WO2001086947A1 - Appareil prenant en charge l'enregistrement et la projection de diffusion numerique - Google Patents
Appareil prenant en charge l'enregistrement et la projection de diffusion numerique Download PDFInfo
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- WO2001086947A1 WO2001086947A1 PCT/JP2001/003765 JP0103765W WO0186947A1 WO 2001086947 A1 WO2001086947 A1 WO 2001086947A1 JP 0103765 W JP0103765 W JP 0103765W WO 0186947 A1 WO0186947 A1 WO 0186947A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4348—Demultiplexing of additional data and video streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4882—Data services, e.g. news ticker for displaying messages, e.g. warnings, reminders
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
- H04N9/8233—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being a character code signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
Definitions
- the present invention supports recording or viewing of a communication satellite (CS), a broadcast satellite (BS), or a program scheduled to be broadcast as a digital broadcast using ⁇ Jakami waves.
- CS communication satellite
- BS broadcast satellite
- TECHNICAL FIELD The present invention relates to a recording and viewing support device that performs, and a television receiver for digital broadcasting having a function as such a recording and viewing support device.
- reception image quality The image quality of a television receiver gradually deteriorates in analog broadcasts as the reception condition deteriorates. To go .
- reception quality of digital broadcasting does not degrade even up to the limit of the error correction capability of the television receiver, even if the reception condition is poor. That is, the reception state and the reception image quality in analog broadcasting and digital broadcasting have a relationship as shown in FIG. Thus, it can be said that the reception image quality of digital broadcasting is less affected by the reception state compared to analog broadcasting.
- the reception image quality is rapidly deteriorated.
- Television receivers for digital broadcasting usually exceed the ability to correct errors. If the reception condition deteriorates as much as possible, the video will not be displayed.
- the reception status in satellite broadcasting and terrestrial television broadcasting is affected by the weather.
- the image quality of the recorded video is affected by the weather during the broadcast time zone of the program.
- the receiving condition deteriorates, the program cannot be substantially recorded.
- Some digital broadcasts require a fee, and in this case, it is necessary to avoid a situation in which the program reserved for recording cannot be practically recorded due to bad weather. It is considered to be particularly strong.
- an object of the present invention is to provide a recording and viewing support device for digital broadcasting that enables reliable recording or viewing of a program scheduled to be broadcast as digital broadcasting.
- the present invention has the following features in order to achieve the above object.
- the first aspect of the present invention is broadcast as digital broadcasting
- a recording and viewing support device that supports recording or viewing of a program selected by the user as a desired program from scheduled programs.
- Weather forecast information acquiring means for acquiring, as the relevant weather forecast information, the weather forecast information for the relevant weather, which is the weather in the broadcast time zone of the desired program at the point where the digital broadcast is received, based on the program identification information; and ,
- Determining means for determining whether or not the weather is bad enough to degrade the image quality or sound quality of the desired program based on the weather forecast information
- Notifying means for notifying the possibility of deterioration of the image quality or sound quality of the desired program when the corresponding weather is judged to be bad by the judging means;
- the image quality or sound quality of the desired program to be broadcast as a digital broadcast is determined based on the weather forecast information for the weather (applicable weather) in the broadcast time zone of the desired program. It is determined whether or not the weather is bad enough to degrade the weather, and if it is determined that the weather is bad, there is a possibility that the image quality or sound quality of the desired program may deteriorate. Notice-is known. Therefore, the user should select a program in a broadcasting time zone in which the image quality and sound quality are not likely to be degraded due to such bad weather, so that the user is expected to broadcast as a digital broadcast. You can record or view the desired program without fail.
- the second phase is the first phase
- the determining means determines that the weather is bad, it is a program that has the same content as the desired program and is scheduled to be broadcast in a time zone different from the broadcast time zone of the desired program. Search means for searching for the same program at another time,
- the same program information display means for displaying information for specifying the same program at another time found by the search means.
- the possibility if there is a possibility that the image quality or sound quality may be degraded due to bad weather during the broadcast time of the desired program, the possibility will be announced and another time will be announced.
- the same program is searched, and information identifying the same program at another time is displayed. Therefore, if there is a possibility that the image quality or sound quality may deteriorate due to bad weather during the broadcast time of the desired program, the user can select the same program for another time as a new desired program. Therefore, it is possible to reliably and easily record or view a desired program to be broadcast as a digital broadcast.
- the third phase is the first phase
- the program specifying information obtaining means is:
- Program information display means for displaying a program guide based on program arrangement information included in the transport stream
- Input operation means operated by the user to select a desired program from the programs shown by the program guide, and acquiring program specific information based on the user's operation; and This And are characterized.
- the user selects a desired program while looking at the program guide, thereby reducing the deterioration of image quality or sound quality due to bad weather in the broadcast time zone of the desired program. Since the possibility can be checked, it is possible to easily and reliably record or view a desired program to be broadcast as a digital broadcast.
- the fourth phase is the second phase
- the program specifying information obtaining means is:
- Program information display means for displaying a program guide based on program arrangement information included in the transport stream
- Input operation means operated by the user to select a desired program from the programs shown by the program guide, and acquiring program specific information based on the user's operation;
- the search means is characterized by searching for the same program at another time using the program arrangement information.
- the user selects the desired program while looking at the program guide, thereby reducing the deterioration of image quality or sound quality due to bad weather during the broadcast time of the desired program.
- the image quality or sound quality may be degraded due to bad weather during the broadcast time of the desired program, it is possible to obtain information specifying the same program for another time. Therefore, it is possible to more easily and reliably record or view a desired program to be broadcast as a digital broadcast.
- the fifth phase is similar to the second phase,
- the weather forecast information obtaining means obtains, as new corresponding weather forecast information, the weather forecast information for the weather in the broadcasting time zone of the same program at another time when the same program is found at another time by the search means.
- the determination means determines that the broadcast time zone of the same program for another time is so degraded that the image or sound quality of the same program for another time is deteriorated based on the new corresponding weather forecast information. To determine if the weather is bad
- the notifying means is characterized by notifying the possibility of deterioration of the image quality or sound quality of the same program for another time in the broadcast time zone determined to be bad in the weather.
- the possibility if there is a possibility that image quality or sound quality may be degraded due to bad weather during the broadcast time of the desired program, the possibility will be announced and another time will be announced.
- the same program is searched, and the information that identifies the same program at a different time is displayed.
- the user may select the image quality due to the bad weather of the same program for another time. Since it is possible to select a new program with no possibility of deterioration in sound quality or sound quality as a desired program, it is possible to more easily and reliably record or view a desired program to be broadcast as a digital broadcast.
- the sixth phase is the second phase
- Search means can be used not only for digital broadcast programs but also for analog The feature is that the same program is searched for another time from the transmitted program.
- the same program is searched for another time. At this time, the same program is searched not only for the digital broadcast program but also for the analog broadcast program for another time. Therefore, if there is a possibility that the image quality or sound quality may be degraded due to bad weather in the broadcast time zone of the desired program, the user may newly select the same program for another time of analog broadcasting. Therefore, a desired program to be broadcast as a digital broadcast or a program having the same content as the digital broadcast can be more reliably recorded or viewed.
- the weather forecast information obtaining means includes a receiving means for receiving the data broadcast, and obtains the corresponding weather forecast information from the data broadcast.
- the weather forecast information obtaining means includes an interface means for connecting to the Internet, and the weather forecast information obtaining means includes an interface means for connecting to the Internet. It is characterized in that the corresponding weather forecast information is obtained via the Internet by means of the interface.
- the judging means determines the image quality of the desired program when the probability of precipitation included in the corresponding weather forecast information is larger than a predetermined value. Another feature is that the weather is judged to be bad enough to degrade the sound quality.
- the judging means determines the image quality or the quality of the desired program when the washing index included in the corresponding weather forecast information is smaller than a predetermined value. It is characterized in that the weather is judged to be bad enough to degrade the sound quality.
- the reception level decrease probability defined as the probability that the digital broadcast reception level becomes lower than a predetermined level threshold corresponds to the precipitation probability.
- the determining means obtains the reception level decrease probability corresponding to the precipitation probability included in the corresponding weather forecast information based on the correlation data, and when the obtained reception level decrease probability is larger than a predetermined probability threshold. Another feature is that the weather is judged to be bad enough to degrade the image quality or sound quality of the desired program.
- the reception level decrease probability and the washing index defined as the probability that the reception level of the digital broadcast becomes lower than a predetermined level threshold in the first or second aspect
- the determining means obtains a reception level decrease probability corresponding to the washing index included in the corresponding weather forecast information based on the correlation data, and determines that the obtained reception level decrease probability is larger than a predetermined probability threshold.
- the weather is judged to be bad enough to degrade the image quality or sound quality of the desired program.
- the thirteenth aspect is a recording / viewing support system that supports the recording or viewing of a program selected by the user as a desired program from among programs scheduled to be broadcast as digital broadcasting.
- a program identification information acquisition means for acquiring program identification information for identifying a desired program based on a user operation;
- Weather forecast information acquiring means for acquiring, as the relevant weather forecast information, the weather forecast information for the relevant weather, which is the weather in the broadcast time zone of the desired program at the point where the digital broadcast is received, based on the program identification information;
- a storage means for storing correlation data for associating a reception level decrease probability defined as a probability that a reception level of a digital broadcast becomes lower than a predetermined level threshold with weather forecast information, and the correlation data.
- the thirteenth aspect based on the weather forecast information for the weather of the desired program to be broadcast as a digital broadcast, information indicating the possibility of deterioration of the image quality or sound quality of the desired program is provided. Then, the probability that the reception level of the digital broadcast becomes lower than a predetermined level threshold (reception level reduction probability) is announced. Therefore, the user will be notified Based on the level drop probability, by selecting a program in a broadcasting time zone in which the image quality and sound quality are not likely to be degraded due to such bad weather, the desired program to be broadcast as a digital broadcast can be reliably determined. You can record or watch the video.
- the first fourteenth phase is the first thirteenth phase
- the correlation data is characterized by associating the reception level drop probability with the precipitation probability or the washing index included in the corresponding weather forecast information.
- FIG. 1 is a functional block diagram showing a configuration of a recording and viewing support device according to the first embodiment of the present invention.
- FIG. 2 is a block diagram showing a hardware configuration of the recording and viewing support apparatus according to the first embodiment.
- FIG. 3 is a flowchart showing the operation of the CPU in the recording and viewing support apparatus according to the first embodiment.
- FIG. 4 is a flowchart showing the operation of the CPU in the recording and viewing support apparatus according to the second embodiment of the present invention.
- FIG. 5 is a flowchart showing the operation of the CPU in the recording and viewing support apparatus according to the third embodiment of the present invention.
- FIG. 6 is a diagram illustrating a display example of an electronic program guide according to the first embodiment.
- FIG. 7 is a diagram showing a first display example of a screen when a recording reservation is made in the first embodiment.
- FIG. 8 is a diagram showing a second display example of a screen when a recording reservation is made in the first embodiment.
- FIG. 9 is a diagram showing a display example of a screen when a recording reservation is made in the second embodiment.
- FIG. 10 is a block diagram showing a hardware configuration of a modified example of the recording and viewing support apparatus according to the first embodiment.
- Fig. 11 is a correlation diagram showing the relationship between the probability of precipitation and the probability of decrease in reception level.
- FIG. 12 is a diagram illustrating a relationship between a reception state and a reception image quality in a television receiver in the case of analog broadcasting and the case of digital broadcasting.
- FIG. 1 is a functional block diagram showing a configuration of a digital broadcast recording and viewing support apparatus according to a first embodiment of the present invention.
- This recording and viewing support device is a device for supporting the recording and viewing of programs scheduled to be broadcast as digital broadcasts using satellites and terrestrial waves.
- the receiving unit 101 receives a radio wave from a satellite or a terrestrial radio wave to obtain a digitally modulated signal, and demodulates and demodulates the digitally modulated signal. And decode. As a result, a transport stream is generated, and the program arrangement information included in the transport stream is provided to the electronic program guide generating unit 102. You. If the digital broadcast has a data channel and the data broadcast is being performed, the receiving units 1 and 1 transmit the data transmitted on that data channel (hereinafter referred to as “data broadcast”). Data broadcast data ”) and gives it to the data broadcast presenting unit 103. Further, data necessary for processing described later for supporting recording and viewing of the program arrangement information and the data broadcasting data is provided to the system control unit 105.
- the electronic program guide generation unit 102 is configured to receive a program such as a PAT (Program Association Table) or a Map ⁇ Program (Program Map Table) included in the program Using the information, display data (hereinafter, referred to as “program table data”) for displaying a program table (electronic program table) is generated and supplied to the video compositing unit 106.
- program table data display data
- the data broadcast presenting unit 103 generates display data (hereinafter referred to as “data broadcast presenting data”) based on the data broadcast data provided from the receiving unit 101, and synthesizes the display data. Give to Part 106.
- the video synthesizing unit 106 uses the program guide data, the data broadcast presentation data, and the notification data described later to generate a system control unit 106. Under the control of 5, display data for performing a display to be shown to the user is generated and supplied to the video display unit 110. The video display unit 110 performs display according to the display data.
- the input operation unit 109 is used by the user to perform operations such as selecting a program on the recording and viewing support apparatus according to the present embodiment.
- operations such as selecting a program on the recording and viewing support apparatus according to the present embodiment.
- data indicating the contents of the operation is input to the system control unit 105.
- the system control unit 105 uses the storage unit 108 as working memory, and responds to a user operation on the input operation unit 109 by using the video synthesizing unit 100. 6 and the recording management section 104 are controlled. For example, when the user operates the input operation unit 109 to select a desired program from a program guide or the like, the system control unit 105 determines the broadcast state of the program (reception quality, etc.). Is determined based on the data transmission data, and if necessary, the video synthesizing unit 106 generates display data (hereinafter referred to as “notification data”) for notifying the user of the determination result. Combined with the display data of.
- the recording management unit 104 uses the data from the receiving unit 101 to manage the recording of a program scheduled to be broadcast as a digital broadcast under the control of the system control unit 105.
- the information for managing the recording reservation is stored in the recording information storage unit 107 as the recording management information.
- the electronic program guide generation unit 102 is controlled as necessary, for example, to display the status of recording reservation.
- FIG. 2 is a block diagram showing a node air configuration of the digital broadcast recording and viewing support apparatus according to the present embodiment. As shown in this figure, the recording / viewing support device according to the present embodiment is similar to the antenna 201 from the viewpoint of the hardware and the pair configuration.
- the STB 200 receives the digital variation n3 ⁇ 4 i obtained by receiving the radio wave from the satellite or the radio wave as the ground wave by the antenna 201, and inputs the STB 200 0 0 generates a video signal by demodulating, accumulating, and decoding the digitally modulated signal, and outputs this.
- This video signal is supplied to a monitor or a conventional television receiver (“monitor television”) 207, where the video is displayed.
- the STB 200 described above includes a signal demodulator 202, an MPEG 2 transport decoder 203, a CPU 204, an MPEG 2 video decoder 1 to 205, It has an A / A converter 206, a memory 208, a key operation unit 209, and a remote control receiver 210.
- the receiving unit 101 in the recording and viewing support apparatus shown in FIG. 1 has an antenna 201, a signal recovery RH 202, and an MPEG 2 packet in the hardware configuration shown in FIG. This is realized by the Lanscape Decoder 203 and the MPEG2 Video Decoder 205.
- the recording information storage unit 107 and the storage unit 108 are realized by the memory 208.
- the input operation unit 109 is realized by the key operation unit 209, the remote control 211, and the remote control receiver 210.
- the video display section 110 is realized by a monitor / television 207.
- the components surrounded by the dotted line in FIG. 1 are realized by software. That is, the electronic program guide generating unit 102, the data broadcast presenting unit 103, the recording management unit 104, the system control unit 105, and the video synthesizing unit 106 include a memory 2. This is realized by executing a predetermined program stored in 08 in the CPU 204 as a central processing unit.
- the memory 208 includes, in addition to volatile memory used for work, nonvolatile memory for storing a postal code and the like to be described later.
- the signal demodulator 202 receives the digital modulation signal from the antenna 201 and demodulates it to generate a transport stream.
- the MPEG2 Transport Decoder 203 decodes the transport stream and converts the compressed image and audio data and program array based on the MPEG2 standard to MPEG-2.
- the information and the compressed data of the image and sound are supplied to the MPEG2 video decoder 205, and the program arrangement information is supplied to the CPU 204.
- the MPEG-2 transport port decoder 203 has been transmitted on that data channel. The data broadcast data is extracted and given to the CPU 204.
- the CPU 204 generates the program guide data and the data broadcast presentation data using the program arrangement information and the data broadcast data based on the instruction from the user, and converts them into the MPEG2 video decoder 2. 0 5 is given.
- the CPU 204 includes a signal demodulator 202 and an MPEG-2 transport decoder. 203 and MPEG2 video decoder 205 are controlled.
- the MPEG2 video decoder 205 decodes compressed data of images and sounds, and also obtains data obtained by the decoding, program guide data, and data broadcast presentation data. Using the data and, a display that shows the image to be displayed on the screen of the monitor // television 207 is generated. This display data is converted into an analog signal by the D / A converter 206 and then supplied to the monitor / television 207.
- FIG. 3 is a flowchart showing the operation of CPU 204 when a recording reservation is made using the recording / viewing support apparatus according to the present embodiment.
- the operation by the user can be performed by either the key operation unit 209 or the V-mouse 211.
- Data indicating the contents of work performed by the user (hereinafter referred to as “operation data”) is sent from the key operation unit 209 to the CPU 204 or to the remote control 211.
- the power is sent to the CPU 204 via the remote control receiver 210.
- CPU 204 When STB 200 is turned on, CPU 204 operates as follows
- step S1000 While observing the operation data from the key operation unit 209 and the remote control receiver 210 as a minister, it waits until a recording reservation is requested (step S1000). ).
- the CPU 204 acquires the program specifying information for specifying the program that the user wants to reserve for recording as the reservation information. sand That is, first, the program arrangement information included in the trans- port stream obtained from the received digitally-modulated signal is represented by M
- PEG 2 transport decoder 200 3 Receives the output, generates program guide data using PAT, PMT, etc. in the program sequence information, and converts it to MPEG 2 video decoder 205 Displaying the program table on the monitor / television 207 by sending it to the monitor // television 207 via the D / A converter 206 ( Step S102).
- Figure 6 shows a display example of this program guide. The user wants to make a recording reservation by operating the remote control 211 or the key operation unit 209 while looking at the display of such a program table. “Reserved program”).
- the CPU 204 receives operation data indicating the selection of the program desired to be reserved from the remote control receiver 210 or the key operation unit 209, and based on the operation data, Information for specifying the program desired to be reserved is obtained from the program arrangement information (step S103). In addition, display data is output to cause the monitor Z television 207 to perform a display for asking the user whether or not to set the recording reservation of the reservation desired number.
- the CPU 204 receives the data broadcast data from the MPEG-2 transport data n 'to each 203, and acquires the weather forecast information from the data broadcast data (STE). S104). Then, it is determined whether or not the acquired weather forecast information includes weather forecast information on the weather in the broadcast time zone of the program desired to be reserved (hereinafter referred to as “applicable weather forecast information”) (step S 106 ).
- the relevant weather forecast information is the weather at the point where the user receives a digital broadcast for recording reservation. In other words, it is for the weather in the area where the recording and viewing support device is installed, and in order to obtain such weather forecast information, the broadcast time zone of the program desired to be reserved is required. The region must be specified. The designation of this area can be made by giving a zip code. In the present embodiment, the postal code of the area where the recording and viewing support device according to the present embodiment is installed is
- step S106 If the result of determination in step S106 is that there is no corresponding weather forecast information, the CPU 204 outputs predetermined notification data to indicate that there is no corresponding weather forecast information. Is displayed on the monitor / television 207 (step S108). Specifically, the display as shown in Fig. 7 is performed by OSD (On Screen Display). After this display, go to step S114.
- OSD On Screen Display
- step S106 determines the broadcast time zone of the program desired to be reserved based on the corresponding weather forecast information. It is determined whether or not the weather of “time zone” and the level ⁇ ) is bad (step S110). To be more specific, the rainfall probability is extracted from the corresponding weather forecast information, and if the rainfall probability in the corresponding time zone is higher than a predetermined reference value, it is determined that the weather is bad and lower than the reference value. In this case, it is determined that the weather is not bad.
- a reference value if the probability of precipitation is higher than that, the reception condition becomes worse due to bad weather, and the image quality or sound quality of the program desired to be reserved is degraded. It can be considered that the program you want to reserve can be recorded or watched Select such a value. Specifically, this reference value can be selected as described below.
- reception threshold the appropriate reception level (hereinafter, the value of this reception level is referred to as “reception threshold”). For example, the value of the reception level corresponding to the limit of the error correction capability of the digital broadcast television receiver may be selected as the reception threshold.
- the probability of precipitation when the probability of precipitation is 50%, the probability of decrease in the reception level is 15 ° / 0 , which means that of the N samples, the probability of precipitation is 50%.
- the reception level of the (0.15 XM) of the M samples is lower than the reception threshold value. The size is small, and this is shown.
- the probability of precipitation when the probability of precipitation is 50%, the probability that the reception level is reduced to such an extent that it cannot withstand viewing is 15%. You.
- Set the reception level reduction probability threshold as the lower limit of the reception level reduction probability. Then, from the above correlation diagram, the precipitation probability associated with the reception level reduction probability threshold is calculated as a step.
- the reception level drop probability threshold is set to 40%, according to Figure 11, the precipitation probability, which is the reference value for the above determination, is 70%.
- the probability of precipitation at a certain point in time is higher than 70%, the reception level is reduced to such an extent that it cannot withstand viewing at that point due to bad weather, that is, bad weather As a result, it is determined that the received image quality is degraded and recording and viewing cannot be substantially performed.
- the relationship between the precipitation probability and the reception level decrease probability changes depending on the weather. Therefore, even if the same reception level decrease probability threshold is set, it depends on each region (for example, in mountainous areas).
- the value of the precipitation probability differs as the reference value for the above determination. Therefore, it is preferable that the criterion value for the above determination be selected in accordance with the area where the recording and viewing support apparatus according to the present embodiment is installed, that is, based on the collected data of the area. It is preferable that the selection be made based on the above-mentioned correlation diagram created from the above.
- the reference value of the above judgment corresponding to each area is to be broadcast by data broadcasting together with the postal code indicating the area, it is stored in memory 208.
- the reference value of the above determination for the area indicated by the received postal code is obtained. Reference value can be selected It will work. In this section, it was described that the reference value for the above judgment was selected in consideration of the dependence of the correlation diagram showing the relationship between the probability of precipitation and the probability of decrease in reception level depending on the region. It is also preferable to select the reference value for the above judgment in consideration of the seasonal dependence of the relationship chart.
- step S110 it is preferable to select the reference value for the above judgment based on the above-mentioned correlation diagram corresponding to each season when the weather condition greatly changes. If it is determined in step S110 that the weather in the relevant time zone is bad based on the reference value, the CPU 204 outputs predetermined notification data to output the corresponding notification data. Display on the monitor / TV207 that there is a possibility that the image or sound quality of the time zone may be degraded.
- step S 1 1 a display as shown in FIG. After this display, go to step S114. On the other hand, if it is determined in step S110 that the weather in the corresponding time zone is not bad, it is possible to display the possibility of deterioration in image quality or sound quality. Proceed directly to step S114.
- the display power S for inquiring the user whether or not to set the recording reservation of the program desired to be reserved is performed, and depending on 3 ⁇ 4 ⁇ , this display may be accompanied by the display power S.
- a message s is displayed indicating that there is no corresponding weather forecast information or that there is a possibility that the image quality or sound quality may be degraded (see FIGS. 7 and 8).
- the user sees such a display and determines whether or not to set the recording reservation for the program desired to be reserved, and performs an operation according to the determination on the remote control 2 1 1 or 2. Or, use the key operation section 209.
- the CPU 204 receives the operation data indicating the above operation, and determines whether or not the setting of the recording reservation has been instructed (step S114).
- the recording reservation is set.
- Information that is, information (recording management information) necessary for recording the program desired to be reserved is stored in the memory 208 (step S116).
- the CPU 204 subsequently uses the recording management information stored in the memory 208 to set the broadcast time of the program desired to be reserved.
- the STB 200 and VTR (not shown) are controlled so that the broadcast of the program is received and recorded.
- step S114 If it is determined in step S114 that the recording reservation setting has not been instructed, for example, it is likely that the image quality or sound quality may be degraded due to bad weather in the corresponding time zone.
- step S 10 When displayed and the user performs an operation to indicate that the recording reservation is not to be set (when “NO” is selected in the “display” in FIG. 8), step S 10 is performed. It returns to 0 and waits for the user to request recording reservation.
- a user selects a program to be reserved for recording, that is, a program desired to be reserved while watching the program display, the user may be in a bad weather condition during the broadcast time zone of the desired program. If there is a possibility that the image quality or sound quality may be degraded, this is displayed on the monitor / television 207 (provided that there is applicable weather forecast information). . In that case, the user must It is possible to judge that the program desired to be reserved cannot be substantially recorded due to the defect, and to instruct that the recording reservation is not made. Furthermore, in this case, the user can request the recording reservation again, display the program guide, and select a program in another time zone as the reservation desired program.
- the user can know the possibility of deterioration of image quality and sound quality due to poor weather in the broadcast time zone of the selected program desired to be reserved.
- a program in a broadcasting time zone in which there is no possibility that the image quality and sound quality will be degraded due to a defect it is possible to reliably record a program scheduled to be broadcast as a digital broadcast.
- FIG. 1 A block diagram showing the hardware configuration of this recording and viewing support apparatus is also the same as that of the first embodiment, and is as shown in FIG.
- the memory 208 stores a program partially different from that of the first embodiment, and the CPU 204 executes the program. Therefore, a function different from that of the first embodiment is also realized.
- FIG. 4 is a flowchart showing the operation of the CPU 204 when a recording reservation is made using the recording / viewing support apparatus according to the present embodiment.
- Step S 1 of this flowchart 0 to S114 are the same as the flowchart shown in FIG. 3, and the same reference numerals are assigned to the same steps in both the flowcharts. In the following, a description will be given focusing on the processing after step S114 in this embodiment.
- step S114 a message is displayed on the screen of the monitor Z TV207 asking the user whether or not to set the recording reservation of the program desired to be reserved. In some cases, it is displayed that there is no corresponding weather forecast information or that there is a possibility that the image quality or sound quality may be degraded (see FIGS. 7 and 8).
- the user sees such a display and determines whether or not to set the recording reservation of the desired program, and performs an operation according to the determination on the remote control 2 11 or the key operation unit 2. Do it at 09.
- the CPU 204 receives the operation data indicating this operation, and determines whether or not a recording reservation setting has been instructed.
- step S114 If it is determined in step S114 that the recording reservation setting has been instructed, the information (recording management information) necessary for recording the desired reservation program is recorded as in the first embodiment. It is stored in memory 208 (step S128). After the recording reservation is set in this way, the CPU 204 then uses the recording management information stored in the memory 208 to transmit the program at the broadcast time of the program desired to be reserved.
- the STB 200 and VTR (not shown) are controlled so as to receive and record the broadcast of the TV.
- step S114 the setting of the recording reservation is not instructed (instruction not to set the recording reservation). If it is determined that the program is different from the first embodiment, a program that has the same contents as the program desired to be reserved selected by the user and is scheduled to be broadcast at another time ( Hereafter referred to as “the same program at another time”).
- step S120 A search is performed using the program arrangement information given by the user (step S120). As a result of this search, if the same program cannot be found for another time, the process returns to step S100 (step S122) and a request for recording reservation from the user is made. You will be waiting.
- FIG. 9 shows a display example of information for specifying the recording reservation candidate.
- the broadcast date and broadcast time of the two candidates (“candidate 1" and "candidate 2") are displayed as information for identifying the recording reservation candidate. ing.
- step S124 a display for inquiring the user as to whether or not to set a recording reservation of a program which is a recording reservation candidate is also performed.
- a message is displayed to the effect that the user is required to input one of two candidate recording reservations, candidate 1 and candidate 2.
- the CP u 204 receives the operation data indicating the above operation, and determines whether or not the setting of the recording reservation has been instructed (step S 12 26).
- the information necessary for recording the program desired to be reserved which is the selected recording reservation candidate, is used as the recording management information as the memory. It is stored in 208 (step S128). After the recording reservation is set in this manner, the CPU 204 then uses the recording management information stored in the memory 208 to select the selected recording.
- the STB 200 and the VTR (not shown) are controlled so that the broadcast of the program to be reserved, which is a candidate for reservation, is received and recorded at the broadcast time.
- step S126 It returns to 0 and waits for a user's request for recording reservation.
- the present embodiment similar to the first embodiment, deterioration of image quality or sound quality due to bad weather during the broadcast time slot of the program desired to be reserved selected by the user. If there is a possibility, the message will be displayed on the monitor / television 207.
- the same program is searched for another time and if the same program is found for another time, According to the operation of the user, the recording reservation of the same program is set for another time.
- the recording reservation of the same program for another time is made. Set this As a result, it is possible to reliably and easily record a program to be broadcast as a digital broadcast.
- FIG. 1 See Figure 2
- a program slightly different from that of the third embodiment is stored in the memory 208, and the CPU 204 executes the program. Therefore, a function different from that of the third embodiment is also realized.
- FIG. 5 is a flowchart showing the operation of CPU 204 when a recording reservation is made using the recording / viewing support apparatus according to the present embodiment.
- the operation of the STB 200 in the present embodiment will be described with reference to this flowchart. Note that, among the steps in this flowchart, those that are the same as the steps in the flowchart shown in FIG. 4 are given the same reference numerals. .
- steps S102 to S102 are performed similarly to the second embodiment.
- S114 is executed.
- step S114 a screen for inquiring the user whether or not to set the recording reservation of the program desired to be reserved is displayed on the screen of the monitor Z television 207. And, in some cases, along with this indication, the corresponding weather forecast information. An indication that there is no information or an indication that image quality or sound quality may be degraded is displayed (see Figs. 7 and 8). The user sees such a display and determines whether or not to set the recording reservation of the program desired to be reserved, and performs an operation according to the determination on the remote control 211 or the key operation unit 2. Do it at 09.
- the CPU 204 receives the operation data indicating this operation, and determines whether or not the setting of the recording reservation has been instructed.
- Step S1208 the information necessary for recording the program desired to be reserved is stored in the memory 208 as in the second embodiment.
- step S114 when it is determined that the setting of the recording reservation has not been instructed (that is, it has been instructed not to set the recording reservation), similarly to the second embodiment, the same time for another time is used.
- Search for a program step S120.
- the process returns to step S100 (step S122), while if the same program is found for another time, The same program at the other time is regarded as a recording reservation candidate, and information for specifying the recording reservation candidate is displayed, for example, as shown in FIG. 9 (Step S124).
- step S130 When the user performs an operation for selecting a recording reservation candidate while watching the display of step S124, the CPU 204 receives the corresponding operation data, and the operation data is received. Based on the above, the selected recording reservation candidate is regarded as a reservation desired program (step S130). When a new reservation desired program is selected from the recording reservation candidates in this way, the process returns to step S104. Thereafter, steps S104 to S11 for this new program to be reserved.
- step S114 the user is inquired about whether to set a recording reservation of a new reservation desired program on the monitor / television 207 screen. Is displayed. Further, in some cases, a display as shown in FIG. 7 or FIG. 8 is performed together with this display. For example, if the relevant weather forecast information on the weather in the broadcast time zone of the new desired program is obtained, and it is determined that the weather in the broadcast time zone is worse than the predetermined standard, As shown in Fig. 8, a message is displayed indicating that image quality or sound quality may be degraded during the broadcast time zone.
- step S114 the CPU 204 receives the operation data indicating this operation, and determines whether or not the setting of the recording reservation has been instructed.
- Step S1208 the information necessary for recording the program desired to be reserved is stored in the memory 208 as described above.
- Step S128 the recording reservation is set.
- step S114 If it is determined in step S114 that recording reservation setting has not been instructed (that is, an instruction to set recording reservation has not been issued), it is determined that the program to be reserved is still selected.
- the same program is searched for no different time (step S120).
- step S124 step S122
- steps S124, S1 are performed while the setting of the recording reservation of the program desired to be reserved is not instructed and the same program for another time that has not yet been selected as the program desired to be reserved exists.
- steps 30 and S104 to S122 If there is no longer the same program for another time that has not yet been selected as the program to be reserved, return to step S100.
- deterioration of image quality or sound quality due to bad weather during the broadcast time of the program desired to be reserved selected by the user If the user instructs not to set the recording reservation when there is a possibility that the same program will be searched for another time, the same program will be searched for another time. , Recording reservation for the same program is set for another time. At this time, the selected program at the same time at another time is regarded as a new desired program, the relevant weather forecast information for the new desired program is obtained, and the program is determined based on the relevant weather forecast information. If there is a possibility that the image quality or sound quality may be degraded due to bad weather during the broadcast time slot of the new reservation desired program, that effect is displayed.
- the present embodiment According to the above, if there is a possibility that the image or sound quality may be degraded due to bad weather in the broadcast time slot of the program desired to be reserved, the same program at another time is searched for If there is a possibility that image quality or sound quality may be degraded due to bad weather during the broadcast time, a message to that effect is displayed. Therefore, when the user instructs the setting of the recording reservation in consideration of the display, it is possible to more reliably record the program scheduled to be broadcast as a digital broadcast.
- the recording and viewing support apparatus of each of the above embodiments is effective even when a certain program scheduled to be broadcast is recorded as a digital broadcast but is desired to be viewed. That is, whether the program can be viewed with good image quality and sound quality, or the program may not be practically viewed due to bad weather If you want to find out if there is no broadcast, or if the same program as the program is broadcast in a different time, The recording and viewing support apparatus of each of the above embodiments is also effective when it is desired to check whether or not the image can be viewed with good image and sound quality.
- the information is included in the corresponding weather forecast information in order to determine whether there is a possibility that the image quality or the sound quality may be deteriorated so that the program desired to be reserved cannot be substantially received.
- the reception level reduction probability corresponding to the precipitation probability is compared with the reception level reduction probability threshold, which is a preselected threshold. By doing so, it may be determined whether or not the weather in the broadcast time zone of the program desired to be reserved is bad.
- step S110 the probability of rainfall included in the corresponding weather forecast information is determined based on the reception level reduction probability associated with the correlation data. What is necessary is just to judge whether it is bad weather. That is, based on the correlation data stored in the memory 208, the reception level decrease probability corresponding to the precipitation probability included in the corresponding weather forecast information (hereinafter referred to as “relevant reception level decrease probability”) is obtained.
- the corresponding reception level reduction probability is compared with the reception level reduction probability threshold (step S110), and if the reception level reduction probability is higher than the reception level reduction probability threshold, it is determined that the weather is bad. And broadcast the program you want to reserve If there is a possibility that the image quality or sound quality may be degraded during the time zone, it should be displayed (step S112). For example, using the correlation data as shown in Fig.
- the reception level decrease probability threshold setting the reception level decrease probability threshold at 40%, if the precipitation probability included in the relevant weather forecast information is 60%, the corresponding reception Since the level decrease probability is 20% ( ⁇ 40%), it is not determined that the weather is bad. If the precipitation probability included in the corresponding weather forecast information is 80%, the corresponding reception level decrease probability is Since it is 75% (> 40%), it is determined that the weather is bad, and a message indicating that there is a possibility that the image quality or sound quality may be deteriorated is displayed.
- the above step S110 is deleted. Then, in the above step S112, the corresponding reception level decrease probability based on the correlation data is displayed as information indicating the possibility of deterioration of the image quality or sound quality of the program desired to be reserved. You can do it. In this case, for example, when the correlation data as shown in Fig. 11 is used, if the precipitation probability included in the corresponding weather forecast information is 70%, the corresponding reception level decrease probability is 40%. Therefore, in step S112, a message such as "The probability that the image is disturbed by the weather during the broadcast time is 40%" is displayed on the OSD.
- the correlation data to be stored in the memory 208 depends on each region (for example, mountainous areas). (Depending on the department or plain area). That is, precipitation probability and reception level Correlation data indicating the relationship with the drop probability is created for each region, and correlation data corresponding to the region where the recording / viewing support device according to the present embodiment is installed is calculated from the correlation data. It is preferable to select data and store it in memory 208.
- the regional dependence of the correlation data indicating the relationship between the precipitation probability and the reception level decrease probability is considered, but the seasonal dependence of the correlation data is also considered. Preferred.
- the above-mentioned correlation data corresponding to each season is stored in the memory 208 for each season in which the weather condition changes significantly.
- the correlation data is stored in the memory 208 in advance and described.
- the correlation data is broadcasted from a broadcasting station by data broadcasting.
- the correlation data may be extracted from the data broadcast data received by the recording and viewing support device and stored in the memory 208.
- memory 2 By extracting the correlation data corresponding to the area indicated by the postal code stored in 08 from the data broadcast data, the correlation data corresponding to the area where the video recording support device is installed is extracted. It is possible to store the same correlation data in the memory 208 '.
- whether the weather in the broadcast time zone of the program desired to be reserved is bad or not is determined based on the probability of precipitation included in the corresponding weather forecast information (FIGS. 3, 4, and 5). Alternatively, it may be determined whether or not the weather is bad based on other indicators included in the corresponding weather forecast information. No. For example, the laundry index included in the corresponding weather forecast information is compared with a predetermined reference value, and if the laundry index is lower than the reference value, it is determined that the weather is bad and the broadcast of the program desired to be reserved. A message indicating that there is a possibility of deterioration in image quality or sound quality may be displayed during the time period.
- correlation data indicating the relationship between the precipitation probability and the reception level decrease probability is stored in the memory 208, It may be determined whether or not the weather is bad, based on the reception level decrease probability associated with the laundry index included in the corresponding weather forecast information by the correlation data. That is, based on the correlation data indicating the relationship between the washing index and the reception level decrease probability, the reception level decrease probability corresponding to the washing index included in the corresponding weather forecast information, that is, the corresponding reception level decrease probability is obtained, and the corresponding reception level decrease is determined.
- the probability is compared with a predetermined reception level decrease probability threshold, and if the corresponding reception level decrease probability is higher than the reception level decrease probability threshold, it is determined that the weather is bad, and the program to be reserved is broadcast. It may be displayed that there is a possibility that the image quality or sound quality may be degraded during the time period.
- the weather forecast information is obtained from the data broadcast data in order to determine whether the weather in the broadcast time slot of the program desired to be reserved is bad (see FIGS. 3, 4, and 5).
- the weather forecast information may be obtained by other means.
- the STB 300 in the recording / viewing support apparatus has an internet interface section 220 for connecting to the Internet. If you need to prepare for it, you can access it via the Internet.
- the weather forecast information may be acquired, and based on an appropriate index such as the probability of precipitation included in the weather forecast information, it may be determined whether the weather in the broadcast time zone of the program desired to be reserved is bad.
- the setting of the recording reservation is made when there is a possibility that the image quality or the sound quality may be deteriorated due to bad weather during the broadcast time of the program desired to be reserved. If the user instructs not to do so, the same program will be searched for another time S (see step S120 in FIGS. 4 and 5), and the search range at this time will be changed.
- the digital broadcast need not be limited to programs scheduled to be broadcast. That is, if the receiving unit 101 of the recording and viewing support apparatus shown in FIG.
- EPG Electronic Program Guide
- EPG Electronic Program Guide
- the present invention is broadcast as digital broadcasting.
- a recording / viewing support device that supports recording or viewing of a program scheduled to be performed
- a digital broadcasting television receiver having a function as such a recording / viewing support device
Description
Claims
Priority Applications (2)
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US10/019,781 US7209632B2 (en) | 2000-05-10 | 2001-05-01 | Digital broadcast recording/viewing support apparatus |
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JP2000137065A JP4436535B2 (ja) | 2000-05-10 | 2000-05-10 | デジタル放送用録画視聴支援装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7823176B2 (en) * | 2002-01-22 | 2010-10-26 | Fujitsu Ten Limited | Digital broadcast receiver |
CN100414537C (zh) * | 2002-02-07 | 2008-08-27 | 三星电子株式会社 | 包含显示模式信息的信息存储介质、再现装置及其方法 |
Also Published As
Publication number | Publication date |
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US20030098929A1 (en) | 2003-05-29 |
EP1292130A1 (en) | 2003-03-12 |
US7209632B2 (en) | 2007-04-24 |
JP2001320639A (ja) | 2001-11-16 |
EP1292130A4 (en) | 2007-12-19 |
JP4436535B2 (ja) | 2010-03-24 |
CN1194534C (zh) | 2005-03-23 |
CN1372762A (zh) | 2002-10-02 |
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