JP2016103801A - Digital broadcast receiver, digital broadcast receiving method, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a digital broadcast receiver, a digital broadcast receiving method, and a program that can give notice of a program which cannot be viewed as a video content is not permitted to be converted.SOLUTION: A digital broadcast receiver comprises: a broadcast reception part which receives a broadcast radio wave of a program including at least video data; a program information acquisition part which acquires program information including information on a broadcasting date and time of the program, information on resolution of video data, and resolution conversion permission/inhibition information representing whether resolution conversion on the video data is permitted; and a display processing part which outputs an image signal corresponding to the video data to a display device, and can discriminate between a first program determined such that an image corresponding to the image signal cannot be displayed at the display device based upon the information on the resolution of the video data and the resolution conversion permission/inhibition information and a second program determined such that the image corresponding to the image signal can be displayed at the display device based upon the information on the resolution of the video data.SELECTED DRAWING: Figure 9

Description

  The present invention relates to a digital broadcast receiving apparatus, a digital broadcast receiving method, and a program.

  In television broadcasting, broadcasting of a program (hereinafter referred to as “video content”) in which video and audio data is digitized using terrestrial broadcasting, satellite broadcasting, and a dedicated line is widespread. In recent years, broadcasting of a plurality of video contents has been performed by a large number of broadcasters (for example, broadcast stations). Note that there may be one video content broadcast by one broadcaster, but there may be a case where one broadcaster broadcasts a plurality of video contents in the same time zone on a plurality of channels. For this reason, television receivers, which are digital broadcast receivers that receive video content, so-called televisions, watch the scheduled broadcast time of video content (programs) broadcast on many broadcasters and channels and the contents of the programs. A function of generating an electronic program guide (EPG) for presentation to a television user who is a user is provided. The user can view a desired program by selecting any broadcaster or channel shown in the electronic program guide.

  In recent years, video content has become higher definition, and the video data included in the video content has increased in resolution. From the resolution of the conventional VGA size (640 × 480 size) to the full HD size (1920 × 1080 size). ) Resolution has become mainstream. In addition, broadcasting of video content having a resolution of 4K size (for example, 3840 × 2160 size) with higher resolution has been put into practical use. A resolution of 8K size (for example, 8192 × 4320 size) obtained by further increasing the resolution of 4K size is also planned.

  However, not all video content (programs) can always be viewed on a television. In Patent Document 1, for example, a program that has become unable to be received due to deterioration in the reception status of satellite broadcast waves due to factors such as rain attenuation can be selected and viewed on the electronic program guide. There has been disclosed a technique of a broadcast receiving apparatus that informs a user of a program that cannot be viewed by removing it from the program options.

  In addition, for example, even when a decoder provided in a television, that is, a so-called tuner does not have a function of receiving broadcast radio waves of each resolution, video content that cannot be viewed is generated. Patent Document 2 discloses a technology of a television receiver that notifies a user of information such as the resolution of video content and allows the user to view video content at a resolution selected by the user. More specifically, when the resolution of video content is switched from VGA size to full HD size and the user selects viewing at VGA size, the video content of full HD size is converted to VGA size, that is, down-converted. Thus, a technique for enabling viewing is disclosed. Also, in Patent Document 2, when the resolution of video content is switched from full HD size to VGA size, when the user selects viewing in full HD size, VGA size video content is converted to full HD size, that is, Also disclosed is a technique for enabling up-conversion and viewing. As a result, the user can view a desired program at the selected resolution when the resolution of the video content is switched.

JP 2011-071725 A JP 2002-084447 A

  However, for example, a change (conversion) to video content such as resolution conversion may not be permitted depending on the intention of the program producer or the copyright holder of the video content. In this case, even with the technique disclosed in Patent Document 2, the resolution of the video content that is not permitted to be converted cannot be viewed (down-converted or up-converted).

  The present invention has been made on the basis of the above problems, and a digital broadcast receiving apparatus, a digital broadcast receiving method, and a digital broadcast receiving method capable of notifying a program that cannot be viewed because conversion to video content is not permitted, and The purpose is to provide a program.

  In order to solve the above problems, a digital broadcast receiving apparatus of the present invention includes a broadcast receiving unit that receives broadcast radio waves of a program including at least video data, broadcast date and time information of the program, and resolution information of the video data. And a program information acquisition unit for acquiring program information including resolution conversion availability information indicating whether or not resolution conversion is permitted for the video data, and outputting an image signal corresponding to the video data to a display device And a first program that is determined to be unable to display an image according to the image signal on the display device based on the resolution information of the video data and the resolution conversion availability information, and the resolution of the video data A display processing unit capable of identifying a second program determined to be able to display an image according to the image signal on the display device based on the information of Provided.

  Further, the display processing unit in the digital broadcast receiving apparatus of the present invention is based on the resolution conversion availability information when the resolution of the video data is higher than the resolution of an image that can be displayed by the display apparatus. It is determined whether resolution conversion for the video data is permitted. If resolution conversion for the video data is not permitted, the program including the video data is determined as the first program, and the video data When the resolution conversion is permitted, the program including the video data is determined as the second program.

  In addition, the display processing unit in the digital broadcast receiving apparatus of the present invention includes a program guide generation unit that generates an electronic program guide in which a plurality of the programs are arranged based on the broadcast date and time information, and the program guide generation unit Generates the electronic program guide indicating that the program cannot display an image corresponding to the image signal in a first area in the electronic program guide in which the first program is represented. Output to the display device.

  In the digital broadcast receiving apparatus according to the present invention, the program guide generation unit differs between the display of the first area and the display of the second area in the electronic program guide in which the second program is displayed. Display.

  In the digital broadcast receiving apparatus of the present invention, the program guide generation unit represents the color of the first area by a color different from the color of the second area.

  In the digital broadcast receiving apparatus of the present invention, the program guide generation unit represents the first area in gray.

  Further, the program guide generation unit in the digital broadcast receiving apparatus of the present invention does not display information included in the program information corresponding to the programs arranged in the first area in the first area.

  Further, the program guide generation unit in the digital broadcast receiving apparatus of the present invention displays a message for clearly indicating that the program cannot be viewed in the first area.

  Further, the program guide generation unit in the digital broadcast receiving apparatus of the present invention displays the message when the first area is selected.

  In the digital broadcast receiving apparatus of the present invention, the program guide generation unit converts a program including the video data determined to be the second program when resolution conversion for the video data is permitted into a third program. The display of the second area in the electronic program guide in which the third program is represented is different from the display of the second area in which the other second program is represented. .

  In addition, the display processing unit in the digital broadcast receiving apparatus of the present invention prevents the first program from being selected.

  The display processing unit in the digital broadcast receiving apparatus of the present invention displays a message for clearly indicating that the first program is a program that cannot be viewed.

  The digital broadcast receiving method of the present invention includes a broadcast receiving step for receiving broadcast radio waves of a program including at least video data, broadcast date information of the program, resolution information of the video data, and the video data. A program information acquisition step for acquiring program information including resolution conversion enable / disable information indicating whether or not resolution conversion is permitted; and outputting an image signal corresponding to the video data to a display device; and The first program determined that the image according to the image signal cannot be displayed on the display device based on the resolution information and the resolution conversion availability information, and the resolution based on the video data resolution A display processing step for enabling identification of a second program determined to be able to display an image according to the image signal on a display device; No.

  The program of the present invention also includes a broadcast receiving step for receiving broadcast radio waves of a program including at least video data, broadcast date and time information of the program, resolution information of the video data, and resolution conversion for the video data. A program information acquisition step for acquiring program information including resolution conversion enable / disable information indicating whether or not to permit, an image signal corresponding to the video data to be output to a display device, and resolution information of the video data And a first program that is determined to be unable to display an image corresponding to the image signal on the display device based on the resolution conversion availability information, and the display device based on the resolution information of the video data. A display processing step for enabling identification of the second program determined to be able to display an image according to the image signal. To be executed in.

  According to the present invention, it is possible to provide a digital broadcast receiving apparatus, a digital broadcast receiving method, and a program that can notify a program that cannot be viewed because conversion to video content is not permitted. can get.

1 is a block diagram showing a schematic configuration of a digital broadcasting system in an embodiment of the present invention. It is a figure explaining the data structure of the MH-event information table which concerns on this embodiment. It is a figure explaining the data structure of the MH-short format event descriptor concerning this embodiment. It is a figure explaining the data structure of the MH-extended format event descriptor which concerns on this embodiment. It is a figure explaining the data structure of the image | video component descriptor which concerns on this embodiment. It is a figure explaining the structure of the value of the video signal resolution in the video component descriptor concerning this embodiment. It is the block diagram which showed an example of the structure of the digital broadcast receiver in this embodiment. It is the flowchart which showed the process sequence of the process which produces | generates an electronic program guide in the digital broadcast receiver of this embodiment. It is the figure which showed typically an example of the electronic program guide produced | generated in the digital broadcast receiver of this embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the digital broadcast receiving apparatus of the present invention is simply referred to as “receiving apparatus”. FIG. 1 is a block diagram showing a schematic configuration of a digital broadcast system according to an embodiment of the present invention. The digital broadcast system 1 includes a receiving device 10, a display device 15, and a transmitting device 20. In the digital broadcasting system 1, the number of receiving devices 10 and transmitting devices 20 is generally plural, but in the following description, in order to facilitate the description, the receiving device 10, the transmitting device 20, The case of the digital broadcasting system 1 in which the number of each is one will be described. In the following description, a case where an MMT (MPEG Media Transport) system is adopted as a media transport system for digital broadcasting in the digital broadcasting system 1 will be described.

  The transmission device 20 is a transmission device provided in a broadcasting company such as a broadcasting station that transmits broadcast radio waves obtained by multiplexing program data i1 and program arrangement information i2. The program data i1 is content data of a program including at least one of video data and audio data. In the following description, it is assumed that the program data i1 is video content including both video data and audio data. Each of the video data and the audio data included in the program data i1 is data encoded by a predetermined encoding method. For example, the video data is H.264. H.265, data encoded by an encoding method such as HEVC (High Efficiency Video Coding). Further, for example, the audio data is data encoded by an encoding method such as ISO / IEC 14496 Part 3, so-called MPEG-4 audio.

  The program arrangement information i2 is program data i1 that is video content, that is, additional information related to a broadcast program. More specifically, the program arrangement information i2 includes, for example, program identification information and broadcast date / time information. Here, the program identification information is information for identifying a program such as the type, content, quantity, and arrangement of the broadcast program, for example. The broadcast date / time information is information indicating the broadcast date / time of the program. The program arrangement information i2 includes various information used when generating the electronic program guide i3.

  Broadcast radio waves transmitted from the transmission device 20 are transmitted to the reception device 10 via ground waves, a wired transmission line such as a cable, or a broadcast satellite. FIG. 1 shows a case where broadcast radio waves are transmitted via a broadcast satellite BS.

  The receiving device 10 is a digital broadcast receiving device that receives various types of information transmitted via the broadcasting satellite BS. In the following description, it is assumed that the receiving device 10 is a set top box (STB). That is, the receiving device 10 receives a broadcast radio wave transmitted from the transmission device 20, and has a format in which the connected display device 15 can display the program data i1 that is video content included in the received broadcast radio wave. This is a tuner device that converts the signal into a signal and outputs it. The signal converted by the receiving device 10 and output to the display device 15 includes an image signal corresponding to the video data included in the program data i1 and an audio signal corresponding to the audio data. The receiving device 10 generates an electronic program guide i3 based on the program arrangement information i2 included in the received broadcast radio wave, and outputs an image signal for displaying the generated electronic program guide i3 on the display device 15. .

  The display device 15 is connected to the receiving device 10 and displays an image and outputs sound corresponding to the signal output from the receiving device 10. In the following description, the display device 15 will be described as a television receiver (television). That is, the display device 15 displays an image corresponding to the image signal included in the signal output from the connected receiving device 10 and generates a sound corresponding to the audio signal included in the signal output from the receiving device 10. It is a television to let you. The display device 15 is configured to display an image corresponding to the input image signal, for example, a display panel such as a liquid crystal panel or an organic EL panel, and a speaker that generates a sound corresponding to the input audio signal. Is done. With this configuration, the display device 15 displays an image corresponding to the image signal output from the connected receiving device 10, that is, an image of video data included in the video content or an image of the electronic program guide i3. 10 generates sound such as sound corresponding to the sound signal output from 10, that is, sound such as sound corresponding to the sound data included in the video content.

  Next, an example of the program arrangement information i2 will be described. In the present embodiment, the program arrangement information i2 includes various tables relating to broadcast radio waves transmitted by the MMT method. The program arrangement information i2 according to the present embodiment includes at least an MH-event information table (MH-Event Information Table: MH-EIT). The MH-event information table is a table that includes various information related to the program, such as the program name, broadcast date and time, and description of the broadcast content.

  Here, the MH-event information table (hereinafter referred to as “MH-EIT”) included in the program arrangement information i2 and the data structure of the descriptor in the MH-EIT will be described. In the following description, only a part of descriptors in the MH-EIT related to the display of the electronic program guide i3 will be described for ease of explanation. However, the digital broadcast system 1 can handle all tables in the MMT system.

<Data structure of MH-EIT>
FIG. 2 is a view for explaining the data structure of the MH-event information table (MH-EIT) according to the present embodiment. The MH-EIT is one of the constituent elements representing the configuration information of the broadcast radio wave transmitted from the transmission device 20, and represents information related to the program such as the name of the broadcast program and the broadcast date and time as described above. Yes. As shown in FIG. 2, MH-EIT (MH-Event_Information_Table ()) includes an event identification (event_id), a start time (start_time), and a duration (duration). In the event identification, for example, an event identification number indicating program identification information or the like is shown. The start time indicates the start time of the event, that is, the start time (date and time) of the program. The duration indicates the duration of the event, that is, the length of the program broadcast time.

  Further, in MH-EIT (MH-Event_Information_Table ()), a descriptor area (descriptor ()) is provided for each event identification. The descriptor area (descriptor ()) is an area for storing a descriptor. The MH-EIT according to the present embodiment includes an MH-short format event descriptor and an MH-extended format event descriptor. In the MH-short format event descriptor and the MH-extended event descriptor, information such as a program name and a program description is described. Further, the MH-EIT (MH-Event_Information_Table ()) according to the present embodiment includes a video component descriptor. Information such as the resolution of the video data of the program is described in the video component descriptor.

<MH-short format event descriptor data structure>
FIG. 3 is a view for explaining the data structure of the MH-short format event descriptor according to the present embodiment. As shown in FIG. 3, the MH-short format event descriptor (MH-Short_Event_Descriptor ()) includes a program name (event_name_char) and a program description (text_char). In the program name, the name of the program is described. In the program description, a description of the program is described.

<MH-Extended Format Event Descriptor Data Structure>
FIG. 4 is a view for explaining the data structure of the MH-extended event descriptor according to this embodiment. As shown in FIG. 4, the MH-extended event descriptor (MH-Extended_Event_Descriptor ()) includes an item name (character code) (item_description_char) and an item description (character code) (item_char) for each item. Yes. In the item name (character code), the name of the item is described. The item description (character code) describes the contents of the item. Generally, a list of casts of a program is described by an item name (character code) and an item description (character code). For example, when the item name is “producer” and the item description is “Nippon Taro”, the item name (character code) and the item description (character code) indicate that the producer of the program is Nippon Taro. .

  The MH-extended format event descriptor (MH-Extended_Event_Descriptor ()) includes an extended description (character code) (text_char). In the extended description (character code), information about a program without an item is described.

<Data structure of video component descriptor>
FIG. 5 is a view for explaining the data structure of the video component descriptor according to the present embodiment. As shown in FIG. 5, the video component descriptor (Video_Component_Descriptor ()) includes the video signal resolution (video_resolution). In the video signal resolution, information on the vertical resolution of the video signal is described.

<Data structure of video signal resolution>
FIG. 6 is a diagram for explaining the structure of the value of the video signal resolution in the video component descriptor according to the present embodiment. As shown in FIG. 6, the vertical resolution of the video signal is assigned to each value of the video signal resolution. For example, when the value of the video signal resolution is “6”, the vertical resolution of the video signal is “2160”, that is, the received video signal has a resolution of 4K size (for example, 3840 × 2160). Is shown. For example, when the value of the video signal resolution is “7”, the vertical resolution of the video signal is “4320”, that is, the received video signal has a resolution of 8K size (for example, 8192 × 4320). It shows that there is.

  The receiving device 10 receives broadcast radio waves in which the above-described program arrangement information i2 and program data i1 that is video content are multiplexed. Then, the receiving device 10 outputs an image signal and an audio signal corresponding to the received program data i1 to the connected display device 15. In addition, the receiving device 10 outputs the image signal of the electronic program guide i3 generated based on the received program arrangement information i2 to the connected display device 15.

  Next, the configuration of the receiving device 10 will be described. FIG. 7 is a block diagram showing an example of the configuration of the digital broadcast receiving apparatus (receiving apparatus 10) in the present embodiment. The receiving device 10 includes a broadcast receiving unit 11, an infrared communication unit 12, a storage unit 13, and a control unit 14. The control unit 14 includes a demodulation unit 141, a separation unit 142, an audio processing unit 143, and a display processing unit 144. The display processing unit 144 includes a video processing unit 1441 and a program guide generation unit 1442. FIG. 7 also shows a display device 15 in which the receiving device 10 outputs signals corresponding to the program data i1 and the electronic program guide i3.

  The broadcast receiving unit 11 includes a tuner that receives broadcast radio waves of each channel, converts each received broadcast radio wave into a broadcast signal (for example, a transport stream) having a predetermined frequency, and outputs the broadcast signal. The The broadcast receiving unit 11 receives broadcast radio waves transmitted from the transmission device 20. Then, the broadcast receiving unit 11 outputs a broadcast signal obtained by converting the received broadcast radio wave to the demodulation unit 141 included in the control unit 14.

  For example, the infrared communication unit 12 is a communication unit that performs infrared communication with a remote controller RC that is operated by a viewer who is a user of the reception device 10 to control the reception device 10. The infrared communication unit 12 receives an infrared transmission signal that is transmitted from the remote controller RC and includes information representing a user operation accepted by the remote controller RC. The infrared communication unit 12 outputs information on the operation content by the user included in the received infrared transmission signal to the control unit 14.

  The storage unit 13 stores a program for the control unit 14 or components in the control unit 14 to execute various processes and data used for the processes. The storage unit 13 includes, for example, a memory such as a ROM (Read Only Memory) and a RAM (Random Access Memory). Note that the storage unit 13 may include other memories and a storage device such as an HDD (Hard Disk Drive). In addition, the storage unit 13 may store various programs to be executed by a CPU (Central Processing Unit) provided in the receiving device 10, the midway being executed by the CPU, or processing results. In addition, the storage unit 13 stores, for example, data corresponding to a broadcast signal output from the broadcast receiving unit 11 or a signal in which an audio signal output from the audio processing unit 143 is associated with an image signal output from the display processing unit 144. You may comprise including the memory to memorize | store, what is called a video memory.

  The control unit 14 performs various processes on the broadcast signal output from the broadcast receiving unit 11 to generate an audio signal and an image signal corresponding to the program data i1 included in the broadcast signal. Then, the control unit 14 outputs each of the generated audio signal and image signal to the display device 15. Further, the control unit 14 generates an image signal of the electronic program guide i3 based on the program arrangement information i2 included in the broadcast signal output from the broadcast receiving unit 11, and outputs the image signal to the display device 15.

  The demodulator 141 demodulates the broadcast signal (for example, transport stream) output from the broadcast receiver 11. The demodulator 141 outputs the demodulated broadcast signal to the separator 142. Note that the broadcast signal output from the demodulation unit 141 is a signal in a state where the program data i1 and the program arrangement information i2 are multiplexed.

  The separation unit 142 separates the program data i1 and the program arrangement information i2 included in the broadcast signal output from the demodulation unit 141 (for example, the transport stream demodulated by the demodulation unit 141). Then, the separation unit 142 outputs the program arrangement information i2 separated from the broadcast signal to the program table generation unit 1442 provided in the display processing unit 144. Further, the separation unit 142 extracts audio data and video data from the separated program data i1. Then, the separation unit 142 outputs the audio data extracted from the program data i1 to the audio processing unit 143 and the video data to the video processing unit 1441 provided in the display processing unit 144, respectively. Note that the audio data and video data extracted by the separation unit 142 are data in a state of being encoded by a predetermined encoding method. When the program data i1 includes only one of audio data and video data, the separation unit 142 converts the separated data into the corresponding audio processing unit 143 or video processing unit 1441. Output to either one of

  The audio processing unit 143 decodes the audio data output from the demultiplexing unit 142 with a predetermined decoding method corresponding to an encoding method (for example, MPEG-4 audio) in which the audio data is encoded. A signal (for example, an audio signal in a stream format) is generated. The audio processing unit 143 outputs the generated (decoded) audio signal to the display device 15. The audio processing unit 143 generates an audio signal obtained by decoding the audio data of the selected program included in the operation content information output from the infrared communication unit 12 and outputs the audio signal to the display device 15.

  The display processing unit 144 generates an image signal based on the video data output from the separation unit 142, an image signal of the electronic program guide i3 based on the program arrangement information i2 output from the separation unit 142, and the generated image signal Is output to the display device 15. For example, the display processing unit 144 generates an image signal based on the video data of the selected program included in the operation content information output from the infrared communication unit 12 and outputs the image signal to the display device 15. Further, the display processing unit 144 generates an image signal of the electronic program guide i <b> 3 according to an instruction to display the electronic program guide included in the operation content information output from the infrared communication unit 12, and outputs the image signal to the display device 15. .

  The video processing unit 1441 decodes the video data output from the separation unit 142 with a predetermined decoding method (for example, HEVC) in which the video data is encoded (for example, HEVC) (for example, , A stream format image signal). The video processing unit 1441 outputs the generated (decoded) image signal to the display device 15. The video processing unit 1441 generates an image signal obtained by decoding the video data of the program separated and selected by the separation unit 142 based on the operation content information output from the infrared communication unit 12 and outputs the image signal to the display device 15. In addition, when the conversion enable / disable information indicating whether or not conversion of video content is permitted (for example, a flag indicating whether or not conversion is permitted) indicates that conversion is permitted, the video processing unit 1441. Converts the generated (decoded) image signal and outputs it to the display device 15. More specifically, when the conversion to the video content is a down-conversion for converting the resolution of the video data to a low resolution, for example, the resolution down-conversion unit provided in the video processing unit 1441 is included in the decoded image signal. The resolution of the video data is down-converted, and the image signal after the down-conversion is output to the display device 15 as an image signal generated (decoded) by the video processing unit 1441.

  The program guide generation unit 1442 generates an image signal of the electronic program guide i3 based on the program arrangement information i2 output from the separation unit 142. The program guide generation unit 1442 outputs the generated image signal of the electronic program guide i3 to the display device 15. More specifically, an image signal of the electronic program guide i3 is generated based on the MH-EIT included in the program arrangement information i2 output from the separation unit 142 and output to the display device 15.

  Here, an outline of processing in which the program guide generation unit 1442 generates the electronic program guide i3 based on MH-EIT will be described. First, the program guide generation unit 1442 acquires program identification information and broadcast date information from the MH-EIT included in the program arrangement information i2 output from the separation unit 142. More specifically, the program guide generator 1442 acquires the event identification number described in the event identification (event_id) included in the MH-EIT as program identification information. Further, the program guide generation unit 1442 uses the start time of the event described in the start time (start_time) included in the MH-EIT and the duration of the event described in the duration (duration) as broadcast date information. get. Subsequently, the program guide generation unit 1442 generates an area to which each program is assigned in the electronic program guide i3, that is, a framework of each program in the electronic program guide i3, based on the acquired broadcast date and time information. Then, the program guide generation unit 1442 arranges the acquired program identification information data in the allocated area (framework). The program guide generation unit 1442 performs the process of generating such an electronic program guide i3 on the number of program arrangement information i2 output from the separation unit 142, that is, the broadcast radio wave of each channel received by the broadcast reception unit 11. The final electronic program guide i3 is generated repeatedly. Then, the program guide generator 1442 outputs the generated image signal of the final electronic program guide i3 to the display device 15.

  By the way, the program data i1 included in the broadcast radio wave multiplexed and transmitted by the broadcast receiving unit 11 includes video data of various resolutions. In some cases, the display device 15 connected to the receiving device 10 does not support display of high-resolution video data. For example, it is conceivable that the display panel provided in the display device 15 connected to the receiving device 10 cannot display an image corresponding to high-resolution video data. In such a case, the display device 15 cannot view the high-resolution program selected by the user. Therefore, the reception device 10 (for example, the resolution down-conversion unit included in the video processing unit 1441) converts the video data of the high-resolution program selected by the user into a resolution that can be displayed by the display device 15 ( For example, it is down-converted and converted to a low resolution) and output to the display device 15. As a result, the user can view a high-resolution program on the display device 15 although the image quality is degraded. Note that the receiving device 10 uses the resolution information of the image that can be displayed by the display device 15 to, for example, HDMI (registered trademark) (High Definition Multimedia Interface), etc. It can be acquired by communication. Therefore, the receiving apparatus 10 can convert video data (down-conversion, up-conversion, etc.) in accordance with the resolution that can be displayed by the display device 15.

  However, the program data i1 included in the broadcast radio wave multiplexed and transmitted by the broadcast receiving unit 11 may not be permitted to convert video content such as resolution conversion. In this case, even the receiving device 10 cannot output image data obtained by converting the resolution of the video data included in the program data i1 to the display device 15. Therefore, in the receiving device 10, the program table generation unit 1442 assigns an area (framework) allocated to a high-resolution video program that is not permitted to be converted to a resolution that can be viewed on the display device 15 to other resolutions. An electronic program guide i3 displayed differently from the area (framework) assigned to the program is generated. That is, the program guide generating unit 1442 provided in the receiving device 10 generates an electronic program guide i3 that can distinguish and identify programs that can be viewed by the display device 15 and programs that cannot be viewed. To do. Thereby, the receiving device 10 notifies the user of programs that cannot be viewed.

  As a method of changing the display of the framework in the electronic program guide i3 in order to notify the user of a program that cannot be viewed because resolution conversion is not permitted, for example, a framework of a program that cannot be viewed There is a way to make it less noticeable by making it gray, that is, gray down. In addition, for example, a program framework color that cannot be viewed because resolution conversion is not permitted, and a program framework color that can be viewed is different from a program framework color that cannot be viewed. There is also a method of not arranging program identification information data within the framework (that is, not displaying information such as a program name or a program description). In addition, for example, a message indicating that the program cannot be viewed is displayed in the framework of a program that cannot be viewed because resolution conversion is not permitted, such as “This program cannot be displayed”. There is also a way to do it. Such a message may be displayed when, for example, the user operates the remote controller RC and selects a framework representing a program that cannot be viewed.

  When selecting a framework (program) displayed in the electronic program guide i3, the cursor superimposed on the electronic program guide i3 is moved by operating the remote controller RC to indicate the selected program. Can be selected. In this case, a program that cannot be viewed may not be selected by skipping a framework of a program that cannot be viewed because resolution conversion is not permitted. In this case, for example, a message indicating that the framework of a program that cannot be viewed has been skipped (for example, “program that cannot be selected” has been skipped) may be displayed superimposed on the electronic program guide i3.

  It should be noted that which of the above-described methods is used to notify the user of a program that cannot be viewed because resolution conversion is not permitted, for example, at the time of initial setting of the receiving device 10. It may be configured that the user sets the receiving device 10 by operating.

  With such a configuration, the receiving apparatus 10 notifies the user of programs that cannot be viewed because conversion to video content is not permitted.

  Next, generation processing of the electronic program guide i3 by the program guide generation unit 1442 provided in the receiving device 10 will be described in more detail. In the following description, the video content conversion process in the receiving apparatus 10 performed on the video content permitted to be converted is a down-conversion process in which high-resolution video data is converted into low-resolution video data. In this case, the generation process of the electronic program guide i3 in which the user can identify whether or not resolution conversion is permitted will be described. Also, in the following description, information on whether conversion is permitted or not (for example, a flag indicating whether conversion is permitted) indicating whether or not conversion of video content is permitted is program arrangement information i2 corresponding to this program. It is assumed that it is included in the MH-EIT. The description will be made assuming that the receiving device 10 has already acquired information on the resolution of an image that can be displayed by the display device 15 through communication with the connected display device 15.

  FIG. 8 is a flowchart showing a processing procedure of processing for generating the electronic program guide i3 in the digital broadcast receiving device (receiving device 10) of the present embodiment. Note that the generation process of the electronic program guide i3 by the program guide generation unit 1442 is performed by, for example, instructing the reception device 10 to display the electronic program guide by the user operating the remote controller RC, and the infrared communication unit 12 The process is started after receiving the infrared transmission signal from the RC and outputting the operation content information indicating that the instruction to display the electronic program guide has been received to the control unit 14.

  When operation content information indicating that an instruction to display an electronic program guide has been received is input to the control unit 14, the control unit 14 first demodulates the broadcast signal output from the broadcast reception unit 11 by the demodulation unit 141. Then, the program arrangement information i2 is extracted from the broadcast signal by separating the program data i1 and the program arrangement information i2 included in the demodulated broadcast signal by the separation unit 142 (step S101).

  Subsequently, the program guide generation unit 1442 acquires program identification information and broadcast date information from the MH-EIT included in the program arrangement information i2 output from the separation unit 142. And the program schedule production | generation part 1442 comprises the framework of the electronic program schedule i3 based on the acquired broadcast date information (step S102). At this time, the program guide generation unit 1442 arranges the acquired program identification information data, that is, information such as the program name and program description to be displayed in the corresponding framework of the electronic program guide i3.

  Subsequently, the program guide generation unit 1442 performs a determination process (hereinafter referred to as “video data determination process”) of the resolution of the video data and whether or not conversion is possible for each framework program configured in the electronic program guide i3 (step “step”). S103). In the video data determination process, first, the value of the video signal resolution in the video component descriptor is acquired from the MH-EIT included in the program arrangement information i2 corresponding to the configured framework. Then, it is determined whether or not the acquired value of the video signal resolution is a resolution value that can be displayed on the display device 15, that is, can be viewed without conversion (step S104). As shown in FIG. 6, the value of the video signal resolution increases as the value increases. Therefore, in the determination of whether or not the program performed in step S104 can be viewed, the current determination is performed when the value of the video signal resolution is equal to or less than the value of the resolution that can be displayed on the display device 15. It is determined that the image of the video data of the frame, that is, the program of this frame can be viewed, and the program of this frame is larger than the resolution value that can be displayed on the display device 15. It is determined that viewing is not possible.

  Whether or not the program can be viewed in step S104 is determined based on the information about the resolution of the image that can be displayed by the display device 15 acquired through communication with the connected display device 15. For example, it is stored in the storage unit 13, and for example, the comparison unit provided in the program guide generation unit 1442 displays the acquired value of the video signal resolution and the display device 15 stored in the storage unit 13. The configuration may be performed by comparing with the resolution information of a possible image.

  When it is determined by the determination in step S104 that the program of the framework currently being determined is a program having a resolution that can be displayed on the display device 15 (“YES” in step S104), the program table generator 1442 Repeats the video data determination process for the next framework program configured in the electronic program guide i3.

  On the other hand, when it is determined by the determination in step S104 that the program of the framework currently being processed is not a program having a resolution that can be displayed on the display device 15 ("NO" in step S104), a program table generator 1442 determines whether or not the program of the framework currently being determined is a program that is permitted to be converted, that is, whether or not it can be down-converted (step S105). Whether or not the conversion is permitted in step S105 is determined based on the program arrangement information i2 corresponding to the program (video content) of the framework that the program table generator 1442 is currently determining. Information on whether conversion is possible is acquired from the included MH-EIT, and determination is made based on the acquired information about whether conversion is possible.

  If it is determined in step S105 that the program of the currently determined framework is a program that can be down-converted (“YES” in step S105), the program guide generation unit 1442 displays the electronic program guide. The video data determination process is repeated for the program of the next framework configured in i3.

  On the other hand, if it is determined in step S105 that the program of the framework currently being processed is not a program that can be down-converted (“NO” in step S105), the program table generator 1442 determines the current determination. The display of the framework that is performing is changed (step S106). And the program schedule production | generation part 1442 repeats video data determination processing about the program of the next framework comprised to the electronic program guide i3.

  Note that the change in the display of the framework in step S106 may be, for example, a configuration in which the program guide update unit provided in the program guide generation unit 1442 updates the display of the framework currently being determined.

  As described above, the program guide generation unit 1442 repeats the video data determination process (step S103), and determines the resolution of the video data for all the programs constituting the framework in the electronic program guide i3. Then, as a result of determining the resolution of the video data, the program guide generation unit 1442 determines whether or not the video data can be converted when the video data has a resolution that cannot be viewed unless it is converted. When the resolution of the video data and the determination of whether or not conversion is completed for all programs, the program guide generation unit 1442 outputs the generated electronic program guide i3 to the display device 15 (step S107). As a result, the display device 15 displays the electronic program guide i3 output from the receiving device 10 and presents it to the user, and ends the generation process of the electronic program guide i3.

  By such a processing procedure, the program table generator 1442, that is, the receiving device 10, when the resolution of the received video content is higher than the resolution that can be displayed by the connected display device 15, the resolution for the video content. Check whether or not conversion is allowed. Then, the receiving device 10 (program guide generation unit 1442) generates an electronic program guide i3 in which the display of each framework is changed between a program that can be viewed by resolution conversion and a program that cannot be viewed. Present (notify) the user. Thereby, the user can visually confirm whether or not the program can be viewed from the display of the electronic program guide i3.

  Here, an example of the electronic program guide i3 generated by the program guide generator 1442 provided in the receiving device 10 and output to the display device 15 will be described. FIG. 9 is a diagram schematically showing an example of the electronic program guide i3 generated in the digital broadcast receiving device (receiving device 10) of the present embodiment. FIG. 9 shows a state where the electronic program guide i3 generated by the receiving device 10 is displayed on the display device 15. In the following description, the receiving device 10 is a set top box (STB) capable of outputting an image signal of a program with 8K resolution, and the display device 15 is a program with a resolution of 4K size. Is assumed to be a television that can be viewed. An example of the electronic program guide i3 shown in FIG. 9 shows a case where one broadcaster (broadcast station) broadcasts each program on three channels.

  As shown in FIG. 9, in the electronic program guide i3, the name of each channel is shown in the first row from the top of the electronic program guide i3 displayed on the display device 15, and the broadcast time of the program is shown in the electronic program guide. It is shown in the leftmost column of i3. In the electronic program guide i3, the broadcast date and time of each program is represented by a frame determined by the channel name shown in the first row from the top and the broadcast time shown in the leftmost column. If there are a large number of broadcasters such as broadcast stations, the names of broadcast stations that broadcast programs on each channel may be shown above the channels shown in the first row in FIG.

  When the user issues an instruction to display the electronic program guide to the receiving device 10, the program guide generating unit 1442 provided in the receiving device 10 performs the above-described electronic program guide i3 generation processing and configures each of the configured frameworks. An electronic program guide i3 in which program identification information is arranged is generated and output to the display device 15. The example shown in FIG. 9 shows an example where the broadcast station broadcasts a 4K resolution program on each channel and an 8K resolution program on each channel. More specifically, in the example shown in FIG. 9, between “7” and “9”, a 4K size program P11 (“Good Morning Japan”) is displayed on channel A, and a 4K size program P12 (“good morning Japan”) is displayed on channel B. An example is shown in which “Morning News”) is broadcast on channel C on a 4K-sized program P13 (“Today's Weather”). The example shown in FIG. 9 shows an example in which an 8K-sized program P21 (“movie”) is broadcast on all channels A to C between “9” and “12”. Yes. Further, in the example shown in FIG. 9, "12" when ~ "13" o'clock, the channel A in the 4K size program P31 ( "Hello Japan"), and an 8K size channel B program P32 ( "Hello Japan" ) Shows an example in the case of broadcasting a 4K size program P33 ("afternoon weather") on channel C.

  Then, the program guide generation unit 1442 acquires the value of the video signal resolution in the video component descriptor from the MH-EIT included in the program arrangement information i2, and the program that cannot be viewed on the display device 15 is arranged. Change the display of the framework. In the example shown in FIG. 9, the display device 15 has a function capable of viewing a program with a 4K resolution, that is, a television that cannot view a program with an 8K resolution. Therefore, as shown in FIG. 9, the program guide generation unit 1442 has a framework of an 8K size program P21 that cannot be viewed because resolution conversion is not permitted, and a 4K size program that can be viewed. An electronic program guide i3 that can distinguish and identify the framework of P11, program P12, program P13, program P31, and program P33 is generated, output, and displayed on the display device 15. The example shown in FIG. 9 shows a case where an electronic program guide i3 in which an 8K-size program whose resolution conversion is not permitted is grayed out is generated and displayed on the display device 15. The example shown in FIG. 9 also shows that the 8K-size program P32 for which resolution conversion is permitted can be viewed by converting the resolution to 4K size.

  As shown in the example of FIG. 9, the program guide generation unit 1442 changes the display of the program framework that cannot be viewed because resolution conversion is not permitted, thereby allowing the user to enter the electronic program guide i3. It visually indicates (notifies) that a program that cannot be viewed is included. Thus, the user can easily recognize a program that cannot be viewed by checking the electronic program guide i3.

  In the example shown in FIG. 9, the program P31 and the program P32 that are broadcast between “12” and “13” in channel A and channel B are programs having the same contents, but are transmitted by the transmission device 20. Since the resolution of the video data is different, the frame display is different. However, when the resolutions of the video data of the program P31 and the program P32 are the same resolution (for example, 4K size), the display of the frame can be made the same. In this case, the program P31 and the program P32 may be represented by one frame.

  As described above, since the resolution conversion is permitted, the program P32 is a program that can be viewed by converting the 8K size to the 4K size. Therefore, as shown in FIG. 9, the program guide generation unit 1442 uses a method different from the method for identifying a program that cannot be viewed, that is, a program P21 for which resolution conversion is not permitted. An electronic program guide which can distinguish and identify the framework of the program P32 that can be viewed by converting the program P32 and the framework of the program P31 that can be viewed without converting the resolution. i3 may be generated and displayed on the display device 15.

  In addition, as described above, there are other methods for showing (notifying) to the user programs that cannot be viewed because resolution conversion is not permitted, in addition to graying out the framework of programs that cannot be viewed. There are various methods such as a method of changing the color of the frame, a method of not arranging (displaying) data of program identification information in the frame, and a method of displaying a message indicating that the program cannot be viewed. However, these methods can be considered in the same manner as the example shown in FIG. 9 (method of graying down the program framework). Therefore, a description of an example of showing (notifying) to a user a program that cannot be viewed by a method other than the method of graying down the program framework will be omitted.

  As described above, according to the mode for carrying out the present invention, the information representing the resolution of the video data included in the program information accompanying the program data multiplexed on the received broadcast radio wave and the conversion to the video content Based on the availability information, the user is notified of a program that cannot be viewed due to the intention of the program producer or the copyright owner of the video content. More specifically, it is a program that can be displayed on the display device based on the value of the video signal resolution described in the video signal resolution in the video component descriptor included in the MH-event information table relating to broadcast radio waves. It is determined whether or not there is. Then, in the case of a program that cannot be displayed on the display device, a program that cannot be viewed because resolution conversion is not permitted and resolution conversion is not performed on the basis of information on whether or not the video content can be converted. Alternatively, an electronic program guide is generated that is distinguished from a program that can be viewed by performing resolution conversion, and is output to a display device. Accordingly, the user can easily confirm (recognize) a program that cannot be viewed because resolution conversion is not permitted by confirming the electronic program guide displayed on the display device.

  In the form for carrying out the present invention, after the program guide generation unit 1442 configures the framework of the electronic program guide i3, the video data determination for determining the resolution of the video data and the convertibility of the program of each framework is performed. The case where processing is performed has been described. However, the video data determination processing performed in the program guide generation unit 1442 is not limited to the information shown in the embodiment for carrying out the present invention. For example, when the program guide generation unit 1442 performs video data determination processing when a framework is configured and information such as a program name or a program description is arranged in the corresponding framework of the electronic program guide i3, the resolution already exists. A program that cannot be viewed because conversion is not permitted may be distinguished from a program that can be viewed without performing resolution conversion or by performing resolution conversion.

  Further, in the embodiment for carrying out the present invention, the description has been made on the assumption that the conversion permission / inhibition information for video content is included in the MH-EIT of the program arrangement information i2 corresponding to the program. The information indicating whether or not the video content can be converted is, for example, information described in a content use descriptor (image_constraint_token: tic) defined in the DTCP (Digital Transmission Content Protection) standard. However, the information indicating whether or not the video content can be converted is not limited to the information set in the format shown in the embodiment for carrying out the present invention. For example, the video content itself may include information indicating whether or not conversion is possible, such as the first frame of video data included in the program data i1 that is video content or frames at regular intervals. Further, for example, a broadcast radio wave or a packet transmitted as a broadcast radio wave may include a format in which information about whether video content can be converted is included.

  In the embodiment for carrying out the present invention, the information indicating whether or not conversion is possible for video content is information indicating whether or not resolution conversion is permitted (for example, a flag indicating whether or not conversion is permitted). I explained a case. However, information on whether or not video content can be converted is not limited to the information shown in the embodiment for carrying out the present invention. For example, when resolution conversion is permitted, conversion up to which resolution is permitted. The information which expresses may be included. In this case, for example, assuming that down-conversion up to 4K size is permitted in the information on whether or not conversion of a program with 8K size resolution is permitted, the display device 15 that can view a program with 4K size resolution down-converts. However, the display device 15 capable of viewing a 2K size resolution program cannot view the down-converted program. Even in such a case, the program guide generation unit 1442 can display the electronic program guide corresponding to each display device 15 based on the resolution information of the images that can be displayed by the display device 15 that has already been acquired. i3 can be generated. More specifically, for the display device 15 capable of viewing a 4K size resolution program, an electronic program guide i3 is generated and output as a program capable of viewing the above program, and the 2K size is output. An electronic program guide i3 is generated and output to the display device 15 that can view a program with a resolution of 1 to 5 as a program that cannot be viewed.

  In the embodiment for carrying out the present invention, the case has been described in which the conversion to the video content is a down-conversion for converting the high-resolution video data to the low resolution. However, the conversion of the video content is not limited to the resolution down-conversion shown in the embodiment for carrying out the present invention. That is, the idea of the present invention can be similarly applied to a system having a configuration in which there is a difference between the ability to receive and the ability to present to the user. For example, the concept of the present invention can be similarly applied to conversion of video data such as the frame rate, color range (color gamut), and division of the video data. Further, the conversion to the video content is not limited to the conversion to the video data shown in the embodiment for carrying out the present invention. For example, the concept of the present invention is similarly applied to the conversion to audio data. can do. Furthermore, the conversion of the video content is not limited to the down-conversion shown in the embodiment for carrying out the present invention. For example, the concept of the present invention can be similarly applied to the up-conversion. .

  In the embodiment for carrying out the present invention, the case where the electronic program guide generation process is started when an instruction to display the electronic program guide is issued to the receiving apparatus 10 has been described. However, the timing for generating the electronic program guide, that is, the timing for starting the generation processing of the electronic program guide is not limited to the timing shown in the embodiment for carrying out the present invention. For example, the program guide generation unit 1442 can create (update) an electronic program guide in advance when a predetermined time interval or program information multiplexed on broadcast radio waves is updated. In this case, the image signal of the electronic program guide generated in advance is stored in the storage unit 13, and when an instruction to display the electronic program guide is issued to the receiving device 10, the program guide generation unit 1442 is stored in the storage unit 13. By reading out the stored image signal of the electronic program guide and outputting it to the display device 15, the electronic program guide can be presented to the user more quickly.

  When the electronic program guide is created (updated) in advance, for example, a broadcasting station that broadcasts a program that is included in a predetermined electronic program guide and cannot be viewed because resolution conversion is not permitted. The information about the channel and the broadcast time of the program can be stored in the storage unit 13 separately from the image signal of the electronic program guide. Thus, for example, even when a user tries to directly select a program to be viewed by operating a numeric button on the remote controller RC or a channel selection button (channel button) for switching to an adjacent channel while viewing the program. Therefore, it is possible to prevent selection of programs that cannot be viewed because resolution conversion is not permitted. As a method for preventing selection of programs that cannot be viewed because resolution conversion is not permitted, for example, a program that cannot be viewed can be skipped and viewed. There is a way to select the program. In this case, for example, a message indicating that the framework of a program that cannot be viewed has been skipped may be displayed. For example, there is a method of not accepting an operation of the remote controller RC for selecting a program that cannot be viewed, that is, not responding to a user operation. In addition, for example, when a program that cannot be viewed is selected, a message indicating that the selected program cannot be viewed is displayed, such as “This program cannot be displayed”. There is also a method of not changing from the currently selected (viewed) program.

  In the embodiment for carrying out the present invention, the case where the MMT method is adopted as the media transport method of digital broadcasting in the digital broadcasting system 1 has been described. However, the media transport method adopted in the digital broadcasting system 1 Is not limited to the system shown in the mode for carrying out the present invention. For example, as a media transport system for digital broadcasting in the digital broadcasting system 1, an MPEG-2 TS (Moving Picture Experts Group-2 Transport Stream) system or an RTP (Real-time Transport Protocol) system may be adopted.

  In the embodiment for carrying out the present invention, the case where the program arrangement information i2 is transmitted by the broadcast radio wave multiplexed with the program data i1 has been described. The method by which the receiving apparatus 10 acquires the program arrangement information i2 is not limited to the method shown in the embodiment for carrying out the present invention. For example, the receiving device 10 may acquire the program arrangement information i2 through communication with a server device included as a configuration of the digital broadcasting system 1.

  In the embodiment for carrying out the present invention, the receiving apparatus 10 and the display apparatus 15 are included in the digital broadcasting system 1 as separate apparatuses, that is, the receiving apparatus 10 and the display apparatus 15 are separate bodies. Although the case has been described, the configuration for displaying the received program and the electronic program guide is not limited to the configuration shown in the embodiment for carrying out the present invention. For example, a configuration in which the function of the receiving device 10 is mounted in the display device 15, that is, a television receiver (television) in which the display device 15 includes the function of the receiving device 10 may be used. For example, the receiving device 10 may be provided in a mobile terminal such as a mobile phone. For example, the storage unit included in the mobile terminal is used as the storage unit 13 included in the reception device 10, and the audio output unit and the display unit included in the mobile terminal are used as the display device 15 included in the digital broadcasting system 1. It may be configured to be used.

  For example, a program for realizing processing by a part of the receiving apparatus 10 illustrated in FIG. 7, for example, the control unit 14 or the program table generation unit 1442 in the display processing unit 144 provided in the control unit 14, By recording the program on a computer-readable recording medium, reading the program recorded on the recording medium into a computer system, and executing the program, the above-described various types of the receiving apparatus 10 and the program guide generation unit 1442 according to the present embodiment are performed. Processing may be performed. Here, the “computer system” may include an OS and hardware such as peripheral devices. Further, the “computer system” includes a homepage providing environment (or display environment) if a WWW system is used. The “computer-readable recording medium” means a flexible disk, a magneto-optical disk, a ROM, a writable nonvolatile memory such as a flash memory, a portable medium such as a CD-ROM, a hard disk built in a computer system, etc. This is a storage device.

  Further, the “computer-readable recording medium” refers to a volatile memory (for example, DRAM (Dynamic) in a computer system serving as a server or a client when a program is transmitted via a network such as the Internet or a communication line such as a telephone line. Random Access Memory)) that holds a program for a certain period of time is also included. The program may be transmitted from a computer system storing the program in a storage device or the like to another computer system via a transmission medium or by a transmission wave in the transmission medium. Here, the “transmission medium” for transmitting the program refers to a medium having a function of transmitting information, such as a network (communication network) such as the Internet or a communication line (communication line) such as a telephone line. The program may be for realizing a part of the functions described above. Furthermore, what implement | achieves the function mentioned above in combination with the program already recorded on the computer system, and what is called a difference file (difference program) may be sufficient.

  In addition, a part of the receiving apparatus 10 of the present embodiment, for example, the control unit 14, the program table generation unit 1442 in the display processing unit 144 provided in the control unit 14, or the whole may be an LSI (Large Scale Integration) or the like. It may be realized as an integrated circuit. Each component in the receiving apparatus 10 of the present embodiment may be individually made into a processor, or a part or all of them may be integrated into a processor. Further, the method of circuit integration is not limited to LSI, and may be realized by a dedicated circuit or a general-purpose processor. In addition, when an integrated circuit technology that replaces LSI appears due to the advancement of semiconductor technology, an integrated circuit based on the technology may be used.

  The embodiment of the present invention has been described above with reference to the drawings. However, the specific configuration is not limited to this embodiment, and includes various modifications within the scope of the present invention. It is.

DESCRIPTION OF SYMBOLS 1 ... Digital broadcasting system 10 ... Receiving device (digital broadcasting receiving device)
11 ... Broadcast receiver (digital broadcast receiver, broadcast receiver)
12 ... Infrared communication unit (digital broadcast receiver)
13: Storage unit (digital broadcast receiver)
14 ... Control unit (digital broadcast receiver, program information acquisition unit, display processing unit, program table generation unit)
141: Demodulator (digital broadcast receiver, program information acquisition unit)
142... Separation unit (digital broadcast receiver, program information acquisition unit)
143 ... Audio processing unit (digital broadcast receiver)
144... Display processing unit (digital broadcast receiving device, display processing unit)
1441 ... Video processing unit (digital broadcast receiving device, display processing unit)
1442 ... Program guide generation unit (digital broadcast receiving device, display processing unit, program guide generation unit)
15 ... display device 20 ... transmitting device i1 ... program data (video data)
i2 ... Program information i3 ... Electronic program guide BS ... Broadcast satellite RC ... Remote controllers P11, P12, P13, P31, P33 ... Program (second program)
P21 ... Program (first program)
P32 ... Program (second program, third program)

Claims (14)

A broadcast receiving unit for receiving broadcast radio waves of a program including at least video data;
A program information acquisition unit that acquires program information including broadcast date / time information of the program, resolution information of the video data, and resolution conversion availability information indicating whether or not resolution conversion is permitted for the video data When,
An image signal corresponding to the video data is output to the display device, and an image corresponding to the image signal cannot be displayed on the display device based on the resolution information of the video data and the resolution conversion availability information. A display that makes it possible to distinguish between the first program determined to be and the second program determined to be able to display an image corresponding to the image signal on the display device based on the resolution information of the video data A processing unit;
A digital broadcast receiving apparatus. The display processing unit
When the resolution of the video data is higher than the resolution of an image that can be displayed by the display device, it is determined whether or not resolution conversion for the video data is permitted based on the resolution conversion enable / disable information. When the resolution conversion for the video data is not permitted, the program including the video data is determined as the first program, and when the resolution conversion for the video data is permitted, the video data is included. Determining that the program is the second program;
The digital broadcast receiver according to claim 1. The display processing unit
A program guide generator for generating an electronic program guide in which a plurality of the programs are arranged based on the broadcast date and time information;
With
The program guide generation unit
Generating the electronic program guide indicating that the program cannot display an image according to the image signal in a first area in the electronic program guide in which the first program is represented; Outputting to the display device;
The digital broadcast receiver according to claim 2. The program guide generation unit
The display of the first area is different from the display of the second area in the electronic program guide in which the second program is represented.
The digital broadcast receiver according to claim 3. The program guide generation unit
The color of the first region is represented by a color different from the color of the second region.
The digital broadcast receiver according to claim 4. The program guide generation unit
The first region is represented in gray,
The digital broadcast receiver according to claim 5. The program guide generation unit
The information included in the program information corresponding to the program arranged in the first area is not displayed in the first area.
The digital broadcast receiver according to any one of claims 4 to 6. The program guide generation unit
A message for clearly indicating that the program cannot be viewed is displayed in the first area;
The digital broadcast receiver according to any one of claims 4 to 7. The program guide generation unit
Displaying the message when the first region is selected;
The digital broadcast receiver according to claim 8. The program guide generation unit
A program including the video data determined to be the second program because resolution conversion for the video data is permitted is defined as a third program, and the third program is represented in the electronic program guide. The display of the second area is different from the display of the second area where the other second program is represented.
The digital broadcast receiver according to any one of claims 4 to 9. The display processing unit
Making it impossible to select the first program,
The digital broadcast receiver according to any one of claims 1 to 9. The display processing unit
Displaying a message for clearly indicating that the first program cannot be viewed;
The digital broadcast receiver according to claim 10. A broadcast receiving step for receiving broadcast radio waves of a program including at least video data;
A program information acquisition step for acquiring program information including broadcast date / time information of the program, resolution information of the video data, and resolution conversion availability information indicating whether or not resolution conversion is permitted for the video data. When,
An image signal corresponding to the video data is output to the display device, and an image corresponding to the image signal cannot be displayed on the display device based on the resolution information of the video data and the resolution conversion availability information. A display that makes it possible to distinguish between the first program determined to be and the second program determined to be able to display an image corresponding to the image signal on the display device based on the resolution information of the video data Processing steps;
A digital broadcast receiving method including: A broadcast receiving step for receiving broadcast radio waves of a program including at least video data;
A program information acquisition step for acquiring program information including broadcast date / time information of the program, resolution information of the video data, and resolution conversion availability information indicating whether or not resolution conversion is permitted for the video data. When,
An image signal corresponding to the video data is output to the display device, and an image corresponding to the image signal cannot be displayed on the display device based on the resolution information of the video data and the resolution conversion availability information. A display that makes it possible to distinguish between the first program determined to be and the second program determined to be able to display an image corresponding to the image signal on the display device based on the resolution information of the video data Processing steps;
A program that causes a computer to execute.

Images