JP4574566B2 - Broadcast receiving apparatus and screen display method thereof - Google Patents

Description

  The present invention relates to a broadcast receiving apparatus and a screen display method thereof, and more particularly to a screen display method of a broadcast receiving apparatus that receives a broadcast wave including program video and data broadcast data.

  2. Description of the Related Art Conventionally, there has been provided a teletext service that provides an information screen using characters and figures by using a gap between television broadcast waves. Transmission systems for teletext include a VBI (Vertical Blanking Interval) system that superimposes teletext data during a vertical blanking period, an ASC (Audio Subcarrier Channel) system that superimposes teletext data on an audio subcarrier, and the like. In these transmission methods, a still image such as JPEG (Joint Photographic Experts Group) can be superimposed on a broadcast wave and sent in addition to characters, mosaic figures, and geometric figures. Usually, a broadcast wave is received by a dedicated tuner, a dedicated key is pressed to display a table of contents screen, a desired program is selected from the table of contents, and a teletext program (news or weather) is viewed.

  Data broadcasting is a broadcasting service that transmits digital data (text data, still image data, etc.) such as texts, illustrations, and photographs using a part of the broadcast wave of digital broadcasting. Data broadcasting can provide data such as news and weather forecasts in addition to normal programs, as well as information linked with program contents. Data for data broadcasting (hereinafter referred to as data broadcasting data) is superimposed on a broadcast wave from a broadcasting station, and a part of the data is transmitted via the Internet. Data broadcasting is also compatible with dynamically changing content such as moving picture experts group (MPEG) format animations and animations in the MNG (Multiple-Image Network Graphics) format. In contrast to text broadcasting, which presents a static screen, data broadcasting can present a moving screen. In data broadcasting, bidirectional communication between a broadcasting station and a receiving device is also possible.

  In Japanese digital broadcasting, BML (Broadcast Markup Language) is used as a description language for data broadcasting. BML is extended for broadcasting based on XHTML (extensible Hyper Text Markup Language). A data broadcasting browser is mounted on a receiving device that supports data broadcasting, and a URI (Uniform Resource Identifier) for identifying resources is used.

  In server-type broadcasting, which is a next-generation broadcasting service, a large-capacity storage device is built in the receiving device, and program content sent from a broadcasting station can be temporarily stored and viewed. As a result, it is possible to view the program content whenever you like without being bound by the broadcast time. Further, in addition to the conventional program content, a new viewing method such as digest viewing and highlight viewing using additional information (metadata) related to the program becomes possible. Currently, operational rules are being formulated, and the service is scheduled to start after 2006.

  By the way, in the conventional teletext receiving device, when the receiver receives the television channel by switching to another television channel, the text program data temporarily stored in the buffer memory is erased. Then, a recording operation is started to start storing the television program after the switching, that is, the character program data of the receiving broadcast station. For this reason, when the receiver temporarily switches to another channel and then returns to the original channel, a waiting time is generated until a desired character program is presented, which is inconvenient for the user.

In view of this, there has been proposed a teletext receiver that can immediately display a text program of the original channel on the screen even when the receiver temporarily switches to another channel and then returns to the original channel. Specifically, when switching to another television channel within a predetermined time and then returning to the television channel stored in the original buffer memory, the teletext data stored in the buffer memory is retained. . Thereby, a desired character program can be presented without waiting for the character signal to be received again, that is, without waiting time (see, for example, Patent Document 1).
JP-A-7-184172

  FIG. 25 is a diagram illustrating an example of transition of a display screen of a conventional digital broadcast receiving apparatus. When the channel B is selected by operating the remote controller while the channel A data broadcast screen G20 is displayed, a screen G21 displaying the channel B program video in full screen is displayed. Next, when the user selects the original channel A again, a screen G22 that normally displays the program video of channel A in full screen is displayed. However, if it is set so that the top page of the data broadcast is automatically started at the time of channel selection, a corresponding screen is displayed.

  In FIG. 25, in order to switch the display from the state where the channel A screen G22 is displayed to the data broadcasting screen G20 of the channel A, the user needs to start up the data broadcasting top page by pressing the data key of the remote controller. . Thereafter, the arrow key of the remote controller is pressed to reach the data broadcast screen G20 through several page transitions. For this reason, the deeper the page hierarchy of the data broadcast screen G20, the greater the operation amount of the remote control.

  As described above, in the conventional digital broadcast receiving apparatus, after selecting another channel from the state of viewing the data broadcast of a certain channel, the data broadcast screen is not displayed when the original channel is selected again. The program video of the original channel was displayed on the full screen. For this reason, when the user wishes to view the data broadcast of the original channel, the user has to operate the remote controller again to display the data broadcast screen, which is inconvenient for the user.

  FIG. 26 is a diagram illustrating an example of transition of the display screen of the conventional server type broadcast receiving apparatus. On the server broadcast program screen G30 of channel A, the playback screen of the program content stored in the receiving device is displayed in a reduced size in the upper right. In this state, when the user operates the remote controller to select channel B, a screen G31 displaying the program video of channel B in full screen is displayed. Next, when the user selects the original channel A again, a screen G32 that normally displays the program video of channel A in full screen is displayed.

  In FIG. 26, when it is desired to switch the display from the state where the screen A 32 of the channel A is displayed to the server type broadcast screen G 30 of the channel A, it is necessary to perform the remote control operation a plurality of times as in the case of the data broadcast shown in FIG. There is.

  In this way, even in server type broadcasting, once another channel is selected from the state in which the server type broadcasting of a certain channel is being viewed, the original channel is selected again, and the server type broadcasting screen is not displayed. The program video of the original channel was displayed on the full screen. For this reason, when viewing the server type broadcast of the original channel, it is necessary for the user to operate the remote controller again to display the server type broadcast screen, and there is a problem in that it is not convenient for the user.

  In the server-type broadcast, as one method for viewing the program content stored in the receiving device, a method for selecting the program content from the data broadcast screen shown in FIG. There is. In this case, after selecting a desired channel, the data broadcast screen of that channel is started up, and then the data broadcast screen is changed to a server-type broadcast screen (screen for selecting stored program content). Then, a procedure for selecting and reproducing a desired program content on the server type broadcast screen is taken, and the operation amount increases.

  Here, according to the teletext receiving device described in Patent Document 1, even if the receiver temporarily switches to another channel and then returns to the original channel, the text program of the original channel is immediately displayed on the screen. Can be presented. According to this, by holding the teletext data of the original channel in the buffer memory, there is no waiting time for re-receiving the text signal, and the text program of the original channel can be immediately presented on the screen. it can.

  However, the configuration of the character broadcast receiving device and the broadcast receiving device compatible with digital broadcasting and server type broadcasting are different, and the technology described in Patent Document 1 is simply applied to the broadcast receiving device compatible with digital broadcasting and server type broadcasting. It is difficult to do.

  For example, in digital broadcasting, it is possible to selectively display a screen in which program video is displayed on a full screen or a data broadcasting screen in each channel, but in text broadcasting, such a configuration is not used. In addition, text broadcasting is provided on a static screen, but data broadcasting and server type broadcasting can present a dynamically changing screen such as a moving image. Also, in server type broadcasting, it may be assumed that the program content that has been viewed halfway before is to be reproduced from the position where it has been viewed. In this case, it is necessary to reproduce the original reproduction state of the program content.

  Therefore, an object of the present invention is to provide a broadcast receiving apparatus and a screen display method thereof that can improve convenience when a user switches channels when viewing data broadcasting or server-type broadcasting.

The broadcast receiving apparatus of the present invention is a broadcast receiving apparatus that receives a digital broadcast signal including program video and data broadcast data of a plurality of channels, receives the digital broadcast signal, and selects a channel according to a user instruction. In the receiving means and the channel selected by the receiving means, the first display form in which the data broadcast data and the program video are synthesized and arranged on the screen, or the program video is synthesized without synthesizing the data broadcast data and the program video. Display means for displaying in any one of the second display forms arranged on the entire screen, and when another channel is selected from the state in which the display is performed in the first display form in a predetermined channel Storage means for storing in the storage unit information indicating that display has been performed in the first display form in the predetermined channel; After 1 display form in the display is performed from the state of another channel is tuned, if again a predetermined channel before a predetermined time has elapsed is tuned and stored in the storage unit based on the information, it has rows displayed in the first display mode in a given channel, after the first display other channels from a state in which the display is performed in the form has been tuned for a given channel, a predetermined And a control means for controlling the display means so as to perform display in the second display mode on the predetermined channel when a predetermined channel is selected again after a lapse of time .

The screen display method of the present invention is a screen display method of a broadcast receiving apparatus that receives a digital broadcast signal including program video and data broadcast data of a plurality of channels, and receives the digital broadcast signal and receives a channel according to a user instruction. The first display form in which the data broadcasting data and the program video are combined and arranged on the screen in the receiving step for selecting the channel and the channel selected in the receiving step, or the data broadcasting data and the program video are not combined. Another channel is selected from the display process in which the program video is displayed in one of the second display forms arranged on the entire screen and the state in which the first display form is displayed in the predetermined channel. A storage step for storing, in the storage unit, information indicating that the display has been performed in the first display form in a predetermined channel, and a predetermined channel; After the first display form on the display is performed from the state of another channel is tuned, if again a predetermined channel before a predetermined time has elapsed is tuned, stored in the storage unit based on the information, it has rows displayed in the first display mode in a given channel, after the first display other channels from a state in which the display is performed in the form has been tuned for a given channel, in advance And a control step for controlling to display in the second display mode on the predetermined channel when the predetermined channel is selected again after a predetermined time has elapsed .

  According to the present invention, when the user is viewing in the first display form (data broadcasting screen or server type broadcasting screen) in a predetermined channel, the channel is selected again after selecting another channel once. When stationed, the original first display form (data broadcast screen or server type broadcast screen) can be reproduced. This saves the user from having to operate the remote controller to display a desired screen, and improves convenience when switching channels.

  Embodiments of the present invention will be described below. The broadcast receiving apparatus of the present invention is applied to a digital television apparatus compatible with digital broadcasting, a receiving apparatus compatible with server type broadcasting, and the like. It can also be applied to devices capable of receiving digital broadcasts such as personal computers and portable devices.

  In addition, the present invention assumes an environment in which various multimedia services related to a program are provided by a user operation while a program of a certain channel is being viewed. Specifically, an environment in which broadcasting services such as BS digital broadcasting, 110-degree CS digital broadcasting, terrestrial digital broadcasting, and next-generation server-type broadcasting are provided is assumed.

  The embodiment of the present invention will be described in detail below, taking digital broadcast viewing as an example.

  FIG. 1 is a block diagram showing a schematic configuration of a digital broadcast receiving apparatus 100 according to the first embodiment of the present invention. In FIG. 1, a digital broadcast receiving apparatus 100 is assumed to be a digital television apparatus that receives a broadcast wave of a digital broadcast. The digital broadcast receiving apparatus 100 includes a receiving unit 101, a communication unit 102, a remote control input unit 103, an image / sound processing unit 104, a synthesis unit 105, a display unit 106, a control unit 107, a browser 108, a message creation unit 109, and a state storage. Unit 110, content storage unit 111, timer 112, and audio output unit 113.

  The receiving unit 101 receives a broadcast wave of digital broadcasting, performs demodulation processing and channel selection processing, and outputs video / audio data and data broadcasting data. The video / audio data output from the receiving unit 101 is provided to the image / audio processing unit 108, and the data broadcast data (hereinafter also referred to as content) is provided to the content storage unit 111.

  Video / audio data and data broadcasting data are data defined by ARIB (Association of Radio Industries and Businesses). The video / audio data refers to video / audio stream data encoded by MPEG-2. The data broadcast data includes BML data constituting a data broadcast screen and DSM-CC (Digital Storage Media-Command and Control) section data in which various mono-media data are encoded. The DSM-CC section includes a DDB (Download Data Block) for transmitting the content data body, a DII (Download Information Indicator) describing directory information of the DDB, and the like.

  The communication unit 102 acquires data broadcast data via the Internet. The data broadcast data acquired here complements the data broadcast data received by the receiving unit 101. Data broadcast data (content) acquired by the communication unit 102 is stored in the content storage unit 111.

  Remote control input unit 103 receives remote control information output from remote control 200. Generally, remote control information is received via an infrared input port (not shown), a remote control code corresponding to a remote control key is determined from the remote control information, and the state of the remote control 200 (such as long press) is identified. The remote control information indicates information in which the remote control code and the state of the remote control 200 are associated with each other. Remote control information from the remote control 200 is given to the control unit 107 via the remote control input unit 103.

  FIG. 2 is a diagram showing a configuration of remote controller 200 shown in FIG. The remote control 200 has a power key for turning on / off the power of the digital broadcast receiving apparatus 100, an up / down key 201 for channel selection, a direct channel selection key 202 for directly specifying a channel, and a channel selection just before. Data for starting / ending the pre-selection key 203, the arrow key 205 (right key 206, left key 207, up key 208, down key 209, enter key 210) for returning to the selected channel At least a key 211 is included. A user operates the digital television apparatus 100 using the remote controller 200.

  Returning to FIG. 1, the content storage unit 111 stores data broadcast data from the reception unit 101 and the communication unit 102. The image / audio processing unit 104 decodes the video / audio data given from the receiving unit 101. Further, the image / audio processing unit 104 decodes various monomedia data included in the data broadcast data stored in the content storage unit 111 in accordance with control from the browser 108. Monomedia is a single display media such as video, still image, figure, sound, text, etc. The monomedia data includes PNG (Portable Network Graphics) format data, JPEG format image data, and MNG format animation data. Etc. are also included.

  The audio data decoded by the image / audio processing unit 104 is output to the audio output unit 113. The image data and animation data decoded by the image / sound processing unit 104 are output to the synthesis unit 105.

  The control unit 107 performs overall control of the digital television apparatus 100 according to remote control information from the remote control input unit 103, timer notification from the timer 112, and operation of buttons (not shown) provided on the housing. Further, the control unit 107 controls the digital television apparatus 100 according to control information included in the broadcast wave received by the receiving unit 101. Specifically, channel selection control of the receiving unit 101, start / end control of the browser 108, control of the message creation unit 109, and the like are performed.

  The timer 112 counts the elapsed time from the set count start time, and notifies the control unit 107 when the set count time T has elapsed. The count start time of the timer 112 and the count time T are set via the control unit 107. The timer 112 is not necessarily composed of one timer, and may be composed of a plurality of timers. In that case, identification information (timer ID) is added to each timer.

  The browser 108 analyzes BML data included in the data broadcast data stored in the content storage unit 111, creates a data broadcast screen according to the description of the BML data, and outputs the data broadcast screen to the composition unit 105. When section format data broadcast data is stored in the content storage unit 111, it is decoded into BML data or various monomedia data by a data decoding unit (not shown). However, the browser 108 may be configured to have the function of the data decryption unit.

  The browser 108 is activated / terminated by the control unit 107. In addition, when the user operates the data broadcast screen with the remote controller 200 during startup, the control unit 107 displays a browser based on the remote control information from the remote controller 200 and the description content of the BML data corresponding to the data broadcast screen being displayed. 108 causes a predetermined process to be executed. Examples of the predetermined process include focus movement and transition to another data broadcast screen. When the selected channel is a channel that automatically displays a data broadcast screen, the browser 108 is activated according to control information included in the broadcast wave.

  In the state storage unit 110, browser information indicating whether or not the browser 108 is activated is stored. The status storage unit 110 also stores content information indicating the content status of the data broadcast screen of the selected channel, that is, the URI of the BML data. When monomedia that changes over time, such as voice and animation, is played back and displayed, the playback position and playback method of the monomedia are also stored as content information. The state storage unit 110 also stores timer information indicating whether or not the timer 112 is activated. When the timer 112 is composed of a plurality of timers, the identification information of each timer and the corresponding channel information are also stored as timer information.

  The data broadcast data (content) stored in the content storage unit 111 is locked / unlocked / erased in response to a request from the control unit 107 or the browser 108. Note that the state storage unit 110 and the content storage unit 111 may be configured by a single storage device.

  The message creation unit 109 creates a message in response to a request from the control unit 107 or the like. The message creation unit 109 also has an OSD (On Screen Display) function for adjusting the display position and size of the screen, a menu display function, and a GUI (Graphical User Interface) function using windows, icons, and the like.

  The synthesizing unit 105 synthesizes the outputs of the image / sound processing unit 104, the browser 108, and the message creation unit 109. According to the ARIB standard, a moving image plane, a still image plane, a character graphic plane, a caption plane, and the like are prepared for data broadcasting. The synthesizing unit 105 synthesizes and outputs each plane according to a predetermined procedure. It is assumed that a message plane dedicated to the message is prepared for the message created by the message creation unit 109. This message plane is normally used for OSD and menu display, and is always displayed at the forefront of the screen.

  The display unit 106 is a display, for example, and displays the output of the synthesis unit 105. However, here, the digital broadcast receiving apparatus 100 is a display-integrated apparatus with a built-in display unit 106, but the digital broadcast receiving apparatus 100 may be an STB (set top box) or the like that does not have a built-in display unit 106. Good. Note that the video displayed on the display unit 106 and the audio output from the audio output unit 113 are controlled to be synchronized.

  Next, a state storage operation for storing browser information and content information in the state storage unit 110 when selecting a channel will be described.

  FIG. 3 is a flowchart showing a state storage operation of the digital broadcast receiving apparatus 100 shown in FIG. First, in step S301, the control unit 107 determines whether the channel being viewed has been requested to be selected by another channel. If a channel selection request for another channel is made, the process proceeds to the next step S302.

  In step S302, the control unit 107 checks whether the browser 108 is activated in the original channel. Here, if the browser 108 is not activated, the process proceeds to step S306 to perform normal channel selection processing. On the other hand, when the browser 108 is activated, that is, when the data broadcast screen is displayed, the process proceeds to step S303. There may be a form in which the program video is displayed on the entire screen while the browser 108 is activated. In such a case, it is assumed that the browser 108 is not activated. In step S <b> 303, the control unit 107 stores browser information indicating the browser state “ON” in the state storage unit 110.

  FIG. 4 is a diagram illustrating an example of browser information stored in the state storage unit 110. Here, information on whether or not the browser is activated (ON) is stored for each channel.

  Returning to FIG. 3, in step S <b> 304, the browser 108 (or the control unit 107) stores content information indicating the content state corresponding to the data broadcast screen of the original channel in the state storage unit 110. The content information indicates the URI of the BML data corresponding to the displayed data broadcast screen, the type / identification information of the monomedia that changes with time such as voice and animation, the playback position, the playback method, and the like.

  FIG. 5 is a diagram illustrating an example of content information stored in the state storage unit 110. When storing the state of the monomedia being played back, the content information stored in the state storage unit 110 is the content type, content identification, playback method, and playback position. In FIG. 5, the content type is “mpeg-1 video” indicating that the moving image is in the MPEG-1 format, and the content identification is “video.mpeg” indicating the program name (file name or URI). The playback method is “normal playback” indicating that the playback method is a normal playback method.

  The playback position is “XXXXbyte” indicating the position (byte value) of the sequence header at the paused position, and “YYYYbyte” of the corresponding picture (byte value). When the process is stopped during the processing of a certain picture, the last byte value of the picture data is used. If there is a picture to be referenced, the position of the picture is also saved. Although not shown, time information (PTS, DTS, etc.) necessary for reproducing the corresponding picture is also stored.

  Note that the structure of the reproduction position to be stored differs depending on the content identification. In addition, since the number of playback contents is variable, the amount of information to be stored varies accordingly. In FIG. 5, the number of reproduced contents “2” is written under the URI. Further, a loop is made by the number of contents, and the content type, content identification, reproduction method, and reproduction position corresponding to each reproduction content are stored. The state storage unit 110 stores content information corresponding to each channel.

  Returning to FIG. 3 again, in step S305, the browser 108 (or the control unit 107) locks the content information stored in the content storage unit 111. If the content information is locked, the content information is not erased even if the channel selection process is performed in the next step S306. However, the lock may be forcibly released according to the capacity limit of the content storage unit 111. The information locked here includes BML data, monomedia data, binary table data, and the like corresponding to the data broadcast screen. When section format data (DSM-CC section data) is stored in the content storage unit 111, DII and DBB corresponding to the content are locked. When the content is stored in the content storage unit 111 in units of resources, the module corresponding to the content is locked.

  Note that the order from step S303 to step S305 may be switched. In addition, here, a procedure for saving browser information and content information when a channel selection request is made to another channel is shown (S301 to S305), but the timing for saving browser information and content information is limited to this. It is not a thing. For example, browser information and content information corresponding to a viewing channel may be stored every predetermined time.

  When the above processing is completed, in step S306, the control unit 107 performs channel selection processing for the channel requested for channel selection in step S301. That is, the channel selection channel of the receiving unit 101 is switched, and the video / audio data and data broadcast data of the channel after the switching are output to the image / audio processing unit 104 and the content storage unit 111, respectively. Then, the channel screen after switching is displayed.

  Next, in step S307, the control unit 107 sets the count start time and the count time T of the timer 112. The timer 112 counts the elapsed time from the set count start time. When the elapsed time from the count start time reaches the count time T, the control unit 107 is notified accordingly. The count start time and count time T of the timer 112 are previously set (or initially set) by the user. The count time T is, for example, about 1 to 10 minutes.

  When the timer 112 is composed of a plurality of timers, as shown in FIG. 6, the identification information of each timer and the corresponding channel information are stored in the state storage unit 110 as timer information.

  Returning to FIG. 3 again, when the control unit 107 is notified that the count time T has elapsed from the timer 112 in step S308, the control unit 107 proceeds to step S309. In step S309, the control unit 107 changes the browser information of the corresponding channel. Specifically, the control unit 107 accesses the state storage unit 110 and identifies the corresponding channel from the timer ID of the timer 112. Then, the browser state associated with the channel is changed to “OFF”.

  In step S <b> 310, the control unit 107 deletes content information corresponding to the corresponding channel in the state storage unit 110. Subsequently, the control unit 107 unlocks the content locked in the content storage unit 111 in step S311 and erases the content in the content storage unit 111 in step S312.

  Note that the order from step S309 to step S312 may be switched. Further, after unlocking the content in step S311, it is not necessary to erase the content immediately in step S312, and it may be erased according to the capacity state of the content storage unit 111.

  In step S309, information indicating that a timer notification has been received from the timer 112 to the control unit 107 may be added to the browser information, instead of the control unit 107 performing processing for rewriting the browser state. In this case, as shown in FIG. 7, in addition to the browser state corresponding to each channel, the timer notification information “present” “none” corresponding to each channel is stored.

  Here, if the user requests to select the original channel again before receiving the timer notification from the timer 112 in step S308, the control unit 107 returns the data broadcast screen (first display) of the original channel. Form). On the other hand, if the control unit 107 receives a timer notification from the timer 112 and receives a channel selection request to the original channel, the control unit 107 does not reproduce the original data broadcast screen and displays all the program videos of the original channel. The screen displayed (second display form) is displayed.

  Next, a screen reproduction operation for reproducing the original data broadcast screen at the time of channel selection will be described.

  FIG. 8 is a flowchart showing the screen reproduction operation of the digital broadcast receiving apparatus 100 shown in FIG. The screen reproduction operation shown in FIG. 8 is executed in parallel with the state storage operation shown in FIG.

  First, in step S313, the control unit 107 determines whether the channel being viewed has been requested to be selected by another channel. When a channel selection request for another channel is made, the process proceeds to the next step S314. In step S314, the control unit 107 acquires the browser state corresponding to the channel of the channel selection destination. Specifically, the browser information stored in the state storage unit 110 is accessed, and the browser state corresponding to the channel of the channel selection destination is acquired.

  In step S315, the control unit 107 determines whether or not the acquired browser state is “ON”. If the browser state is “OFF”, the process advances to step S319 to perform a normal channel selection process. On the other hand, if the browser state is “ON”, the process proceeds to step S316. In step S316, the control unit 107 activates the browser 108. Then, the browser 108 loads the content information corresponding to the channel of the channel selection destination in the state storage unit 110, and acquires the URI of the BML data corresponding to the data broadcast screen of that channel.

  In step S317, the browser 108 loads content necessary for creating the data broadcast screen from the content storage unit 111 based on the acquired URI. Normally, the content necessary for creating the data broadcast screen is stored in a locked state in the content storage unit 111 and can be accessed from the browser 108. The browser 108 unlocks the content in the content storage unit 111 when the loading is completed.

  In addition, when the lock is forcibly released due to a lack of capacity of the content storage unit 111 and necessary content has been erased from the content storage unit 111, the content storage unit 111 directly acquires the data broadcast data being received.

  Next, in step S318, the browser 108 creates a data broadcast screen using the acquired content (GUI creation). At this time, if the acquired content information includes information on the playback state of audio, video, and animation, the playback state is reproduced.

  When the above processing ends, in step S319, the control unit 107 performs channel selection processing for the channel selected in step S313. That is, the channel selection channel of the receiving unit 101 is switched, and the video / audio data and data broadcast data of the channel after the switching are output to the image / audio processing unit 104 and the content storage unit 111, respectively. Then, the channel screen after switching is displayed.

  FIG. 9 is a diagram showing an example of the transition of the display screen of the digital broadcast receiving apparatus 100 shown in FIG. When the channel B is selected by operating the remote controller 200 while the channel A data broadcast screen G01 is displayed, a screen G02 displaying the channel B program video in full screen is displayed. Channel selection operation is performed with the up / down key 201 or the direct channel selection key 202 of the remote controller 200. Next, when the user presses the previous channel selection key 203 of the remote controller 200 within a predetermined time and selects the original channel A again, the data broadcast screen G01 for channel A is displayed. However, instead of the previous channel selection key 203, the channel A may be selected by pressing the up / down key 201 and the direct channel selection key 202.

  First, the operation for switching from the channel A data broadcast screen G01 to the channel B screen 02 as shown in FIG. 9 will be described in detail.

  Referring to FIG. 3, when control unit 107 recognizes that a channel selection request has been made from channel A being viewed to another channel B (S301), it is determined whether browser 108 is activated next. Check (S302). Here, since the data broadcast screen G01 of channel A is displayed, the control unit 107 stores browser information indicating the browser state “ON” in the state storage unit 110 (S303). Subsequently, the browser 108 (or the control unit 107) stores content information indicating the content state of the data broadcast screen G01 of the channel A in the state storage unit 110 (S304). Then, the browser 108 (or the control unit 107) locks the content information of the data broadcast screen G01 stored in the content storage unit 111 (S305).

  Next, the control unit 107 performs channel selection processing for channel B (S306). Then, the receiving unit 101 is switched from channel A to channel B.

  The operation shown in FIG. 8 is also performed in parallel with the above-described operation. However, it is assumed that the data broadcast screen of channel B has not been displayed for a predetermined time until channel B is selected. That is, referring to FIG. 8 and FIG. 9, when the control unit 107 recognizes that a channel selection request from channel A to channel B has been made (S313), it acquires the browser state corresponding to channel B (S314). ). Since the acquired browser state is “OFF”, the control unit 107 performs normal channel selection processing (S315, S319). Accordingly, a screen G02 displaying the program video of channel B in full screen is displayed.

  Next, the operation of switching from the channel B screen G02 to the original channel A data broadcasting screen G01 as shown in FIG. 9 will be described in detail.

  3 and 8, the control unit 107 sets the count start time and count time of the timer 112 (S307), and then receives the timer notification from the timer 112 (S308), and then returns to the channel A again. (S313). In response to this, the control unit 107 acquires the browser state corresponding to the channel A (S314). At this time, since the acquired browser state is “ON”, the control unit 107 activates the browser 108, and the browser 108 loads the content information corresponding to the channel A in the state storage unit 110, The URI of the BML data corresponding to the data broadcast screen G01 of channel A is acquired (S315, S316).

  Next, the browser 108 loads content necessary for creating the data broadcast screen G01 from the content storage unit 111 based on the acquired URI (S317). Subsequently, a data broadcast screen G01 is created using the acquired content (S318). Then, the control unit 107 performs channel selection processing for channel A (S319), and the data broadcast screen G01 for channel A is displayed.

  In addition, although a state preservation | save operation | movement (S301-S306) is also performed in parallel with said operation | movement (S313-S319), detailed description about a state preservation | save operation | movement is not repeated here.

  As described above, in the first embodiment, when the user is viewing the data broadcasting screen of a certain channel, the original data broadcasting screen is reproduced when switching to the other channel after switching to another channel once. can do. This saves the user from having to operate the remote control to display a desired data broadcast screen, and improves convenience when switching channels. In addition, since the state of mono-media that changes with time, such as voice and animation, is also retained, those previous playback states can be reproduced.

  In addition, regardless of which level of the pages of the data broadcasting screen is viewed, the original state can be immediately reproduced regardless of the depth of the level. Note that information regarding the depth of the layer of the data broadcast screen being viewed is also stored in the state storage unit 110, and the previous screen state only when, for example, the depth of the layer of the data broadcast screen is deeper than a set value. May be reproduced. For example, the number of links from the top page may be counted as information regarding the depth of the hierarchy of the data broadcast screen.

  In addition, information regarding the focus position on the screen may be stored in the state storage unit 110 to reproduce the previous focus position.

  Although the channel selection operation between the two channels A and B has been described here, the present invention is not limited to this. If it is assumed that the content storage unit 111 has a sufficient capacity, it can also be applied to a channel selection operation between a plurality of channels.

  Although the case where the browser information and the content information are stored and the data broadcast screen is reproduced is shown here, only the browser information may be stored and the data broadcast screen G01 may be reproduced. In this case, the playback state of the URI or mono-media cannot be reproduced, but the activation state (“ON” “OFF”) of the browser 108 can be reproduced.

  The main configuration of the digital broadcast receiving apparatus according to the second embodiment of the present invention is the same as the configuration of the digital broadcast receiving apparatus 100 shown in FIG.

  FIG. 10 is a flowchart showing the state storage operation of the digital broadcast receiving apparatus according to the second embodiment, which is compared with FIG. Referring to FIG. 10, the difference from FIG. 3 is that step S408 and step S410 are added. Note that steps S401 to S407, S409, S411 to S414 in FIG. 10 correspond to steps S301 to S307, S308, and S309 to S312 in FIG. 3, respectively, and detailed description thereof will not be repeated here.

  Referring to FIGS. 1 and 10, in step S408, control unit 107 requests message creation unit 109 to create a message for notifying the user. The message creation unit 109 creates a predetermined message and sends it to the synthesis unit 105. The message synthesized by the synthesis unit 105 is displayed on the display unit 106.

  However, when the created message is held on the buffer in the message creation unit 109, the message creation unit 109 sends the reference destination to the synthesis unit 105. The synthesizing unit 105 synthesizes the created message so that it is displayed in the foreground based on the sent information.

  In step S410, the control unit 107 deletes the displayed message. When the created message is held on a buffer in the message creation unit 109 and the synthesis unit 110 periodically refers to it, the message held on the buffer is cleared.

  Although the case where step S410 is performed before step S411 is shown here, step S410 may be executed anytime after step S409, and the order is not limited.

  FIG. 11 is a flowchart showing the screen reproduction operation of the digital broadcast receiving apparatus according to the second embodiment, which is compared with FIG. Referring to FIG. 11, the difference from FIG. 8 is that step S418 is added. Note that steps S415 to S417 and S419 to S422 in FIG. 11 correspond to steps S313 to S315 and S316 to S319 in FIG. 8, respectively, and detailed description thereof will not be repeated here.

  Referring to FIGS. 1 and 11, in step S418, control unit 107 deletes the displayed message. The message erasing method is the same as the method described in FIG.

  Note that although the case where step S418 is performed before step S419 is shown here, step S418 may be executed at any time after step S417, and the order thereof does not matter.

  FIG. 12 is a diagram illustrating an example of the transition of the display screen of the digital broadcast receiving apparatus according to the second embodiment, which is compared with FIG. Referring to FIG. 12, if channel B is selected by operating user's remote controller 200 while channel A data broadcasting screen G01 is displayed, screen G03 displaying the channel B program video in full screen is displayed. Is done. The screen G03 is a screen in which a message to the user is added to the screen G02 shown in FIG. For example, “When channel A is selected, the screen returns to the previous data broadcasting screen” is displayed.

  Next, if the user selects the original channel A again by operating the remote controller 200 (for example, by pressing the previous channel selection key 203) before the predetermined time has elapsed, the data broadcast screen G01 for channel A is displayed.

  On the other hand, if there is no channel selection request for another channel even after the predetermined time has elapsed, the message is deleted and the screen changes from screen G03 to screen G02. Thereafter, when the user operates the remote controller 200 (for example, presses the previous channel selection key 203) to select the original channel A again, a screen G04 displaying the program video of the channel A in full screen is displayed.

  As described above, in the second embodiment, the fact that the original data broadcast screen can be reproduced is presented to the user. Thereby, the user can visually recognize that the user can return to the original data broadcast screen, and the convenience for the user is further improved.

  An icon may be displayed instead of displaying the message. Further, either a message or an icon may be switched and displayed. Further, a time indicating the elapsed time of the timer 112 may be displayed.

  Although the channel selection operation between the two channels A and B has been described here, the operation can be applied to an operation between a plurality of channels. In that case, for example, an icon corresponding to each channel may be displayed.

  The main configuration of the digital broadcast receiving apparatus according to the third embodiment of the present invention is the same as the configuration of the digital broadcast receiving apparatus 100 shown in FIG.

  FIG. 13 is a flowchart showing the screen reproduction operation of the digital broadcast receiving apparatus according to the third embodiment, which is compared with FIG. Referring to FIG. 13, the difference from FIG. 11 is that step S502 is added and the order of step S503 is changed. Note that steps S501, S504, S505, and S506 to S509 in FIG. 13 correspond to steps S415, S416, S417, and S419 to S422 in FIG. 11, respectively, and detailed description thereof will not be repeated here.

  Referring to FIGS. 1 and 13, in step S <b> 502, control unit 107 determines whether or not previous channel selection key 203 on remote controller 200 has been pressed. Here, when the direct channel selection key 202 or the up / down key 201 is pressed, the process proceeds to step S509 to perform normal channel selection processing. On the other hand, if the previous channel selection key 203 has been pressed, the process proceeds to step S503 to delete the displayed message. The message deletion method is the same as the method described in the second embodiment.

  Although the case where step S503 is performed immediately after step S502 is shown here, step S503 may be executed anytime after step S502, and the order thereof is not limited.

  FIG. 14 is a diagram illustrating an example of the transition of the display screen of the digital broadcast receiving apparatus according to the third embodiment, which is compared with FIG. Referring to FIG. 14, when channel B is selected by operating user's remote controller 200 while channel A data broadcasting screen G01 is displayed, screen G05 displaying channel B program video in full screen is displayed. Is done. On the screen G05, a message different from the message on the screen G03 shown in FIG. 12 is displayed. For example, “Return to channel A data broadcast screen with“ pre-selection key ”. Return to normal screen of channel A with“ direct channel selection key (3) ”is displayed. This message is displayed until a predetermined time has elapsed. However, the message may be forcibly deleted by the user.

  If the user presses the pre-selection key 203 of the remote controller 200 before the predetermined time has elapsed, the data broadcast screen G01 of the original channel A is displayed.

  On the other hand, even before the predetermined time has elapsed, when the user selects channel A by pressing the direct channel selection key 202 of the remote controller 200, a screen G04 displaying the program video of channel A in full screen is displayed.

  As described above, in the third embodiment, the user can select whether to reproduce the original data broadcast screen or to display a normal screen in which the program video is displayed in full screen. In addition, the user can be informed that such a selection can be made. This further improves convenience for the user.

  The main configuration of the digital broadcast receiving apparatus according to the fourth embodiment of the present invention is the same as the configuration of the digital broadcast receiving apparatus 100 shown in FIG.

  FIG. 15 is a flowchart illustrating the screen reproduction operation of the digital broadcast receiving apparatus according to the fourth embodiment, which is compared with FIG. Referring to FIG. 15, the difference from FIG. 8 is that steps S604 to S606 are added. Note that steps S601 to S603 and S607 to S610 in FIG. 15 correspond to steps S313 to S315 and S316 to S319 in FIG. 8, respectively, and detailed description thereof will not be repeated here.

  Referring to FIGS. 1 and 15, in step S604, control unit 107 requests message creation unit 109 to create a message for notifying the user. The message creation unit 109 creates a predetermined message (for example, “Do you want to reproduce the previous data broadcast screen?“ OK ”“ Cancel ””) and sends it to the synthesis unit 105. The message synthesized by the synthesis unit 105 is displayed on the display unit 106.

  In step S605, the control unit 107 determines whether “OK” in the message is selected by the user. When the “OK” icon or the “Cancel” icon is moved in focus and selected with the enter key 210, the control unit 107 also acquires information on the current focus position from the message creation unit 109. Here, if “cancel” is selected, the process proceeds to step S610 to perform normal channel selection processing. On the other hand, if “OK” is selected, the process proceeds to step S606. In step S606, the control unit 107 deletes the displayed message. The message deletion method is the same as the method described in the second embodiment.

  FIG. 16 is a diagram illustrating an example of the transition of the display screen of the digital broadcast receiving apparatus according to the fourth embodiment, which is compared with FIG. Referring to FIG. 16, when channel A data broadcasting screen G01 is displayed, when the user selects channel B by operating remote controller 200, screen G02 displaying the full screen of channel B program video is displayed. Is done.

  If the user presses the pre-selection key 203 on the remote controller 200 before the predetermined time has elapsed, a predetermined message is displayed as shown on the screen 06. As this message, for example, “Do you want to display the previous data broadcasting screen of channel A?“ OK ”“ Cancel ”” is displayed. This message is displayed until a predetermined time has elapsed. However, the message may be forcibly deleted by the user.

  Next, when the user selects “OK”, the data broadcast screen G01 of the original channel A is displayed. Although not shown, when the user selects “Cancel”, a screen G04 (see FIG. 14) displaying the channel A program video in full screen is displayed.

  As described above, in the fourth embodiment, the user can select whether to reproduce the original data broadcast screen as in the third embodiment or to display a normal screen in which the program video is displayed in full screen. In addition, since the fact that such selection can be made is displayed in a message after the channel selection operation for the original channel is performed, there is also an effect that the previous viewing is not disturbed.

  The main configuration of the digital broadcast receiving apparatus according to the fifth embodiment of the present invention is the same as the configuration of the digital broadcast receiving apparatus 100 shown in FIG.

  FIG. 17 is a flowchart showing the screen reproduction operation of the digital broadcast receiving apparatus according to the fifth embodiment, which is compared with FIG. Referring to FIG. 17, the difference from FIG. 8 is that steps S706 and S707 are added. Note that steps S701 to S705 and S708 to S709 in FIG. 17 correspond to steps S313 to S317 and S318 to S319 in FIG. 8, respectively, and detailed description thereof will not be repeated here.

  Referring to FIGS. 1 and 17, in step S <b> 706, browser 108 compares data broadcast data being received by receiving unit 101 (or communication unit 102) with content loaded from storage unit 111. Then, it is determined whether or not the contents have been changed.

  For example, the browser 108 obtains the DII corresponding to the content, and at least the module exists (whether num Of Modules is not zero), whether the data event has been updated (data_event_id has not changed), Check if the DII version has been updated. If none of the above applies, it is determined that there is no change in the content state, and the process proceeds to step S708. On the other hand, if any one of them is satisfied, it is determined that the content state has changed, and the control unit 107 is notified accordingly.

  In step S707, the control unit 107 requests the message creation unit 109 to create a message for notifying the user. The message creation unit 109 creates a predetermined message and sends it to the synthesis unit 105.

  FIG. 18 is a diagram illustrating an example of the transition of the display screen of the digital broadcast receiving device according to the fifth embodiment, which is compared with FIG. Referring to FIG. 18, when channel B is displayed with channel A data broadcasting screen G01 displayed, screen G02 displaying channel B program video in full screen is displayed when channel B is selected by operating remote controller 200. Is done.

  Next, when the user presses the previous channel selection key 203 on the remote controller 200 to select the original channel A again, if the content state has changed, the program video of the channel A is displayed on the screen G07 displayed in full screen. A message is displayed. As this message, for example, “data broadcasting program is not currently being broadcast” is displayed. This message is displayed until a predetermined time has elapsed. However, the message may be forcibly deleted by the user.

  As described above, in the case of data broadcasting, the contents of the data broadcasting program transmitted from the state viewed last time may be changed. For example, there may be a case where the data broadcast program is not broadcast and the designated URI does not exist (empty carousel). It may also occur when the content of the data broadcast program is updated (DII data_event_id related to the specified URI is updated, DII version or module version is updated). However, when the designated URI exists and the content is updated, the updated content is read and presented.

  FIG. 19 is a diagram showing a modification of the fifth embodiment. Referring to FIG. 19, the difference from FIG. 118 is that screen A of channel A07 is replaced with screen G08. This screen G08 displays a message (for example, “This data broadcast program is not currently broadcast”) on the original data broadcast screen G01 of channel A notifying that the data broadcast program is not currently broadcast. It is displayed.

  As described above, in the fifth embodiment and the modified example, it is checked whether or not the content state is changed, and the result is presented to the user. Thereby, when the original channel is selected again, the user can know that the content of the data broadcast program has been changed. This further improves convenience for the user.

  In the sixth embodiment, a server type broadcast viewing will be described as an example and will be specifically described below.

  FIG. 20 is a block diagram illustrating a schematic configuration of the server-type broadcast receiving apparatus 300 according to the sixth embodiment of the present invention, and is a diagram to be compared with FIG. Referring to server type broadcast receiving apparatus 300 in FIG. 20, the difference from digital broadcast receiving apparatus 100 in FIG. 1 is that receiving unit 101, content storage unit 111, image / audio processing unit 104, browser 108 and remote controller 200 are The receiving unit 301, the content storage unit 302, the image / sound processing unit 303, the browser 304, and the remote controller 400 are replaced. 20 and FIG. 1 are compared, portions having similar functions are denoted by the same reference numerals, and detailed description thereof will not be repeated.

  Server-type broadcast transmission systems can be broadly divided into two systems. There are a stream type transmission system that can be viewed in real time and a file type transmission system that is temporarily stored in a large-capacity medium such as an HDD and then reproduced and viewed. In the stream type transmission system, video / audio data (stream type content) is transmitted in accordance with the current digital broadcasting system so that it can be viewed on an existing digital broadcast receiving apparatus. In the file type transmission system, video / audio data (file type content) is transmitted using a data carousel transmission system similar to the current data broadcasting.

  In FIG. 20, a receiving unit 301 receives a broadcast wave (digital broadcast wave) of server type broadcast, performs demodulation processing, and outputs video / audio data (stream type content, file type content) and data broadcast data. Both the video / audio data and the data broadcast data output from the receiving unit 101 are given to the content storage unit 302. The server-type broadcast receiving apparatus 300 includes a large-capacity content storage unit 302 for temporarily storing the received program content (program video content). Video / audio data (stream type content, file type content) is temporarily stored in the content storage unit 302. However, video / audio data (file type content) may be acquired via the communication unit 102.

  Further, in the server type broadcasting, means for reproducing the program content stored in the content storage unit 302 is required. Here, the image / audio processing unit 303 and the browser 304 have a function of reproducing program content. As one method of reproducing the stored program content, first, the browser 304 is activated to display the data broadcast screen, and the data broadcast screen is changed to the server type broadcast screen, and the desired program content is selected and reproduced. There is a way.

  When reproduction of the stored program content is instructed by the user from the server-type broadcast screen (first display form), the browser 304 requests the image / audio processing unit 303 to decode the corresponding program content. The image / sound processing unit 303 reads the designated program content from the content storage unit 302 and decodes it. However, prior to this, the browser 304 acquires a license for the program content. Also, the browser 304 performs designation of the display position and size.

  The operation for reproducing the program content while accumulating it is the same as the operation for reproducing the accumulated program content. However, in consideration of the possibility of switching to another channel during the accumulation of program content, it is necessary to configure the receiving unit 301 with a plurality of tuners.

  Here, the server-type broadcast receiving apparatus 300 is a display-integrated apparatus with a built-in display unit 106. However, the display unit 106 may be provided outside the server-type broadcast receiving apparatus 300. In the server type broadcasting, a receiving device such as an STB (set top box) that does not include the display unit 106 is assumed. Server-type broadcasting requires means for acquiring and holding metadata for performing highlight reproduction, license acquisition means, decryption means, and the like, but detailed description thereof is omitted here.

  FIG. 21 is a diagram showing the configuration of remote control 400 shown in FIG. 20, and is a diagram contrasted with FIG. Referring to remote control 400 in FIG. 21, a difference from remote control 200 in FIG. 2 is that a reproduction control key 401 is added. 21 and FIG. 2 are compared, parts having similar functions are denoted by the same reference numerals, and detailed description thereof will not be repeated. The user can instruct rewind, playback, stop, fast forward, and the like using the playback control key 401 shown in FIG.

  In the server-type broadcast receiving apparatus 300, the flow diagram showing the state storage operation for storing the browser information and the content information in the state storage unit 110 at the time of channel selection is the same as the flowchart of the digital broadcast receiving apparatus 100 shown in FIG. Become.

  However, the content information stored in the state storage unit 110 in step S304 includes a URI of BML data corresponding to the displayed server type broadcast screen. In addition, when the stored program content is being played back, the playback state of the program content is also saved as content information.

  For example, when the stored program content is being reproduced, the content type stored as the content information is MPEG-2, and the content is identified by the program name (file name or URI (CRID: Content Reference Identifier)). The playback method is “normal playback” or “double speed playback”. However, if playback is performed using segment meta, the information may be added.

  The playback position is the position (byte value) of the sequence header where the pause is made, and the position of the corresponding picture. When the process is stopped during the processing of a certain picture, the last byte value of the picture data is used. If there is a picture to be referenced, its position is also saved. Also, time information (PTS, DTS, etc.) necessary for reproduction of the corresponding picture is stored. However, when the program content is stored in the TS (Transport Stream) format, the location of the PAT (Program Association Table) or PMT (Program Map Table) is also saved.

  Further, in the server-type broadcast receiving apparatus 300, a flowchart showing a screen reproduction operation for reproducing the original data broadcast screen at the time of channel selection is the same as the flowchart of the digital broadcast receiving apparatus 100 shown in FIG.

  However, a server type broadcast screen is created in step S318. The server type broadcast screen is a screen that reproduces the reproduction state of the stored program content. If there is no limit on the number of times the program content can be played, the playback may be started slightly before the stop position.

  FIG. 22 is a diagram showing an example of the transition of the display screen of the server type broadcast receiving apparatus 300 shown in FIG. Referring to FIG. 22, when channel A server-type broadcast screen G10 is displayed and user selects channel B by operating remote controller 200, screen G02 displaying channel B program video in full screen is displayed. Is displayed.

  Next, when the user selects the original channel A again by operating the remote controller 200 (for example, by pressing the previous channel selection key 203) before the predetermined time has elapsed, the server type broadcast screen G10 of the channel A is displayed. . In the server type broadcast screen G10, when the program content that has been viewed halfway before is reproduced, the original reproduction state is reproduced and the reproduction is started from the position where the viewing is finished. If special playback such as segment playback has been performed, the playback method is reproduced.

  As described above, in the sixth embodiment, when the user is watching the server broadcast screen of a certain channel, when the user switches to another channel and then switches back to the original channel, the original server-type broadcast screen is displayed. Can be reproduced. This saves the user from having to operate the remote controller to display a desired server broadcast screen, and improves convenience when switching channels.

  As in the case of the second embodiment, the user may be notified that the original server type broadcast screen can be reproduced. Further, as in the case of the third and fourth embodiments, the user can select whether to reproduce the original server type broadcast screen or to display a normal screen in which the program video is displayed in full screen. Also good. Further, similarly to the case shown in the fifth embodiment, it may be checked whether or not the content state is changed, and the result may be presented to the user.

  The main configuration of the server type broadcast receiving apparatus according to the seventh embodiment of the present invention is the same as the configuration of the digital broadcast receiving apparatus 100 shown in FIG.

  FIG. 23 is a diagram illustrating an example of the transition of the display screen of the server-type broadcast receiving apparatus according to the seventh embodiment, which is compared with FIG. Referring to FIG. 23, when channel A server-type broadcast screen G10 is displayed, when the user selects channel B by operating remote controller 200, screen G13 displaying the full screen of channel B program video is displayed. Is displayed. The screen G13 is a screen in which a message to the user is added to the screen G02 shown in FIG. For example, after pressing “Previous tuning key”, press “Right key” to return to the previous server-type broadcast screen. “Left key” to return to the playback continuation screen. Channels with “Direct tuning key (3)” "Returns to A's normal screen." This message is displayed until a predetermined time has elapsed. However, the message may be forcibly deleted by the user.

  Next, when the user presses the pre-selection key 203 and the right key 206 of the remote controller 400 before the predetermined time has elapsed, the server type broadcast screen G10 for channel A is displayed. The server type broadcast screen G10 is reproduced from the position where the original reproduction state is reproduced and finished.

  If the user presses the pre-selection key 203 and the left key 207 of the remote control 400 before the predetermined time has elapsed, the server type broadcast screen G11 for channel A is displayed. In the server type broadcast screen G11, a state in which the channel B is advanced from the original reproduction state is reproduced.

  If the user presses the previous channel selection key 203 and the direct channel selection key (3) 202 of the remote controller 400 before the predetermined time has elapsed, a screen G12 displaying the channel A program video in full screen is displayed.

  In this way, the original server type broadcast screen G10, the server type broadcast screen G11 advanced from the original playback state for the time during which another channel was selected, and the normal screen G12 displaying the program video in full screen. The user can select whether or not to display. This further improves convenience for the user.

  The flowchart showing the screen reproduction operation of the server type broadcast receiving apparatus of the seventh embodiment is the same as the flowchart of FIG. 13 shown in the third embodiment. However, when transitioning from the screen G13 to the screen G11, in step S507, the content that has been advanced from the original playback state for the time during which the channel B was selected is loaded from the content storage unit 302.

  FIG. 24 is a diagram showing a modification of the seventh embodiment. Referring to FIG. 24, the difference from FIG. 23 is that screen G13 is replaced with screen G02 and screen G14.

  In FIG. 24, when the user selects channel B by operating remote controller 200 in the state where channel A server-type broadcast screen G10 is displayed, screen G02 displaying the program video of channel B in full screen is displayed. .

  If the user presses the pre-selection key 203 on the remote controller 200 before the predetermined time elapses, a predetermined message is displayed as shown on the screen 14. As this message, for example, “Do you want to display the previous server-type broadcast screen or playback continuation screen? Press the“ right key ”to return to the previous server-type broadcast screen. Press the“ left key ”to return to the playback continuation screen. “Returns to the normal screen of channel A with the“ direct channel selection key (3) ”” is displayed. The user can display any one of the screen G10, the screen G11, and the screen G12 according to the message.

  In FIGS. 23 and 24, the user can select the screen G10 or the screen G11 when returning to the original channel A. However, the screen is automatically determined as either the screen G10 or the screen G11. Also good. Specifically, when the program content is reproduced on the original data broadcasting program screen G10 of the channel A, the screen G11 is displayed, and the program content is not reproduced on the original data broadcasting program screen G10 of the channel A. In such a case (stop or pause), the screen G10 may be displayed.

  As described above, in the seventh embodiment and the modified example, the fact that the original server type broadcast screen can be reproduced is presented to the user. Thereby, the user can visually recognize that he can return to the original server-type broadcast screen, and the convenience for the user is further improved.

It is a block diagram which shows schematic structure of the digital broadcast receiver which concerns on Example 1 of this invention. It is a figure which shows the structure of the remote control shown in FIG. It is a flowchart which shows the state preservation | save operation | movement of the digital broadcast receiver shown in FIG. It is a figure which shows an example of the browser information preserve | saved at the state preservation | save part shown in FIG. It is a figure which shows an example of the content information preserve | saved at the state preservation | save part shown in FIG. It is a figure which shows an example of the timer information preserve | saved at the state preservation | save part shown in FIG. It is another figure which shows an example of the timer information preserve | saved at the state preservation | save part shown in FIG. It is a flowchart which shows the screen reproduction operation | movement of the digital broadcast receiver shown in FIG. It is a figure which shows an example of the transition of the display screen of the digital broadcast receiver shown in FIG. It is a flowchart which shows the state preservation | save operation | movement of the digital broadcast receiver of Example 2. It is a flowchart which shows the screen reproduction operation | movement of the digital broadcast receiver of Example 2. It is a figure which shows an example of the transition of the display screen of the digital broadcast receiver of Example 2. FIG. It is a flowchart which shows the screen reproduction operation | movement of the digital broadcast receiver of Example 3. It is a figure which shows an example of the transition of the display screen of the digital broadcast receiver of Example 3. FIG. 10 is a flowchart illustrating a screen reproduction operation of the digital broadcast receiving device according to the fourth embodiment. It is a figure which shows an example of the transition of the display screen of the digital broadcast receiver of Example 4. FIG. 10 is a flowchart illustrating a screen reproduction operation of the digital broadcast receiving device according to the fifth embodiment. It is a figure which shows an example of the transition of the display screen of the digital broadcast receiver of Example 5. FIG. 10 is a diagram illustrating a modification example of the fifth embodiment. It is a block diagram which shows schematic structure of the server type | mold broadcast receiver which concerns on Example 6 of this invention. It is a figure which shows the structure of the remote control shown in FIG. It is a figure which shows an example of the transition of the display screen of the server type broadcast receiving apparatus shown in FIG. It is a figure which shows an example of the transition of the display screen of the server type broadcast receiving apparatus of Example 7. FIG. 10 is a diagram illustrating a modification example of the seventh embodiment. It is a figure which shows an example of the transition of the display screen of the conventional digital broadcast receiver. It is a figure which shows an example of the transition of the display screen of the conventional server type broadcast receiving apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Digital broadcast receiver 101 Receiving part 102 Communication part 103 Remote control input part 104 Image / sound processing part 105 Composition part 106 Display part 107 Control part 108 Browser 109 Message preparation part 110 State preservation | save part 111 Content storage part 112 Timer 113 Audio | voice output part

Claims (8)

A broadcast receiving device that receives a digital broadcast signal including program video and data broadcast data of a plurality of channels,
Receiving means for receiving the digital broadcast signal and selecting a channel according to a user instruction;
In the channel selected by the receiving means, the first display form in which the data broadcast data and the program video are combined and arranged on the screen, or the program without combining the data broadcast data and the program video. Display means for displaying an image in any one of the second display forms in which the entire screen is arranged;
When another channel is selected from the state in which the display is performed in the first display form in the predetermined channel, the display is performed in the first display form in the predetermined channel. Storage means for storing the information in the storage unit;
When the predetermined channel is selected again after a predetermined time elapses after another channel is selected from the state in which the display is performed in the first display mode in the predetermined channel. from state, based on the information stored in the storage unit, it has rows displayed in the first display mode in said predetermined channel, displayed in the first display form in the predetermined channel is performed after another channel is tuned, if the predetermined channel again after predetermined time elapses is tuned, the display in the second display mode in said predetermined channel row Migihitsuji And a control means for controlling the display means. When the predetermined channel is selected again when another channel is selected from the state in which the display is performed in the first display mode on the predetermined channel, the control means is configured to select the first display mode. The broadcast receiving apparatus according to claim 1, wherein a user is notified that display can be performed. The storage unit corresponds to the first display mode in the predetermined channel when another channel is selected from the state in which the display is performed in the first display mode in the predetermined channel. Further storing content information regarding the contents of the data broadcast data in the storage unit,
After the channel is selected from the state in which the display has been performed in the first display mode on the predetermined channel, the control unit again sets the predetermined channel before a predetermined time elapses. If it is tuned, based on the content information stored in the storage unit, according to claim 1, characterized in that for reproducing the contents of the first display form in said predetermined channel on the display unit or The broadcast receiving apparatus according to claim 2 . Whether the content information is updated by comparing the content information stored in the storage unit with the data broadcast data included in the digital broadcast signal received by the reception unit. The broadcast receiving apparatus according to claim 3 , wherein it is determined whether or not, and the determination result is notified to the user. A screen display method of a broadcast receiving apparatus for receiving a digital broadcast signal including program video and data broadcast data of a plurality of channels,
Receiving the digital broadcast signal, and selecting a channel according to a user instruction;
In the channel selected in the receiving step, the first display form in which the data broadcast data and the program video are combined and arranged on the screen, or the program without combining the data broadcast data and the program video. A display step of displaying an image in any one of the second display modes in which the video is arranged on the entire screen;
When another channel is selected from the state in which the display is performed in the first display form in the predetermined channel, the display is performed in the first display form in the predetermined channel. A storage process for storing information in a storage unit;
If after the from a predetermined state where the display in the first display mode in the channel is performed in the other channel is tuned, again the predetermined channel before a predetermined time has elapsed is tuning from state, based on the information stored in the storage unit, it has rows displayed in the first display mode in said predetermined channel, displayed in the first display form in the predetermined channel is performed When the predetermined channel is selected again after a predetermined time has elapsed after the other channel is selected, the display is performed in the second display mode on the predetermined channel. And a control process for controlling the screen. In the control step, when another channel is selected from the state in which the display is performed in the first display mode in the predetermined channel, the channel is selected in the predetermined channel when the predetermined channel is selected again. screen display method according to claim 5, wherein the notifying that can be displayed in the first display mode to the user. The storing step corresponds to the first display mode in the predetermined channel when another channel is selected from the state in which the display is performed in the first display mode in the predetermined channel. Further storing content information regarding the contents of the data broadcast data in the storage unit,
In the control step, after the other channel is selected from the state in which the display is performed in the first display mode on the predetermined channel, the predetermined channel is again set before a predetermined time elapses. If it is tuned, based on the content information stored in the storage unit, to claim 5 or claim 6, characterized in that to reproduce the contents of the first display form in said predetermined channel The screen display method described. The control step determines whether the content information has been updated by comparing the content information stored in the storage unit with the data broadcast data included in the received digital broadcast signal. The screen display method according to claim 7 , wherein the determination result is notified to the user.

Images