JP2004336411A - Apparatus and system for receiving broadcast - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a viewer to know contents of emergency information without interrupting a program currently viewed, to easily read the contents of the emergency information by utilizing advantages of a multi-screen, and to freely set the definition of emergency information by a user. <P>SOLUTION: This apparatus is provided with an information detecting means for detecting whether or not specific information is included in any program lineup information of broadcast waves received by a plurality of receiving means, a program detecting means for detecting a program relating to the specific information on the basis that the information detecting means detects the specific information included in one of a plurality of the broadcast waves received by the plurality of receiving means, and a display mode switching means for switching a display mode so that the program detected by the program detecting means has a larger size than the other program. Further, the apparatus is provided with a specific information setting means for allowing the user to arbitrarily set the specific information. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method for displaying received emergency information in a wide-area broadcasting service such as television broadcasting in which emergency information such as emergency information is added to a broadcast wave.
[0002]
[Prior art]
In recent years, studies have begun on the digital broadcasting system from the conventional analog system as the television broadcasting system. With the new technological innovation of digitization, television broadcasting has become more sophisticated as an information and communication medium, and it has developed dramatically. Trying to accomplish. In Japan, digitization has already been realized in broadcasting using CS (Communication Satellite) such as PerfectTV and DirectTV, and broadcasting using BS (Broadcasting Satellite). Furthermore, digitalization of terrestrial waves is being studied at present, and all broadcast waves are going to be changed to digital systems in the near future.
[0003]
An advantage of digital television broadcasting is that a program of three channels can be transmitted in a frequency band corresponding to one channel in an analog system and three channels in a digital system, and multi-channel can be realized. As a result, new services such as a multi-program (mixed multiplex program) combining news, sports, drama, and the like, and a multi-channel broadcast that broadcasts three different programs in one channel are realized.
[0004]
In order to support such a multi-program service or multi-channel broadcasting, a television broadcasting receiver for digital television broadcasting is capable of displaying a plurality of video sources on one display screen and capable of multi-screen display. There is.
[0005]
Further, in digital television broadcasting, not only video and audio broadcasting but also an integrated broadcasting service to which various data broadcastings are added becomes possible. Services that add data broadcasting are divided into those that provide multimedia services by adding data information to television programs and those that provide independent services separate from television programs. May include viewer-participating television, home shopping, various information services, and weather forecasts and news that can be viewed at any time.
[0006]
In such digital television broadcasting, for example, emergency information such as earthquake information and typhoon information, and information such as the name of a program related to a program, the broadcast date and time, or a description of the content are converted into video / audio data as program arrangement information using data broadcasting. It is multiplexed with information and broadcast. By using such program arrangement information, it is possible to create and provide a convenient function such as an EPG (Electrical Program Guide) in the broadcast receiving apparatus.
[0007]
2. Description of the Related Art Conventionally, when a broadcast receiving apparatus receives emergency information, the broadcast information is combined with video information displaying the text information and displayed. Therefore, if the viewer was watching a different program from that of the broadcaster on which the emergency information was broadcast, the viewer could not know the emergency information.
[0008]
In order to solve such a problem, Japanese Patent Application Laid-Open No. H11-146377, entitled "Emergency Information Transmission System", adds attribute information indicating the degree of urgency to broadcast information, and a broadcast receiving apparatus sets a predetermined value based on the attribute information. It describes an emergency information transmission system that performs the above procedures.
[0009]
That is, here, when the degree of urgency is high, the program being viewed is automatically switched to the urgent program based on the added attribute information and displayed, whereby the program with high urgency is displayed with the highest priority. That is. Also, if emergency information is received while the power of the broadcast receiving device is not turned on, the emergency information is displayed by automatically turning on the power of the broadcast receiving device according to the degree of urgency. However, if the degree of urgency is low, the emergency information is temporarily stored in a storage device inside the broadcast receiving device, and the emergency information stored in the storage device is automatically restored the next time the power of the broadcast receiving device is turned on. The function of displaying priority is also described.
[0010]
[Problems to be solved by the invention]
However, in the above-described conventional emergency information display means, when automatically switching to an emergency program different from the program being viewed, an important scene such as a sports scoring scene may be missed.
[0011]
Further, in a case where a program on which emergency information has been broadcast and another program have been simultaneously viewed on the multi-screen display, and a program on which emergency information has been broadcast is displayed in a small size as an auxiliary, FIG. As shown in the figure, there is a risk that the characters become small and the emergency information cannot be read.
[0012]
The present invention has been made in view of the conventional problems, and takes advantage of the multi-screen, when the broadcast receiving device receives emergency information, the program being viewed and the broadcast of the emergency information Are displayed at the same time, thereby providing a means for knowing the contents of the emergency information without interrupting the program being viewed.
[0013]
Further, according to the present invention, when the broadcast receiving device receives the emergency information, the content of the emergency information can be easily read by displaying the program on which the emergency information is broadcast larger than other programs. It provides a means.
[0014]
Further, the present invention provides a means by which the definition of emergency information can be freely set by the viewer. This is to provide emergency information display means corresponding to the user.
[0015]
[Means for Solving the Problems]
In order to achieve the above object, the present invention comprises a plurality of receiving means capable of receiving a plurality of broadcast waves in which program sequence information is multiplexed in addition to video information and audio information of a program, Means for generating video information of an arbitrary size from the plurality of broadcast waves received by the means, and combining and displaying the plurality of broadcast waves, wherein the plurality of broadcast waves received by the plurality of receiving means Information detecting means for detecting whether or not specific information is included in any of the program arrangement information; and any one of the plurality of broadcast waves received by the plurality of receiving means by the information detecting means. The program detection means for detecting a program related to the specific information by detecting that the specific information is included in the program, and the program detected by the program detection means is set to be larger than other programs. And a display mode switching means for switching a display mode to Shimesuru so.
[0016]
Further, the broadcast receiving device includes a specific information setting unit for allowing a viewer to arbitrarily set the specific information.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiments of the present invention will be described below in detail with reference to the drawings.
[0018]
(First embodiment)
FIG. 1 is a block diagram showing a configuration of a broadcast receiving apparatus as one embodiment of the present invention. In this example, it is assumed that four digital broadcast waves are received, and as for the video information among the information obtained from the broadcast waves, the video information from each of the broadcast waves can be synthesized and a maximum of four screens can be displayed at the same time. Regarding information, it is assumed that one of audio information from each broadcast wave is selected and output. Here, the input four digital broadcasting waves are distributed by the same broadcasting means even if they are input by different broadcasting means such as CS broadcasting, BS broadcasting, or terrestrial digital broadcasting. Even if it is input, it can take the same configuration as that shown in the embodiment.
[0019]
Reference numerals 10, 11, 12, and 13 denote digital broadcast processing units for demodulating a received digital broadcast wave to obtain digital audio information, video information, and data information. Shall be taken.
[0020]
FIG. 2 is a block diagram showing a configuration example of the digital broadcast processing units 10, 11, 12, and 13.
[0021]
In FIG. 2, reference numeral 101 denotes a demodulation unit for demodulating a received digital broadcast wave and restoring it to a digital signal before modulation processing. The digital signal restored by the demodulation unit 101 is checked by an error correction unit 102 for data loss or data corruption. If any data abnormality has occurred, restoration to correct data is performed. Done. The signal checked by the error correction unit 102 is then separated by the demultiplexing unit 103 into various data broadcast materials including emergency information such as video, audio, and emergency information. Regarding the audio information among the broadcast materials separated by the demultiplexing unit 103, the audio decoding unit 104 converts the audio information related to the channel specified by the CPU 14 into the audio information before being encoded. Output.
[0022]
As for the video information, the video decoding unit 106 converts the video information regarding the channel designated by the CPU 14 into the video information before being encoded, and the transparent synthesis processing unit 107 causes the CPU 14 to convert the video information into the background information storage unit. After the synthesizing process with the background information set in 108 is performed, the resolution converting unit 109 enlarges the image to display the entire display area of the display device 20, and the video signal synthesizing unit 18, which will be described later. A reduction process is performed to combine the image information with other video information and display it as a multi-screen. As the resolution conversion processing method here, a known linear interpolation method for obtaining a pixel to be interpolated from four neighboring pixels, a Cubic interpolation method for obtaining a pixel to be interpolated from 16 neighboring pixels, or the like is used.
[0023]
Here, it is assumed that the background information storage unit 108 can store the information amount of the same area as the area of the video information decoded by the video decoding unit 106, and stores the video information decoded by the video decoding unit 106 The background information stored in the background information storage unit 108 is transparently synthesized by the transparent synthesis processing unit 107. That is, the transparent composition processing unit 107 transmits a transmittance (hereinafter, referred to as a transmittance) when the background information stored in the background information storage unit 108 and the video information decoded by the video decoding unit 106 are transparently combined. , Α value) are transferred from the CPU 14, and the video information decoded by the video decoding unit 106 and the background information stored in the background information storage unit 108 are converted according to the α value. Assume that they are transparently synthesized.
[0024]
FIG. 3 shows that the α value set in the transparent combination processing unit 107, the video information decoded by the video decoding unit 106, and the background information stored in the background information storage unit 108 are transparently combined. FIG. 5 is a diagram showing an example of correspondence with the transmittance. For example, when the α value is “0”, the opacity of the background information stored in the background information storage unit 108 becomes 0%, and the video information decoded by the video decoding unit 106 is displayed. In the case of “255”, the opacity of the background information stored in the background information storage unit 108 becomes 100%, the still image information stored in the background information storage unit 108 is displayed, and the α value is changed from “1”. In the range up to “254”, the video information decoded by the video decoding unit 106 and the background information stored in the background information storage unit 108 are combined and displayed according to the opacity ratio. It will be.
[0025]
Returning to FIG. 2 again, the video information processed by the resolution conversion processing unit 109 is temporarily stored in a storage unit included in the resolution conversion processing unit 109, and a pixel clock signal ( PCLK), a horizontal synchronizing signal (HSYNC), and a vertical synchronizing signal (VSYNC).
[0026]
Regarding various data information transmitted as data broadcast, the data information encoded by the data decoding unit 105 is converted into data information before being encoded, and is output to the CPU 14.
[0027]
Referring back to FIG. 1, the above-described processing is performed, and among the broadcast materials output from the digital broadcast processing units 10, 11, 12, and 13, audio information is output by the audio selection unit 15 to the viewer. Thus, a sound corresponding to a video screen designated to be viewed as a main through a remote controller (hereinafter, referred to as a remote controller) 26 is selected, and a digital / analog conversion unit (hereinafter, referred to as a D / A conversion unit) 16 is selected. After being converted from a digital signal to an analog signal by the D / A converter 16, it is reproduced as an audible sound by a speaker 17 connected to the outside.
[0028]
Regarding the video information, the video signal synthesis processing unit 18 converts the character data from the CPU 14 or the still image information generated by the graphic controller 22 and the video output from the digital broadcast processing 10, 11, 12, 13 into Synchronized with the pixel clock signal (PCLK), the horizontal synchronization signal (HSYNC), and the vertical synchronization signal (VSYNC) generated by the synchronization signal generation unit 21, they are synthesized and output according to the display position information designated by the CPU 14, and D After the digital signal is converted into an analog signal by the / A conversion unit 19, the signal is output to the display unit of the broadcast receiving device or the display device 20 connected to the outside and reproduced.
[0029]
The synchronization signal generator 21 generates and outputs a vertical synchronization signal VSYNC or a horizontal synchronization signal HSYNC as a timing signal for displaying on the display device 20, and a PCLK signal as a pixel clock.
[0030]
Various types of data information output from the digital broadcast processing units 10, 11, 12, and 13 include information composed of character data like emergency information and information composed of still image data related to a broadcast program. As a coding method of still image data, a compression algorithm such as JPEG (Joint Photographic Experts Group), PNG (Portable Network Graphics) or MNG (Multiple-image Network Graphics) is used as a character encoding algorithm such as a character encoding algorithm. An 8-unit code system in which bytes and alphanumeric characters are represented by 1 byte and these character sets are switched by control codes is used. When the various data information includes still image data, the CPU 14 issues a command to the graphic controller 22 to generate still image data, and the graphic controller 22 draws a line or draws a rectangle according to the command issued from the CPU 14. , Processing such as data movement in rectangular units.
[0031]
The character data received by the CPU 14 as various data information or the still image data generated by the graphic controller 22 is set in the background information storage unit 108 of any of the digital broadcast processing units 10, 11, 12, and 13, and the broadcast wave The background of the video information after being synthesized for each video signal or set in the video signal synthesis processing unit 18 and synthesized by the video signal synthesis processing unit 18 from the digital broadcast processing units 10 to 13 It is synthesized as a screen.
[0032]
The I / O controller 23 includes a modem 24 for realizing two-way communication between a viewer and a broadcast station in a viewer participation type quiz program or a program such as television shopping, and a program selection or volume control by a user. An infrared light receiving unit 25 for receiving a radio wave from a remote controller 26 on which an operation is performed is connected, and controls these devices in accordance with an instruction from the CPU 14.
[0033]
The CPU 14 is a main controller that controls the entire broadcast receiving device described above, and issues an instruction to the graphic controller 22 to generate still image data such as an EPG from various data information transmitted as a data broadcast, It controls various input / output devices via the I / O controller 23, sets moving image / still image switching information for the video signal synthesizing processing unit 18, and controls digital broadcasting processing units 10, 11, 12, and 13. To set the channel information to be reproduced. Reference numeral 27 denotes a ROM (Read Only Memory) storing a program to be executed by the CPU 14, and reference numeral 28 denotes a RAM (Random Access Memory) used as a work area.
[0034]
According to the configuration example described above, a multi-screen display as shown in FIG. 14 can be performed. In FIG. 14, the video information obtained from the four digital broadcasting waves is displayed simultaneously. One of the screens is mainly used for viewing and is larger than the screens of the other systems. The screen being viewed is called a parent screen, and the other screens are called child screens. The sound is also set to the sound selecting unit 15 by the CPU 14 so that the sound corresponding to the main screen is output from the speaker 17.
[0035]
Next, a configuration of a broadcast receiving apparatus related to processing of specific information, which is a feature of the present invention, will be described. In this example, a process when emergency information is received as specific information included in program arrangement information will be described.
[0036]
Returning to FIG. 1 again, reference numeral 29 denotes a specific information detection unit that monitors data information output from the digital broadcast processing units 10, 11, 12, and 13 and detects whether the specific information is included. In digital broadcasting, emergency information such as earthquake information and typhoon information, or channel information and titles related to programs, as well as various information such as program contents, start time, end time, duration, etc., are included in data broadcast program arrangement information. You can easily know from. When detecting that any of the data information output from the digital broadcast processing units 10, 11, 12, and 13 includes the emergency information, the specific information information detection unit 29 sends a signal indicating that the emergency information has been detected, together with a signal indicating that the emergency information has been detected. Then, program information indicating which series of which program the emergency information was detected is output to the CPU 14.
[0037]
The CPU 14 performs predetermined processing when the specific information detection unit 29 detects that any of the data information output from the digital broadcast processing units 10, 11, 12, and 13 includes emergency information. Become.
[0038]
30 adds the emergency information to the video information when the specific information detection unit 29 detects that any of the data information output from the digital broadcast processing units 10, 11, 12, and 13 includes the emergency information. When displaying the video information to which emergency information is added, a display form storage unit for storing in advance the layout information of the screen that displays the display of the video information to be added larger than other video information according to the number of screens to be displayed. is there. In addition, the specific information detection unit 29 detects that any of the data information output from the digital broadcast processing units 10, 11, 12, and 13 includes emergency information in the specific information detection unit 29. A display state storage unit for reading layout information of the multi-screen and temporarily storing the previous screen layout information when changing the screen configuration according to the read layout information.
[0039]
In the above configuration, the processing in the CPU 14 when the specific information detection unit 29 detects that any of the data information output from the digital broadcast processing units 10, 11, 12, and 13 includes emergency information. Is shown in the flowchart of FIG.
[0040]
When the CPU 14 receives the signal indicating that the emergency information has been detected from the specific information detection unit 29, first, it is determined whether the emergency information has been performed in the currently displayed program from the program information output from the specific information detection unit 29. If emergency information is performed in a program different from the currently displayed program (S101), the display state (screen configuration and screen layout, displayed program information, etc.) at that time is temporarily determined. ) Is stored in the display state storage unit 31 (S104), and it is determined whether all the video information output from the digital broadcast processing units 10, 11, 12, 13 is displayed (S105). If not, the channel is set to the digital broadcast processing unit not used for displaying the video information so as to output the video information on the program for which the emergency information has been performed (S 06). If it is determined in S105 that all the video information output from the digital broadcast processing units 10, 11, 12, and 13 is displayed, the digital broadcast processing unit with the lowest priority other than the display as the parent screen is performed. On the other hand, a channel is set so as to output video information on a program for which emergency information has been performed (S107). Here, there is no particular restriction on the setting of the priority order for the child screen. Next, the layout information corresponding to the number of screens to be displayed is read from the display mode storage unit 30 (S108), and the resolution conversion processing unit 109 and the video signal synthesis processing unit 18 in the corresponding digital broadcast processing unit are read in accordance with the read layout information. The setting is made for this (S109). Next, the background information is set to the video signal synthesis processing unit 18 so that a display indicating that emergency information has been received is displayed on the background when the video information obtained from the digital broadcast waves of each system is synthesized and displayed. Then, the content of the received emergency information is set in the background information storage unit 108 in the digital broadcast processing unit where the emergency information is detected (S111). Thereafter, it is determined whether or not the display of the received emergency information has been completed (S112). If the display has not been completed, the process returns to S111 again and the display of the received emergency information is continued. When the display of all the emergency information is completed, the display state stored in the display state storage unit 31 is read (S113), and the resolution conversion processing unit 109 and the video signal synthesis in the corresponding digital broadcast processing unit are read according to the read information. Settings are made for the processing unit 18 (S114). Further, the background information is set so that the display indicating that the emergency information has been received, which has been set as the background when combining and displaying the video information obtained from the digital broadcast waves of each system, is deleted (S115). . By the above processing, the display content can be returned to the display state before the processing at the time of receiving the emergency information, and the processing due to the reception of the emergency information ends.
[0041]
If it is determined in S101 that emergency information has been performed on the currently displayed program, it is next determined whether the video signal synthesizing unit 18 has been instructed to display a multi-screen (S102). When the display is performed on the screen, the display state (the screen configuration, the screen layout, the displayed program information, and the like) at that time is temporarily stored in the display state storage unit 31 (S103). The subsequent processing is the same as the processing from S108 to S115 already described above.
[0042]
Here, if it is determined in S102 that the multi-screen display is not being performed, the display information is received by the background information storage unit 108 in the digital broadcast processing unit in which the emergency information is detected while maintaining the display screen configuration. The contents of the received emergency information are set (S116), and thereafter, it is determined whether or not the display of the received emergency information is completed (S117). When the display of all the received emergency information is completed, the process ends. .
In this example, regarding the audio, even if an emergency broadcast is detected in another program while the program is being viewed and a program in which the emergency broadcast is detected is displayed in addition to the program that was being viewed until then, the audio information is not changed. It is assumed that a program corresponding to the program which has been viewed until now is continuously output.
[0043]
An example of a display screen generated by the above-described processing is shown in FIGS.
[0044]
FIG. 5 shows a state when an emergency broadcast is detected in another program while viewing one program on a single screen, as shown in (1). In such a case, the processing is performed in the flow of S101, S104 to S106, and S108 to S115 shown in FIG. In S108, the screen configuration has a two-screen configuration of the currently displayed screen and the screen displaying the program for which the emergency information has been performed, so that the layout information corresponding to the two-screen display is read from the display mode storage unit 30. Become. In step S109, according to the layout information read from the display mode storage unit 30, the corresponding digital data is displayed in such a manner that the program on which the emergency information is performed is displayed in a large area and the currently displayed screen is displayed in a small area. The settings are made for the resolution conversion processing unit 109 and the video signal synthesis processing unit 18 in the broadcast processing unit, and in S110, a display indicating that emergency information has been received is displayed here as a display indicating that emergency information has been received. The setting is performed for the video signal synthesis processing unit 18 to perform the setting. As a result, as shown in FIG. 5 (2), the program being viewed and the program on which the emergency information has been performed are simultaneously displayed on the display screen, and the viewer receives the message "Emergency information has been received. , The reason why the screen configuration has changed can be automatically known. Thereafter, when it is detected that the display of the received emergency information is completed in S112, the process automatically returns to the original display screen as shown in (3) of FIG. 5 in the processing of S113 to S115.
[0045]
In FIG. 6, as shown in (1), when all the video information output from the digital broadcast processing units 10, 11, 12, and 13 are viewed in the same size on all four screens, as shown in (1). 19 shows a state when an emergency broadcast is detected in a program displayed as a main screen. In such a case, processing is performed according to the flow of S101 to S103 and S108 to S115 shown in FIG. In S108, the layout information corresponding to the four-screen display is read from the display mode storage unit 30 because the four screens whose number of the currently displayed screens are the largest in this example have already been displayed. In S109, in accordance with the layout information read from the display mode storage unit 30, the digital broadcast processing unit in the corresponding digital broadcast processing unit is adapted to display the program in which the emergency information is performed in a large area and the other programs in a small area. The setting is performed on the resolution conversion processing unit 109 and the video signal synthesis processing unit 18, and here, as a display indicating that the emergency information has been received in S 110, the image “Emergency information has been received” is displayed. The setting is performed for the signal synthesis processing unit 18. As a result, as shown in FIG. 6 (2), the program that has been viewed and the program for which the emergency information has been performed are simultaneously displayed on the display screen. You can automatically know the reason for the change in the screen configuration by looking at the display "I did." Thereafter, when it is detected in S112 that the display of the received emergency information is completed, in the processing of S113 to S115, the display automatically returns to the original display screen as shown in (3) of FIG.
[0046]
Here, as for the audio information, since the one corresponding to the program that was being viewed until then is continuously output, the viewer can know the contents of the emergency information without interrupting the program that was being viewed so far. It becomes.
[0047]
In this example, the situation when the emergency broadcast is detected in the program displayed as the main screen has been described.However, even when the emergency broadcast is detected in the program displayed on another child screen, A similar process will be performed.
[0048]
When an emergency broadcast is detected in another program that is not any of the programs displayed on the four screens, the processing is performed in the flow of S101, S104 to S105, and S107 to S115 shown in FIG. In S107, the channel is set to the digital broadcast processing unit having the lowest priority displayed as the child screen so as to output the video information on the program on which the emergency information has been performed, and so on. Is performed.
[0049]
FIG. 6 shows a case where all the video information output from the digital broadcast processing units 10, 11, 12, and 13 are viewed in the same size on all four screens, but the main screen is large. Even when other child screens are displayed in a small size, the same processing as described with reference to FIG. 6 is performed.
[0050]
According to the configuration described above, when the broadcast receiving apparatus receives emergency information in a program other than the program being viewed, the broadcast receiving apparatus simultaneously displays the program being viewed and the program on which the emergency information was broadcast. By doing so, it is possible to know the contents of the emergency information without interrupting the program being viewed.
[0051]
Also, when multiple programs are viewed simultaneously by multi-screen display, if emergency information is received among the programs being viewed, the program on which the emergency information was broadcast is displayed as a small auxiliary display. In the case where the emergency information is broadcasted, the content of the emergency information is changed by changing the screen display mode so that the program on which the emergency information is broadcast is displayed larger than other programs in accordance with the predetermined screen layout information. Can be easily read.
[0052]
In this example, the embodiment in which the number of broadcast waves that can be processed simultaneously is four is shown in FIG. 1, but the same processing is performed when the number of other input waves is different, which is completely different from this embodiment. Not something.
[0053]
(Second embodiment)
In the first embodiment, when there is emergency information while watching a program, the program being viewed and the program for which the emergency information was performed are changed by changing the screen display mode according to predetermined screen layout information. A description has been given of the means by which it is possible to see at the same time, and to be able to easily read the contents of the emergency information.
[0054]
In this example, when multiple programs are being watched simultaneously by multi-screen display, if emergency information is received among the programs being viewed, the display position of the program that is being displayed at the maximum is determined. By swapping the display position of the program that is displayed at the maximum and the display position of the program that received the emergency information, the layout information of the predetermined screen is not prepared, and the emergency information can be obtained by a simple process. Means that make it easy to read the contents of the description will be described.
[0055]
FIG. 7 is a block diagram illustrating the configuration of the broadcast receiving apparatus according to the present embodiment.
[0056]
7, the display mode storage unit 30 and the display state storage unit 31 are omitted from the configuration of the broadcast receiving apparatus according to the first embodiment shown in FIG. That is, in this example, when the specific information detection unit 29 detects that any of the data information output from the digital broadcast processing units 10, 11, 12, and 13 includes emergency information, the CPU 14 Processing for changing the display mode is performed without using predetermined screen layout information.
[0057]
In the above configuration, the processing in the CPU 14 when the specific information detection unit 29 detects that any of the data information output from the digital broadcast processing units 10, 11, 12, and 13 includes emergency information. Is shown in the flowchart of FIG.
[0058]
First, when the CPU 14 receives the signal indicating that the emergency information is detected from the code information detection unit 23, the CPU 14 determines whether the emergency information is performed in the currently displayed program from the program information output from the specific information detection unit 29. If it is determined that emergency information has been performed on the currently displayed program (S201), it is determined whether or not the video signal synthesis processing unit 18 has been instructed to display a multi-screen (S202). If it is determined that multi-screen display is being performed, the largest screen is detected from the display size of each screen set for the video signal synthesis processing unit 18 and the screen is detected. Is obtained (S203). Next, it is determined whether or not the display position information of the largest displayed screen obtained in S203 is the same as the display position of the screen on which the emergency information has been performed (S204). The resolution conversion processing unit 109 and the video signal synthesis processing unit 18 in the corresponding digital broadcast processing unit are switched so that the display position of the screen on which the emergency information is performed and the display position of the screen displayed largest are exchanged. It is set (S207). Next, the background information is displayed on the video signal synthesis processing unit 18 such that display indicating that emergency information has been received is performed on the background when the video information obtained from the digital broadcast waves of each system is synthesized and displayed. The emergency information is set (S208), and the content of the received emergency information is set in the background information storage unit 108 in the digital broadcast processing unit where the emergency information is detected (S209). Thereafter, it is determined whether or not the display of the received emergency information is completed (S210). If the display is not completed, the process returns to S209 again, and the display of the received emergency information is continued. When the display of the emergency information is completed, the resolution conversion processing unit 109 and the video signal synthesis processing unit 18 in the corresponding digital broadcast processing unit are set so that the display position replaced in S204 is returned to the original position ( In step S211), the display indicating that emergency information has been received, which is set as the background when the video information obtained from the digital broadcast waves of each system is synthesized and displayed, is erased for the video signal synthesis processing unit 18. Background information is set as described above (S212).
[0059]
If it is determined in S201 that emergency information has been performed on a program that is not currently being displayed, the above-described processing is not performed, and the display screen configuration is maintained as it is. If it is determined in S202 that the multi-screen display is not performed, or if the display of the screen on which the emergency information is performed is performed on the display of the largest screen in S204. When it is determined, the content of the received emergency information is set in the background information storage unit 108 in the digital broadcast processing unit in which the emergency information is detected while maintaining the display screen configuration (S205). It is determined whether or not the display of the information has been completed (S206), and the process ends when the display of all the received emergency information is completed.
[0060]
Also, in this example, regarding the audio, when a multi-screen display is being performed, an emergency broadcast is detected in the digital broadcast wave of the series displayed on the sub-screen, and the display size and the display size of the main screen viewed as main Even if the display position is replaced with the information displayed on the child screen received by the emergency broadcast, the audio information will not be switched and the one corresponding to the main screen that is being watched as the main will continue to be output I do.
[0061]
FIG. 9 shows an example of a display screen generated by the processing described above. In FIG. 9, as shown by (1), all video information output from the digital broadcast processing units 10, 11, 12, and 13 in a multi-screen is displayed as one screen as a main screen, and the remaining three screens are displayed. Is displayed as a small screen as a small screen, and shows a state when an emergency broadcast is detected in the program displayed as the small screen 3. When the specific information detection unit 23 detects an emergency broadcast in the data information of the digital broadcast wave of the system displayed on the child screen 3, the CPU 14 proceeds to steps S201 to S204 and S207 to S212 shown in FIG. Is performed, the display positions of the parent screen and the child screen 3 are switched and displayed, and the content of the emergency information is displayed on the display screen of the child screen 3. Here, in the present example, in the processing in S208, in the area other than the area where the video information is displayed on the display screen, the character "emergency information received" is displayed as a display indicating that the emergency information has been received. It is displayed to the viewer that the configuration of the display screen has been changed by receiving the emergency information. As a result, as shown in (2) of FIG. 9, the program that has been viewed as the main program and the program for which the emergency information has been performed are switched and displayed on the display screen. The message "Emergency information has been received" can automatically tell the reason why the screen configuration has changed. Thereafter, when it is detected in S210 that the display of the received emergency information has been completed, the process automatically returns to the original display screen as shown in (3) of FIG. 9 in the processes of S211 and S212.
[0062]
Here, as for the audio information, since the information corresponding to the parent screen is continuously output as described above, the viewer can know the contents of the emergency information without interrupting the program being viewed.
[0063]
In FIG. 9, as shown by (1), all video information output from the digital broadcast processing units 10, 11, 12, and 13 in a multi-screen is displayed as one screen as a main screen, and the remaining three screens are displayed. Is displayed as a small screen as a small screen, but as shown in (1) of FIG. 6, all video information output from the digital broadcast processing units 10, 11, 12, and 13 on a multi-screen is displayed. When the four screens are displayed in the same size, in this example, the contents of the emergency information are displayed on the display screen of the child screen 3 at the same display position and display size without changing the display state. Will be done. Here, as shown in (1) of FIG. 6, all the video information output from the digital broadcast processing units 10, 11, 12, and 13 on the multi-screen are viewed and viewed in equal size on all four screens. If the user wants to display the contents of the emergency information in a large size, the program shown in the first embodiment is displayed larger than the other programs by using the means shown in the first embodiment. It is also possible.
[0064]
Also, in this example, when the program in which the emergency information has been performed is already displayed, the content of the emergency information is displayed in a large size to enhance the visibility of the emergency information. When it is desired to display the contents of a performed program even when it is not displayed, such a case can be realized by using the means shown in the first embodiment together. .
[0065]
According to the configuration described above, when a plurality of programs are simultaneously viewed by multi-screen display, when emergency information is received among the programs being viewed, the program on which the emergency information is broadcast is displayed. Even in the case of small display, the display position of the program that is displayed at the maximum is determined, and the display position of the program that is displayed at the maximum and the display position of the program that received the emergency information are determined. By exchanging, the contents of the emergency information can be easily read.
[0066]
In this example, a specific example in which the number of display screens in the multi-screen is four is shown in FIG. 9, but the same processing is performed when the number of screens is other than that, which is completely different from the present embodiment. Not something. Further, the number of broadcast waves that can be processed simultaneously is not limited to the four inputs shown in the embodiment in FIG.
[0067]
(Third embodiment)
In the first and second embodiments, the specific information detected by the specific information detecting unit 29 is emergency information such as earthquake information or typhoon information. In the first embodiment, the emergency information is not displayed while the program is being viewed. If there is, by changing the display form of the screen according to the predetermined layout information of the screen, it is possible to simultaneously watch the program being viewed and the program on which the emergency information was performed, and furthermore, Means that allow the contents to be easily read have been described. Further, in the second embodiment, when there is emergency information in the program being displayed during viewing by multi-screen display, the display position of the program being displayed at the maximum is determined, and the program is displayed at the maximum. By swapping the display position of the current program and the display position of the program that received the emergency information, the content of the emergency information can be easily processed by simple processing without preparing the predetermined screen layout information. Means for making it readable have been described.
[0068]
In this example, a description will be given of a means by which a viewer can arbitrarily set specific information detected by the specific information detecting unit 29. That is, from the viewpoint of the viewer, emergency information such as earthquake information and typhoon information may be information that the viewer wants to know even immediately. However, a program that the user absolutely wants to watch or does not want to miss is also important information for the viewer. As described above, even information that differs for each viewer can be viewed without overlooking by slightly changing the means shown in the first embodiment or the second embodiment. Therefore, in this example, the viewer registers the program he / she wants to view in advance (view reservation), and when the program reserved for viewing is started while viewing the program, the screen is displayed according to the predetermined screen layout information. A description will be given of means for changing the mode to multi-screen display so that a program being viewed and a program reserved for viewing can be simultaneously viewed.
[0069]
FIG. 10 is a block diagram illustrating the configuration of the broadcast receiving device according to the present embodiment.
[0070]
In FIG. 10, the specific information detection unit 29 can be set by the CPU 14 with respect to the configuration of the broadcast receiving apparatus in the first embodiment shown in FIG. That is, the CPU 14 sets the definition of the specific information set by the viewer via the remote controller 16 in a storage unit of the specific information detection unit 29 (not shown). In addition to the specific information related to the emergency information, whether the specific information set by the viewer is included in the data information output from any of the digital broadcast processing units 10, 11, 12, and 13 is detected. Along with a signal indicating that the information has been detected, the CPU 14 outputs to the CPU 14 program information indicating which program of which series has detected the specific information.
[0071]
Here, an example of a display screen when a viewer makes a viewing reservation via the remote controller 16 is shown in FIG. In FIG. 11, information about one program is displayed, and whether or not to make a viewing reservation for this program can be selected by an “OK” button or a “Cancel” button. The user can decide whether to make a viewing reservation. As described above, in the display of such program information, as described above, in digital broadcasting, the channel name and title of the program, as well as information such as the contents of the program, start time, end time, and duration are included in the data sequence information. Can be easily known from any of the digital broadcast processing units 10, 11, 12, and 13 when receiving a screen display instruction for making a viewing reservation from the viewer via the remote controller 16. This is possible by extracting information related to the program from the program arrangement information included in the output data information and setting it as background information to the video signal synthesis processing unit 18. There are many other means for making a viewing reservation, such as those using an EPG, and are not limited to this example.
[0072]
Information about the program for which the viewing reservation is to be made on the screen for such viewing reservation is set by the CPU 14 to the specific information detecting unit 29.
[0073]
In the above configuration, when the specific information detection unit 29 detects that any of the data information output from the digital broadcast processing units 10, 11, 12, 13 includes the program information reserved for viewing. The flow of the processing in the CPU 14 is shown in the flowchart of FIG.
[0074]
The flow of the outline is the same as the flow of processing in the CPU 14 in the first embodiment shown in FIG. The difference from FIG. 4 is that it is a process for displaying the received emergency information or a process for displaying the program reserved for viewing. In FIG. Is eliminated, and the display indicating that this processing is being executed is also different. That is, when the CPU 14 receives a signal from the specific information detecting unit 29 indicating that the program whose viewing has been reserved has been started to be broadcast, first, the viewing is reserved from the program information output from the specific information detecting unit 29. It is determined whether or not the displayed program is displayed (S301), and if a program different from the program reserved for viewing is displayed, the display state (screen configuration, screen layout, and the display state at that time) is temporarily displayed at that time. Program information, etc.) are stored in the display state storage unit 31 (S304), and it is determined whether all the video information output from the digital broadcast processing units 10, 11, 12, and 13 is displayed (S305). A channel that outputs video information about a program reserved for viewing to a digital broadcast processing unit that is not used for displaying video information if not all displayed. To set (S306). If it is determined in S305 that all the video information output from the digital broadcast processing units 10, 11, 12, and 13 is displayed, the digital broadcast processing unit with the lowest priority other than the one displayed as the parent screen is displayed. On the other hand, a channel is set so as to output video information related to the program reserved for viewing (S307). Here, there is no particular restriction on the setting of the priority order for the child screen. Next, the layout information corresponding to the number of screens to be displayed is read from the display mode storage unit 30 (S308), and the resolution conversion processing unit 109 and the video signal synthesis processing unit 18 in the corresponding digital broadcast processing unit are read in accordance with the read layout information. The setting is performed (S309). Next, the video signal synthesizing processing unit 18 is configured to display, on the background when synthesizing and displaying the video information obtained from the digital broadcast waves of each system, a display indicating that the program reserved for viewing has been received. Information is set (S310). Thereafter, it is determined whether the program reserved for viewing has been completed (S311), and if not completed, the display of the program reserved for viewing is continued. When the program reserved for viewing is completed, the display state stored in the display state storage unit 31 is read (S312), and the resolution conversion processing unit 109 and the video signal synthesis in the corresponding digital broadcast processing unit are read according to the read information. Settings are made for the processing unit 18 (S313). Further, background information is set so that the display indicating that the program reserved for viewing has been received, which has been set as the background when combining and displaying video information obtained from digital broadcast waves of each system, is deleted. (S314). With the above processing, the display content can be returned to the display state before the display of the program reserved for viewing is performed, and the processing due to the reception of the program reserved for viewing is completed.
[0075]
If it is determined in S301 that the program reserved for viewing has already been displayed, it is next determined whether or not the video signal synthesizing unit 18 has been instructed to display a multi-screen (S302). Is displayed, the display state (screen configuration, screen layout, displayed program information, etc.) at that time is temporarily stored in the display state storage unit 31 (S303). The subsequent processing is the same as the processing from S308 to S314 already described above.
[0076]
Here, if it is determined in S302 that the multi-screen display is not being performed, the process ends while maintaining the display screen configuration.
[0077]
In the present example, as for the audio, information on the program reserved for viewing was detected during the viewing of the program as in the case of the first embodiment, and the program reserved for viewing was displayed in addition to the program that was being viewed until then. In this case, the audio information corresponding to the program that was being viewed until then is output as it is, but the audio information is switched to that of the program that has been reserved for viewing when displaying the program that has been reserved for viewing. In this way, processing for setting in the audio selection unit 15 may be added to output audio relating to the program reserved for viewing. At that time, when returning to the original display state in S313, processing for setting the sound selection unit 15 so that the sound is also returned to the original state is added.
[0078]
FIG. 13 shows an example of a display screen generated by the processing described above.
[0079]
In FIG. 13, similar to FIG. 5 shown as an example of the display screen in the first embodiment, when one program is viewed on a single screen and a program reserved for viewing in another program is detected. Is shown. In such a case, the processing is performed according to the flow of S301, S304 to S306, and S308 to S314 shown in FIG. In S308, since the screen configuration is a two-screen configuration of the currently displayed screen and the screen displaying the program reserved for viewing, layout information corresponding to the two-screen display is read from the display mode storage unit 30. In step S309, according to the layout information read from the display mode storage unit 30, the digital broadcast processing unit is adapted to display the program reserved for viewing in the large display area and the currently displayed screen in the small display area. Is set for the resolution conversion processing unit 109 and the video signal synthesis processing unit 18 of the above, and as a display indicating that the program reserved for viewing in S310 has been received, here, a display that "the reserved program has started" is displayed. Thus, the setting is performed for the video signal synthesis processing unit 18. As a result, as shown in (2) of FIG. 13, the program being viewed and the program for which emergency information has been performed are simultaneously displayed on the display screen, and the viewer receives the message “The reserved program has started. , The reason why the screen configuration has changed can be automatically known. Thereafter, when it is detected in S311 that the display of the received emergency information is completed, in the processing of S312 to S314, the display automatically returns to the original display screen as shown in (3) of FIG. Here, if the user wants to continue watching the program that he / she has watched before the program whose viewing has been reserved, or wants to see only the program whose viewing has been reserved, the viewer can use the remote controller 16 at any time. The instruction is performed, and the processing shifts to the processing instructed in S316.
[0080]
Here, an example of a display screen when a program reserved for viewing in another program is detected while one program is being viewed on a single screen is shown in FIG. 6 in the first embodiment. As described above, when all of the video information output from the digital broadcast processing units 10, 11, 12, and 13 are viewed in the same size on all four screens, or when the parent screen is large and other child information is displayed. When a program reserved for viewing is received when the screen is displayed small, the processing is performed in the same flow as the processing described in the first embodiment.
[0081]
According to the configuration described above, when the broadcast receiving apparatus receives a program reserved for viewing other than the program being viewed, the broadcast receiving apparatus simultaneously displays the program being viewed and the program reserved for viewing. Thus, it is possible to know that the program reserved for viewing has started without interrupting the program being viewed.
[0082]
Further, when a plurality of programs are simultaneously viewed by the multi-screen display, a program reserved for viewing among the programs being viewed is received. Even in the case where the display is small, the display reservation is changed by changing the display form of the screen so that the program reserved for viewing is displayed larger than other programs according to the predetermined layout information of the screen. It is possible to know that the program has started.
[0083]
In this example, the embodiment in which the number of broadcast waves that can be processed simultaneously is 4 is shown in FIG. 10, but the same processing is performed when the number of inputs is other than that, which is completely different from this embodiment. Not something.
[0084]
【The invention's effect】
As described above, according to the configuration shown in the first embodiment, when the broadcast receiving apparatus receives emergency information in a program other than the program being viewed, the broadcast receiving apparatus determines whether the broadcast Is displayed at the same time, the contents of the emergency information can be known without interrupting the program being viewed.
[0085]
Also, when multiple programs are viewed simultaneously by multi-screen display, if emergency information is received among the programs being viewed, the program on which the emergency information was broadcast is displayed as a small auxiliary display. In the case where the emergency information is broadcasted, the content of the emergency information is changed by changing the screen display mode so that the program on which the emergency information is broadcast is displayed larger than other programs in accordance with the predetermined screen layout information. Can be easily read.
[0086]
Further, according to the configuration shown in the second embodiment, when a plurality of programs are viewed simultaneously by the multi-screen display, when the emergency information is received in the program being viewed, the emergency information Even when the broadcasted program is displayed small as a supplement, the display position of the program displayed at the maximum is determined, and the display position of the program displayed at the maximum and the program that receives the emergency information are determined. , The contents of the emergency information can be easily read.
[0087]
Further, according to the configuration shown in the third embodiment, the means shown in the first embodiment or the second embodiment is further provided with means for allowing the viewer to arbitrarily set the definition of specific information other than emergency information. This makes it possible to obtain the same effect as that obtained in the first embodiment or the second embodiment even for important information that differs for each viewer, such as a program viewing reservation. Can not be overlooked.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of a broadcast receiving apparatus according to a first embodiment of the present invention.
FIG. 2 is a block diagram showing a configuration of a digital broadcast processing unit according to the embodiment of the present invention.
FIG. 3 is a schematic diagram illustrating a state in which video information and background information are transparently combined in a transparent combination processing unit according to the embodiment of the present invention.
FIG. 4 is a flowchart showing a state of processing in the CPU when emergency information is received in the first embodiment of the present invention.
FIG. 5 is a schematic diagram showing an example of a display screen according to the first embodiment of the present invention.
FIG. 6 is a schematic diagram showing an example of a display screen according to the first embodiment of the present invention.
FIG. 7 is a block diagram illustrating a configuration of a broadcast receiving apparatus according to a second embodiment of the present invention.
FIG. 8 is a flowchart showing a state of processing in a CPU when emergency information is received in a second embodiment of the present invention.
FIG. 9 is a schematic diagram illustrating an example of a display screen according to a second embodiment of the present invention.
FIG. 10 is a block diagram showing a configuration of a broadcast receiving device according to a third embodiment of the present invention.
FIG. 11 is a schematic diagram showing an example of a display screen of a viewing reservation setting menu in a third embodiment of the present invention.
FIG. 12 is a flowchart showing a state of processing in a CPU when a viewing reservation program is received in a third embodiment of the present invention.
FIG. 13 is a schematic diagram illustrating an example of a display screen according to a third embodiment of the present invention.
FIG. 14 is a schematic diagram showing an example of a display screen when emergency information is received in a conventional multi-screen display.
[Explanation of symbols]
10,11,12,13 Digital broadcast processing unit
14 CPU
15 Voice selection section
16,19 D / A converter
17 Speaker
18 Video signal synthesis processing unit
20 Display device
21 Synchronous signal generator
22 Graphic controller
23 I / O controller
24 modem
25 infrared receiver
26 Remote control
27 ROM
28 RAM
29 Code information detector
30 Layout information storage unit
31 Temporary layout information storage
101 Demodulation unit
102 Error Correction Unit
103 Demultiplexer
104 audio decoding unit
105 Data Decoding Unit
106 Video Decoding Unit
107 Transparent synthesis processing unit
108 Background information storage unit
109 Resolution conversion processing unit

Claims (16)

A plurality of receiving means capable of receiving a plurality of broadcast waves in which program arrangement information is multiplexed in addition to the video information and audio information of the program, and an arbitrary one of the plurality of broadcast waves received by the plurality of receiving means. In a broadcast receiving apparatus capable of generating video information of a size, synthesizing and displaying,
Information detecting means for detecting whether specific information is included in any of the program arrangement information of the plurality of broadcast waves received by the plurality of receiving means,
A program for detecting a program related to specific information by detecting that the specific information is included in any of the plurality of broadcast waves received by the plurality of receiving units by the information detecting unit Detecting means;
A broadcast receiving apparatus comprising: a display mode switching unit that switches a display mode so that a program detected by the program detecting unit is displayed larger than other programs. The broadcast receiving apparatus according to claim 1, wherein the specific information is information indicating an urgency. The broadcast receiving apparatus according to claim 1, wherein the specific information is information about the program such as a program name, a broadcast date and time, or a description of the content. 4. The broadcast receiving apparatus according to claim 1, wherein the broadcast receiving apparatus further includes a display form storage unit configured to preset a display form to be switched by the display form switching unit. 5. In the broadcast receiving device, a plurality of pieces of information related to a display mode corresponding to the number of pieces of video information to be displayed are stored in the display mode storage unit, and information on a display mode read out by the display mode switching unit is viewed from among them. 5. The broadcast receiving apparatus according to claim 4, further comprising display form means for allowing a user to arbitrarily select. The broadcast receiving apparatus according to claim 1, wherein the broadcast receiving apparatus further includes a specific information setting unit for allowing a viewer to arbitrarily set the specific information. The said broadcast receiving apparatus is further provided with the notification means which notifies that the display form is switched, when the display form is switched by the display form switching means, The claim 1 characterized by the above-mentioned. Item 7. A broadcast receiving device according to item 6. The broadcast receiving device further includes:
Display state storage means for storing information about the display form immediately before the display form is switched by the display form switching means,
Display completion detection means for detecting that display of the specific information has been completed,
The display mode switching unit switches the display mode according to the information on the display mode stored in the display state storage unit when the display completion detecting unit detects that the display related to the specific information is completed. The broadcast receiving apparatus according to claim 1, wherein the broadcast receiving apparatus comprises: A plurality of receiving means capable of receiving a plurality of broadcast waves in which program arrangement information is multiplexed in addition to the video information and audio information of the program, and an arbitrary one of the plurality of broadcast waves received by the plurality of receiving means. In a broadcast receiving apparatus capable of generating video information of a size, synthesizing and displaying,
An information detecting step of detecting whether or not specific information is included in any of the program arrangement information of the plurality of broadcast waves received by the plurality of receiving means;
A program for detecting a program related to specific information by detecting that the specific information is included in any of the plurality of broadcast waves received by the plurality of receiving means in the information detecting step A detection step;
A display mode switching step of switching a display mode so that the program detected in the program detecting step is displayed larger than other programs. The broadcast receiving system according to claim 9, wherein the specific information is information indicating an urgency. 10. The broadcast receiving system according to claim 9, wherein the specific information is information about the program such as a program name, a broadcast date and time, or a description of the content. The broadcast receiving system according to claim 9, wherein the broadcast receiving apparatus further includes a display form storage unit for setting a display form to be switched in the display form switching step in advance. In the broadcast receiving device, a plurality of pieces of information related to a display mode corresponding to the number of pieces of video information to be displayed are stored in the display mode storage unit, and information on a display mode read out in the display mode switching step is viewed from among them. 13. The broadcast receiving system according to claim 12, further comprising a display mode step for a user to arbitrarily select. 14. The broadcast receiving system according to claim 9, wherein the broadcast receiving apparatus further includes a specific information setting step for a viewer to arbitrarily set the specific information. 10. The broadcast receiving apparatus according to claim 9, further comprising a notification step of notifying that the display mode has been switched when the display mode has been switched in the display mode switching step. Item 15. A broadcast receiving method according to Item 14. The broadcast receiving apparatus further includes a display state storage unit for storing information about a display mode immediately before a display mode is switched by the display mode switching step,
In the information detecting step, when it is detected that any of the plurality of broadcast waves received by the plurality of receiving means includes the specific information, the information regarding the display form up to that time is displayed. A display state storing step of storing in the state storing means;
A display completion detection step of detecting that display of the specific information has been completed,
A display state restoring step of switching a display mode in accordance with information on a display mode stored in the display state storage unit, by detecting that display of the specific information is completed by the display completion detecting step;
The broadcast receiving method according to claim 9, wherein the broadcast receiving method comprises:

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