JP2005236527A5

JP2005236527A5 -

Info

Publication number: JP2005236527A5
Application number: JP2004041450A
Authority: JP
Filing date: 2004-02-18
Publication date: 2007-04-05
Anticipated expiration: 2024-02-18

Claims

A video playback unit capable of playing back an arbitrary section of video in either the first or second playback mode;
A highlight information acquisition unit for acquiring highlight information for defining a highlight area in the video reproduced by the video reproduction unit;
Controlling the video playback unit so that the highlight area of the video is played back in the first playback mode, and the other areas are played back in the second playback mode; Including video playback device.

The video playback device according to claim 1, wherein the video playback unit plays back video in the second playback mode at a higher speed than in the first playback mode.

The video playback unit plays back video in the second playback mode at a speed that is faster than the first playback mode and faster according to the distance between the highlight area and the playback position. 2. The video reproduction apparatus according to 2.

A video playback unit capable of playing back an arbitrary section of video in either the first or second playback mode;
The video playback unit controls the video playback unit to specify the highlight position in the video, the video part specified by the highlight information is the first playback mode, the other video part is the second playback mode, Including playback control means for playback,
The playback control means plays back a video portion not specified by the highlight information at a speed determined by a distance between the highlight position and the playback position.

A video playback unit capable of playback in at least two playback modes of fast-forward playback and normal playback;
Highlight information storage means for storing highlight information for defining a highlight area of the video;
Controlling the video reproduction unit, the reproduction area for reproducing the highlight area of the video in the fast-forward reproduction mode, and reproducing the other area in the normal reproduction mode;
An instruction input means for receiving a fast-forward instruction from the user;
In response to receiving the fast-forward instruction, fast-forward means for controlling the video playback unit to start fast-forward playback,
The playback control means plays back in the normal playback mode when fast-forward playback of video by the video playback section reaches the highlight area designated by the highlight information stored in the highlight information storage means. A video playback device for controlling the video playback unit.

During the fast-forward playback by the video playback unit, the video playback means is a fast-forward speed corresponding to a highlight area determined by highlight information or a distance between at least one of the video positions that received the fast-forward instruction and the playback position 6. The video playback apparatus according to claim 5, further comprising means for controlling the video playback unit so as to perform fast forward playback.

The video playback apparatus according to claim 4, further comprising a highlight information acquisition unit for acquiring the highlight information.

The playback control means controls the video playback unit so that a portion of the video where highlight information cannot be acquired is played back at a speed faster than the playback speed in the normal playback mode and at which audio can be heard. The video reproduction device according to claim 1.

A video storage unit,
9. The video playback apparatus according to claim 1, wherein the video playback unit includes means for playing back video stored in the video storage unit.

The video storage unit is capable of supplying the movies image to the video reproducing section in parallel with the storage of video, the video reproducing apparatus according to claim 9.

Further includes a video obtaining means for obtaining from outside movies image in response to the user's instruction,
The video playback device according to claim 1, wherein the video playback unit plays back the video acquired by the video acquisition unit.

12. The video reproduction apparatus according to claim 1, further comprising highlight information generation means for analyzing video characteristics and generating highlight information.

A playback script generation device that generates a playback script for instructing playback control of video to a video playback device having script execution means for playing back video in a playback mode and playback sequence according to the playback script,
Highlight information preparation means for preparing highlight information for defining a highlight area of the video;
Executing the script of the video playback device so that the video portion specified by the highlight information prepared by the highlight information preparation means is played back at a normal speed, and the video portion not specified in the highlight information is played back at a fast forward speed. A reproduction script generation device including reproduction script generation means for generating a reproduction script that instructs the means.

The script generation unit is a playback script generation device that generates a playback script including a video to be played, a playback range, and a playback speed.

It means for preparing the movies image,
Means for preparing, in association with the video, highlight information defining a highlight area of the video;
In accordance with the highlight information, a video portion including the video portion specified by the highlight information and a predetermined time before or after the video portion specified by the highlight information or both is cut out. And a video cutting device.

Video storage means for storing video;
Video storage time recording means for recording video storage time when the video storage unit stores video;
Accumulation time accuracy determining means for determining the accuracy of the time when the image is accumulated in the image accumulation time accumulation unit based on the environment when the image is accumulated by the image accumulation means;
And a first accuracy recording means for recording the accumulation time accuracy determined by the accumulation time accuracy determination unit.

17. The video storage device according to claim 16, wherein the time accuracy determination unit determines the storage time accuracy based on a video transmission path used when the video is stored in the video storage unit.

The video storage device
Time designation information recording means for recording time designation information for designating a predetermined time in the video accumulated in the video accumulation means;
Second accuracy recording means for recording the accuracy of the time designation information;
First estimated correction value recording means for recording an estimated correction value of the time designation information;
Second estimated correction value recording means for recording the estimated correction value of the video accumulation time recorded by the video accumulation time recording means;
A relative correction value recording means for calculating and recording a relative correction value between the video accumulation time and the time designation information;
Based on the accuracy of the time designation information, the accuracy of the video accumulation time, and the relative correction value, the estimated correction value of the time designation information, the estimated correction value of the video accumulation time, and the uncertain relative correction value are estimated. The video storage device according to claim 17, further comprising correction value estimation means for performing the operation.

Means for preparing the video,
Means for preparing, in association with the video, highlight information defining a highlight area of the video;
In accordance with the highlight information, video cutout means for cutting out the video portion designated by the highlight information from the video,
And a video writing unit for writing the video portion cut out by the video cutting unit to a video recording medium.

The video cutout device further includes a video recompression unit for recompressing the video cut out by the video cutout unit,
20. The video cutout device according to claim 19, wherein the video writing unit includes a unit for writing the video recompressed by the video recompression unit into the video recording medium.

The video cutting device is
Video storage means for storing the prepared video;
20. The video cutout device according to claim 19, further comprising means for erasing a video portion targeted for extraction by the video cutout means in the video in the video storage means.

The said means for erasing includes means for erasing the video portion only when the video stored in the video storage means is a video that is designated as copy-impossible. Video cutting device.

The video cutting device is
Video storage means for storing the prepared video;
And further comprising means for making it impossible for a user to access a video portion stored in the video storage means and targeted for extraction by the video extraction means. Item 20. The image cutout device according to Item 19.

The means for disabling includes means for disabling a user from accessing the video portion only when the video stored in the video storage means is a video that is designated as copy-incapable. The video cutting device according to claim 23.

Video erasing means for erasing a video portion written on the video recording medium by the video writing means from the video recording medium;
In response to erasing the video portion written on the video recording medium by the video erasing unit, the video from which the erased video portion is cut out of the video stored in the video storage unit 24. A video cropping device according to claim 23, further comprising means for allowing a user access to the part.

Video storage means for storing video;
Instruction input means for use by the user to select one of the videos stored in the video storage means;
Means for preparing, in association with the video, highlight information defining a highlight area of the video;
Information screen generating means for generating an information screen for presenting highlight information relating to the video selected by the instruction input means;
Video playback means for playing back video stored in the video storage means;
Playback control means for controlling the video playback means to select the video of the highlight area based on the highlight information and to play back at a normal playback speed;
When the user further selects specific highlight information from the information screen by the instruction input unit, the reproduction control unit selects and reproduces a video in a highlight area defined by the selected highlight information. A video playback device.

The information screen generating means includes
Means for displaying a bar indicating the entire playback time of the video selected by the instruction input means;
27. The video reproducing apparatus according to claim 26, further comprising: means for displaying an area corresponding to the highlight area and other areas in the bar in a manner that can be distinguished from each other.

The video playback device, when playing back video based on the highlight information, for the video played by the video playback means and the information screen generating means for the video played by the video playback means 28. The video reproducing apparatus according to claim 27, further comprising video superimposing means for superimposing the information screen generated by the computer.

The information screen generation unit is configured to display highlight information about the video selected by the instruction input unit when the video in the highlight area corresponding to the highlight information is reproduced by the video reproduction unit and the reproduction control unit. 27. The video reproduction apparatus according to claim 26, wherein an information screen to be presented together with a time required for reproduction is generated.

The information screen generating means only includes highlight information such that the time required for the video to be played based on the highlight information by the video playback means and the playback control means is less than or equal to a preset viewing time. 27. The video playback apparatus according to claim 26, further comprising means for selecting an information screen to generate an information screen.

The video playback apparatus according to claim 30, wherein the preset viewing time is a time from a current time to a preset time.

The reproduction control unit highlights a video part specified by the highlight information and a video part including a predetermined time before or after a video part specified by the highlight area information or both. 27. The video playback apparatus according to claim 26, wherein the video playback apparatus operates as an area.

Video storage means for storing video;
Video playback means for playing back the video stored in the video storage means;
Means for preparing, in association with the video, highlight information defining a highlight area of the video;
Instruction input means for the user to instruct the video playback state;
The video in the highlight area is always selected based on the highlight information and is played back at the normal playback speed, and when there is an input from the instruction input means, the video is immediately switched to the video playback state by the input and played back. A video playback device including playback control means for controlling the video playback means;

The reproduction control unit highlights a video part including the video part specified by the highlight information and a predetermined time before or after the video part specified by the highlight area information. 34. The video playback apparatus according to claim 33, wherein the video playback means is controlled as a region.

Video storage means for storing video and
Video storage time recording means for recording video storage time when the video storage means stores video; and
Video playback means for playing back video stored in the video storage means;
In relation to the video, highlight information acquisition means for acquiring highlight information for defining a highlight area of the video according to time;
Based on the highlight information and the video storage time of the video stored in the video playback means, a video corresponding to the highlight area is selected from the videos stored in the video storage means at a normal playback speed. A video playback device comprising: playback control means for controlling the video playback means to play back.

The video storage means includes means for acquiring and storing video from a digital broadcast;
36. The video reproduction apparatus according to claim 35, wherein the video accumulation time recording means includes means for acquiring the video accumulation time from time information embedded in a digital broadcast signal.

The video playback device
An offset calculating means for calculating an offset value, which is a correction value between the video storage time recorded by the video storage time recording means and the standard time, in accordance with the path through which the video storage means has acquired the video;
Offset recording means for accumulating the offset value,
The reproduction control unit corrects the time information included in the highlight information by the offset value, and based on the corrected highlight information and the video accumulation time of the video accumulated in the video reproduction unit, 36. The apparatus according to claim 35, further comprising means for controlling the video reproduction means to select the video corresponding to the highlight area from the videos stored in the video storage means and reproduce it at a normal reproduction speed. The video playback device described in 1.

Video storage means for storing video;
Video playback means for playing back the video stored in the video storage means;
Means for preparing, in association with the video, highlight information defining a highlight area of the video;
Playback control means for controlling the video playback means to select the video of the highlight area based on the highlight information and to play back at a normal playback speed;
The reproduction control means is
The portion for which the highlight information has been prepared for the video is selected and reproduced based on the highlight information in the highlight area corresponding to the highlight information. A video playback device that plays back at a predetermined playback speed.

The video playback apparatus of claim 38, wherein the predetermined playback speed is a normal playback speed.

The video playback apparatus according to claim 38, wherein the predetermined playback speed is higher than a normal playback speed and is a playback speed at which audio can be played back.