JP2001238207A - Information processing apparatus and method, and recoding medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information processing apparatus that can seamlessly switch satellites. SOLUTION: In the presence of two satellites, first acquisition of a service list is tried from one satellite. Then the acquisition of a service list is tried from other satellite similarly independently of the result of acquisition of the service list. As a result, when the service lists can be acquired from the two satellites, seamless-on is set and when the service list is acquired from either of the satellites only, seamless-off is set. By repeating the processing above, seamless-on or seamless-off is dynamically switched.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing apparatus, method, and recording medium, and more particularly to an information processing apparatus, method, and recording medium suitable for use in an apparatus for seamlessly switching satellites.

[0002]

2. Description of the Related Art CS (Comm) for receiving services of two satellites
In the case of a digital tuner, when a channel is switched from a channel set to one satellite to a channel set to the other satellite, the satellite must be switched first. This satellite switching has been performed by the user operating a remote controller attached to the tuner or a satellite switching button on the tuner body.

[0003] However, such a method has a problem that the user cannot be tuned seamlessly because the user must be aware of the satellite switching at the time of tuning.

In order to realize seamless channel selection, a service list is required to refer to a channel number between both satellites. Therefore, it is necessary to acquire a service list from each satellite immediately after the tuner's AC power is turned on or immediately after setting the satellite reception state. Therefore, when the tuner's AC power is turned on,
Alternatively, a tuner that acquires a service list at the time of completion of satellite reception setting and executes seamless channel selection has been commercialized.

[0005]

The above-mentioned tuner has the following features.
When the AC power is turned on or when the reception of the satellite is set, for some reason, for example, only one satellite has an antenna, the reception condition of the satellite is poor, the antenna cable is disconnected, etc. Even if the list is not acquired, seamless tuning is performed as it is.

Therefore, if a channel is selected in ascending or descending order, an attempt is made to select a channel of a satellite for which a service list has not been obtained, and an error message indicating that the channel cannot be selected each time is displayed. Will be done. When such a situation occurs, it is necessary for the user himself to execute processing such as turning off seamless channel selection and skipping a program that could not be received every time.

The present invention has been made in view of such circumstances, and determines whether or not seamless channel selection is possible. If seamless channel selection is possible, seamless channel selection is performed. , By preventing seamless channel selection when seamless channel selection is not possible,
An object is to provide a user-friendly device.

[0008]

According to the first aspect of the present invention, there is provided an information processing apparatus which selects one network from a plurality of networks, and a connecting means for connecting to the network, and a predetermined means for connecting to the network by the connecting means. Acquisition means for acquiring the information of the predetermined information, and setting means for setting, when predetermined information is obtained from two or more networks, a connection with a network corresponding to the obtained predetermined information to be switchable. It is characterized by.

When the connection means cannot connect to the first network to be connected within a predetermined time,
A connection with the second network is started, and when the obtaining unit cannot obtain predetermined information from the connected third network within a predetermined time, the obtaining unit starts the connection with the fourth network. Can be

[0010] The network may include a broadcasting satellite, and the predetermined information may include a channel number.

According to a fourth aspect of the present invention, in the information processing method, a connection control step of controlling selection and connection of one of a plurality of networks, and a predetermined connection when a connection to the network is established in the processing of the connection control step. An obtaining step of obtaining information; and a setting step of, when predetermined information is obtained from two or more networks, setting a connection with a network corresponding to the obtained predetermined information to a switchable state. Features.

According to a fifth aspect of the present invention, there is provided a program for recording on a recording medium, wherein a connection control step for controlling selection and connection of one of a plurality of networks, And a setting step of, when predetermined information is obtained from two or more networks, setting a connection with a network corresponding to the obtained predetermined information to a switchable state. It is characterized by.

[0013] The information processing apparatus according to claim 1,
In the information processing method according to the above, and one of the plurality of networks, one network is selected and connected, predetermined information is obtained, and the predetermined information is obtained from two or more networks. Is acquired, the connection with the network corresponding to the acquired predetermined information is set to be switchable.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an IRD (Integrated Receiver Decode) as an information processing apparatus according to the present invention.
1 is a diagram illustrating a configuration of an embodiment of an information processing system including r). The IRD 1 receives signals from a plurality of broadcast satellites (networks), performs predetermined processing, and supplies the received signals to the television receiver 2. The television receiver 2 reproduces images and sounds based on the supplied signals. The remote controller 3 is used when operating the IRD 1 and the television receiver 2.

FIG. 2 is a diagram showing a configuration of an embodiment of the IRD 1 to which the present invention is applied. The RF broadcast signal received by the antenna 11 of the IRD 1 is input to the tuner 12,
A signal in a predetermined transmission frequency band is selected and supplied to the demodulator 13. The demodulator 13 converts the input selected reception signal to A
/ D (Analog / Digital) conversion and digital modulation processing on the transmission side, for example, QAM (Quadrature Amplitud)
e Modulation) and QPSK (Quadrature Phase Shift Keyin)
g) and demodulate the signal.

The signal demodulated by the demodulator 13 is supplied to an error correction decoder 14. Error correction decoder 14
Is used to decode convolutional encoding such as Viterbi decoding and RS (Reed-Solomon) encoded signals on the transmission side.
The decoded output is supplied to the descrambler 15.
The descrambler 15 descrambles the scrambled video or audio signal of the program specified from the decoded signal based on the scramble key. The descrambled decoded signal (transport stream)
Is supplied to the transport processor 16.

The transport processor 16 selects a predetermined service from a plurality of services (broadcast programs) that have been multiplexed in a transport format on the transmission side, and the video constituting the service is selected. And demultiplexing of the decoded signal from the descrambled decoded signal, depacketizing the signal, and returning to the respective compressed signals. The video signal is MPEG (Moving Picture Experts Group).
p) The audio signal is output to the video decoder 17 and output to the MPEG / AC3 audio decoder 18, respectively.

The MPEG video decoder 17 decodes a signal encoded by the MPEG2 video efficient coding system while accumulating the decoded video frame in the SDRAM 19, and performs Y, C
b, Cr digital component signals are NTSC (Nati
onal Television System Committee) and PAL (Phase-A
The signal is converted into an analog composite signal by an encoder 20 that performs encoding according to a broadcasting system such as an lternation line system, and is output to the television receiver 2.

Similarly, audio is also compressed and decoded by the MPEG / AC3 audio decoder 18, converted to an analog audio signal by the audio D / A converter 21, and output to the television receiver 2.

The IRD 1 is provided with a host processor 22, a DRAM 23, and a ROM 24 (a non-volatile memory such as an EEP-ROM) for appropriately controlling the above-mentioned signals. The host processor 22 is, for example, an IR
A sub-MPU (Micro Processing Unit) 2 for supporting input of the remote controller 3 of D1 by peripheral devices
5 and a smart card interface 26, for example, a CA (Condit) mounted on an IC card (smart card) via the smart card interface 26.
ional Access) The execution process of the descrambler 15 and the transport processor 16 is controlled based on various data necessary for the system process and the descrambling process.

In addition to these, the host processor 22
The control of the demultiplexing process of a predetermined program is executed. Also RO
M24 stores processing program codes necessary for the host processor 22 to perform various controls.
The IRD 1 is also provided with a drive 27, from various recording media,
It can read and write programs. Further, a communication unit 28 that receives an instruction from the remote controller 3 by infrared rays or the like is also provided.

FIG. 3 is a diagram showing a configuration example of the external appearance of the remote controller 3. Numeric buttons 41 are 1 to 12
The button is used for inputting a channel number. The number input by operating the number buttons 41 is displayed on the display unit 42. The user operates the determination button 43 when the number displayed on the display unit 42 is a desired number. By operating the determination button 43, data relating to the channel number designated by the user is transmitted to the IRD 1 or the television receiver 2.

The channel number is set in the channel selection button 4
The channel number can be changed in ascending order by operating the + mark button, and the channel number can be changed in descending order by operating the-mark button. Can be. The remote controller 3 is also provided with a volume control button 45 for controlling the volume.

The list button 46 is operated when a list of channel numbers is to be displayed. When the list button 46 is operated and the signal is received by the IRD 1, the IRD
By 1, data of a list of channels is generated and displayed on the television receiver 2. In view of the display, the user operates the cursor movement button 47, moves the cursor to a desired channel number, and moves the cursor to the position of the desired channel number, and then operates the determination button 43. Can select that channel.

A process when a user selects a desired channel using such an IRD 1 will be described. Here, a case will be described where there are two broadcast satellites, a service list including channel information and the like is acquired from each satellite, and a channel is selected based on the list.

First, the operation of the IRD 1 when the IRD 1 acquires a service list from each broadcasting satellite will be described with reference to the flowchart of FIG. The flowchart of FIG. 4 is a process executed when the AC power supply of the IRD 1 is turned on or when the antenna 11 is adjusted so that the transmission signal from the broadcasting satellite is received well. In step S1, the host processor 22 sets 2
A request is issued to one of the broadcasting satellites (hereinafter, abbreviated as a satellite) to obtain a service list of the satellite. When the acquisition request is issued, in step S2, a state of waiting for acquisition of the service list is established.

In step S2, the system is in a state of waiting for acquisition of a service list, and at the same time, a built-in timer (not shown) is activated and 3 seconds are counted. Here, three seconds is used, but another number of seconds may be used. In step S3, it is determined whether the acquisition of the service list is completed within three seconds. If it is determined in step S3 that the service list has been acquired within 3 seconds, the process proceeds to step S4, and a satellite switching request is issued. As processing for the request, step S
At 5, the process is in a state of waiting for processing for satellite switching. Then, in step S6, it is determined whether the switching is completed within three seconds.

If it is determined in step S6 that the satellite switching has been completed within three seconds, the process proceeds to step S7, where a service list request is issued to the satellite whose switching has been completed. The processing of steps S7 to S9 is
Since the processing is similar to the processing of steps S1 to S3,
The description is omitted. If it is determined in step S9 that the service list has been acquired within three seconds, the process proceeds to step S10, where seamless is set to ON.

The process of step S10 is when the service list has been obtained from the two satellites. In such a case, the seamless on state (the IRD 1 itself does not operate the buttons or the like without the user operating the buttons or the like). (A state in which the satellites are switched).

On the other hand, if it is determined in step S3 that the service list could not be obtained from one satellite within 3 seconds, a satellite switching request is issued in step S11 to obtain the service list from the other satellite. Is issued. The processing of steps S11 to S16
Since the processing is basically the same as the processing in steps S4 to S9, the description thereof is omitted. However, if it is determined in step S13 that the satellite switching has not been completed within 3 seconds, or if it is determined in step S16 that the service list has not been obtained within 3 seconds from the switched satellite, Proceed to step S18.

If the process arrives at step S18, it means that the service list could not be obtained from either of the two satellites. In such a situation, what channel was set to either satellite. Since there is no information as to whether or not the program has been executed, the program cannot be provided to the user. Thus, error processing is performed in step S18. As the error processing, for example, when it is determined that the signal from the satellite cannot be received because the direction of the antenna 11 is bad, a message indicating that the direction of the antenna 11 should be reset is displayed. Returning to the processing in step S1, the subsequent processing is repeated to acquire at least one service list.

On the other hand, if it is determined in step S16 that the service list has been acquired within three seconds from the satellite that has switched, the process proceeds to step S17, and seamless is turned off. Also, in step S6, when it is determined that the satellite switching is not completed within 3 seconds, or in step S9, the service list can be obtained from one satellite, but the service list cannot be obtained from the other satellite. When it is determined that the service list could not be obtained, the process proceeds to step S17, and seamless is set to off.

In step S17, the seamless state is turned off when the service list can be obtained from at least one of the two satellites. In such a case, the seamlessly switched satellite is used. Since there is no (there is no satellite that can be switched due to the influence of the reception state, etc.), seamless is set to off.

As described above, when the AC power is turned on or the reception setting is performed, a process for acquiring a service list from each satellite is performed, and as a result, whether seamless is turned on or not is determined. In the state where seamless is turned on, it is possible to execute satellite switching without a user's instruction, and in the state where seamless is turned off, satellite switching is performed. It is possible to make it not.

It should be noted that the seamless on or off can be realized by setting a flag to be set when it is on.

In the above description, the processing when the AC power is turned on or the reception setting is performed has been described. However, in these cases, the processing is not always performed. This is a process performed when the camera is installed at a desired position. Normally, even when the IRD 1 is turned off, only the display of the screen and the output of the audio is stopped unless the supply of the AC power is stopped, and the transport processor 16 and the like continue to operate. This is so that rewriting can be performed when predetermined information that is repeatedly multiplex broadcast is updated.

Therefore, it is assumed that the AC power supply is normally turned on once and then kept on. However, after AC power is turned on, it is assumed that seamless must be turned on or off due to a change in the reception state of the satellite, etc. Unless the AC power is turned off, the reception must be reset again. Unless is performed, it is assumed that usability will deteriorate if the seamless state once set does not change.

Therefore, in the present embodiment, even when the power is turned off, in other words, when the AC power is not turned off, but the display of images and sounds is stopped, A determination is made whether to turn seamless on or off. The state in which the display of images and sounds is stopped includes a standby state and a menu screen display state. In the standby state, the seamless ON or OFF state can be constantly monitored and switched by repeatedly executing the processing of the flowchart shown in FIG.

In the state where the menu screen is displayed, the connection is switched from the currently connected satellite (referred to as satellite A) to another satellite (referred to as satellite B) in order to obtain a service list. In that case, it is necessary to return the connection to the original satellite A. The operation of the IRD 1 in such a state will be described with reference to the flowchart in FIG.

The processing of steps S21 to S23 is the same as that of FIG.
Is basically the same as the processing of steps S4 to S6 in the flowchart shown in FIG. 7, but in this case, the service list is acquired from the satellite A currently connected, and the service list of the satellite A is used. Is connected to satellite B which is not currently connected. Even if you get the service list of satellite B,
Such a process is provided because it is assumed that it may not be possible to connect to the server. If it is determined in step S23 that the connection has been made within three seconds, the process proceeds to step S24, and a request for acquiring a service list is issued. On the other hand, if it is determined in step S23 that the connection has not been made within 3 seconds (the connection could not be made), the process proceeds to step S34, and the seamless state is set (maintained) to the OFF state. That is, the connection with the satellite A is maintained,
The processing is executed using only the service list of the satellite A that has already been acquired.

The processing in steps S24 to S26 is the same as that in FIG.
Is basically the same as the processing of steps S7 to S9 in the flowchart of FIG. 7. In this case, if it is determined in step S26 that the service list has been obtained from the connected satellite B within 3 seconds, the process proceeds to step S27. A request to switch satellites is issued to return the connection to the original satellite A. The processing in steps S27 to S29 is the same as the processing in steps S21 to S23, and a description thereof will be omitted.

If it is determined in step S29 that the switching of the connection to the satellite A has been completed within three seconds, the process proceeds to step S30, where seamless is set to the ON state. When the process of step S30 is reached, it indicates a case where the service lists of both the satellite A and the satellite B have been obtained, and in such a case, seamless is turned on.

On the other hand, if it is determined in step S26 that the service list could not be obtained from the connected satellite B within 3 seconds, it is necessary to return the connection to the satellite A. A switch request is issued. The processing in steps S31 to S33 is the same as the processing in steps S21 to S22, and a description thereof will be omitted. If it is determined in step S33 that the connection switching to the satellite A has been completed within 3 seconds, the process proceeds to step S34, and seamless is set to off. In other words, the state before starting the processing of the flowchart shown in FIG. 5 is maintained.

On the other hand, if it is determined in step S33 that the switching of the connection to the satellite A has not been completed within 3 seconds, the process proceeds to step S35, and error processing is executed. As a state in which the error processing is executed, a service list cannot be obtained from the satellite B, and a connection state with the satellite A cannot be recovered. Therefore, as the error processing, for example, the service list is acquired again from the satellite B (return to step S24 and the subsequent processing is repeated), and the processing is performed again so as to restore the connection with the satellite A. (Return to step S31 and repeat the subsequent processing).

As described above, in the state where the AC power is supplied, the connection state with the satellite is always monitored and the service list is obtained, thereby dynamically
Seamless can be set on or off.

Next, the operation of the IRD 1 when the user selects a desired channel in the IRD 1 for setting the seamless on or off as described above will be described. When the user selects the desired channel, mainly
When instructing by directly entering a channel number (when operating the number buttons 41 (FIG. 3) to indicate a channel number) and when instructing by changing the channel number in ascending or descending order (channel selection button 44 is operated to indicate the channel number).

First, the case where the user directly inputs a channel number and gives an instruction will be described with reference to the flowchart of FIG. The user operates the number selection button 41 of the remote controller as shown in FIG.
Is operated, the data of the channel number is transmitted to the IRD 1. In the IRD 1, in step S41, it is determined whether or not the channel number designated by the user exists in the currently connected satellite (referred to as satellite A). Judge. The process in step S41 refers to the service list of satellite A that has already been acquired, and includes
This is performed by determining whether the channel number designated by the user exists.

In step S41, if it is determined that the channel number designated by the user is on satellite A, the process proceeds to step S42, where the connection with satellite A is maintained, and the program of the channel number designated by the user is reproduced. The processing is started as follows.

On the other hand, in step S41, the channel number designated by the user is the currently connected satellite A
If it is determined that the seamless does not exist, the process proceeds to step S43, and it is determined whether the seamless is turned on. If the seamless is set to on by the processing described with reference to the flowchart of FIG. 4 or FIG. 5, the process proceeds to step S44, and if the seamless is set to off, the process of step S44 is skipped. The process proceeds to step S46.

In step S44, another satellite (satellite B)
It is determined whether or not there is a channel number designated by the user. The processing in step S44 is performed in the same manner as the processing in step S41, and refers to the service list of the satellite B that has already been acquired, and determines whether or not the channel number designated by the user exists in the list. It is done by doing.

If it is determined in step S44 that the channel number designated by the user exists on satellite B, the process proceeds to step S45. In step S45,
The connection is switched from satellite A to satellite B, and the reproduction process of the program of the channel number designated by the user is started.

If it is determined in step S43 that seamless is not on, or step S44
When it is determined that the channel number designated by the user does not exist in the satellite B, the process proceeds to step S46,
It is determined that there is no program corresponding to the channel number designated by the user, and processing based on the determination is performed. When it is determined that there is no corresponding program,
For example, a message notifying the user is displayed.

The processing of the flowchart shown in FIG. 6 will be described with reference to FIG. FIG. 7 is a diagram showing an example of the channel numbers in the service list of the satellite A and the satellite B. Satellite A has a channel number of 2
01, 202, 206, and 210 are registered, and satellite B has 203, 204, 205, 207, 2
08 and 209 are registered. Here, the numbers registered in the satellites A and B are respectively described as ten serial numbers.

If the current satellite is satellite A and the user designates 201 as the channel number, step S41 is performed.
Then, the process proceeds to step S42, and the program corresponding to the channel number 201 is selected from the satellite A. If the user designates 203 as the channel number, step S
From step 41, the process proceeds to step S43, and when seamless is on, the process proceeds from step S44 to step S45, whereby the program corresponding to channel number 203 is selected from satellite B, and seamless is off. At this time, the process proceeds from step S44 to step S46,
It is determined that the program does not exist.

Further, if the user sets the channel number to 2
When the instruction of No. 15 has been made, steps S41 to S4
Then, the process proceeds to step S46, regardless of whether seamless is on or off, and it is determined that the corresponding program does not exist.

Next, the operation of the IRD 1 in a case where the user operates the channel number button 44 to select a channel number in order will be described with reference to the flowchart of FIG. First, assume that the user:
Assume that the user is viewing a program with a desired channel number. The program is a program supplied from the satellite A.

In step S61, a channel number that can be a candidate from the current satellite is selected based on the service list of the satellite A. For example, if the program that the user is currently watching is the program of the channel number 202 of the satellite A and the user operates the + mark button of the channel setting button 44, the currently connected satellite A starts
As a candidate for the next channel number (currently referred to as a satellite candidate channel number), the number closest to 202 is
At the same time, the channel number 206 with the larger number is selected.

In step S62, it is determined whether seamless is on. If it is determined that seamless is on, the process proceeds to step S63. Step S
At 63, a number that is a candidate for the next channel number (referred to as another satellite candidate channel number) is selected from the service list of the other satellite B. This processing is performed in step S
The process is performed in the same manner as the process of 61, in which case 203, which is closest to 202 and has a large number, is selected.

In step S64, step S61
Is compared with the other satellite candidate channel number selected in the process of step S63, and the current channel number,
In this case, the number closer to 202 is set as the selected channel. In this case, the channel number set as the selected channel is the satellite B 203.

In step S65, it is determined whether or not the selected channel number is a number of another satellite. In this case, since it is the satellite B 203, it is determined that it is the number of another satellite, and the process proceeds to step S66. In step S66, a satellite switching request is issued. That is, in this case, a request to switch the connection from the satellite A to the satellite B is issued.

As a result of the satellite switching request being issued in step S66, a state of waiting for completion of the satellite switching process is entered in step S67. Then, in step S68, it is determined whether the switching is completed within three seconds. The processing of steps S66 to S68 is provided because, even in the state where seamless is on, there is a case where switching of the satellite connection cannot be performed for some reason such as deterioration of the reception state. This is to respond to the situation.

If it is determined in step S68 that the switching of the satellite has not been completed within 3 seconds, the process proceeds to step S69, where the seamless state is reset from the on state to the off state. Then, step S7
In step S64, in step S64, the set channel selection channel number is reset to the current satellite candidate channel number (the channel number selected in step S61).

That is, when the process proceeds to step S70, the satellite switching is attempted because the number of the satellite which is not the currently connected satellite is set as the channel selection channel number. Is not completed, and in such a case, the program data of the channel number set as the channel selection channel number cannot be received from another satellite, so that the currently connected satellite selects the channel. You need to select a channel number. Therefore, in step S70, the number selected as the candidate channel number of the currently connected satellite is reset as the selected channel number.

In step S71, step S70
The channel selection corresponding to the channel selection channel number reset by the processing in is performed. In the process of step S71, if it is determined in step S62 that seamless is not on, if it is determined in step S65 that the selected channel number is not another satellite, or if it is determined in step S68 that the satellite is It also comes when it is determined that the switching has been completed.

When the process proceeds from step S62 to step S71, the only satellites that can be connected are the currently connected satellites. Therefore, the current satellite candidate channel number selected from the satellite is set as the channel selection channel number, and the selected channel number is changed to the selected channel number. It is tuned to the base. In this case, 206 of the satellite A is the channel number to be selected.

When the process proceeds from step S65 to step S71, since the channel number set as the selected channel number is the channel number of the currently connected satellite, the connection is maintained as it is, and the selected channel number is set. Tuning is performed based on the number. For example, if the channel selection button 44 is operated while the channel number of the program that the user is currently viewing is 201, 202 is selected as the current satellite candidate channel number, and that channel number is set as the selected channel number. Therefore, there is no need to switch satellites, and accordingly, steps S66 to S7
0 is skipped, and in step S71, channel selection based on the set channel selection channel number is performed.

When the process proceeds from step S68 to step S71, it is determined that the selected channel is another satellite, and since it has been switched to another satellite, the channel is selected based on the set selected channel. In this case, the channel number 203 of the satellite B is set as the channel to be selected, and the switching from the satellite A to the satellite B is completed, so that the channel number 203 is the channel number to be selected.

As described above, when seamless is off,
The channel number to be tuned is set based on the service list of one satellite, and when seamless is on, the channel number to be tuned is set based on the service list of two satellites. By doing so, it is possible to prevent the user from performing a troublesome operation such as switching satellites, and it is possible to provide a user-friendly device.

In the above description, the case where the satellite is seamlessly switched by the IRD 1 has been described.
Switching can also be performed according to a user's instruction. When the satellite is switched according to the user's instruction, for example, the service list acquisition process is started from step S4 in FIG.

In the above description, the case of two satellites has been described. However, the present invention can be applied to a plurality of satellites.

The series of processes described above can be executed by hardware, but can also be executed by software. When a series of processing is executed by software, it is possible to execute various functions by installing a computer in which the programs constituting the software are embedded in dedicated hardware, or by installing various programs For example, it is installed from a recording medium to a general-purpose personal computer or the like.

As shown in FIG. 2, the recording medium is a magnetic disk 31 (including a floppy disk) on which the program is recorded and an optical disk 32 which are distributed separately from a computer to provide the user with the program.
(CD-ROM (Compact Disk-Read Only Memory), DVD (Dig
ital Versatile Disk), magneto-optical disk 33
(Including MD (Mini-Disk)) or semiconductor memory 3
ROM 24 that stores programs and is provided to the user in a state in which it is not only constituted by a package medium such as
Is composed of a hard disk or the like.

In this specification, the steps of describing a program provided by a medium may be performed in a chronological order according to the described order. Alternatively, it also includes individually executed processing.

In this specification, the system is
It represents the entire device composed of a plurality of devices.

[0075]

As described above, the information processing apparatus according to the first aspect, the information processing method according to the fourth aspect, and the fifth aspect.
According to the recording medium described in (1), one of a plurality of networks is selected and connected, and predetermined information is obtained. When predetermined information is obtained from two or more networks, the obtained predetermined The connection to the network corresponding to this information is set in a switchable state, so that the network can be switched without the user being aware of it.

[Brief description of the drawings]

FIG. 1 is a diagram showing the configuration of an embodiment of an information processing system to which the present invention has been applied.

FIG. 2 is a diagram showing an internal configuration of an IRD 1 of FIG.

FIG. 3 is a diagram showing an external configuration of a remote controller 3 of FIG. 1;

FIG. 4 is a flowchart illustrating an operation relating to acquisition of a service list of IRD1.

FIG. 5 is a flowchart illustrating another operation related to the acquisition of the service list of the IRD1.

FIG. 6 is a flowchart illustrating an operation related to channel setting of the IRD.

FIG. 7 is a diagram illustrating an example of a service list.

FIG. 8 is a flowchart illustrating another operation related to the channel setting of the IRD.

[Explanation of symbols]

1 IRD, 2 television receiver, 3 remote controller, 11 antenna, 12 tuner, 13 demodulator, 14 error correction decoder, 1
5 descrambler, 16 transport processor,
17 MPEG video decoder, 18 MPEG / AC3 audio decoder, 19 SDRAM, 20 encoder, 21 audio D
/ A converter, 22 host processor, 23 DRAM,
24 ROM, 25 sub MPU, 26 smart card interface, 27 drive, 28 communication unit

Claims (5)

[Claims] 1. An information processing apparatus connected to a plurality of networks, wherein one of the plurality of networks is selected and connected, and a connection means for connecting to the network by the connection means. Acquisition means for acquiring information of the following; and, when the predetermined information is acquired from two or more of the networks, setting means for setting the connection to the network corresponding to the acquired predetermined information to be switchable. An information processing apparatus comprising: 2. The method according to claim 1, wherein the connecting unit is configured to perform a first connection attempt.
If the connection to the second network cannot be established within a predetermined time, the connection with the second network is started, and the obtaining unit obtains the predetermined information from the third network connected within the predetermined time 2. The information processing apparatus according to claim 1, wherein when the connection is not established, the connection with the fourth network is started. 3. The information processing apparatus according to claim 1, wherein the network includes a broadcasting satellite, and the predetermined information includes a channel number. 4. An information processing method for an information processing apparatus connected to a plurality of networks, comprising: a connection control step of controlling selection and connection of one of the plurality of networks; An obtaining step of obtaining predetermined information when the connection to the network is established; and a connection to the network corresponding to the obtained predetermined information when the predetermined information is obtained from two or more of the networks. A setting step of setting a switchable state. 5. An information processing program for an information processing apparatus connected to a plurality of networks, comprising: a connection control step of controlling selection and connection of one of the plurality of networks; An acquisition step of acquiring predetermined information when the network can be connected to the network in the processing; and acquiring the predetermined information from two or more networks, and And a setting step of setting the connection to a switchable state.