WO2006035812A1 - デジタル放送受信装置 - Google Patents
デジタル放送受信装置 Download PDFInfo
- Publication number
- WO2006035812A1 WO2006035812A1 PCT/JP2005/017841 JP2005017841W WO2006035812A1 WO 2006035812 A1 WO2006035812 A1 WO 2006035812A1 JP 2005017841 W JP2005017841 W JP 2005017841W WO 2006035812 A1 WO2006035812 A1 WO 2006035812A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reservation
- channel
- broadcast
- recording
- designated
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 127
- 238000002360 preparation method Methods 0.000 claims description 73
- 238000012545 processing Methods 0.000 claims description 49
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 101000911772 Homo sapiens Hsc70-interacting protein Proteins 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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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
- 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
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41422—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance located in transportation means, e.g. personal vehicle
-
- 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
-
- 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
-
- 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4383—Accessing a communication channel
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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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
-
- 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
- H04N5/781—Television signal recording using magnetic recording on disks or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
Definitions
- the present invention relates to a digital broadcast receiving apparatus.
- data broadcasting services are scheduled to be performed by assigning one of the 13 channel bands (6 segments) (one segment) to such small mobile terminals. is there.
- This data broadcasting service is called partial reception broadcasting.
- PSI Program Specific Information
- SI Service Information
- PSI Program Specific Information
- SI Service Information
- MPEG-2 TS which is an MPEG protocol
- a broadcast station multiplexes video, audio, other program information, and! /, Into a single stream.
- Transport Stream is used.
- the multiplexed stream is separated on the receiving side, and the data before multiplexing is acquired.
- the simple description of TS means all the data of partial reception broadcasts transmitted by the broadcast station.
- channel is also used in analog broadcasting, and is a physical frequency allocation channel (hereinafter referred to as “frequency channel”).
- frequency channel is a physical frequency allocation channel (hereinafter referred to as “frequency channel”).
- Frequency channels are assigned from 13ch to 62ch in terrestrial digital broadcasting.
- the logical channel is a logical channel for identifying a plurality of programs (hereinafter referred to as “service” t) in the frequency channel, and is called a service channel.
- service a logical channel for identifying a plurality of programs
- the frequency channel described above may be assigned to the number of a one-touch button of a remote controller or the like, and is simply indicated, and this number is called a remote control number.
- the main service called the primary service is selected from the multiple service channels included in one frequency channel.
- the number that is calculated from this remote control number and the value of the service channel, and the user directly specifies the service in the frequency channel is a three-digit number.
- Fig. 1 conceptually shows the definition of a channel.
- TS is composed of three services, PSI information, SI information, and program information.
- Service ID: D9AO (Primary Service) is a general broadcast
- Service ID: D9A1 is English. Broadcasting and service ID: D9 A2 shows data broadcasting, and shows how yarns 1A to F are broadcast by these services.
- the frequency channel is 21ch
- the remote control number is 8
- the 3-digit number is 681, 682, 683
- the service ID is D9AO, D9A1, D9A2.
- a stationary television recording apparatus can record a desired program by setting a remote control number, a recording start time, and a recording end time at the time of recording reservation.
- a portable TV recording device makes a recording reservation in one broadcast area and moves to another broadcast area by the start of recording, the remote control number and the recording will be recorded at the time of recording reservation. Even if the start time and the recording end time are set, the desired program may not be recorded.
- FIG. 2 is a block diagram showing a configuration of the portable television recording device 10 described in Patent Document 1.
- the current location of the portable television recording device 10 is detected by an expansion module 11 having a GP S (Global Positioning System) function.
- the portable TV recorder 10 has a communication unit
- the program information server 14 inquires the program information server 14 via the public line 13 from the program information server 14 that holds the program information of the area where the program is broadcast, the program ID, the channel number, the broadcast start time, and the broadcast time.
- the broadcast channel information at the current location and the broadcast time information are judged whether they are different from those at the time of reservation. If they are different, the reservation information is updated. If the reserved program is not broadcast at the current location, the reserved program is recorded by VTR15.
- Patent Document 1 Japanese Patent Laid-Open No. 2004-23111
- An object of the present invention is to increase the broadcast wave at the present location without using position information even when moving beyond the broadcast area! It is to provide a digital broadcast receiver that can be acquired with a certain probability.
- the digital broadcast receiving device of the present invention receives frequency broadcast channel selection means for receiving broadcast waves that can be viewed on a designated frequency channel when recording or viewing is reserved or prior to the start of reservation execution. And channel search means for obtaining a frequency channel of a viewable broadcast wave by performing a channel search if the broadcast wave that can be viewed on the frequency channel designated by the frequency channel tuning means cannot be received. Equipped with The structure to do is taken.
- the broadcast wave at the current location is high without using position information! It is possible to provide a digital broadcast receiver that can be acquired with a certain probability.
- Figure 1 A diagram conceptually showing the definition of a channel
- FIG. 2 is a block diagram showing a configuration of a portable television recording device described in Patent Document 1
- FIG. 3 is a block diagram showing a configuration of a portable television recording apparatus according to Embodiment 1 of the present invention.
- FIG. 4 is a block diagram showing the internal configuration of the control unit shown in FIG.
- FIG. 5 is a flowchart showing reservation processing of the portable television recording device shown in FIG.
- FIG.6 Flow chart showing the detailed procedure for reservation in the reception channel list shown in Fig.5
- FIG.11 Flow chart showing the procedure for preparing for broadcasting station reservation
- FIG. 12 Flow chart showing the procedure for affiliated station reservation preparation processing
- FIG. 13 Flow chart showing the procedure for remote control number reservation preparation processing
- FIG. 16 is a block diagram showing a configuration of a portable television recording apparatus according to Embodiment 2 of the present invention.
- FIG. 17 is a flowchart showing reservation processing of the portable TV recording device shown in FIG.
- the tuner unit 102 also designates the broadcast wave power received via the antenna 101 by the user.
- the frequency signal of the selected channel is extracted, and code demodulation processing of the extracted frequency signal is performed.
- the demodulated signal is output to the demultiplexing unit 103 and the control unit 111.
- Demultiplexing section 103 separates the signal output from tuner section 112 into video, audio, program information, etc., and outputs the separated information to control section 111.
- the input unit 104 includes a button key, a camera, a microphone, and the like, and the user inputs reservation information such as channel and program information to the control unit 111.
- the time information acquisition unit 105 measures the current time and notifies the control unit 111 of the measured current time.
- the reception channel list storage unit 106 detects a broadcast wave that can be received (viewed) and performs channel search that associates it with a remote control number to receive information on broadcast stations that can be received at the searched point and time. Record as a list.
- the reception channel list includes frequency channels, remote control numbers, broadcast station identifiers, affiliated station identifiers (affiliationjd), service channels, program identifiers, reception levels, keywords, and so on.
- the reservation information storage unit 107 stores the reservation information input from the input unit 104 via the control unit 111.
- Reservation information includes recording start time, recording end time, frequency channel, remote control number, broadcasting station identifier, affiliated station identifier, service channel, program identifier, keyword, etc.
- the reservation information storage unit 107 stores these information. Of these, at least record start time and record end time are stored.
- the recording processing unit 108 writes the video, audio, program information, etc. output from the demultiplexing unit 103 via the control unit 111 into the recording storage unit 109 which is a nonvolatile memory such as HDD, DVD, SD, etc. .
- the recording read processing unit 110 reads the recording data from the recording storage unit 109 and outputs the read recording data to the control unit 111.
- the control unit 111 controls each unit in the portable television recording device 100 to perform television reproduction, television recording, recording reproduction, recording reservation, and the like.
- the video processing unit 112 decodes the video stream output from the control unit 111 and encoded with H.264 or the like, and outputs the decoded signal to the display unit 113.
- the display unit 113 The image output from the processing unit 112 is displayed.
- the audio processing unit 114 decodes the audio stream output from the control unit 111 and encoded by AAC or the like, and outputs the decoded signal to the audio output unit 115.
- the audio output unit 115 voice The sound output from the processing unit 114 is output.
- the overall control unit 121 performs integrated management of the channel selection control unit 122, the recording control unit 126, and the reservation control unit 128. Specifically, when the channel selection control unit 122 is instructed to select a channel in the reception channel list, or an abnormality occurs such that the reception state of the broadcast wave is deteriorated during viewing, or the abnormality occurs. Switch to and instruct channel selection. Also, the recording control unit 126 is instructed to play or record. Furthermore, while the reservation information input from the input unit 104 is written to the reservation information storage unit 107 via the reservation control unit 128, the existence of a broadcasting station is confirmed by channel selection at the time of reservation and at the start of recording. Then, the channel search is performed according to the confirmation result, and the channel is written in the reception channel list storage unit 106 without being in the reception channel list.
- the channel selection control unit 122 receives an instruction from the overall control unit 121 and performs channel selection using a designated channel.
- the frequency channel tuning unit 123 is instructed to select the frequency channel
- the broadcast analysis unit 124 is instructed to analyze the broadcast wave
- the service channel tuning unit 125 is instructed to select the service channel.
- Channel selection is performed in 3 steps.
- a playback instruction for video, audio, etc. a playback request is sent to the stream control unit 127.
- the frequency channel selection unit 123 receives an instruction from the channel selection control unit 122, sets a frequency channel in the tuner unit 102, and if there is a receivable broadcast wave (TS) in the set frequency channel, the frequency channel selection unit 123 As channel selection succeeds, the TS is output from the tuner unit 102 to the demultiplexing unit 103 as it is. If there is no receivable broadcast wave (TS), it is determined that the frequency channel tuning has failed, and the channel selection control unit 122 is notified accordingly.
- TS receivable broadcast wave
- the broadcast analysis unit 124 receives an instruction from the channel selection control unit 122, sets the demultiplexing unit 103, and analyzes the data separated by the demultiplexing unit 103. Broadcast station information obtained by this analysis, TS service configuration, etc. are notified to the tuning control unit 122. In addition, the state of the tuner unit 102 is monitored, and when the portable television recording device 100 moves out of the service area, the channel selection control unit 122 is notified accordingly.
- the service channel channel selection unit 125 sets the demultiplexing unit 103 to extract a stream of video, audio, and the like of the designated service in the TS. At the same time, the demultiplexing unit 103 is set so that the stream extracted by the demultiplexing unit 103 is output to the stream control unit 127.
- the recording control unit 126 Upon receiving a recording instruction from the overall control unit 121, the recording control unit 126 sets the stream control unit 127 to which the stream is input so that the input stream is output to the recording processing unit 108. .
- the recording readout processing unit 110 is instructed to read out the recording data, and the read out recording data is output to the stream control unit 127.
- the recording data output from the readout processing unit 110 is set to be output to the video processing unit 112 and the audio processing unit 114.
- the stream control unit 127 is set so that the data recorded by the TS is separated by the demultiplexing unit 103.
- the stream control unit 127 records the stream output from the demultiplexing unit 103 or the recording data output from the recording read processing unit 110.
- the data are output to the processing unit 108, the video processing unit 112, and the audio processing unit 114, respectively.
- video and audio synchronization processing is also performed.
- a TS is output from the recording / reading processing unit 110
- the obtained TS is separated by the multiplexing / separating unit 103, and then the obtained stream is recorded into the recording processing unit 108, the video processing unit 112 and the video processing unit 112. Output to the audio processing unit 114.
- the reservation control unit 128 writes the reservation information output from the input unit 104 via the overall control unit 121 in the reservation information storage unit 107.
- the general control unit 121 is notified of the start of the reserved recording preparation process so that the recording is started at the recording start time stored in the reservation information storage unit 107.
- step (hereinafter abbreviated as “ST”) 131 reservation using the reception channel list stored in reception channel list storage unit 106 at the time of reservation (hereinafter referred to as “reservation in reception channel list”).
- the user determines whether or not to perform. If it is determined that the user makes a reservation in the reception channel list (YES), the process proceeds to ST132, and if it is determined not to make a reservation in the reception channel list (NO), the process proceeds to ST133.
- ST132 a reservation in the reception channel list is performed. The detailed procedure for receiving channel list reservation will be described later.
- a reservation (hereinafter referred to as “flexible reservation”) is performed when a reception channel list that is not stored in reception channel list storage section 106 is necessary at the time of reservation.
- the detailed procedure for flexible reservation will be described later.
- the reservation content of the flexible reservation in 3 is displayed on the display unit 113.
- ST135 the user is allowed to make a reservation with the reservation contents displayed in ST134 (reservation OK). If it is determined that the user can make a reservation (YES), the reservation is confirmed with the displayed reservation contents, and the reservation process is terminated. On the other hand, if it is determined not to make a reservation (NO), the process proceeds to ST136. In ST136, the reservation content is deleted and the reservation process is terminated.
- a channel that the user desires to reserve is specified from the input unit 104 by a remote control number or a three-digit number, and the control unit 111 receives a frequency channel and a service channel corresponding to the channel specified by the user from the reception channel list storage unit 106. Get from.
- the frequency channel selection unit 123 selects the frequency channel acquired in ST141, and in ST143, it is determined whether or not the designated broadcasting station has power. That is, if the channel selection control unit 122 succeeds in frequency channel selection in ST142, it is determined that there is a designated broadcast station (YES), and the process proceeds to ST144. If the channel selection fails, it is determined that there is no designated broadcast station (NO), and the process proceeds to ST150.
- ST 141 displays on channel 113 that the channel specified by the user is receivable.
- EIT Event Information Table
- SI information is an event information table in SI information
- the control unit 111 may display the program information acquired in ST145 on the display unit 113 simultaneously with a request to input the recording start time and the recording end time, and may specify the time by EPG.
- ST147 it is determined whether or not the program information within the time input by the user in ST146 can be acquired from the broadcast wave. If it is determined that there is program information (YES), the process proceeds to ST148. If it is determined that there is no program information (NO), the process proceeds to ST149.
- ST148 a program is designated and reserved, and the reservation in the reception channel list is terminated.
- ST149 the service channel is designated and reserved, and the reservation in the reception channel list is terminated.
- channel selection control unit 122 performs channel search to detect a channel that can be received at the current location, and overall control unit 121 newly , Create a channel list.
- channel selection control section 122 determines whether or not there is a channel that can be received based on the channel search result in ST150. If it is determined that there is no receivable channel, that is, it is determined that it is out of service area (NO), the process proceeds to ST152, and if it is determined that there is a receivable channel (YES), the process proceeds to ST153.
- overall control section 121 determines whether or not the channel list newly created in ST150 is already stored in reception channel list storage section 106 and included in the received information. If even one new channel is detected, it means that the current broadcast area is different from the broadcast area where the channel list was previously created. On the other hand, when the newly created channel list is all included in the previous channel list, it is determined that the channel specified by the user in ST141 is in a paused state or stopped. If the newly created channel list is memorized and it is judged as (NO) If it is determined that it is already stored (YES), the process proceeds to ST155.
- the user is requested to input a recording start time and a recording end time, and receives these times from the user.
- the user wants to reserve a channel in the existing channel list, but the portable TV recording device 100 is out of the service area or outside the broadcast area, or the broadcast of the desired channel is suspended. Program information cannot be acquired.
- the service channel is designated and reserved, and the reservation in the reception channel list is terminated.
- ST162 the user is requested to input a recording start time and a recording end time. The input of these time is received.
- ST163 it is determined whether or not the reservation method specified by the user in ST161 is a current location reservation. If it is determined that the current location reservation is (YES), the process proceeds to ST164 and is not a current location reservation. If it is determined as (NO), the process proceeds to ST167.
- “reserving the current location” means making a reservation from a list of channels that can be selected at this time.
- Channel search is performed in ST164, and the latest channel list is updated by channel search in ST165.
- ST166 the above-described reservation in the reception channel list is performed, and the flexible reservation is terminated.
- ST167 it is determined whether or not the reservation method designated by the user in ST161 is program reservation. If it is determined that the program is reserved (YES), the process proceeds to ST168 and is not program reservation ( If NO is determined, the process proceeds to ST170.
- Program reservation means that a user designates a program and makes a reservation.
- ST168 the user is requested to input a program to be reserved, and the program to be reserved is received from the user.
- the input program is designated and reserved, and the flexible reservation ends.
- ST170 it is determined whether or not the reservation method designated by the user in ST161 is a service reservation. If it is determined that the reservation method is a service reservation (YES), the process proceeds to ST171. If not (NO), move to ST173.
- Service reservation means that a user designates a service and makes a reservation.
- the user is requested to input a service to be reserved, and the service to be reserved is received from the user.
- the service is entered based on that information.
- the service list can also be obtained from the Internet or other devices. If there is no service list of broadcasting stations nationwide, specify the service from the list of existing reception channels.
- the input service is designated and reserved, and the flexible reservation is terminated.
- ST173 it is determined whether or not the reservation method for which user power is also specified in ST161 is the ability to make a broadcast station reservation. If it is determined that the reservation method is a broadcast station reservation (YES), the process proceeds to ST174 and the broadcast station reservation is made. If not (NO), move to ST176.
- Broadcast station reservation It is to designate a broadcasting station to be subscribed to and make a reservation with the primary service or TS of that broadcasting station. Whether to reserve the deviation of the primary service or TS is decided at the initial setting, or the user designates it when entering the broadcasting station reservation. Here, it is assumed that the primary service is specified.
- the user is requested to input a broadcasting station to be reserved, and receives an input of the broadcasting station to be reserved from the user.
- the terminal has a list of broadcasting stations nationwide, the broadcasting station is entered based on that information.
- the broadcast station list may be obtained from the Internet or other devices. If there is no national station list, enter the station from the list of existing reception channels.
- the input broadcasting station is designated and reserved, and the flexible reservation ends.
- ST176 it is determined whether or not the reservation method specified by the user in ST161 is affiliated station reservation. If it is determined that the affiliated station is reserved (YES), the process proceeds to ST177, and affiliated station reservation is made. If not (NO), move to ST179.
- a broadcasting station has a key station and a local station. When a local station belongs to a key station, it is called an affiliated station. The key station is assigned an identifier called affiliationjd that identifies the key stations, and the affiliated station sends the affiliationjd of the key station to which it belongs to the broadcast wave. Some local stations belong to multiple key stations, and such local stations send multiple affiliation jd in order of priority. There are also local stations that do not belong to any of the key stations.
- the affiliated station reservation is to designate an affiliated station to be reserved and make a reservation with the primary service or TS of the affiliated station.
- a program broadcast from 15:00 to 20:00 of Ding 3 can be recorded.
- the affiliated station specified at the start of recording does not exist, broadcasts from other broadcasting stations will be recorded.
- the affiliated station does not always broadcast the same program at the same time as the key station, so the user may not be able to record the desired broadcast.
- the user is requested to input an affiliated station to be reserved, and receives an input of an affiliated station to be reserved from the user.
- the specified affiliated station is designated and reserved, and the frame is set. End Kisible booking.
- Step179 it is determined whether or not the reservation method specified by the user in ST161 is remote control number reservation. If it is determined that the remote control number reservation is (YES), the process proceeds to ST180 and remote control number reservation is performed. If not (NO), the process proceeds to ST182.
- Remote control number reservation specifies the remote control number or 3-digit number to be reserved. When the remote control number is specified, the primary service is reserved. When the 3-digit number is specified, the corresponding broadcasting station If there is no specified service, the primary service or TS is reserved. Remote control number reservation is convenient for users who often move within the MFN because the remote control number and service number do not change when moving within the MFN (Multi Frequency Network) where the same broadcast is performed only with different frequency channels. is there. In addition, since the remote controller key number often uses the same number at affiliated stations, it is possible to improve the possibility of executing a reservation for a desired program even at the destination.
- MFN Multi Frequency Network
- the user is requested to input a remote control number to be reserved, and receives an input of a remote control number to be reserved from the user.
- the specified remote control number is designated and reserved, and the flexible reservation ends.
- the process proceeds to ST183 and is not a keyword number reservation. If it is determined as (NO), the process proceeds to ST185.
- the key reservation means that a keyword such as a program name or a genre is designated and a broadcast including the designated keyword is reserved. Any keyword can be used as long as it is included in EIT information and other PSI / SI information.
- the user is requested to input a keyword, and the keyword is input from the user.
- the priority order is also received.
- the program searched for with a keyword with a high priority is different from a program searched with a keyword with a low priority
- the program searched with a keyword with a high priority is reserved.
- the program that matches the input keyword is designated and reserved, and the flexible reservation ends.
- the primary service or the broadcasting station with the highest reception level at the start of recording is used. Makes a reservation by specifying TS, and ends the flexible reservation.
- Receiving state priority reservation means to reserve a channel in the most receiving state.
- the receiving state is described as the receiving level, but not limited to this, the field strength, bit error rate, packet error rate, etc. Good
- the portable television recording device 100 is activated a predetermined time before the start of reserved recording.
- the fixed time is preferably longer than the time required for channel search.
- the frequency channel and service channel are stored in the reservation information storage unit 107 as reservation information at the time of reservation processing. Therefore, channel selection is performed, PSIZSI information other than the channel information is acquired, and the reservation information table is stored. Complement.
- Determine whether or not. Whether or not the force is to be changed may be set in advance in the initial setting, and the initial setting may be confirmed, or the user may be notified to determine whether or not to change. If it is determined that the time information is corrected (YES), the process proceeds to ST195, and if it is determined not to be corrected (NO), the process proceeds to ST196.
- ST196 if there is a program corresponding to the reservation information specified in the reservation process, the user is notified of it. If there is no corresponding program, the user is notified of this. In addition, when the broadcast is out of service, the user is notified that it is out of service. Notification methods include character display, voice, and vibration.
- the user is requested to confirm whether or not the current reservation content is acceptable (reservation content is OK). The If the notified reservation details are acceptable (YES), the reservation preparation process is terminated. If the notified reservation details are not possible (NO), the process proceeds to ST198. If there is no input from the user for a certain period of time, the notified reservation details are sufficient, and the reservation preparation process ends.
- FIG. 9 is a flowchart showing the procedure of the program reservation preparation process.
- channel selection is performed using a service channel stored in the reservation information storage unit 107 as reservation information, and program information of the selected channel is acquired.
- ST2 12 determines whether the specified program starts at the specified time or based on the acquired program information. If it is determined to start (YES), the program reservation preparation is terminated and not started ( If NO is determined, the process proceeds to ST213.
- channel search is performed, and if a receivable channel is detected, PSIZSI information of that channel is acquired.
- PSIZSI information of that channel is acquired. The ability to acquire all PSIZSI information It does not matter whether you acquire some PSIZSI information.
- channel selection control section 122 determines whether or not there is a receivable channel based on the channel search result in ST213. If it is determined that there is no receivable channel, that is, it is out of service area (NO), the process proceeds to ST215, and if it is determined that there is a receivable channel (YES), the process proceeds to ST216.
- ST215 setting is made so that the program reservation preparation process is performed again after a fixed time or when a broadcast wave can be received by intermittent reception, and the program reservation preparation process ends.
- ST216 based on the PSIZSI information acquired in ST213, it is determined whether or not the program designated for another channel different from the designated channel is within a certain time from the designated time. If it is determined that the designated program is not in another channel (NO), the process proceeds to ST 217. If it is determined that the designated program is in another channel (YES), the process proceeds to ST 218.
- the specified time from the specified time is, for example, 24 hours from the recording start time or the recording end time.
- ST221 it is determined whether or not there is a service specified in the service channel selected in ST211. If it is determined that there is a specified service (YES), the service reservation preparation process is terminated, and if it is determined that there is no specified service (NO), the process proceeds to ST222.
- ST222 it is determined whether or not a channel search has already been performed! If it is determined to be YES (YES), the process proceeds to ST223, and if it is determined! /, NA! /, (NO), the process proceeds to ST213.
- ST223 based on the PSIZSI information acquired in ST213, it is determined whether or not the service specified for another channel different from the specified channel is within a certain time from the specified time. If it is determined that the specified service is in another channel (YES), the process proceeds to ST225. If it is determined that the specified service is not in another channel (NO), the process proceeds to ST224.
- ST224 broadcast station reservation preparation described later is performed !, and the service reservation preparation process ends.
- ST225 the reservation content is changed to a service of another channel different from the designated channel, and the service reservation preparation process is terminated.
- ST231 it is determined whether or not the specified broadcast station is in the frequency channel selected in ST211.
- the service channel is not specified at the time of reservation, so it is selected by frequency channel. If it is determined that there is a designated broadcast station (YES), the broadcast station reservation preparation process is terminated, and if it is determined that there is no designated broadcast station (NO), the process proceeds to ST222.
- ST232 based on the acquired PSlZSI information, it is determined whether or not the program specified for another broadcast station different from the specified broadcast station is within a specified time force within a specified time. If it is determined that the specified program is in another broadcast station (YES), the process proceeds to ST235, and if the specified program is not another broadcast station, the process proceeds to ST234.
- ST234 the affiliated station reservation preparation described later is performed !, and the broadcast station reservation preparation process ends.
- ST235 the reservation content is changed so as to be recorded by the primary service or TS of another broadcast station different from the designated broadcast station, and the broadcast station reservation preparation process is ended.
- ST 241 determines whether or not a channel search has already been performed. If it is determined that the channel search has been performed (Y ES), the process proceeds to ST245 and is performed! /, Na! /, ( If NO is determined, the process proceeds to ST242.
- the channel selection control unit determines whether or not there is a receivable channel based on the channel search result in ST242. If it is determined that there is a receivable channel (Y ES), the process proceeds to ST245, and if there is no receivable channel, that is, it is determined that the channel is out of service (NO), the process proceeds to ST244.
- ST245 it is determined whether there is a reserved affiliated station. If it is determined that there is a reserved affiliated station (YES), the process proceeds to ST247, and it is determined that there is no reserved affiliated station (NO). If so, move to ST 246. [0100] In ST246, remote controller number reservation preparation described later is performed, and the affiliated station reservation preparation process ends. On the other hand, in ST247, the frequency channel and service channel of the designated affiliated station are set as reservation information, and the affiliated station reservation preparation process ends. However, if TS recording is set in advance, only the frequency channel is set. affiliated stations may be affiliated with a plurality of key stations, and multiple affiliated stations may be detected that have a designated relationship with the broadcasting area. In such a case, a channel with higher priority of affiliated station information is set. If the priority is the same, set the channel with a high reception level.
- ST251 determines whether or not the PSIZSI information of the receivable channel includes the remote control number or 3-digit number specified during the reservation process. If it is determined that the remote control number or 3-digit number is included (YES), the process proceeds to ST253, and if it is included and V is determined to be (NO), the process proceeds to ST252.
- step252 keyword reservation preparation described later is performed, and the remote control number reservation preparation process ends.
- the remote control number or 3-digit number channel determined to be included in the PSIZSI information in ST251 is set in the reservation information. If there are multiple corresponding channels, set the channel with the high reception level.
- ST261 determines whether or not the PSIZSI information of the receivable channel includes the keyword specified during the reservation process. If it is determined that the keyword is included (Y ES), the process proceeds to ST263, and if it is determined that it is included and (NO), the process proceeds to ST262.
- reception state priority reservation preparation described later is performed !, and the keyword reservation preparation process ends.
- the program for which the keyword is determined to be included in the PSI / SI information in ST261 is set in the reservation information. If there are multiple applicable programs, set the program that includes the keyword with the highest priority. Also, if all match as a keyword, reserve a program with a close broadcast time or a program with a high reception level.
- reception state priority reservation preparation processing will be described with reference to FIG. However, parts in FIG. 15 common to FIG. 12 are given the same reference numerals as those in FIG. In ST271, channel search is performed and the process proceeds to ST243.
- reservation preparation processing when reservation preparation processing is performed, reservation preparation is performed by the reservation method specified at the time of reservation processing, and if the reservation preparation processing fails, ranking is performed.
- the broadcast area differs between the reservation time and the recording start time, and even if the reservation preparation process cannot be performed using the specified reservation method, The possibility of recording the specified program can be improved.
- the reservation method has been described with reference to current location reservation, program reservation, service reservation, broadcast station reservation, affiliated station reservation, remote control number reservation, keyword reservation, and reception state priority reservation.
- the present invention is not limited to this, and any of these reservation methods may be used.
- the reservation preparation process by the reservation method specified at the time of the reservation process fails, the reservation preparation process by the next reservation method among the ranked reservation methods is performed.
- the ranking of the reservation method may be changed according to the user's instruction or the like.
- the program information and the broadcast station information are described as being acquired from broadcast waves.
- the present invention is not limited to this, and is acquired via another network such as the Internet. May be.
- the primary service may be recorded, and TS recording may be performed!
- the broadcast area was changed with movement during start-up, channel selection, recording or viewing If the reception level deteriorates and it becomes difficult to receive broadcasts on the specified channel, or if the reservation preparation process using the specified reservation method fails, the next reservation among the ranked reservation methods Even if you use the method to make reservation preparation by method, you can automatically switch channels and continue recording or watching.
- FIG. 16 is a block diagram showing a configuration of portable television recording apparatus 300 according to Embodiment 2 of the present invention.
- the communication unit 301 receives the control from the control unit 111 and performs short-range wireless communication such as infrared rays and Bluetooth, or communication such as a wireless local area network (LAN) and LAN, and other mobile phones.
- a recording request is made to a type TV recording device or a stationary type TV recording device (hereinafter “external device”).
- ST311 requests the user whether or not to make a reservation request to the external device that is the same as the reservation content displayed in ST134, and when receiving a reservation request instruction from the user to the external device, the process proceeds to ST312. If the reservation request instruction is not received, the reservation of the portable TV recording apparatus 300 is confirmed with the displayed reservation content, and the reservation process is terminated.
- reservation preparation processing is performed based on the received channel list, and reservation information is complemented. This is because supplementary information is supplemented so that reservations can be made on external devices because flexible reservations cannot make reservations on general external devices that have less reservation information. Specifically, reservation information is created so that the reservation information becomes the contents of program reservation or service reservation.
- a recording reservation process and a reservation preparation process are performed.
- the present invention is not limited to this, the present invention is not limited to this.
- the present invention can also be implemented in the case of making a viewing reservation (television playback reservation). It describes that it performs.
- the portable television recording device has been described.
- the present invention is not limited to this, and a television recording device that can be mounted in an automobile or the like may be used.
- the first aspect of the present invention provides frequency channel channel selection means for receiving broadcast waves that can be viewed on a designated frequency channel when recording or viewing is reserved or prior to the start of reservation execution. And channel search means for performing channel search and obtaining a frequency channel of a viewable broadcast wave when the broadcast wave that can be viewed on the frequency channel specified by the frequency channel tuning means cannot be received. It is a digital broadcast receiver.
- the channel search means is configured such that the broadcast wave of the designated frequency channel is not a broadcast wave from a broadcast station in the previously selected frequency channel, the channel It is a digital broadcast receiver that searches for broadcast waves and service channels that can be viewed.
- the channel search means if the channel search means cannot receive a viewable broadcast wave, the channel search is performed at regular intervals until a viewable broadcast wave can be received. It is a digital broadcast receiving apparatus that is repeatedly performed.
- the broadcast station and the reservation execution start time and the reservation execution end time are designated, and the recording reservation is executed.
- a digital broadcast receiver that records all of the primary service or TS.
- the affiliated station when recording or viewing is reserved, the affiliated station is designated with the reservation execution start time and the reservation execution end time, and the designated affiliated station and the reservation execution are designated.
- This is a digital broadcast receiver that executes reservations at the start time and the reservation execution end time.
- the destination can be reserved with the desired program. Can improve the likelihood of executing.
- the remote control number, the reservation execution start time, and the reservation execution end time are specified, and the specified remote control number and It is a digital broadcast receiving apparatus that executes a reservation at a reservation execution start time and a reservation execution end time.
- remote control key assignment information for assigning a frequency channel to a remote control key is included in the broadcast wave, and the user moves because the remote control key number is assigned to the remote control number.
- the remote control number without recognizing the previous broadcast station name, for example, when moving within the MFN, it is possible to execute a reservation for a desired program.
- remote control key numbers often use the same number at affiliated stations, so that it is possible to improve the possibility of executing a reservation for a desired program even at the destination.
- a keyword, a reservation execution start time, and a reservation execution end time are designated, and a channel is executed prior to the start of the reservation execution.
- This is a digital broadcast receiving apparatus that acquires program information by a search, and executes a reservation at a program including a keyword specified in the acquired program information, a reservation execution start time, and a reservation execution end time.
- the designated key is set so that the user does not recognize the destination broadcast station or the like.
- a digital broadcast is obtained in which the broadcast wave is acquired by channel search performed prior to the start of reservation execution, and is received by a channel having the best reception state among the acquired broadcast waves. It is a receiving device.
- the channel search means is configured such that when the broadcast wave of the designated frequency channel is not the broadcast wave of the broadcast station power in the frequency channel when reserved, the channel search means This is a digital broadcast receiver that searches and acquires viewable broadcast waves and service channels.
- reservations can be made in the broadcast area of the destination.
- the channel search means if the channel search means cannot receive a viewable broadcast wave, the channel search is performed at regular intervals until a viewable broadcast wave can be received. It is a digital broadcast receiving apparatus that is repeatedly performed.
- a program that is already being broadcast or a fixed execution start time or a reservation execution end time is fixed.
- the program specified at the time of reservation is not always broadcast in the broadcast area of the destination, it is constant from the program that is already being broadcast, the reservation execution start time, or the reservation execution end time.
- the program is scheduled to be broadcast in time, and is specified when making a reservation By executing a reservation with a program that partially matches the contents, it is possible to execute a reservation with a program that has the specified program or a content that is close to the specified program.
- the determination result is notified to the user prior to the start of the reservation execution. It is a digital broadcast receiving apparatus.
- the user when the designated reservation content is changed in accordance with the broadcast area change, the user is notified that the reservation content has been changed prior to the start of the reservation execution.
- This is a digital broadcast receiving apparatus for notification.
- the user prior to the start of reservation execution, the user can recognize that the reservation cannot be executed with the designated content due to the change of the out-of-service area or the broadcast area, so that the user can take measures. it can.
- a digital broadcast receiving apparatus that transfers a reservation request including reservation contents to an external device having a recording function.
- reservation preparation is performed by a designated reservation method, and if the reservation preparation processing fails, the order is ranked.
- the digital broadcast receiving apparatus performs reservation preparation processing by a reservation method next to a designated reservation method.
- the designated reservation method is selected from the ranked reservation methods. By performing the reservation preparation process using the next reservation method, the possibility of recording the specified program can be improved.
- the digital broadcast receiving apparatus that works on the present invention, even when moving beyond the broadcast area, Acquiring a broadcast wave at the current location with high probability without using location information has an effect and can be applied to a small mobile terminal such as a mobile phone.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Circuits Of Receivers In General (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200580033179XA CN101032168B (zh) | 2004-09-30 | 2005-09-28 | 数字广播接收装置 |
EP05788401A EP1802123A4 (en) | 2004-09-30 | 2005-09-28 | DIGITAL BROADCAST RECEPTION DEVICE |
US11/576,188 US8094241B2 (en) | 2004-09-30 | 2005-09-28 | Digital broadcast reception device and related method to determine programs included in receivable programs |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-288389 | 2004-09-30 | ||
JP2004288389A JP4355272B2 (ja) | 2004-09-30 | 2004-09-30 | デジタル放送受信装置 |
Publications (1)
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WO2006035812A1 true WO2006035812A1 (ja) | 2006-04-06 |
Family
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Family Applications (1)
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PCT/JP2005/017841 WO2006035812A1 (ja) | 2004-09-30 | 2005-09-28 | デジタル放送受信装置 |
Country Status (5)
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US (1) | US8094241B2 (ja) |
EP (1) | EP1802123A4 (ja) |
JP (1) | JP4355272B2 (ja) |
CN (1) | CN101032168B (ja) |
WO (1) | WO2006035812A1 (ja) |
Cited By (1)
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US7904921B2 (en) | 2006-11-22 | 2011-03-08 | Lg Electronics Inc. | Method of processing broadcast signal associated with emergency alert system in terrestrial broadcasting and broadcast receiver for the same |
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KR100663447B1 (ko) * | 2005-10-24 | 2007-01-02 | 삼성전자주식회사 | 휴대 단말기의 디지털 방송 채널 정보 표시 방법 |
JP4049799B2 (ja) | 2006-04-26 | 2008-02-20 | 三菱電機株式会社 | デジタル放送受信装置及びその受信方法 |
JP2008098983A (ja) * | 2006-10-12 | 2008-04-24 | Access Co Ltd | 放送受信端末装置およびコンピュータプログラム |
US8842612B2 (en) * | 2007-06-20 | 2014-09-23 | Qualcomm Incorporated | Methods and apparatus for service acquisition in a multi-frequency network |
US20090122993A1 (en) * | 2007-11-09 | 2009-05-14 | U.S.A As Represented By The Administrator Of The National Aeronautics And Space Administrator | Information capturing method |
KR20100121697A (ko) * | 2008-04-17 | 2010-11-18 | 닛본 덴끼 가부시끼가이샤 | 녹화 재생 장치, 그 동작 방법, 및 영상 배신 시스템 |
KR20100062466A (ko) * | 2008-12-02 | 2010-06-10 | 삼성전자주식회사 | 동시대기 단말 및 그의 모바일 방송 재생 방법 |
WO2010110296A1 (ja) * | 2009-03-27 | 2010-09-30 | ソニー株式会社 | 送信装置および送信方法、受信装置および受信方法、並びにプログラム |
KR20110105951A (ko) * | 2010-03-22 | 2011-09-28 | 삼성전자주식회사 | 모바일 디지털 방송 시스템에서 경보 서비스 제공 방법 및 장치 |
KR20130015658A (ko) * | 2011-08-04 | 2013-02-14 | 삼성전자주식회사 | 3d영상의 방송정보를 표시하는 디스플레이장치 및 그 표시방법 |
CN105960766A (zh) * | 2014-02-04 | 2016-09-21 | 紧急警告系统有限公司 | 信息通信系统 |
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Also Published As
Publication number | Publication date |
---|---|
CN101032168B (zh) | 2010-05-05 |
JP2006108737A (ja) | 2006-04-20 |
US8094241B2 (en) | 2012-01-10 |
US20070242783A1 (en) | 2007-10-18 |
EP1802123A1 (en) | 2007-06-27 |
CN101032168A (zh) | 2007-09-05 |
EP1802123A4 (en) | 2011-04-27 |
JP4355272B2 (ja) | 2009-10-28 |
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