing the checkpointed location. ### Claim 2 (depends on 1) The method of claim 1 further comprising: receiving an indication that the video play is to be resumed; playing the synopsis of the video, said synopsis comprising the video clips occurring in the video timeline only up to the checkpointed location; and resuming play of the video at the checkpointed location when the synopsis terminates. ### Claim 3 (depends on 2) The method of claim 2 wherein playing the synopsis comprises: retrieving the checkpointed location where the video play was suspended; retrieving the synopsis index; retrieving the video clips referenced in the synopsis index; and playing the synopsis. ### Claim 4 (depends on 3) The method of claim 3 wherein playing the synopsis comprises: playing a first video clip as identified in the synopsis index; performing an iterative loop beginning with a video clip pointer set to one, said iterative loop comprising: loading a next video clip as referenced by the video clip pointer; comparing the time tick of the next video clip with a time of the checkpointed location; and playing the next video clip when the time tick occurs before the time of the checkpointed location; setting a video clip pointer to the checkpointed location upon reaching an end of the iterative loop. ### Claim 5 (depends on 4) The method of claim 4 further comprising: receiving a selection of the synopsis replay length; comparing the synopsis replay length attribute of the next video clip with the selection received from the viewer; and wherein playing the next video clip further comprises playing said next video clip when the synopsis replay length attribute matches the selection received from the viewer. ### Claim 6 (depends on 5) The method of claim 5 wherein the selection of the synopsis replay length is received from the viewer. ### Claim 7 (depends on 5) The method of claim 5 wherein the selection of the synopsis replay length is derived by the playback device. ### Claim 8 (depends on 1) The method of claim 1 wherein storing the checkpointed location comprises storing an encoding of said checkpointed location in the video. ### Claim 9 (depends on 1) The method of claim 1 wherein selecting the video clips that describe the key moments in the video comprises: determining a type of the video; noting key features of the video while sequencing through said video; assigning weights to the key features, wherein said weights are assigned based on the type of the video; ranking the weighted features; and selecting for synopsis replay the video segments containing highest-ranked features. ### Claim 10 A computer-implemented system for implementing a video synopsis, comprising: a playback device; and a storage medium operatively coupled with the playback device; wherein the playback device comprises a processor performing steps of: receiving a video for playing on the playback device; generating a synopsis index of video clips from the video by performing: selecting the video clips that describe key moments in the video, each video clip comprising attributes of: a time tick within the video timeline where said video clip starts, and a time duration of said video clip; and storing the attributes of each video clip in the synopsis index, along with an identifier for each video clip; wherein a time-ordered set of video clips comprises a synopsis of the video; and adding an additional attribute comprising a synopsis replay length for each video clip identified in the synopsis index, wherein the synopsis replay length is selected from a group consisting of: short, medium, and long; playing the video until the play is suspended before reaching an end of the video; checkpointing a location in a video timeline of the video where the video play was suspended; and storing the checkpointed location in the storage medium. ### Claim 11 (depends on 10) The computer-implemented system of claim 10 wherein the checkpointed location is encoded in the video. ### Claim 12 (depends on 10) The computer-implemented system of claim 10 wherein the synopsis replay length is derived by the playback device according to a category of the video. ### Claim 13 (depends on 10) The computer-implemented system of claim 10 wherein the playback device further comprises an input/output interface performing: requesting that a viewer select the synopsis replay length; and receiving the synopsis replay length selected by the viewer. ### Claim 14 A computer program product comprising a non-transitory computer-readable storage medium with computer-executable instructions stored therein, said computer-executable instructions enabling a computer to perform: using a playback device performing steps of: receiving a video for playing on the playback device; generating a synopsis index of video clips from the video by performing: selecting the video clips that describe key moments in the video, each video clip comprising attributes of: a time tick within the video timeline where said video clip starts, and a time duration of said video clip; and storing the attributes of each video clip in the synopsis index, along with an identifier for each video clip; wherein a time-ordered set of video clips comprises a synopsis of the video; and adding an additional attribute comprising a synopsis replay length for each video clip identified in the synopsis index, wherein the synopsis replay length is selected from a group consisting of: short, medium, and long; playing the video until the play is suspended before reaching an end of the video; checkpointing a location in a video timeline of the video where the video play was suspended; and storing the checkpointed location.