JP2010252147A - Multimedia delivery system, multimedia delivery method, and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To display multimedia information as intended by a provider. <P>SOLUTION: A broadcast station 20 broadcasts multimedia information (content information and display information) provided by a multimedia information edit device 10 via an airwave 30. A cellular phone 40 receives the multimedia information from the airwave 30 to store the received multimedia information in a storage medium in a housing. A multimedia information display device 50 obtains the multimedia information from the cellular phone 40 to display the content information included in the obtained multimedia information on the display in accordance with the display information included in the multimedia information. At this time, the multimedia information display device 50 divides the display into displays each with a logically determinate area to display the content information in one area in the position indicated by the display information out of a plurality of divided areas. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a multimedia distribution system.

  For example, Patent Document 1 discloses a technique of assigning multimedia material data to an arbitrary range of a display screen, and further displaying, reproducing, specifying a position, a time, and a switching method.

JP 2008-134575 A

  The present invention has been made from the above-described background, and an object thereof is to display multimedia information as intended by a provider.

  A multimedia distribution system according to the present invention is a multimedia distribution system including a receiving terminal that receives content information by broadcast radio waves and a multimedia display device that displays content information acquired from the receiving terminal. The media display device includes: an acquisition unit that acquires the content information from the receiving terminal; an arrangement unit that arranges a plurality of pieces of content information acquired by the acquisition unit; and a plurality of pieces of content information arranged by the arrangement unit Display means for displaying.

  Preferably, the receiving terminal receives content information and position information designating the arrangement of the content information by broadcast radio waves, and the acquisition means receives the content information and position information received by the receiving terminal. The obtaining unit arranges a plurality of pieces of content information based on the position information obtained by the obtaining unit.

  Preferably, the receiving terminal receives content information and timing information designating a display timing of the content information by broadcast radio waves, and the acquisition unit receives the content information and timing information received by the receiving terminal. And a timing control means for controlling the display timing of each of the plurality of pieces of content information displayed by the display means based on the timing information obtained by the obtaining means.

  Preferably, the receiving terminal receives content information and connection specifying information specifying connection between the content information and other content by broadcast radio waves, and the acquisition means is received by the receiving terminal. Content information and connection designation information are acquired, and the arrangement unit connects a plurality of pieces of content information side by side based on the connection specification information acquired by the acquisition unit.

  Preferably, each of the plurality of content information is a data file that can be displayed independently of each other, and the arrangement unit includes the content information for each of the plurality of panels obtained by dividing the display area in a grid pattern. The data file is allocated and arranged, and the display means synchronizes and displays at least a part of the data files allocated to each of the plurality of panels.

  Preferably, when there is an unacquired data file among a plurality of data files to be displayed at the same time, a replenishment unit is further provided for acquiring the unacquired data file using a bidirectional communication network.

  Also, the multimedia distribution method according to the present invention transmits a data file including content information by broadcast radio waves, receives the transmitted data file, stores it in a recording medium, and stores the data file in the recording medium. The plurality of data files are transferred to the display device, and based on the plurality of data files transferred to the display device, the content information included in these data files is arranged and displayed on the display device.

  A program according to the present invention is a multimedia distribution system including a receiving terminal that receives content information by broadcast radio waves and a multimedia display device that displays content information acquired from the receiving terminal. An acquisition function for acquiring the content information, an arrangement function for arranging a plurality of content information acquired by the acquisition function side by side, and a display function for displaying the plurality of content information arranged by the arrangement function are realized.

  According to the present invention, multimedia information can be displayed as intended by a provider.

1 is a diagram illustrating an overall configuration of a multimedia information display system 1. FIG. It is a figure which illustrates the pattern which acquires the multimedia information in a multimedia information display apparatus. FIG. 3 is a diagram illustrating a multimedia information display screen 100 in the first embodiment. 2 is a diagram illustrating a functional module 200 of the multimedia information display device 50. FIG. It is a figure which illustrates multimedia information DB204. It is a figure which illustrates panel DB210. It is a flowchart which illustrates display operation (S10) of functional module 200. It is a figure which illustrates the multimedia information display screen 300 in the modification 1. It is a figure which illustrates the multimedia information display screen 400 in the modification 2.

FIG. 1 is a diagram illustrating the overall configuration of a multimedia information display system 1 according to the first embodiment.
As illustrated in FIG. 1, the multimedia information display system 1 includes a multimedia information editing device 10 and a multimedia information display device 50.

The multimedia information editing apparatus 10 displays display information (for example, group ID, how to display the content information on content information (for example, moving image, still image, audio, or character) owned by the provider). Position, timing, connection, layer, expiration date, etc.).
Then, the multimedia information editing apparatus 10 provides a data file (hereinafter referred to as “multimedia information”) with display information added to the content information to the broadcast station 20 via radio waves or a network.

The broadcast station 20 broadcasts the multimedia information provided from the multimedia information editing device 10 on the broadcast radio wave 30 to the mobile phone 40 or the multimedia information display device 50.
Broadcast radio waves 30 emitted from the broadcast station 20 are, for example, MediaFlo (registered trademark) and ISDB-Tmm (Integrated Services Digital Broadcasting-Terrestrial for mobile multimedia).
The main functions of MediaFlo and ISDB-Tmm are a mobile terminal that distributes content information such as a mode that broadcasts TV and music in real time according to a conventional program guide, and a short video of several minutes. There is a mode to accumulate in.
In this embodiment, a mode in which content information included in MediaFlo or ISDB-Tmm is stored in the mobile terminal is used, and the content information is not distributed on-demand via the Internet or the like, but is a new broadcasting. Effectively use content information distributed in the form.

The mobile phone 40 is an example of a mobile terminal, receives multimedia information broadcast from the broadcast station 20, and stores the received multimedia information in a storage medium in the housing. In addition, as a portable terminal, PDA provided with the function to receive the broadcast radio wave 30 or a notebook personal computer etc. may be sufficient, for example.
The mobile phone 40 is connected to the Internet by communication radio waves such as UMTS / HSDPA.

In addition, a multimedia information display device 50, a multimedia information server 60, a shopping server 62, and an advertisement server 64 are connected to the Internet.
It does not matter whether the connection to the Internet is wired or wireless.

In the multimedia information display system 1 configured as described above, the multimedia information display device 50 acquires multimedia information in the following four patterns as illustrated in FIG.
The first is a case where multimedia information is acquired from a mobile phone 40 via a network such as the Internet, as illustrated in FIG. 2A. The multimedia information stored in the internal storage medium is transmitted to the multimedia information display device 50 via the Internet. The multimedia information display device 50 acquires multimedia information transmitted from the mobile phone 40.
The transmission means from the mobile phone 40 to the multimedia information display device 50 is not particularly limited. For example, transmission may be performed using an existing protocol such as e-mail or HTTP, or may be performed using a unique protocol. May be.
The second is a case where multimedia information is acquired from a mobile phone 40 via a portable storage medium such as an SD memory card 70 as illustrated in FIG. The SD memory card 70 in which the multimedia information is stored is taken out of the SD memory card 70, and the taken out SD memory card 70 is connected to the multimedia information display device 50. The multimedia information display device 50 acquires multimedia information from the connected SD memory card 70.
The third is a case where multimedia information is acquired from a network such as the Internet, as illustrated in FIG. 2C. The multimedia information display device 50 receives multi-media information from the multimedia information server 60 via the Internet. Get media information. The multimedia information server 60 is a server that distributes multimedia information via a network such as the Internet.
The fourth is a case where multimedia information is acquired from the broadcast radio wave 30 as illustrated in FIG. 2D, and the multimedia information display device 50 is a device (antenna or the like) that receives the broadcast radio wave 30. The multimedia information is acquired directly from the broadcast radio wave 30.

Then, the multimedia information display device 50 displays the content information included in the acquired multimedia information on the display according to the display information included in the multimedia information. At this time, the multimedia information display device 50 divides the display into a logically fixed range, and among the divided ranges, one range (hereinafter referred to as “panel”) at the position indicated by the display information. ) Display content information.
For example, as illustrated in FIG. 3, the multimedia information display device 50 includes content of moving images, news, shopping sites, and advertisements included in the acquired multimedia information on each panel of the display divided into nine. Information is arranged and displayed like the multimedia information display screen 100 according to each display information.

In addition, when the content information included in the acquired multimedia information includes information such as a URL or an IP address indicating the connection destination, the multimedia information display device 50 connects to the device at the connection destination and connects to it. The information received from the device (such as HTML) is displayed on the panel on which the content information is arranged.
For example, as illustrated in FIG. 3, the multimedia information display device 50 performs shopping on the panels 7, 8, and 9 when the content information of the shopping site and the advertisement includes URLs of the shopping server 62 and the advertisement server 64, respectively. The HTML received from the server 62 is displayed, and the HTML received from the advertisement server 64 is displayed on the panel 6.

With the multimedia information display system 1 described above, the provider can define how the multimedia information is displayed on the panel of the multimedia information display device 50 by the display information included in the multimedia information. .
Accordingly, the provider can effectively display a plurality of pieces of multimedia information in combination with the user.

FIG. 4 is a diagram illustrating a functional module 200 of the multimedia information display device 50.
As illustrated in FIG. 4, the functional module 200 includes an acquisition unit 202, a multimedia information database (multimedia information DB) 204, an input unit 206, an arrangement unit 208, a panel database (panel DB) 210, a supplement unit 212, a timing A control unit 214, a display unit 216, a communication unit 218, a script execution unit 220, and a deletion unit 222 are included.
The functional module 200 is realized by hardware or a combination of hardware and software.

The acquisition unit 202 acquires multimedia information from the mobile phone 40 in any of the patterns illustrated in FIG. 2, and writes content information and display information included in the acquired multimedia information in the multimedia information DB 204.
In addition, the acquisition unit 202 acquires multimedia information on demand from the multimedia information server 60 by bidirectional communication.

The multimedia information DB 204 is stored in a storage medium such as a hard disk or a flash memory included in the multimedia information display device 50, and as illustrated in FIG. 5, group ID, position, timing, connection, layer, It has information in which an expiration date and content information are associated with each other. The group ID, position, timing, connection, layer, and expiration date are included in the display information and are the following information.
“Group ID” is identification information given to a set of multimedia information. Content information related to the same group ID is placed on the panel at the same time.
“Position” represents the position of the panel. For example, as illustrated in FIG. 3, the “position” represents a number assigned in order from the upper left to the lower right of the arranged panel.
“Timing” represents the timing at which content information is displayed. For example, “from the beginning” represents display on the initial screen, and “after 1” represents the end of displaying content information arranged on the panel at the 1 position. “3 minutes later” indicates a display after 3 minutes from the initial screen. The timing is not particularly limited and can be freely defined by the provider.
“Linked” indicates which panel the content information is displayed over. The multimedia information display device 50 displays the content information enlarged / reduced according to the size of the connected panels.
“Layer” represents a hierarchy of content information displayed in the same panel. For example, multimedia information may be displayed in order from a lower numbered layer, or content of another layer may be displayed at a certain timing or by a certain operation. You may make it switch to information.
The “expiration date” represents an expiration date during which the content information can be viewed.

  The input unit 206 acquires the group ID input by the user, and transmits the acquired group ID to the placement unit 208. Note that the group ID input means by the user is not particularly limited, and is, for example, a keyboard operation or a mouse operation.

The placement unit 208 assigns the plurality of multimedia information acquired by the acquisition unit 202 to any of the plurality of panels. The panel is each area obtained by dividing the display area by a predetermined size.
The arrangement unit 208 of this example extracts information associated with the group ID transmitted from the input unit 206 from the multimedia information DB 204 and writes the extracted information to the panel DB 210.

  The panel DB 210 is stored in a volatile storage medium such as a DRAM provided in the multimedia information display device 50, and as illustrated in FIG. 6, the position, timing, connection, and layer extracted from the multimedia information DB 204. And content information associated with each other.

When there is unacquired content information (data file) among a plurality of content information (data files) to be displayed at the same time, the replenishment unit 212 sends the unacquired content information (data file) via the network. The acquisition unit 202 is instructed to acquire. More specifically, the replenishment unit 212 determines whether or not all the content information associated with the same group ID is available, and acquires the content information when there is insufficient content information. The unit 202 is instructed.
The replenishment unit 212 of this example refers to the panel DB 210 and determines whether there is a shortage of content information displayed on the panel. If the replenishing unit 212 determines that the content information to be displayed on the panel is insufficient, the replenishing unit 212 prompts the acquiring unit 202 to acquire the content information. Prompt to write to DB210.

  The timing control unit 214 refers to the timing information included in the panel DB 210 at regular intervals, activates the content information to be currently displayed (sets a displayable flag), and sets the content information that should not be currently displayed. Deactivate (lower the displayable flag).

The display unit 216 refers to the panel DB 214 and arranges and displays activated content information on a panel at a position associated with the content information.
Further, when the display unit 216 includes information (such as a URL) indicating the connection destination to the external device in the activated content information at the time of display, the display unit 216 sends the communication unit 218 to the external device at the connection destination. Connect through. The display unit 216 receives information (such as HTML) from an external device via the communication unit 218, and displays the received information on the panel on which the content information is arranged.
At this time, if a program such as a script is embedded in the information received from the external device, the display unit 220 requests the script execution unit 220 to execute the program.

  The communication unit 218 realizes communication between the display unit 216 and an external device via a network.

The script execution unit 220 executes a program such as a script in response to a request from the display unit 216.
At this time, when the panel DB 210 includes a program for instructing some operation such as switching the display of multimedia information, the script execution unit 220 operates the panel DB 210 according to the instruction of the program.

  The deletion unit 222 refers to the expiration date stored in the multimedia information DB 204 and deletes the display information and content information whose expiration date has expired from the multimedia information DB 204.

FIG. 7 is a flowchart illustrating the display operation (S10) of the functional module 200.
As illustrated in FIG. 7, in step 100 (S100), the input unit 206 receives an input of a group ID related to content information to be displayed from the user.

  In step 102 (S102), the arrangement unit 208 extracts the content information and display information (excluding the group ID) related to the group ID input in S100 from the multimedia information DB 204, and extracts the extracted content information and display information ( (Excluding the group ID) is written in the panel DB 210.

In step 104 (S104), the replenishment unit 212 determines whether there is a shortage of content information included in the panel DB 210.
If there is a shortage of content information, the functional module 200 proceeds to the process of S106, and if there is no shortage of content information, the function module 200 proceeds to the process of S110.

  In step 106 (S106), the replenishment unit 212 prompts the acquisition unit 202 to acquire the missing content information. Then, the acquisition unit 202 acquires the missing content information from the multimedia information server 60 via the Internet.

In step 108 (S108), the replenishment unit 212 determines whether the acquisition unit 202 has succeeded in acquiring content information for which deficiency is found.
The functional module 200 proceeds to the process of S110 when the acquisition of the content information is successful, and ends the process when the acquisition of the content information fails.

  In step 110 (S110), the timing control unit 214 refers to the timing information included in the panel DB 214, activates the content information to be displayed at present (sets a displayable flag), and the content that should not be displayed at present. Deactivate information (lower the displayable flag).

  In step S112 (S112), the display unit 216 refers to the panel DB 214 and displays the activated content information on the panel at the position associated with the content information.

  In step S114 (S114), when the display unit 216 receives a content display end instruction from the user, the functional module 200 ends the process, and the display unit 216 receives a content display end instruction from the user. If not, the process returns to S110.

With the configuration and operation described above, the user can use the multimedia information display device 50 to display the content information included in the multimedia information sent by broadcasting or the like as intended by the provider. Can do.
In addition, the provider includes a connection destination to an external device such as a URL in the provided content information, so that, for example, while showing a moving image that introduces a product to a user, Content information and interactive services can be merged, such as shopping.
Further, the provider can embed a program such as a script in information (such as HTML) received by the multimedia information display device 50 from an external device, and can link or display a plurality of pieces of content information according to the program. it can.

[Modification 1]
FIG. 8 is a diagram illustrating a multimedia information display screen 300 in the first modification.
As illustrated in FIG. 8, four moving images included as content information in the multimedia information are combined into one moving image. That is, each moving image is obtained by dividing one moving image into four.
The multimedia information display device 50 can arrange each of these four moving images on the panel and display them at the same timing, thereby making it appear as if one moving image is enlarged.

Broadcasting using MediaFlo or ISDB-Tmm is supposed to be displayed on a mobile terminal, and therefore gives a certain limit (for example, 320 × 240 pixels) to the size of a moving image that can be broadcast. Therefore, a moving image broadcast by MediaFlo or ISDB-Tmm becomes unclear when enlarged and displayed in a size exceeding a certain limit.
On the other hand, the multimedia information display device 50 sets the size of one panel to the size of a moving image that can be broadcast by MediaFlo or ISDB-Tmm, thereby arranging a plurality of divided moving images on each panel, and at the same timing. By displaying with, a large moving image can be displayed without reducing the resolution.

[Modification 2]
FIG. 9 is a diagram illustrating a multimedia information display screen 400 in the second modification.
As illustrated in FIG. 9, content information (information such as moving images, still images, audio, or characters) and display information (information such as group ID, position, timing, connection, layer, and expiration date) are different. It is a file.
In this case, the multimedia information display device 50 assigns and displays a plurality of pieces of content information to the panel based on one display information in another file.
The display information is defined by, for example, XML (Extensible Markup Language).

In the first embodiment and the first modification, the content information and the display information including the display information are handled as one multimedia information file. However, in this embodiment, the provider uses the content information and the display information as separate files. Each is distributed by broadcasting.
As a result, the multimedia information display device 50 can display only a part of the content information while keeping the display information as it is.

DESCRIPTION OF SYMBOLS 1 ... Multimedia information display system 10 ... Multimedia information editing apparatus 20 ... Broadcasting station 30 ... Broadcasting radio wave 40 ... Mobile phone 50 ... Multimedia information display apparatus 60 ... Multi Media information server 62 ... Shopping server 64 ... Advertising server 70 ... SD memory card 100 ... Multimedia information display screen (Example 1)
200: Functional module of the multimedia information display device 50 202: Acquisition unit 204: Multimedia DB
206 ... Input unit 208 ... Arrangement unit 210 ... Panel DB
212: Replenishment unit 214 ... Timing control unit 216 ... Display unit 218 ... Communication unit 220 ... Script execution unit 222 ... Deletion unit

Claims (8)

A multimedia distribution system including a receiving terminal that receives content information by broadcast radio waves, and a multimedia display device that displays content information acquired from the receiving terminal,
The multimedia display device includes:
Obtaining means for obtaining the content information from the receiving terminal;
Arrangement means for arranging a plurality of pieces of content information acquired by the acquisition means;
A multimedia distribution system comprising: a display unit configured to display a plurality of pieces of content information arranged by the arrangement unit. The receiving terminal receives content information and position information specifying the arrangement of the content information by broadcast radio waves,
The acquisition means acquires content information and position information received by the receiving terminal,
The multimedia distribution system according to claim 1, wherein the arrangement unit arranges a plurality of pieces of content information based on the position information acquired by the acquisition unit. The receiving terminal receives content information and timing information specifying the display timing of the content information by broadcast radio waves,
The acquisition means acquires content information and timing information received by the receiving terminal,
The multimedia distribution system according to claim 1, further comprising timing control means for controlling display timing of each of the plurality of pieces of content information displayed by the display means based on the timing information acquired by the acquisition means. The receiving terminal receives content information and connection designation information for designating connection between the content information and other content by broadcast radio waves,
The acquisition means acquires content information and connection designation information received by the receiving terminal,
The multimedia distribution system according to claim 1, wherein the arrangement unit connects a plurality of pieces of content information side by side based on the connection designation information acquired by the acquisition unit. Each of the plurality of content information is a data file that can be displayed independently of each other,
The arrangement means allocates and arranges a data file including content information for each of the plurality of panels obtained by dividing the display area in a grid pattern,
The multimedia distribution system according to claim 2, wherein the display unit displays at least some of the data files in synchronization among the data files assigned to each of the plurality of panels. The replenishment means for acquiring the unacquired data file using a bidirectional communication network when there is an unacquired data file among a plurality of data files to be displayed simultaneously. A multimedia distribution system according to any one of the above. Send a data file containing content information by broadcast radio waves,
Receive the transmitted data file, store it in the recording medium,
Transferring a plurality of data files stored in the recording medium to a display device;
A multimedia distribution method in which content information included in a plurality of data files is arranged and displayed on the display device based on a plurality of data files transferred to the display device. In a multimedia distribution system including a receiving terminal that receives content information by broadcast radio waves, and a multimedia display device that displays content information acquired from the receiving terminal,
An acquisition function for acquiring the content information from the receiving terminal;
An arrangement function for arranging a plurality of pieces of content information acquired by the acquisition function;
A display function for displaying a plurality of pieces of content information arranged by the arrangement function.

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