JP2007300408A - Broadcast receiving apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a broadcast receiving apparatus which selects the most suitable channel list automatically and easily from a plurality of channel lists while a channel change operation is conducted. <P>SOLUTION: The apparatus is provided with: a memory which has registered the plural channel lists to list a channel information including a physical channel number, a remote controller key identifying number, and a series identifying number each receiving area; a system controller which conducts a tuning operation; and a multiplexer which acquires the remote controller key identifying number and the series identifying number of a broadcasting channel turned from an SI information. When a part of the channel information being turned at present does not match with the channel information of the channel lists prior to its moving, the system controller searches the broadcasting channel having the channel information where a physical channel of the channel information being turned at present matches with the series identifying number from other channel lists, and substitutes the channel list including the matched channel information for the one being used at present. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a broadcast receiving apparatus such as a television receiver and a terrestrial digital broadcast decoder, and in particular, broadcast reception that enables a desired channel to be easily and reliably selected from a large number of channel lists when the reception area is moved. Relates to the device.

  A conventional terrestrial digital broadcast receiver, particularly a portable receiver capable of moving a reception area, can register a number of frequently viewed channel lists (for example, the following patents) Reference 1).

  In order to enable easy or automatic selection of the channel list of the current reception area from the channel list, the position is detected based on a signal transmitted from the GPS (Global Positioning System) to the receiving device. Some devices include a GPS receiver and communication means such as the Internet, but these devices are expensive.

  In an inexpensive receiving device that does not include a GPS receiver and communication means such as the Internet, the user himself / herself operates the receiving device to select a list suitable for the current receiving area from among a plurality of registered channel lists. There is a need.

  FIG. 1 is a block diagram showing a configuration of a conventional broadcast receiving apparatus. A broadcast receiver shown in FIG. 1 includes an antenna 1 that receives a broadcast wave of a terrestrial broadcast, a demodulator 2 that performs digital demodulation processing on a broadcast signal received by the antenna 1, and a digital demodulation procedure by the demodulator 2. The decoding unit 3 that performs a decoding process on the signal that has been subjected to decoding and extracts a transport stream (TS), and extracts the digital data that is multiplexed in the transport stream that is extracted by the decoding unit 3 Thus, a demultiplexer (hereinafter referred to as DEMUX) 4 serving as an extracting means for outputting in accordance with the contents of the digital data, and the digital data extracted by the DEMUX 4 are respectively input, and an audio signal, a video signal, and a data signal Audio decoder 5, video decoder 6 and data decoder 7, respectively, A memory 8 that holds SI (Service Information) information included in the stream, a system controller 9 that controls each unit of the receiving device, an operation input unit 10 that receives an operation input from a user, and a system controller 9 And an OSD (On Screen Display) 11 for displaying the operation status on the screen based on the information received. The SI information is program arrangement information defined for the convenience of program selection, is defined by the Ordinance of the Ministry of Internal Affairs and Communications, and the content is defined as the ARIB standard.

  Next, the operation of the broadcast receiving apparatus according to the above configuration will be described. The demodulation unit 2 performs digital demodulation processing on the broadcast signal received from the antenna 1. The decoding unit 3 decodes the signal subjected to the digital demodulation processing by the demodulation unit 2 by performing deinterleaving processing, error correction processing, and the like, and extracts a transport stream. The DEMUX 4 extracts each TS packet based on the PID (packet identification number) described in the TS packet in the transport stream output from the decoding unit 3, and the digital data included in each TS packet is an audio signal. And whether the digital data belongs to the audio signal decoder 5 or the video decoder 7 for each digital data.

  The DEMUX 4 extracts various information such as a remote control key identification number and a sequence identification number from the SI information included in the transport stream and outputs the information to the system controller 9. Here, the remote control key identification number is an identification number for allocating a service broadcasted mainly by a broadcasting station to a one-touch key equipped on the remote control. The sequence identification number is a number indicating the main key station of the sequence to which the broadcast station belongs. This corresponds to the local carrier identification information assigned to predetermined 4 bits in the 16-bit service identification number assigned uniquely to the domestic service. The audio decoder 5, the video decoder 6, and the data decoder 7 generate an audio signal, a video signal, and a data signal by performing a decoding process on the digital data input from the DEMUX 4, respectively.

  The system controller 9 controls the operation of each unit by exchanging various signals with each unit of the broadcast receiving apparatus via a bus. The OSD 11 displays the operation status on the screen based on the information sent from the system controller 9.

  Further, the system controller 9 extracts information included in the SI information input from the DEMUX 4 and stores it in the memory 8. The operation input unit 10 is used by a user to perform various operations on the receiving apparatus, such as a reception start command and setting a reception channel.

  Next, a database constructed on the memory 8 will be described. The system controller 9 has a function of channel list registration means, searches all physical channels in the viewing area, and additionally registers the searched physical channels in the memory 8 of FIG. 1 as a channel list in that area.

  FIG. 2 is a diagram showing an example of a channel list registered in the memory 8 by the system controller 9. As shown in FIG. 2, the information of each channel registered in the list includes a 4-bit remote control key identification number, an 8-bit physical channel corresponding to the remote control key identification number, and 4 bits acquired from SI information. It consists of a series identification number. That is, the memory 8 includes a channel including a remote control key identification number, a physical channel number, and a sequence identification number indicating a key station to which the broadcast channel belongs, for each broadcast channel broadcast in one digital broadcast reception area. A plurality of channel lists in which information is listed are registered for each reception area.

  In this channel list, the values 0 and 15 that do not exist in the receivable channel are recorded as the physical channel and sequence identification number of the remote control channel that cannot be received. The channel list A to channel list H in FIG. 2 is a channel list that can be received from the area A to the area H, that is, registered by searching all physical channels from the area A to the area H.

  The user selects a desired channel by operating the operation input unit 10, and the system controller 9 sets the physical channel selected by the demodulator 2 according to the channel change flowchart shown in FIG. That is, a physical channel (hereinafter also referred to as CH) is set in the tuner by operating the operation input unit 10 (step S1), the reception status of the selected physical channel is determined (step S2), and reception is good. If (GOOD), a video signal and an audio signal are output (step S3). On the other hand, if reception is poor, a display indicating that reception is not possible is set in the OSD 11 (step S4).

  There is no problem when the channel list A of area A is received in area A, but when the channel list A of area A is moved from area A to area D, which is another area, and received. For example, even though the user originally intends to select the physical channel 23 and the sequence identification number 6 with the remote control key identification number 7, actually the physical channel 23 with the remote control key identification number 6 in the area D The sequence identification number 4 is received. This is a problem because the channel (identification number) is different, and the channel of the affiliated station different from the user's desire is selected.

Further, when the channel list A of area A is received from the area A to the area B, for example, the user originally selects the physical channel 23 and the sequence identification number 6 with the remote control key identification number 7. Even though the operation is intended, there is actually no channel that can be received by the physical channel 23 in the area B. Therefore, the OSD 11 displays the screen indicating that the reception is impossible according to the flow shown in FIG. (See step S4).
JP 2000-217042 A

  As described above, in the area movement, when a channel list that does not match the current reception area is continuously used as the current channel list, a channel different from the user's intention is set as described above. Therefore, the user cannot set a desired affiliated channel unless the channel list matching the current reception area is manually operated and changed.

  The present invention has been made in view of the above points, and provides a broadcast receiving apparatus capable of easily and automatically selecting a most suitable channel list from a plurality of channel lists when a user performs a channel change operation. For the purpose.

  In order to achieve the above object, a broadcast receiving apparatus according to the present invention includes a physical channel number, a remote control key identification number, and the broadcast channel for each broadcast channel broadcast in one digital broadcast reception area. This is information in which channel information including a sequence identification number indicating a key station of a sequence to which a broadcasting station to be broadcast is listed, and a channel list used for selecting each broadcasting channel is provided for each reception area. One of the registered storage means (8) and a plurality of channel lists stored in the storage means is set as a channel selection channel list, and each channel information included in the set channel list is set. Control means (9) for performing a channel selection operation to a broadcast channel corresponding to this one channel information using one of them, Channel selection channel information acquisition means (4) for acquiring the remote control key identification number and the sequence identification number of the selected broadcast channel from SI information included in the digital broadcast wave of the selected broadcast channel. The control means includes the remote control key identification number acquired by the channel selection channel information acquisition means, the sequence identification number, and the physical channel number of the currently selected broadcast channel during the channel selection operation, and the channel selection. The remote control key identification number of the channel information used for channel selection in the channel list, the sequence identification number and the physical channel number are compared (S17), and if they match, the channel selection operation is terminated as it is. (S18), if any of them does not match, each channel list included in the other channel list stored in the storage means With reference to the channel information, channel information in which each information of the sequence identification number acquired by the channel selection channel information acquisition unit and the physical channel number of the currently selected broadcast channel matches is detected (S19, S20). ) If there is channel information having sequence identification information that matches the sequence identification information of the channel information used for channel selection in the channel list including the detected channel information, this matched sequence It is a means for re-selecting a broadcasting channel having channel information including identification information (S22, S23).

  A broadcast receiving apparatus according to another invention includes a physical channel number, a remote control key identification number, and a broadcasting station that broadcasts the broadcast channel for each broadcast channel broadcast in one digital broadcast reception area. Storage means which is a list of channel information including a sequence identification number indicating a key station of a sequence, and a channel list used for selecting each broadcast channel is registered for each reception area. (8) and one of the plurality of channel lists stored in the storage means is set as a channel selection channel list, and one of the channel information included in the set channel list is used. The channel selection operation to the broadcasting channel corresponding to this one channel information is performed and the channel list changing operation is performed. Channel selection channel information for acquiring the remote control key identification number and the sequence identification number of the selected broadcast channel from the control means (9) and SI information included in the digital broadcast wave of the selected broadcast channel Acquisition means (4), and the control means starts the channel list changing operation after the channel selection operation, and the remote control key identification number, the sequence identification number and the current acquired by the channel selection channel information acquisition means The physical channel number of the selected broadcast channel is compared with the remote control key identification number of the channel information used for channel selection in the channel selection channel list, the sequence identification number, and the physical channel number (S17). ), If both match, the channel list changing operation is terminated as it is (S18), and either does not match. The channel identification number acquired by the channel selection channel information acquisition unit and the currently selected broadcast with reference to each channel information included in another channel list stored in the storage unit Channel information whose information matches the physical channel number of the channel is detected (S19, S20), and the channel list including the detected channel information is reset as a new channel selection channel list (S21). ) Means.

  Furthermore, a broadcast receiving apparatus according to another invention includes a physical channel number, a remote control key identification number, and a broadcast station that broadcasts the broadcast channel for each broadcast channel broadcast in one digital broadcast reception area. Storage means which is a list of channel information including a sequence identification number indicating a key station of a sequence, and a channel list used for selecting each broadcast channel is registered for each reception area. (8) and one of the plurality of channel lists stored in the storage means is set as a channel selection channel list, and one of the channel information included in the set channel list is used. The channel selection operation to the broadcasting channel corresponding to this one channel information is performed and the channel list changing operation is performed. And a channel selection channel for acquiring the remote control key identification number and the sequence identification number of the selected broadcast channel from SI information included in the digital broadcast wave of the selected broadcast channel. Information acquisition means (4), and the control means starts the channel list changing operation after the channel selection operation, and the remote control identification number, sequence identification number and current information acquired by the channel selection channel information acquisition means The physical channel number of the selected broadcast channel is compared with the remote control key identification number of the channel information used for channel selection in the channel selection channel list, the sequence identification number, and the physical channel number (S17). ), If both match, the channel list changing operation is terminated as it is (S18). The channel identification number acquired by the channel selection channel information acquisition unit and the currently selected broadcast channel with reference to each channel information included in another channel list stored in the storage unit Channel information in which each piece of information matches the physical channel number is detected (S19, S20), and the channel list including the detected channel information is reset as a new channel selection channel list (S21). In addition, if there is channel information having sequence identification information that matches the sequence identification information of the channel information used for channel selection in the newly selected channel selection channel list, the matched sequence It is a means for re-selecting a broadcast channel having identification information (S22, S23).

  According to the present invention, it is possible to automatically select a list that matches the current reception area and a desired affiliated station from a plurality of channel lists that are registered when the user performs a channel change operation.

  The broadcast receiving apparatus according to the embodiment of the present invention has the same configuration as that of the conventional example shown in FIG. 1, and the memory 8 shown in FIG. The system controller 9 registers a channel list A to a channel list H from a plurality of areas A to H where a physical channel and a sequence identification number corresponding to the remote control identification number are set.

  Using the channel list registration function, the system controller 9 searches all physical channels in the viewing area and registers the channel list in that area in the memory 8 as in the conventional example.

  That is, by the channel list registration function of the system controller 9, as shown in FIG. 2, the 4-bit remote control key identification number, the 8-bit physical channel corresponding to the remote control key identification number, and the 4-bit acquired from the SI information The information of each channel composed of the sequence identification number is registered as a channel list and is provided for each of the areas A to H.

  In this channel list, the values 0 and 15 that do not exist in the receivable channel are recorded as the physical channel and sequence identification number of the remote control channel that cannot be received. Channel list A to channel list H in FIG. 2 is a channel list that can be received from area A to area H, that is, a channel list that is registered by searching all physical channels from area A to area H.

  The broadcast receiving apparatus according to the embodiment of the present invention differs from the conventional example in that the channel change operation and the channel list setting operation of the system controller 9 when the user selects a desired channel by operating the operation input unit 10. Is different.

  FIG. 4 is a flowchart of the channel changing operation of the system controller 9 in the broadcast receiving apparatus according to the embodiment of the present invention. When the system controller 9 moves to an area different from the set channel list, the system controller 9 performs an operation for automatically setting the channel list in accordance with the channel change operation.

  The user selects a desired channel by operating the operation input unit 10, and the system controller 9 performs setting of the physical channel selected by the demodulating unit 2 and automatic change of the channel list according to the channel change flowchart shown in FIG. 4. Made.

  At this time, information such as the reception status of the channel selected by the user and the sequence identification number is acquired, and another channel list in which the sequence information of the broadcasting station matches and can be received is searched. If this exists, this channel list is newly recorded as a set channel list.

  Hereinafter, specific examples of channel change and channel list change will be described with reference to FIG. In FIG. 4 and the description thereof, a channel is represented as CH and a sequence identification number is represented as a sequence ID. In the CH change operation, the CH changed flag is initially set to 0 (step S11), but when the automatic change of the CH list and the set channel (reception channel) is completed (including when not changed), this CH changed The flag is set to 1, the determination process of the CH changed flag is finished, the CH changing operation is finished (step S12), and the video signal and audio signal of the selected channel are output (step S13). In step S12, the CH changed flag is changed from 0 to 1, but is shown as “0” in FIG. 4, and “1” as described below in steps S14 and subsequent steps constituting the contents of step S12. "Is set.

  Here, when the CH changed flag is 0 (step S12), the set CH information (physical CH, sequence ID) is recorded by setting the physical CH in the tuner by operating the operation input unit 10 ( Next, the current CH information is acquired and recorded from the selected physical CH stream (step S15), and the reception status of the selected physical CH is determined (step S16).

  If the channel is received in the CH list A in area A and the physical channel 23 and the sequence identification number 6 are selected with the remote control key identification number 7, for example, all the current CH information is CH information in the current CH list A. (Step S17), the CH changed flag is set to 1 (Step S18), and the CH is changed as in the conventional example, and there is no problem. Here, the current CH information is the CH information acquired from the stream of the currently selected physical CH as described above, and the current CH list is the CH list currently set for channel selection. .

  However, if the CH list of area A and area D is registered in the CH list and the mobile station is receiving the moving list from area A to area D in the CH list A of area A, for example, the user is supposed to Even if the operation of selecting the physical channel 23 and the sequence identification number 6 with the key identification number 7 is actually performed, the physical channel 23 and the sequence identification number 4 are actually received with the remote control key identification number 6 in the area D. become.

  Here, since the current CH information does not match the CH information of CH list A in area A (mismatch in step S17), a CH whose sequence ID matches the physical CH of the current CH is searched from another CH list. (Step S19). Then, it is determined whether there is a CH list having CH information whose sequence ID matches the physical CH of the current CH (step S20), and the CH list D of area D having the matched CH information is used for channel selection. Is set as the current CH list (step S21), and the CH with the same set sequence ID in the set CH information set and recorded by the operation input unit is in the reset current CH list. Is determined (step S22), and the CH information of the matched sequence ID is changed as the set CH information (step S23). In this case, the physical channel 14 and the sequence identification number 6 are set CH information with the remote control key identification number 7, and the channel is re-selected according to this information. Will be changed. Also, the channel list is automatically set to the channel list D of the area D that matches the current reception area D.

  When there is no CH list having CH information whose sequence ID matches the physical CH of the current CH in step S20, or when there is no CH information whose set sequence ID matches in step S22. Performs display setting that the area has been changed but there is no CH of the same series and reception is not possible (step S24, step S26), the CH changed flag is set to 1 and the process ends (step S25, step S27).

  Further, when the CH lists of area A and area B are registered in the CH list, and the mobile station is receiving data after moving from area A to area B in the area A list, for example, the user originally identifies the remote controller key. Even if we intend to select the physical channel 23 and the sequence identification number 6 with the number 7, there is actually no channel that can be received by the physical channel 23 in the area B. A search is made from another CH list (step S28).

  In this case, it is determined whether or not the CH information having the same set sequence ID exists in another CH list (step S29), and the CH information of the matched sequence ID is changed to the set CH information (step S30). In this case, the CH list in area B is updated as the current CH list, the physical channel 18 and the sequence identification number 6 are selected with the remote control key identification number 7, and the channel list is automatically changed to the channel of the station of the sequence selected by the user. Are automatically set in the channel list B of the area B that matches the current reception area B.

  In step S29, when CH information matching the set sequence ID does not exist in other CH lists, display setting is made to indicate that reception is impossible (step S31), and the CH changed flag is set to 1. The process ends (step S32).

  As described above, according to the embodiment of the present invention, when at least a part of channel information currently selected does not match the channel information of the channel list before movement, the physical information of the channel information currently selected A broadcast channel having channel information that matches channel and channel identification number is searched from another channel list, and the channel list that contains the matched channel information is changed to the channel list that is currently used, and the broadcast channel that has the matched channel information. Therefore, if the channel list of the movement destination of the receiving apparatus is already registered, the channel setting of the channel desired by the user and the change to the channel list of the movement destination are automatically performed.

  In addition, there is an effect that a channel list matching the current reception area and a desired affiliate station can be automatically selected from a plurality of channel lists registered when the channel change operation is performed.

  In the embodiment described above, an example is shown in which automatic channel selection to a channel with the same sequence identification number and resetting of the channel list are performed simultaneously. However, automatic channel selection to a channel with the same sequence identification number is performed. Or resetting the channel list, even in this case, a corresponding effect can be obtained for each user.

  The present invention includes a program for causing a computer to reproduce the functions of the apparatus described above. These programs may be read from a recording medium and loaded into a computer, or may be transmitted via a communication network and loaded into a computer.

It is a block diagram which shows the structure of the broadcast receiver in this invention and a prior art example. It is a figure which shows the example of the channel list in this invention and a prior art example. It is a flowchart of the channel change operation | movement of the system controller in the broadcast receiver which concerns on a prior art example. It is a flowchart of the channel change operation | movement of the system controller in the broadcast receiver which concerns on embodiment of this invention.

Explanation of symbols

1 Antenna 2 Demodulator 3 Decoder 4 Demultiplexer (DEMUX)
5 Audio Decoder 6 Video Decoder 7 Data Decoder 8 Memory 9 System Controller 10 Operation Input Unit 11 OSD (On Screen Display)

Claims (3)

Each channel includes a physical channel number, a remote control key identification number, and a sequence identification number indicating a key station of a sequence to which a broadcasting station that broadcasts the broadcast channel belongs, for each broadcast channel broadcast in one digital broadcast reception area. Storage means that is a list of channel information, and a channel list that is used to select each broadcast channel, one for each reception area,
One of the plurality of channel lists stored in the storage means is set as a channel selection channel list, and one of the channel information included in the set channel list is used to Control means for performing a channel selection operation to a broadcast channel corresponding to the channel information;
Channel selection channel information acquisition means for acquiring the remote control key identification number and the sequence identification number of the selected broadcast channel from SI information included in the digital broadcast wave of the selected broadcast channel,
Prepared,
The control means, during the channel selection operation, the remote control key identification number acquired by the channel selection channel information acquisition means, the sequence identification number, the physical channel number of the currently selected broadcast channel, and the channel selection channel The remote control key identification number of the channel information used for channel selection in the list, the sequence identification number, and the physical channel number are compared, and if they match, the channel selection operation is terminated as is. If not, the channel identification number acquired by the channel selection channel information acquisition unit is currently selected with reference to each channel information included in another channel list stored in the storage unit Channel information that matches each information with the physical channel number of the broadcast channel is detected, and this detected channel information If there is channel information having sequence identification information that matches the sequence identification information in the channel information used for channel selection in the included channel list, the broadcast having the channel information including the matched sequence identification information A broadcast receiving device that is means for re-selecting a channel. Each channel includes a physical channel number, a remote control key identification number, and a sequence identification number indicating a key station of a sequence to which a broadcasting station that broadcasts the broadcast channel belongs, for each broadcast channel broadcast in one digital broadcast reception area. Storage means that is a list of channel information, and a channel list that is used to select each broadcast channel, one for each reception area,
One of the plurality of channel lists stored in the storage means is set as a channel selection channel list, and one of the channel information included in the set channel list is used to A control means for performing a channel list changing operation as well as selecting a broadcast channel corresponding to the channel information;
Channel selection channel information acquisition means for acquiring the remote control key identification number and the sequence identification number of the selected broadcast channel from SI information included in the digital broadcast wave of the selected broadcast channel,
Prepared,
The control means starts the channel list changing operation after the channel selection operation, the remote control key identification number acquired by the channel selection channel information acquisition means, the sequence identification number and the currently selected broadcast channel The physical channel number is compared with the remote control key identification number of the channel information used for channel selection in the channel selection channel list, the sequence identification number, and the physical channel number. When the list change operation is finished and one of them does not match, each channel information included in the other channel list stored in the storage means is referred to and acquired by the channel selection channel information acquisition means. Each information of the sequence identification number and the physical channel number of the currently selected broadcast channel match. That detects the channel information, a channel list that includes the detected channel information has a means for resetting the channel list for the new selected broadcasting receiving apparatus. Each channel includes a physical channel number, a remote control key identification number, and a sequence identification number indicating a key station of a sequence to which a broadcasting station that broadcasts the broadcast channel belongs, for each broadcast channel broadcast in one digital broadcast reception area. Storage means that is a list of channel information, and a channel list that is used to select each broadcast channel, one for each reception area,
One of the plurality of channel lists stored in the storage means is set as a channel selection channel list, and one of the channel information included in the set channel list is used to A control means for performing a channel list changing operation as well as selecting a broadcast channel corresponding to the channel information;
Channel selection channel information acquisition means for acquiring the remote control key identification number and the sequence identification number of the selected broadcast channel from SI information included in the digital broadcast wave of the selected broadcast channel,
Prepared,
The control means starts the channel list changing operation after the channel selection operation, the remote control key identification number acquired by the channel selection channel information acquisition means, the sequence identification number and the currently selected broadcast channel The physical channel number is compared with the remote control key identification number of the channel information used for channel selection in the channel selection channel list, the sequence identification number, and the physical channel number. When the list change operation is finished and one of them does not match, each channel information included in the other channel list stored in the storage means is referred to and acquired by the channel selection channel information acquisition means. Each information of the sequence identification number and the physical channel number of the currently selected broadcast channel match. Channel information including the detected channel information is reset as a new channel selection channel list, and in the newly selected channel list for channel selection, Means for re-selecting a broadcast channel having channel information including the matched sequence identification information if channel information having sequence identification information that matches the sequence identification information of the channel information used for channel selection exists; Broadcast receiving device.

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