JP2002281406A - Multiview channel selecting method in digital broadcasting, data contents service system, digital broadcasting transmitter, and method and system for changing data display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and a system capable of displaying images on a multiimage displayed on the screen of a receiver to select a suitable channel and appropriately processing a display form in accordance with viewer preference with respect to information such as news being subjected to OSD display. SOLUTION: In digital broadcasting, video signals of a plurality of channels are combined to generate video signals for service, data contents having a multiview function are also transmitted at the same time, the video signals for service are respectively displayed in each scene of a multiimage generated by the multiview function, and when the video of one video signal for service displayed on the multiimage is designated, switching is made to the designated video channel.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for selecting a multi-view channel in digital broadcasting, a data content service system, a digital broadcasting transmitting apparatus, a data display changing method, and a data display changing system. The present invention relates to a multi-view channel selection method and a data content service system in which a multi-screen is displayed as a multi-image on a multi-screen and a channel is switched by specifying the displayed image. In addition, the user can arbitrarily select display / non-display of data contents such as news flashes displayed on the screen and additional information including the progress of sports broadcasting and the display position thereof can be arbitrarily changed. The present invention relates to a data display change method and a data display change system.

[0002]

2. Description of the Related Art With the start of digital terrestrial broadcasting started in 2003, including digital broadcasting of CS and BS in recent years, television services on the receiving side have been increased in number of channels, while viewers have been increasing the number of channels. It has become increasingly difficult to search for services that you want to watch more. Therefore, in addition to the conventional information provision using a paper medium such as a latte column of a newspaper, SI (Service Information) transmitted from the transmission side as a stream.
on: program description information by program arrangement information, so-called EPG)
Program guides are being provided electronically.

On the other hand, current terrestrial broadcasting, BS analog broadcasting,
In addition, in CS and BS digital broadcasting, when displaying extraordinary news information forcibly presented by a broadcasting station or information such as the progress of a game at the time of sports broadcasting, a form superimposed on a video signal in advance (OSD; On Screen Display). )
Since the radio wave is transmitted as the video stream of the above, the original video signal of that portion is displayed on the screen in a hidden state.

[0004]

However, the information provided electronically as described in the prior art mainly consists of character information, and it is difficult to search for a desired service from an enormous amount of character-centered description. There are situations where the viewer must require a great deal of effort.

[0005] Further, these selections are not intuitive and there is a problem that it takes time to judge whether or not the user wants to view from a vast amount of text information. There is a problem that a scene being broadcast instantaneously cannot be viewed in real time.

As a method for solving these problems, in the Sky Perfect TV, the video of each channel is reduced and displayed on multiple screens in a multi-promotion service channel, and switching to each service is realized by selecting a screen. However, this realizes the screen selection by software built in the Sky Perfect TV compatible receiver. Therefore, GU including multi-screen layout
There is no flexibility in I-design, and it is a fixed service that cannot change screens and operation procedures.

Further, in the standard of BS digital data broadcasting by ARIB (Japan Radio Industry) in 1999,
A multi-view method for displaying a plurality of video streams on one data broadcast screen under the control of the data broadcast content has been established as a standard. As a result, as a standard, it has become possible to control the display of a plurality of channels of video with data broadcast content and construct a GUI.

However, in reality, it is difficult for a receiver to simultaneously combine and display a plurality of video streams (moving images), and it is not an essential standard.
In fact, there is no receiver capable of simultaneously displaying a plurality of video streams (multi-view display).

[0009] In addition, when information such as breaking news is subjected to OSD, it is certain that some of the viewers on the receiving side do not need such information. However, there is a problem that the present method forcibly displays such information, which makes the viewer troubled.

[0010] Since such information is displayed so as to be superimposed on the original video signal, a part of the information of the video signal is lost, thereby causing the viewer to miss a necessary scene. there is a possibility.

[0011] In a program such as a sports broadcast, where a point to be noticed on a video changes instantaneously or instantaneously,
When such information is displayed, there is also a problem that the display position of the information overlaps with the position of interest and a situation occurs in which the viewer cannot see the moment he wants to view.

Therefore, it is necessary to solve the problem by a method and a structure in which video signals of a plurality of channels can be simultaneously composited and displayed, and the compositely displayed video signal can be appropriately selected and switched to a desired channel. Have issues.

[0013] Further, there is a problem that information to be subjected to OSD of breaking news and the like must be solved by a method and a configuration that can control the display by the receiving side.

[0014]

In order to solve the above-mentioned problems, a multi-view channel selection method and a data content service system for digital broadcasting according to the present invention, a digital broadcast transmitting apparatus, a data display changing method and a data display changing system are provided. Is to have the following configuration.

(1) A transmission system combines service video signals to generate a service video signal, and transmits the service video signal and a plurality of data contents corresponding to the plurality of video signals. On the receiving side, the transmitted service video signal and the plurality of data contents are received, the service video signal is displayed as a list on a multi-screen including a plurality of screens, and the service video signal is displayed on the multi-screen. When a video of a desired channel is selected from the service video signal, the data content corresponding to the desired channel is associated with the desired channel, and switching to a desired channel is performed. Method. (2) The data content includes information for reducing and displaying the plurality of video signals included in the service video signal in accordance with a size of a screen forming the multi-screen. Multi-view channel selection method in digital broadcasting.

(3) The transmission system combines means for generating video signals for service by combining video signals of a plurality of channels, and a plurality of data contents corresponding to the plurality of video signals and the video signal for service. Means for transmitting as a video stream, on the receiving side, means for receiving the video stream, the service video signal included in the video stream to the display device on the receiving side,
Means for displaying a list on a multi-screen composed of a plurality of screens;
Means for associating the data content corresponding to the desired channel with selecting a video of a desired channel from the service video signals listed on the multi-screen; and Means for switching to a desired channel on a display device when associated with the data channel, and a data content service system for digital broadcasting. (4) The data content service system for digital broadcasting according to (3), wherein the data content includes information for reducing and displaying the service video signal according to a size of a screen constituting the multi-screen. .

(5) means for generating a service video signal by combining video signals of a plurality of channels, and means for transmitting the service video signal and a plurality of data contents corresponding to the plurality of video signals; Comprising, the data content, the service video signal transmitted to the data receiving device is displayed in a list as a multi-screen consisting of a plurality of screens that display the video signals of the plurality of channels,
When a desired screen is selected from the multi-screen, the video signal of the desired channel is associated with the data content corresponding to the desired video signal, and the information is switched to a desired video and displayed. Digital broadcast transmitting device. (6) The digital broadcast transmitting apparatus according to (5), wherein the data content includes information for reducing and displaying the service video signal according to a size of a screen forming the multi-screen.

[0018] (7) The information transmitting device transmits data additional information to be added to a data content associated with the video information to be transmitted or a video stream composed of the video signal and the data content corresponding to the video signal.
A data display changing method, wherein the data content or the data additional information is displayed or hidden according to selection of display or non-display of the data content and the data additional information. (8) When the display of the data content or the data additional information is selected, the display area of the data content or the data additional information is moved according to an arbitrary position moving operation on a display screen. 7) Data display change method described. (9) When the display of the data additional information is selected, the data additional information display area is reduced or enlarged, the character color of the display area, the gradation color, the background color, the transparent color of the background, and the translucent background. (7) The data display change method according to (7), wherein all or any of the colors can be executed.

(10) The information transmitting device transmits data content associated with a video signal to be transmitted or data additional information added to a video stream including the video signal and content data corresponding to the video signal. Wherein the data content and the data additional information include information for displaying or non-displaying the data content or the data additional information in accordance with selection of display or non-display. Change system. (11) The data content and the data additional information include information for moving a display area of the data content or the data additional information in accordance with an arbitrary position moving operation on a display screen when display selection is performed. (10) The data display change system according to (10). (12) When the display of the data additional information is selected,
The data additional information display area is reduced, enlarged, and executed by all or any combination of any one of character color, gradation color, background color, transparent background color, and translucent background color of the display area. (10) The data display change system according to (10), wherein

As described above, each of the service video signals obtained by synthesizing the video signals of a plurality of channels is displayed on the multi-screen, and the channel can be selected by looking at the displayed video, whereby the viewer can be selected. In, the user can select the desired channel while watching the video of the program currently being broadcast, so that the user can select the desired channel in real time and see the contents of the actual video, and switch automatically. Become.

[0021] Further, by enabling the viewer to control the display form of the data content such as breaking news and the intermediate information of the sports broadcast, it does not hinder the screen currently being viewed. Status display processing becomes possible.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a multi-view channel selection method, a data content service system, a digital broadcast transmission device, a data content display change method and a data content display change system according to the present invention will be described with reference to the drawings. This will be described with reference to FIG.

As shown in FIG. 1, a multi-view selection content service system that embodies a multi-view channel selection method in digital broadcasting according to a first embodiment of the present invention includes a plurality of channels (CH1 to CH9 in the embodiment). Encoder 9 for encoding each of the 9-channel video signals, a distributor 2 provided between the channel and the encoder 1, and a video signal for service to be used for multi-view by capturing the video signal distributed to the distributor 2 , An encoder 1a for encoding the service video signal generated by the video combiner 3, a data content transmitting device 4 for receiving multi-view selected content data and generating data content, Video signal for multiple channels and video signal for service A multiplexer 5 to create a single video stream by multiplexing the micro data content,
A modulator 6 modulates this video stream, and the modulated video stream is uplinked by a transmitter 7 and transmitted to a receiving side via a satellite 8.

On the other hand, the receiving side has an antenna 9 for receiving a video stream from the transmitting side, a receiving device 10, and a receiver 11 including a monitor television receiver, and includes a channel included in the received video stream. Operating means for switching the OSD and controlling the OSD, etc., and in the embodiment, the operating means may be operated by an operation panel of the receiving apparatus or may be operated by a remote control for remote control. There is a function to operate the multi-view. Although a remote control is not shown, a switching key for switching to a multi-view selection screen,
A left / right / up / down arrow key for moving a focus for designating one frame of the multi-screen in the left / right / up / down direction, a determination key, and the like are provided. Of course, other keys required for viewing are provided.

In the system having such a configuration, when the receiver on the receiving side receives the service video signal and the data content included in the received video stream, first, the multi-view selection content included in the data content is transmitted. It is possible to display a multi-screen consisting of a plurality of frames on the screen by functioning, and to display each service video signal for each frame of the plurality of frames. Since the service video signal is composed of the contents of each channel that is being displayed in real time, the video displayed on the multi-screen is the video that is actually being broadcast. Hereinafter, with reference to FIG. 2 and FIG. 3, a multi-view video selection method using a remote controller will be described with reference to FIG. 3 based on the flowchart of FIG.

First, in a state in which the receiver is capable of displaying the service of the multi-view selection content, the system waits for the viewer to switch the multi-view selection content service by the remote controller (steps ST1 and S1).
T2). When a service switch occurs, a multi-screen is displayed. In the embodiment, as shown in FIG. 3, the display area 12 of the receiver 11 is a multi-screen 13 formed by a rectangular frame divided into nine, and the service video signal is set to the size of the frame in each frame. It is reduced and displayed together.
That is, usually, the image to be displayed on the entire screen is reduced and displayed so that it can be displayed on one frame of the multi-screen. or,
The center frame is highlighted. This shows a state in which one frame is designated and focused.

When an input from the remote controller occurs in this state, the input key is checked (step ST).
3).

If the input key is an arrow key, a frame in the direction of the pressed arrow key is selected and the focus is moved (steps ST4 and ST5). For example, as shown in FIG.
The focus 14 moves from the four positions to the image at the upper position. When the down arrow key is pressed, the focus position at the central position moves to the downward frame.
Pressing the right arrow key moves the focus 14 to the center of the image frame in the right direction, and pressing the left arrow key moves the focus 14 from the center position to the left frame.

When the input key is not the arrow key but the enter key is pressed, in FIG. 4, if the frame downward from the frame at the current center position is to be focused, the image displayed in that frame is displayed. Is selected, the service of the multi-view selection content is switched, the selected video is displayed on the entire display area 12, and the multi-view selection ends (steps ST6 and ST7).

As described above, the user can switch to the multi-view selection content service by using the remote controller and watch the respective images displayed on the multi-screen to select a desired channel.

This point will be described in further detail with reference to FIG. 5. As described above, the present invention provides a service video signal obtained by synthesizing video signals of a plurality of channels and a data having a multi-view function. This is realized by linking the content.

First, when the receiver 11 on the receiving side receives this video stream, a plurality of service video signals included in the video stream are simultaneously transmitted, and as shown in FIG. A multi-screen 13 composed of a predetermined number of frames (9 frames in the embodiment) can be displayed on the data content 12 according to the data content. And FIG.
As shown in (B), the service video signals (services 1 to 9) are pseudo-reducedly displayed on each of the multi-screens 13. In the embodiment, the video signals of the services 1 to 9 of the service video signal are displayed in a reduced size. However, the present invention is not limited to this and can be changed as appropriate depending on the number of frames of the multi-screen 13. is there.
In addition, as described above, what is reduced and displayed in this frame is such that the image can be displayed in advance according to the number of frames and the size of the frame.

The viewer selects a service to be viewed using a remote controller or the like. At the time of selection, the focus display is moved by a remote controller to a rectangular area (within a frame) corresponding to the service selected by the viewer, so that the reaction to the viewer's operation can be explicitly confirmed.

At this time, although not shown, the video is viewed, and information associated with the video, such as a fee for the channel or a broadcast program being broadcast, program contents,
Various detailed information such as performers can be displayed. In this way, various information related to the video can be instantaneously transmitted to the viewer.

Returning to FIG. 5, in order to select one of the images of the services 1 to 9, the service frame is moved as desired. In the embodiment, the image of the service 1 is focused 14. Then, as shown in FIG. 5 (C), after selecting a specific service, in the embodiment, the service 1, by confirming the enter key, the data content corresponding to the desired channel is associated and selected. By switching to the service, the switched channel (service 1 in the embodiment) is displayed on the entire screen of the display area 12 and can be viewed.

As described above, the video itself of the video signal of a plurality of channels to be transmitted is displayed on the multi-screen, and the channel is selected while viewing the display state of the video. Various advantages can be enjoyed by the receiver manufacturer and the like. The following is a list.

The viewer on the receiving side can enjoy the following merits. It is possible to easily select a service to be viewed from a large number of services. Channels can be selected based on the current real-time broadcast video, so that a scene to be viewed is not missed. The content of the program can be perceived by the viewer not as text information but as a video, and the viewer can intuitively select a service. It is possible to provide the viewer with a more detailed service description and a real-time description of the current scene than the conventional EPG or the like. When a viewer makes a service selection, by displaying additional information for the service as a data broadcast,
Detailed information of the selected service can be provided to the viewer.

The following benefits can be enjoyed for the broadcasting company on the transmitting side. In order to realize the multi-view selection content, the capital investment amount of a special transmission system device other than the multi-screen combining device is small. There is no need to establish a special receiver use for realizing the multi-view selection content, and there is no need to incorporate the dedicated system into the receiver, so that it is not necessary to cooperate with the receiver manufacturer. The GUI is not fixed, but can be improved and changed at an arbitrary timing by the broadcaster. Broadcasters can view multiple services distributed by themselves as one video signal service,
You can commercialize your own distribution service,
As a result, it is possible to obtain viewers.

As a benefit that can be enjoyed by the receiver manufacturer, since multi-view selection content can be realized in the receiver, there is no need to incorporate a simultaneous composite function of a plurality of video streams.

Next, a data content display change method and a data content display change system in digital broadcasting according to a second embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 6, the data content display change system embodying the data content display change method in digital broadcasting according to the present invention has a plurality of video signals (9 channels CH1 to CH9 in the embodiment). An encoder 1 that encodes a video signal, a data content transmission device 4 that receives additional information such as a news flash or the like and data content content data to generate data content, and a multiplexed video signal and data content of a plurality of channels. It comprises a multiplexer 5 for creating one video stream and a modulator 6 for modulating this video stream. The modulated video stream is uplinked by a transmitter 7 and transmitted to a receiving side via a satellite 8.

On the other hand, the receiving side has an antenna 9 for receiving a video stream from the transmitting side, a receiving device 10, and a receiver 11 including a monitor television receiver, and includes a channel included in the received video stream. Operating means for switching the OSD and controlling the OSD, etc., and in the embodiment, the operating means may be operated by an operation panel of the receiving apparatus or may be operated by a remote control for remote control. A function for operating additional information or data content is provided. Although not shown, the remote control is provided with a key for changing display / non-display of additional information or data content, and for moving the additional information or data content to be displayed to an appropriate position on the screen. Needless to say, necessary keys are provided.

In such a configuration, the viewer is provided with the video signal including the additional information provided by the information transmitting apparatus which is the broadcasting station on the transmitting side and the data content created by the data broadcast coding method. Can display / hide these additional information and data contents, and can change the display position to any one of the upper, lower, left, and right positions.

The data contents transmitted by the broadcasting station are as follows:
A transparent or translucent color is used for the background, so that the information of the video signal is not damaged as much as possible.

In such additional information and data content, a content operation by a viewer's remote control operation is described, and basically the following processing is performed. When information is received, a process of presenting the received information to the viewer, a process of switching display / non-display of additional information or data content by pressing a decision key such as determination, and a process of pressing display direction keys such as up, down, left, and right. This is a process of switching the display position of information or data content.

The basic function of the additional information or data content having such various functions is to have a function of superimposing and displaying the video signal on the OSD area 17 as shown in FIG. First, as shown in FIG. 7A, a display screen 1 of the receiver is added to additional information or data content.
5 includes an image display area 16 for displaying an image and an OSD area 17 which is an area for superimposed display on the image display area 16. FIG. 7B shows a video signal of a size that can be displayed on the display screen 15. FIG. 7 (C)
Is a combination of these two functions.
In addition to displaying the video signal in the size of 5, the additional information or the data content is displayed in the OSD area 17.

The operation for additional information or data content having such a function will be described below with reference to FIG. 10 based on the flowcharts shown in FIGS.

First, when data content such as a news flash or the additional information of a video signal is received, it is notified of the reception (steps ST10 and ST11).

Next, a default position for displaying additional information or data content is displayed (step S).
T12). In this state, the key input is checked, and if the input key is a "return" key input, the display area for displaying the current additional information or data content is deleted, and the process returns to step ST13 to check the key input again. (Steps ST13 and ST14). In this case, FIG.
As shown in FIG. 0 (A), only the video signal is displayed without displaying the additional information or the data content.

In step ST15, if the key input is the input of the up arrow key, the display area of the current additional information or data content is deleted, and the additional information or data content is moved from the lower position of the screen to the upper position of the screen. Move the display area (steps ST16 and ST1)
7). In this case, as shown in FIG. 10B, the upper part of the display screen 15 becomes the OSD area 17a, and the additional information or the data content can be displayed.

If it is determined in step ST15 that the key input is not a press of the up arrow key, it is checked whether the key input is a down arrow key (step ST18).

If the up arrow key is pressed, the display area of the current additional information or data content is erased, and the additional information or data content is displayed at a position below the upper part of the screen (step). ST19, S
T20). In this case, as shown in FIG. 10C, the lower part of the display screen 15 becomes the OSD area 17b, and the additional information or the data content is displayed.

When the left arrow key is pressed for key input, the display area of the current additional information or data content is erased and displayed from the right display area to the left area of the screen (step). ST21, ST22, ST
23).

In step ST21, if the key input is the left arrow key, the display area of the current additional information or data content is deleted, and the display area is moved to the left display area from the display on the right part of the screen. (Step ST2
1, ST22, ST23). In this case, FIG.
As shown in the figure, the OSD area 17c is on the left side of the display screen 15, and the additional information or the data content is displayed.

In step ST21, if the key input is not the left arrow key, and if the input key is the right arrow key, the display area of the current additional information or data content is deleted, and the Move to the display area to the right of the display of the section (step ST24, S
T25, ST26). In this case, as shown in FIG.
d, where additional information or data content is displayed.

In step ST24, if the input key is not the right arrow key, the channel switching operation is started if the key input check is channel switching; otherwise, step ST1 is performed.
Then, the process returns to Step 3 to perform input processing of arrow keys in the left, right, up and down directions (Step ST27).

If the additional information or the display area of the data content can be changed according to the viewer's preference with respect to the video of the video signal displayed in the data content, for example, as shown in FIG. Screen 1
FIG. 11 shows a case where a sports game is being broadcast live.
As shown in (A), the OSD area 17 at the lower position of the screen
When the additional information or the data content is displayed, the essential part becomes invisible or difficult to see.

On the other hand, as shown in FIG. 11 (B), when it is necessary to see an instantaneous element of watching a sport, the additional information or data content displayed in the OSD area cannot be displayed. That is, the currently watching video can be viewed on the entire display screen 15.

Next, a modified example relating to the movement of the OSD area displayed on the display screen will be described with reference to FIGS.
This will be described with reference to FIG.

In the modification, the additional information or the data content transmitted from the broadcast station is displayed as a pop-up window. The window displaying the additional information or the data content is reduced in size when a cancel button such as “return” is pressed. The window for displaying the additional information or the data content is enlarged by pressing a decision key such as "OK". The displayed position of the reduced / enlarged window is moved to an arbitrary position on the upper, lower, left, and right screens by pressing arrow keys such as up, down, left, and right.

First, when the data content having the additional information or the data content is received, it is reduced and displayed at the default position (steps ST20 and ST21). In this case, as shown in FIG.
e is substantially at the center of the display screen 15.

In this state, the key input is checked, and if the input key is "enter", the display area for displaying the current additional information or data content is enlarged and returned to step ST13 again. Key input is checked (steps ST22 and ST23). In this case, as shown in FIG. 114B, the OSD area 17f is an area that can be enlarged and displayed.

In step ST22, if the key input is not "OK", if it is the next "return" key input, the display area of the current additional information or data content is reduced (steps ST24 and ST25). ).
In this case, as shown in FIG.
The reduced OSD area 17g is secured and displayed in a reduced size.

In step ST24, if the key input is not the pressing of the "return" key, and if the key input is an upward arrow key, the display area of the current additional information or data content is displayed at the top of the screen. It moves (steps ST26 and ST27). In this case, FIG.
As shown in FIG.
An area 17h is displayed, and additional information or data content is displayed.

In step ST26, if the key input is not the down arrow key and the key input is the down arrow key, the display area of the current additional information or data content is shifted downward in the screen. Move (steps ST28 and ST29). In this case, FIG.
As shown in FIG. 5, the OSD area 17i is located downward with respect to the display screen 15, and additional information or data content is displayed.

In step ST28, if the key input is not the down arrow key and the input key is the left arrow key, the display area of the current additional information or data content is moved to the left part of the screen. (Steps ST30 and ST31). In this case, FIG.
As shown in the figure, the OSD area 17j is located on the left side of the display screen 15, and additional information or data content is displayed here.

In step ST30, when the key input is not the left arrow key and the input key is the right arrow key, the display area of the current additional information or data content is moved to the right part of the screen. (Steps ST32 and ST33). In this case, FIG.
As shown in (1), the OSD area 17k is located on the left side of the display screen 15, where additional information or data content is displayed.

In step ST32, if the input key is not the right arrow key, the channel switching operation is started if the key input is channel switching, otherwise the process returns to step ST22. Input processing such as left, right, up and down arrow keys is performed (step ST34).

In this manner, only by operating the remote controller,
Erasing, moving, enlarging, and reducing the area for displaying the additional information or the data content can be performed according to the viewer's preference. In addition, without being limited to these, the character color, gradation color, background color, background transparent color, and background color of the display area for displaying the additional information or data content attached to or independent of these operations. Of the translucent color can be appropriately selected.

[0070]

As described above, the multi-view channel selection method and the multi-view selection content service system for digital broadcasting according to the present invention display video of video signals of a plurality of channels on a multi-screen at a receiver. Since a desired channel can be selected by selecting a specific video, there is an effect that a channel desired to be viewed can be easily selected in real time.

The influence on the screen being viewed can be minimized by appropriately changing or erasing the display form of the data content such as news or the additional information of the video signal displayed on the screen. There is an effect that can be.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram schematically showing a multi-view selection system according to the present invention.

FIG. 2 is a flowchart showing an operation of the Baltiview selection.

FIG. 3 is an explanatory diagram showing a multi-view selection screen.

FIG. 4 is an explanatory diagram showing a focus transition state of a multi-screen by the same remote controller or the like.

FIG. 5 is an explanatory diagram conceptually showing a method of selecting a video using a multi-view.

FIG. 6 is a schematic overall configuration diagram showing a system for transmitting additional information or data content according to a second embodiment.

FIG. 7 is an explanatory diagram showing a concept of displaying additional information or data content on a screen according to the data content.

FIG. 8 is a flowchart for processing the additional information or data content.

FIG. 9 is a flowchart for processing the additional information or data content.

FIG. 10 is an explanatory diagram showing a processing form of the additional information or the data content.

FIG. 11 is an explanatory diagram showing an example of a processing mode of the additional information or the data content.

FIG. 12 is a flowchart of the modification.

FIG. 13 is a flowchart of the modification.

FIG. 14 is an explanatory diagram conceptually showing the operation of the modification.

[Explanation of symbols]

1; Encoder, 1a; Encoder, 2; Distributor, 3;
Video combiner, 4; data content transmitting device, 5; multiplexer, 6; modulator, 7; transmitter, 8; satellite, 9;
Antenna, 10; receiving device, 11; receiver, 12; display area, 13; multi-screen, 14; focus, 15; display screen, 16; video display area, 17; OSD area, 17
a to 17j: OSD area

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (reference) H04N 7/08 H04N 7/08 Z 7/081 F term (reference) 5C023 AA14 AA16 AA18 AA27 AA28 AA38 BA01 BA11 CA01 CA06 DA04 EA03 5C025 AA23 CA02 CA09 CB10 DA05 5C063 AA01 AB03 AB07 AC01 AC10 CA23 CA29 CA36 DA03 DA13

Claims (12)

[Claims] A transmitting system for generating a service video signal by combining video signals of a plurality of channels, and transmitting the service video signal and a plurality of data contents corresponding to the plurality of video signals; On the receiving side, the transmitted service video signal and the plurality of data contents are received, the service video signal is displayed as a list on a multi-screen including a plurality of screens, and the service displayed on the multi-screen is displayed. Selecting a video of a desired channel from the video signals for use, the data content corresponding to the desired channel is associated with the selected channel, and switching to the desired channel is performed. . 2. The data content includes information for reducing and displaying the plurality of video signals included in the service video signal in accordance with a size of a screen forming the multi-screen. 2. The multi-view channel selection method in digital broadcasting according to 1. 3. A transmission system, comprising: means for combining video signals of a plurality of channels to generate a service video signal;
Means for transmitting a plurality of data contents corresponding to the plurality of video signals and the service video signal as a video stream, on the receiving side, means for receiving the video stream; and Means for displaying the service video signal on the display device on the receiving side on a multi-screen composed of a plurality of screens, and, among the service video signals listed on the multi-screen, displaying a video of a desired channel. Means for associating the data content with the desired channel when selected, and means for switching and displaying the desired channel on a display device when the data content is associated with the desired channel. Data content service system for digital broadcasting. 4. The data content in digital broadcasting according to claim 3, wherein the data content includes information for reducing and displaying the service video signal in accordance with a size of a screen constituting the multi-screen. Service system. 5. A means for combining video signals of a plurality of channels to generate a service video signal, and means for transmitting the service video signal and a plurality of data contents corresponding to the plurality of video signals. The data content, the service video signal transmitted to the data receiving device is displayed as a multi-screen composed of a plurality of screens that display the video signals of the plurality of channels, and a desired screen is selected from the multi-screen. Then, the digital broadcast transmitting apparatus includes information for associating a video signal of a desired channel with a data content corresponding to the desired video signal and switching and displaying the desired video. 6. The digital broadcast transmitting apparatus according to claim 5, wherein the data content includes information for reducing and displaying the service video signal according to a size of a screen constituting the multi-screen. 7. An information transmitting apparatus sends out data additional information to be added to a data content associated with video information to be transmitted or a video stream comprising said video signal and data content corresponding to said video signal. A data display changing method, wherein the data content or the data additional information is displayed or hidden according to selection of display or non-display of the content and the data additional information. 8. When the data content or the data additional information is selected for display, the display area of the data content or the data additional information is moved according to an arbitrary position moving operation on a display screen. 8. The data display change method according to claim 7, wherein: 9. When the data additional information is selected for display, the data additional information display area is reduced or enlarged, the character color of the display area, the gradation color, the background color, the background transparent color, 8. The data display changing method according to claim 7, wherein all or any of the translucent colors can be executed in combination. 10. An information transmitting apparatus includes means for transmitting data content associated with a video signal to be transmitted or data additional information added to a video stream comprising said video signal and content data corresponding to said video signal. Wherein the data content and the data additional information include information for displaying or non-displaying the data content or the data additional information in accordance with selection of display or non-display. system. 11. The data content and the data additional information include information for moving a display area of the data content or the data additional information in response to an arbitrary position moving operation on a display screen when display selection is performed. The data display change system according to claim 10, wherein 12. When the data additional information is selected for display, the data additional information display area is reduced, enlarged, the character color of the display area, the gradation color, the background color, the background transparent color,
11. The apparatus according to claim 10, wherein all or any of the translucent colors of the background can be executed.
Data display change system described.