JP2012054749A - Video display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attain usability from the standpoint of a user interface concerning a video display device for displaying a two-dimensional video and a three-dimensional video by combination.SOLUTION: A video display device inputs a digital signal of a three-dimensional video signal or a two-dimensional video signal including program information, and displays a three-dimensional video and a two-dimensional video. The digital signal including the program information includes: a flag indicating whether the digital signal is the three-dimensional video signal or the two-dimensional video signal; information indicating a display system by the three-dimensional video signal; and a three-dimensional video start time. Based on these pieces of information, a display part displays that a three-dimensional video program is to be started before starting the three-dimensional video program. Also, when a changed-over program is the three-dimensional video, the effect is displayed.

Description

  The present invention relates to a video display device, and more particularly to a video display device suitable for viewing a three-dimensional video program.

  In recent years, video contents for displaying 3D video for the purpose of screening in movie theaters and the like have appeared one after another. In addition, in the field of liquid crystal displays (LCDs) such as televisions and mobile phones used in general homes, products capable of displaying 3D images have begun to appear.

  As a technique for displaying video content as a three-dimensional video, a technique for making a pseudo three-dimensional video appear using a difference (parallax) between the visual fields of both eyes of a viewer is known.

  According to this technique, a viewer wears shutter glasses for displaying a 3D image when viewing the 3D image. The video content is displayed in a pseudo manner by switching the left-eye image and the right-eye image on a field-by-field basis and synchronizing the left-right switching of the shutter glasses with the video switching timing. It looks like a three-dimensional image.

  In Patent Document 1, for each field of a time-division stereoscopic video signal, whether the next field is a left-eye video or a right-eye video within a valid video period and excluding a period during which the video is displayed on the monitor surface. When a time division stereoscopic video signal is reproduced by inserting an identification signal indicating that the next field is a left-eye video or a right-eye video based on the identification signal Is disclosed.

  Patent Document 2 compares the input video signal to determine whether the video signal is a 2D video signal or a stereoscopic video signal, and controls the light emission pattern of the light source device disposed to thereby display the 2D video display. A 2D video / stereoscopic video compatible stereoscopic video display device capable of displaying a stereoscopic video display with high resolution and easy to see has been disclosed.

JP-A-9-116931 JP 2007-65067 A

  When viewing with a display device using such a technique, it is necessary to notify the viewer whether or not the video signal is video content corresponding to 3D video, and to wear shutter glasses. For example, when viewing video content recorded in advance on an optical disc or magnetic disc, the viewer can recognize that it is compatible with 3D video, but video content distributed via digital broadcasting or the Internet. When viewing the video content, it is necessary to view the content after confirming in advance whether or not the video content to be viewed is a video content corresponding to the 3D video, which is not convenient.

  According to the techniques described in Patent Document 1 and Patent Document 2, the display device itself can recognize whether the video content to be viewed is a 3D video or a 2D video. Therefore, there is a problem that it is impossible to notify which video content it is.

  In addition, even when the 3D video display method uses a different method for each broadcasting station or distribution destination, it is impossible to notify the viewer whether shutter glasses are required or not. There was a problem that it was not easy to use from the viewpoint of the user interface.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a video display apparatus that is easy to use from the viewpoint of a user interface in a video display apparatus that displays a combination of two-dimensional video and three-dimensional video. Is to provide.

  The video display device of the present invention is a video display device that receives a 3D video signal or 2D video signal including program information and displays 3D video and 2D video, and includes digital information including program information. An input unit for inputting a signal, a separation unit for separating a 3D video signal or 2D video signal and program information, a decoding unit for decoding a digital signal separated from the separation unit, and an image from the decoding unit are displayed. And a display unit.

  The digital signal including the program information separated from the separation unit includes a flag indicating whether the digital signal is a 3D video signal or a 2D video signal, and information indicating a display method using the 3D video signal. Is included.

  Further, the digital signal further includes a start time of 3D video by the 3D video signal. Based on the start time of 3D video by the 3D video signal, before the 3D video program starts, The start of the 3D video program is displayed on the display unit.

  Furthermore, information indicating a period during which a 3D video such as a commercial is inserted is attached. Based on information indicating a period during which the 3D video is inserted, the 3D video is inserted before the period during which the 3D video is inserted. You may make it display the start of an image | video.

  Further, when the program being viewed is switched from a program that displays 2D video to a program that displays 3D video, a flag indicating whether the program is a 3D video signal or a 2D video signal of a digital signal Based on the information indicating the display method using the 3D video signal, the display unit displays that the switched program is a 3D video program.

  When the EPG is displayed, it is displayed that the program is a 3D video program.

  Further, during the initial scan of the video display device, based on the information indicating the display method using the 3D video signal, the display method using the 3D video signal in each channel is displayed on the display unit.

  With the video display device having this configuration, for example, the viewer can know from the video display device in advance whether or not the video content to be viewed next is video content corresponding to 3D video.

  As another effect, when the 3D video display method is different for each broadcasting station or video content transmission source, the viewer needs to set the display method individually for each broadcasting station or transmission source. Therefore, the user interface is easy to use.

  According to the present invention, in a video display device that displays a 2D video and a 3D video together, it is an object to provide a video display device that is easy to use from the viewpoint of a user interface.

It is a block diagram which shows the structure of the video display apparatus which concerns on 1st embodiment of this invention. It is a figure which shows an example of a structure of the digital signal containing program information (the 1). It is a figure explaining the display of the stream sent to the video display apparatus concerning 1st embodiment of this invention, and program information. It is a figure which shows an example of a structure of the digital signal containing program information (the 2). It is a figure explaining the display of the stream and program information which are sent to the video display apparatus which concerns on 2nd embodiment of this invention. It is the figure which showed an example of EPG displayed on the video display apparatus concerning 3rd embodiment of this invention. It is a flowchart which shows the process of the video display apparatus when performing an initial scan. It is the figure which showed an example of the display image of a screen when initial scanning was performed.

  Embodiments according to the present invention will be described below with reference to FIGS.

Embodiment 1
A first embodiment according to the present invention will be described below with reference to FIGS.
First, the configuration of the video display apparatus according to the first embodiment of the present invention will be described with reference to FIG.
FIG. 1 is a block diagram showing a configuration of a video display apparatus according to the first embodiment of the present invention.

  As shown in FIG. 1, the video display device 100 inputs a digital signal including a 3D video stream, a 2D video stream, or program information from an input terminal 101, and in the case of 3D video display, For example, it has a function of displaying an image subjected to processing necessary for 3D video display on a display unit 106 constituted by an LCD or the like.

  A digital broadcast wave is input from the input terminal 101. This digital broadcast wave is converted into a bit stream by the input unit 102. The bit stream conversion may be performed by demodulating radio waves in an RF (Radio Frequency) band, or may be input via a network line, and is not particularly limited. The demultiplexer unit 103 receives the bit stream, analyzes the header of the bit stream, and separates it into a video stream, an audio stream, program information, EPG information, data broadcast information, and the like. If the stream has been subjected to encryption processing, decryption processing is performed.

  The 3D processing unit 104 determines whether or not the input video stream is a 3D video stream from EPG information, data broadcast information, and the like.

  The decoding unit 105 decodes the stream from the 3D processing unit 104 and outputs it to the display unit 106. The display unit 106 performs conversion according to the 3D video display format and displays the video on the LCD or the like as a 3D video.

  The input terminal 107 is, for example, a light receiving unit of a remote controller, and receives a user's remote control operation as an infrared signal. The user IF unit 108 converts the infrared signal into, for example, an electric signal and notifies the CPU 109 of it. The CPU 109 receives an input from the user IF unit 108 and controls each control unit of the video display device 100.

Next, a digital signal processed by the video display apparatus according to the first embodiment of the present invention will be described with reference to FIG.
FIG. 2 is a diagram showing an example of a configuration of a digital signal including program information (part 1).

  The digital signal including this program is realized as one of the section data in the same TS packet as the PAT (Program Association Table) or PMT (Program Map Table) included in the MPEG2-Transport Stream (TS). The

  Here, 3D video display information 201 for 3D video display is inserted into the PMT 200. The 3D video display information 201 is defined as, for example, an extension flag of the descriptor area 2 in the PMT, and the program (PID of the video stream) stored in the PAT is a 2D video or a 3D video. A 3D video flag indicating whether there is a 3D video, a 3D video system indicating which display method is compatible with the 3D video, and a program indicating the time when the 3D video starts It consists of the start time.

  According to the configuration of this digital signal, it is possible to have compatibility with a conventional video display device that receives terrestrial digital broadcasting or BS / CS digital broadcasting.

Next, display of program information of the video display apparatus according to the first embodiment of the present invention will be described with reference to FIG.
FIG. 3 is a diagram for explaining the display of the stream and program information sent to the video display apparatus according to the first embodiment of the present invention.

  FIG. 3A shows a stream sent when a specific broadcasting station is selected, and is transmitted in the order of 2D video content 501, 3D video content 502, and 2D video content 503. Shall be.

  3B is an example in which the stream of FIG. 3A is shown in packet units, video 504 and 507 indicate video streams, audio 506 and 509 indicate audio streams, program information 505, Reference numeral 508 denotes program information.

  Although not shown, actually, data such as time information and text broadcast information is also input.

  The video stream and the audio stream correspond to the video content currently being viewed, but the program information includes information on the next video content in advance.

  The CPU 109 separates the program information by the demultiplexer unit 103 and detects the 3D video display information 201 from the separated data.

  As a result of detection of the 3D video display information 201, when the 3D video flag shown in FIG. 2 is 1, the program start time flag is detected and compared with the current time information. For example, the program start time is 5 minutes. At the point of time, as shown in the example shown in FIG. 3C, the CPU 109 gives an instruction to the display unit 106 to display that the next program is a 3D video.

  The subsequent display in FIG. 3C may be hidden by the viewer's remote control operation, may be erased after a certain period of time, or displayed until the next program starts. Also good.

  Also, as shown in FIG. 3D, when switching from 3D video content to 2D video content, the display unit 106 displays that the next program will switch to 2D video.

  The effect of displaying the program information is that the viewer can know in advance that the program starting next is a three-dimensional video program, so that it can be viewed as a three-dimensional video from the beginning of the program. Accordingly, when special equipment such as shutter glasses is necessary to enjoy 3D video, the program information can be viewed and prepared. In addition, since no operation is performed by the viewer, there is no need for the viewer to spend time and effort.

Next, an example of another 3D video information display will be described with reference to FIG.
FIG. 4 is a diagram illustrating an example of a configuration of a digital signal including program information (part 2).

  As another 3D video information display, for example, by setting the program start time described in the program information as the commercial start time, only the commercial video inserted in the middle of the program is converted into a 3D video. Can be matched. At this time, as shown in FIG. 4, the 3D video flag is prepared as a mixed type of 2D video and 3D video. Also, the commercial start time is defined in the same format as the program start time, as shown in FIG.

  The viewer is notified of the fact that a 3D video is included in the commercial before the start time detected from the program information or when the commercial is entered.

  With this process, the viewer can view the 3D video, and the commercial producer who provides the program can distribute more impressive advertisements using the 3D video.

[Embodiment 2]
Hereinafter, a second embodiment according to the present invention will be described with reference to FIG.
FIG. 5 is a diagram for explaining the display of the stream and program information sent to the video display apparatus according to the second embodiment of the present invention.

  In the first embodiment, before the program is started, program information of 2D video or 3D video is displayed on the screen.

  In the present embodiment, when a program is switched, program information of 2D video or 3D video is displayed on the screen.

  When the viewer performs remote control operation at the timing of time 702 and switches the channel selection from viewing the A channel program in FIG. 5 (a) to viewing the B channel program in FIG. 5 (b). To do.

  Here, the A channel program is a two-dimensional video program, and the B channel program after channel selection is a three-dimensional video program. Also in this case, the CPU 109 separates the program information by the demultiplexer unit 103 and detects the 3D video display information 201 from the separated data.

  When detecting the 3D video display flag of the 3D video display information 201, the CPU 109 gives an instruction to the display unit 106, and as shown in FIG. 5D, the program being viewed is a 3D video. A message is displayed.

  By displaying the program information in this way, it is possible to automatically notify whether the selected program is a 2D video or a 3D video in accordance with the viewer's channel selection. The shutter glasses and the like may be attached and detached in accordance with the display content of the display 106, so that it is easy to use as a user interface of the video display device.

  The display method of the display unit 106 may be a sentence, or may be a character such as “3D” or “2D”, for example.

  Also, a dedicated LED may be mounted and lighted only during 3D video.

[Embodiment 3]
Hereinafter, a third embodiment according to the present invention will be described with reference to FIG.
FIG. 6 is a diagram showing an example of an EPG displayed on the video display device according to the third embodiment of the present invention.

  In this embodiment, the digital signal shown in the first embodiment is used to display that the program is a 3D video as EPG program information.

  An EPG (Electronic Program Guide) is an output for displaying a broadcast program guide on a screen or the like.

  A column 601 in FIG. 6 indicates a program start time, and columns 602 to 605 indicate a list of programs input for each broadcasting station.

  It is possible to display to the viewer that the program name “movie AAA” is a 3D video program by the 3D display 606 that is a result of reflecting the detection result of the 3D video display flag in the program information on the EPG. it can. No specific display is performed for 2D video content.

  This effect is that the viewer can preliminarily determine that the program is a three-dimensional video program simply by operating the display unit 106. Therefore, for example, shutter glasses can be prepared in advance, which is convenient for use as a user interface of the video display device. It will be good.

[Embodiment 4]
A fourth embodiment according to the present invention will be described below with reference to FIGS.
FIG. 7 is a flowchart showing the processing of the video display device when the initial scan is performed.
FIG. 8 is a diagram illustrating an example of a display image on the screen when the initial scan is performed.

  In the present embodiment, a 3D video display method is displayed in a part of channel information in the initial scan.

  The initial scan is a process for setting a channel that is first performed when a digital broadcast is received.

  The video display apparatus 100 starts the initial scan when the execution of the initial scan is selected by a remote control operation by the viewer (S200 in FIG. 7). At this time, the display unit 106 performs the display shown in FIG.

  Then, as shown in FIG. 8B, the video display device 100 displays on the display unit 106 that the initial scan is being executed.

  In addition, the CPU 109 acquires network information by the demultiplexer unit 103, and executes acquisition of receivable broadcasting stations and program information (S201).

  The video display device 100 detects the 3D video flag of the 3D video display information 201 from the program information separated by the demultiplexer unit 103, and the CPU 109 determines which method of 3D video is generated for each channel. It discriminate | determines and stores in the memory (not shown) connected to CPU109 (S203).

  Then, as shown in FIG. 8C, when the initial scan is performed, the 3D video display method detected for each channel based on the 3D video method of the 3D video display information 201 shown in FIG. Displayed on the display unit 106.

  The CPU 109 selects a control method of the three-dimensional processing unit 105 for each channel based on the detection result.

  The viewer does not particularly need to operate using the 3D video display method information detected for each broadcasting station shown in FIG.

  Thereafter, as shown in FIG. 8D, the normal viewing screen is restored.

  This effect is easy to use as a user interface of the video display device 100 because the viewer does not need to perform an operation of changing the setting even when the display method of the 3D video is different for each broadcasting station.

  Further, the initial scan of the 3D video flag may be automatically performed after the viewer inputs the area information to the image display device 100, or at the next power-on after the area information is input. However, the same effect can be obtained.

DESCRIPTION OF SYMBOLS 100 ... Video display apparatus 101,107 ... Input terminal 102 ... Input part 103 ... Demultiplexing part 104 ... 3D processing part 105 ... Decoding part 106 ... Display part 108 ... User IF part 109 ... Overall control CPU part 200 ... PMT
201 ... 3D video display information 301, 302, 303 ... Initial scan menu screen 501, 503, 701 ... 2D video content stream 502 ... 3D video content stream 504, 507, 510, 513, 516, 519, 522 ... video Streams 505, 508, 511, 514, 517, 520, 523... Program information digital signals 506, 509, 512, 515, 518, 521, 524.

Claims (6)

In a video display device for inputting a 3D video signal including program information or a digital signal of a 2D video signal and displaying 3D video and 2D video,
An input unit for inputting a digital signal including program information;
A separation unit that separates the 3D video signal or 2D video signal and the program information;
A decoding unit for decoding the digital signal separated from the separation unit;
A display unit for displaying an image from the decoding unit,
In the digital signal including the program information separated from the separation unit,
A flag indicating whether the digital signal is a 3D video signal or a 2D video signal;
And a video display apparatus including information indicating a display method using the three-dimensional video signal. The digital signal further includes a start time of the 3D image by the 3D image signal,
Based on the start time of the 3D video by the 3D video signal,
2. The video display apparatus according to claim 1, wherein the display unit displays that the 3D video program starts before the 3D video program starts. The digital signal includes information indicating that the program is composed of both 3D video and 2D video;
Information that indicates the period during which the 3D video was inserted,
2. The video display device according to claim 1, wherein the start of the 3D video is displayed before the period during which the 3D video is inserted based on information indicating the period during which the 3D video is inserted. . When the program being viewed is switched from a program that displays 2D video to a program that displays 3D video,
Based on a flag indicating whether the digital signal is a 3D video signal or a 2D video signal and information indicating a display method based on the 3D video signal, the program after switching to the display unit, The video display apparatus according to claim 1, wherein the video display apparatus displays a 3D video program. When displaying the broadcast program guide on the display unit,
2. The video according to claim 1, wherein based on a flag indicating whether the digital signal is a three-dimensional video signal or a two-dimensional video signal, the fact that each program is a program based on a three-dimensional video is displayed. Display device. During the initial scan of the video display device,
2. The video display apparatus according to claim 1, wherein a display method based on a 3D video signal in each channel is displayed on the display unit based on information indicating a display method based on the 3D video signal.

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