JP2010068016A - Movie-subtitle synchronous display system - Google Patents

Abstract

When subtitles based on subtitle data in a server on a network are displayed on a portable device in a movie theater or the like, the timing of the subtitle display accurately matches each scene of the movie.
[MEANS FOR SOLVING PROBLEMS] A movie management device (6) such as a screening start time and a wireless LAN base unit (12) are connected to a network (2) to which a subtitle server (3) and an NTP server (1) are connected. The main portable device MPD and the slave portable device SPD that displays subtitles are time-synchronized by the NTP server 1 shared with the management apparatus 6. The main portable device MPD is set in the subtitle server 3 with the start time of the screening, and is read by the subportable portable device SPD, and the subtitle data set is downloaded from the subtitle server 3. The management device 6 starts the movie screening operation at the screening start time, and the sub-portable device SPD starts the caption display operation, and accurately synchronizes each scene of the movie with the timing of the caption display. The operation for synchronization is possible only by the operation of the main portable device MPD.
[Selection] Figure 1

Description

The present invention provides a subtitle of a movie projected on a screen such as a movie theater, an audio-visual room, etc., which is installed in a space where multiple people can watch a movie simultaneously, on a portable device carried by the viewer. The present invention relates to a synchronized display system for movies and subtitles that can be displayed in synchronization with the progress.

Conventionally, this type of system has been described in Patent Document 1.
It is used by being placed at a position relatively distant from the user's location, and is used at the user's hand with a large display device (master unit) for displaying images, etc., based on information captured from outside. A plurality of small display devices (a plurality of slave units) for displaying characters wirelessly, and a cooperating means for causing the small display devices to display the contents linked with the display contents of the large display devices in real time. This is a cooperative display system.

JP 2008-118664 A

  However, in the above-described conventional technology, the display content of the large display device which is the master unit is a movie, the display content of the slave unit is the caption of the movie, and the caption data is downloaded from the caption server connected to the network. When applied to the system form, sufficient consideration has not been given to the synchronization between the movie progress in the master unit and the subtitle display in each slave unit.

If subtitle data is stored in a server connected to the network, especially a web server connected to the Internet, the subtitle data can be used in common for demand from multiple locations. Effective use is possible. Therefore, conventionally, when displaying subtitle data stored in a server connected to a network as described above on a slave unit, it is possible to synchronize the progress of a movie by a large display device and the display of subtitles on each slave unit. Was an important issue.
An object of the present invention is to provide a movie / caption synchronized display system capable of achieving the above-described problems.

  In order to achieve the above-mentioned object, the invention according to claim 1 of the present invention is connected to a network with subtitles of a movie displayed on a screen provided in a space where a plurality of people can simultaneously watch a movie. A movie / subtitle synchronized display system that can display on a portable device in synchronization with the progress of the movie based on subtitle data downloaded from the subtitle server, and can be connected to a network to which the subtitle server and standard time distribution server are connected. A network connection device, a management device and a wireless LAN master device connected to the network connection device, and a slave device that can communicate with the wireless LAN master device, and is capable of accessing the caption server and the standard time distribution server. A portable device and a secondary portable device, wherein the caption server stores a caption data set of a movie; The movie start time can be stored, the management device can access the standard time distribution server and set the time of the internal clock to the current time, and the main portable device can distribute the standard time distribution It is possible to adjust the time of the internal clock to the current time by accessing the server, and it is possible to store the movie start time arbitrarily set in the subtitle server, and the slave portable device One or more, each of which can access the standard time distribution server and adjust the time of the internal clock to the current time, and can access the subtitle server to download a subtitle data set; and The display start time saved in the caption server can be stored and held, and the management device displays the movie at the start time. When starting the said slave portable device is characterized in that to start the display of subtitles based on the subtitle data sets downloaded.

  The invention according to claim 2 of the claims is the invention according to claim 1, wherein the caption server stores caption data sets of a plurality of types of languages, and the slave portable device is stored in the caption server. It is possible to download and download a subtitle data set in a desired national language.

  The invention according to claim 3 of the claims is the invention according to claim 1 or 2, wherein the subtitle server is capable of storing a subtitle display timing correction offset value, and the main portable device is The subtitle display timing correction offset value arbitrarily set is used to correct the subtitle display timing based on the time of the internal clock, and the offset value can be stored in the subtitle server. The offset value stored in the caption server can be read and stored, and the caption display timing based on the time of the internal clock can be corrected by the offset value.

The invention according to claim 4 of the claims is the invention according to claim 2 or 3, wherein the slave portable device can be added after the screening start time has elapsed, and the slave slave device added is When desired after the screening start time has elapsed, it is possible to access the standard time distribution server and set the time of the internal clock to the current time, and access the caption server to create a caption data set in a desired national language. The display of the subtitles after the subtitles to be displayed now is started based on the screening start time and the subtitle display timing correction offset value that can be downloaded and stored in the subtitle server.
The invention according to claim 5 of the claim is the invention according to any one of claims 1 to 4, wherein the management device is configured to display the movie start time arbitrarily set. Can be stored in the caption server.
The invention according to claim 6 of the claims is based on subtitle data downloaded from a subtitle server connected to a network, wherein subtitles of a movie to be projected on a screen installed in a space where a plurality of people can simultaneously watch a movie are displayed. A movie / subtitle synchronous display system that can display on a portable device in synchronization with the progress of the movie, and a network connection device connectable to a network to which a subtitle server and a standard time distribution server are connected, and the network A wireless LAN master device connected to the connection device; a slave device capable of communicating with the wireless LAN master device; and a master portable device and a slave portable device accessible to the caption server and the standard time distribution server, The subtitle server stores a subtitle data set of a movie and can store the start time of the movie. The main portable device can access the standard time distribution server to synchronize the time of the internal clock with the current time, and save the arbitrarily set start time of the movie on the subtitle server. The slave portable device is provided with one or a plurality of devices, each of which can access the standard time distribution server to adjust the time of the internal clock to the current time, and can access the subtitle server. When the subtitle data set can be downloaded and the display start time stored in the subtitle server can be stored and held, and the display start time is reached, the slave portable device is based on the downloaded subtitle data set. The subtitle display is started.

According to the first aspect of the present invention, each movie scene and the subtitle display timing of the sub-portable device are accurately matched (the synchronization between the movie progress and subtitle display of the sub-portable device is accurately adjusted). Can take). Therefore, by storing caption data in a server connected to the network, particularly a web server connected to the Internet, it is possible to share the demand from multiple locations, and the convenience of caption data can be improved. In addition, it is possible to effectively use the caption data.
Further, the subtitle display start time of all the sub-portable devices can be matched with the movie start time based on the operation of one main portable device. In addition, it is said that the adjustment of the screening start time is completed independently of the management device related to the screening of the movie, that is, it is completed by the operation and operation of the main and secondary portable devices without taking the operation of the movie theater administrator. There is also an effect.

According to the invention described in claim 2 of the scope of claims, in the invention described in claim 1, there is an effect that a subtitle of a desired language can be selected from a plurality of types of languages.
According to the invention described in claim 3 of the claims, in the invention described in claim 1 or 2, each movie scene and subtitle display timing in the slave portable device (hereinafter abbreviated as subtitle display timing). ) Can be adjusted more accurately, and this can be achieved by setting the offset value for subtitle display timing correction for the first time of the main portable device.

According to the invention described in claim 4 of the claims, in the invention described in claim 2 or 3, it is possible to add a sub-portable device capable of displaying subtitles after the start time of the screening, and this addition. Even for portable devices, the subtitle display timing can be adjusted very accurately.
According to the invention described in claim 5 of the claims, in the invention described in any one of claims 1 to 4, not only the main portable device but also the secondary portable not only by the operation of the management apparatus. There is an effect that the subtitle display start time of the device can be matched with the movie start time.
According to the sixth aspect of the present invention, it is possible to provide a movie / caption synchronized display system having a simple configuration in which the management device is omitted. This system is particularly effective when the system is introduced into a small audio-visual room, a conference room, a hotel room, or a living room in a house as a space where a plurality of people can watch a movie at the same time.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the same code | symbol shows the same or an equivalent part between each figure.
The present invention is directed to a portable device based on subtitle data downloaded from a subtitle server connected to a network for subtitles of a movie to be projected on a screen installed in a space where a plurality of people can simultaneously watch a movie. A synchronized display system for movies and subtitles that can be displayed in synchronism with the image, and is specifically configured as follows.

FIG. 1 is an overall configuration diagram showing an embodiment of a movie / caption synchronized display system according to the present invention.
As shown in this figure, this embodiment is configured by connecting a subtitle server 3 and a network connection device 4 to a network 2 to which a standard time distribution server 1 for distributing standard time is connected. Here, an NTP (Network Time Protocol) server that distributes Japan Standard Time is used as the standard time distribution server 1, the Internet is used as the network 2, and a modem (MODEM: modem) is used as the network connection device 4. .
The reason why the modem is used as the network connection device 4 is that an analog telephone line is used as a line to the network 2 in this embodiment, and the network connection device 4 is not limited to the modem. .
In the present embodiment, a management device 6 and a wireless LAN base unit (access point) 12 connected to the modem 4 via a transmission line, here a wired LAN (Local Area Network) 8, and the wireless LAN base unit 12 Main portable device having a slave unit (wireless LAN adapter) or a slave unit function capable of communicating with each other, and capable of accessing the caption server 3 and the NTP server via the wireless LAN master unit 12, the wired LAN 8, and the modem 4 An MPD and a secondary portable device SPD are provided.

The subtitle server 3 is a server that stores a subtitle data set of a movie and constitutes a web server in which the movie start time and subtitle display timing correction offset value can be saved by the main portable device MPD To do.
The subtitle data set for a movie is a subtitle for each scene of a specific movie, in other words, a subtitle data created until the end of the movie in association with the elapsed time from the screening start time Data group.
In the present embodiment, for a plurality of movies, subtitle data sets of a plurality of types of Japanese are stored in the subtitle server 3 so as to be selectable. In particular, in the present embodiment, a Japanese subtitle data set is stored in the subtitle server 3 so that a Japanese subtitle data set can be displayed for a Japanese audio movie. In this way, the subtitle data set of the native language is also stored in the subtitle server 3 so that the native language audio movie can be selected in the subtitle server 3 mainly to assist the hearing impaired person in viewing the movie.
In the present embodiment, the subtitle server 3 receives a subtitle data set relating to a new movie, or a new subtitle data set relating to a movie in which several types of subtitle data sets in Japanese are already stored, via the Internet 2. Additional storage is possible from the web 5 such as a caption production company. The subtitle server 3 is configured to be able to update a subtitle language selection screen, which will be described later, in preparation for such additional storage of subtitle data sets. A subtitle server (web server) 3 may be configured on the web 5, and in this case, a subtitle data set can be additionally stored directly in the subtitle server 3 from a subtitle creation company or the like.
In this embodiment, the subtitle data is described in Javascript (JavaScript) in four languages of Japanese, English, Korean, and Chinese.

The management device 6 is a device that controls and manages the digital cinema processor 7, in particular, comprehensively manages movie screening schedules, etc., and accesses the NTP server 1 via a wired LAN (Local Area Network) 8 and a modem 4. In addition, the time of the internal clock can be set to the current time (network time).
The digital cinema processor 7 is a device for projecting a digital cinema on a screen 9, but instead of the digital cinema processor 7, a film projector (not shown) that projects a movie on the screen 9 using a film. May be used. In this case, the management device 6 is a device for operating and managing the film projector. Here, the screen 9 refers to all the screens on which a movie is projected by a digital cinema or a film projector.

In FIG. 1, reference numeral 10 denotes a movie theater showing a space where a plurality of people can watch a movie at the same time, and 11 denotes a projection room adjacent to the screening room 10.
A screen (screening screen) 9 is installed in front of the screening room 10, and there are a large number of spectator seats facing the screen 9, and one or more desired spectators each carry a secondary portable device SPD.
In the projection room 11, a management device 6, a wireless LAN master device 12, and a modem 4 connected to the digital cinema processor 7 are arranged in a state of being connected to a wired LAN 8. One main portable device MPD is usually placed at an appropriate location in the projection room 11 so that the operator can arbitrarily take it out. The operation location of the main portable device MPD is not limited to the projection room 11 as long as it is in an area where communication with the wireless LAN base unit 12 is possible.

Examples of the main and secondary portable devices MPD and SPD include portable PCs (personal computers) such as palm-size PCs, pocket PCs, and portable media players. The main and secondary portable devices MPD and SPD each include at least a web browser and a storage unit having an appropriate capacity, and can access the subtitle server (web server) 3 and the NTP server 1 by starting and operating the web browser. . Of course, it is provided with the display which performs the various display mentioned later.
Although the main and secondary portable devices MPD and SPD are basically battery-driven, it is desirable to have an external power input terminal in order to cope with a battery exhaustion during operation. Using this external power input terminal, external power can be supplied to the main and secondary portable devices MPD and SPD, and an external power output terminal for the main and secondary portable devices MPD and SPD is provided at each spectator seat in the exhibition room 10. Is more desirable.

Details of the main and secondary portable devices MPD and SPD will be described below.
The main portable device MPD can access the NTP server 1 via the wireless LAN base unit 12, the wired LAN 8, and the modem 4 and set the time of the internal clock to the current time. In addition, the main portable device MPD can arbitrarily set the movie start time and the offset value for subtitle display timing correction, and these set values (time and offset value) are described as their own storage unit (hereinafter referred to as the self storage unit). )) And can be written and saved in a file provided in the server 3 by accessing the subtitle server 3.

Similarly, the secondary portable device SPD can access the NTP server 1 via the wireless LAN base unit 12, the wired LAN 8, and the modem 4 and set the time of the internal clock to the current time.
The sub-portable device SPD accesses the subtitle server 3 to download a subtitle data set of a desired national language selected from a subtitle national language selection screen, which will be described later, and stores the subtitle data set in its own storage unit. Can be stored and held in the own storage unit.
When the management device 6 starts the movie at the start time, in other words, when the time of the internal clock reaches the display start time stored in the own storage unit, the slave portable device SPD The subtitle display is configured to start based on the subtitle data set downloaded from the subtitle server 3.

  In the main portable device MPD, such a caption display function is not indispensable, but in the present embodiment, such a caption display function is provided in the same manner as the secondary portable device SPD for operation confirmation. That is, the main portable device MPD can also access the subtitle server 3 to download a subtitle data set of a desired national language selected from the subtitle national language selection screen described later, and store it in its own storage unit, similar to the sub-portable device SPD. The subtitle display is configured to be executable.

Further, in the present embodiment, the main and secondary portable devices MPD and SPD read data relating to the subtitles slightly earlier or later than the display time on the subtitle data determined for each scene of the movie. A display function is provided, and the speed of subtitle display with respect to movie progress can be changed as desired.
The subtitle data set selected for the movie to be screened is stored in the storage unit in a single download operation if the storage units of the main and secondary portable devices MPD and SPD have sufficient capacity. Otherwise, download multiple times. In this case, each subtitle data set portion is prefetched and downloaded so that the subtitle display by the subtitle data set portion to be downloaded does not lag behind the progress of the movie being shown.

The offset value for subtitle display timing correction stored in the subtitle server 3 by the main portable device MPD is an error value for correcting subtitle display timing based on the time of the internal clock of the main and subportable devices MPD and SPD. Specifically, it is the difference between the time of the NTP server 1 and the time of the internal clocks of the main and secondary portable devices MPD and SPD. Subtitle display timing due to a time difference with the NTP server 1 generated after the time of the internal clocks of the main and secondary portable devices MPD and SPD is once adjusted to the time of the NTP server 1 (movie scenes and primary and secondary portable devices This is used to eliminate a shift in subtitle display timing in MPD and SPD.
The main and sub-portable devices MPD and SPD can correct the subtitle display timing by the offset value stored and held in the own storage unit at regular time intervals. When desired, the caption display timing may be corrected by the offset value by a predetermined operation.
In any case, the operation of adjusting the time of the internal clock to the current time (network time) of the NTP server 1 is performed only once each time in the primary and secondary portable devices MPD and SPD.
Also, the operation for correcting the subtitle display timing is only the operation for setting the subtitle display timing correction offset value that is initially performed once in the main portable device MPD. The subtitle display timing correction is performed by the main portable device MPD using the same offset value stored and held in the own storage unit when the offset value is set, and by accessing the subtitle server 3 and reading the subportable portable device SPD. Each is performed by the offset value stored and held in the storage unit.

In the present embodiment, as shown in the drawing, one main portable device MPD and a plurality of slave portable devices SPD are provided. If there is only one person who wants to support movie watching with subtitles, it is sufficient to provide one slave portable device SPD, but usually a plurality of slave devices SPD are provided.
In addition, the secondary portable device SPD is configured to be addable in order to meet the desires of the spectators who enter after the movie starts, that is, after the start time of the screening. A-SPD in FIG. 1 shows a plurality of slave portable devices as spare machines used in such a case.

Note that it is possible to set the movie start time and / or the offset value for subtitle display timing correction and save it in the subtitle server 3 by the management device 6, but in this case, the management device 6 It takes time and effort on the part of the movie theater administrator, such as operation.
As described above, if the movie start time and the offset value for subtitle display timing correction are set by the main portable device MPD and stored in the subtitle server 3, a series of subtitle display for the subportable portable device SPD is displayed. The operation can be completed by operations and operations only on the main and secondary portable devices MPD and SPD side.

  The communication methods between the wireless LAN base unit 12 and the main and secondary portable devices (including the wireless LAN handset or wireless LAN handset function included in each portable device) MPD and SPD are roughly classified into radio wave methods, infrared rays, There is an optical system using a laser or the like. According to the optical system, communication is impossible in the shadow area. Therefore, in the present embodiment, a radio system conforming to a radio wave system, for example, various IEEE 802.11 standards (11b / 11a / 11g, etc.) is used.

Next, in the above-described embodiment, a procedure until a subtitle of a movie to be screened is displayed on the main and secondary portable devices MPD and SPD will be described with reference to the flowchart of FIG.
Here, the management device 6 is prepared as follows before execution of the illustrated flowchart.
That is, in the management device 6, the time of the internal clock is set to the network time. Even after the initial time adjustment, the management device 6 accesses the NTP server 1 at regular time intervals and repeats the time adjustment, thereby improving the accuracy of the internal clock. In addition, the management device 6 has already set the movie start time, and from the time when the internal clock reaches the start time, the digital cinema processor 7 can display the movie on the screen 9 in the display room 10. Have been prepared.

Under these preparations, as shown in the figure, in step 201, the installed web browser is started for each of the primary and secondary portable devices MPD and SPD, and the NTP server 1 is accessed to set the time of each internal clock. To the network time.
When the web browser is started and the subtitle server (web server) 3 is accessed, a time setting screen (see FIGS. 3A and 3B) is displayed, and an operation on the time setting screen is performed. The time of the internal clock of the main and secondary portable devices MPD and SPD may be set to the network time. In the present embodiment, the time on the internal clocks of the main and secondary portable devices MPD and SPD is adjusted to the network time by an operation on the time setting screen.
These operations are basically performed by an operator of this system and a movie theater employee for the main portable device MPD, and by the user of the sub-portable device SPD, that is, a spectator watching a movie with subtitle support. However, it is not limited to only these persons.

In step 202, the operator of the main portable device MPD confirms the display start time set in the management apparatus 6 and sets it in the main portable device MPD, and subtitles based on the times of the main and sub portable devices MPD and SPD. An offset value (subtitle display timing correction offset value) for correcting the display timing is appropriately set. Then, the screening start time and the offset value are written and saved in a file provided in the caption server 3. This saving is executed by an operation on the screening start time setting screen (see FIG. 3C) displayed on the main portable device MPD by accessing the subtitle server 3.
In step 203, the operator of the main and secondary portable devices MPD and SPD displays a subtitle language selection screen [see FIGS. 3 (d) and 3 (e)] displayed on its own display (hereinafter referred to as the self display). ] By the above operation, select the subtitle language to be displayed on the self-display.

  In step 204, the subtitle data set of the national language selected in step 203 is downloaded (stored in the storage unit) from the subtitle server 3 to the main and secondary portable devices MPD and SPD. Further, the screening start time and the offset value for subtitle display timing correction (hereinafter abbreviated as “offset value”) stored in the subtitle server 3 in step 202 are also read and stored in the slave portable device SPD and set in the slave portable device SPD. (Stored in the storage unit). Thereafter, the slave portable device SPD enters a movie screening standby state (screening start time waiting state). FIGS. 3F and 3G show an example of a screening start time standby screen.

When the screening start time comes, a movie screening operation by the digital cinema processor 7 is started, and at the same time, a caption display operation by the main and secondary portable devices MPD and SPD is started (step 205).
That is, the main and sub-portable devices MPD and SPD each start reading subtitle data sets stored in their own storage units, and subtitles associated with the elapsed time from the screening start time in the subtitle data sets are It is displayed on the self-display unit in time with the time of the internal clock of the portable devices MPD and SPD.
Here, when the offset value is set and stored in step 204 in the main and secondary portable devices MPD and SPD, the offset value is added to the elapsed time from the time adjusted to the network time, and the result is obtained up to the present time. Then, the elapsed time obtained by adding the offset value to the elapsed time is set as a new elapsed time, and the operation of repeating the operation is repeated for a certain period of time based on the offset value. It is done at intervals.
Therefore, the subtitles for each scene of the movie that has started to be displayed are displayed in synchronism with the progress of the movie on the display devices of all portable devices MPD and SPD. Watch movies with subtitle support.
In particular, if the audience carrying and using the secondary portable device SPD is a hearing impaired person, select the native language subtitle for the audience's native language movie, for example, the Japanese subtitle for the Japanese audio movie Then, by displaying on the secondary portable device SPD, the movie can be viewed without being particularly aware of hearing impairment.
FIGS. 3H and 3I show examples of screens immediately before the start of the caption display operation.
The subtitle display on the main portable device MPD is for confirming the operation of subtitle display on the sub-portable device SPD.

FIG. 4 shows how subtitle data is read in accordance with the elapsed time from the movie start time 10:00 in the main and secondary portable devices MPD and SPD. In the illustrated example, the elapsed time is shown in hours: minutes, with the screening start time 10:00 as 00:00.
Sb1. js is a Javascript file that is executed when Japanese is selected. This file sb1. By executing js, subtitle data corresponding to the scene of the movie being shown, that is, the elapsed time from the start time of the movie is read, and Japanese subtitles for each scene synchronized with the progress of the movie are mainly and subordinately. It is displayed on each display device of the portable device MPD and SPD.

Next, a procedure until the subtitles of the movie being shown are displayed on the secondary portable device A-SPD added after the movie start time elapses will be described with reference to the flowchart of FIG.
A sub-portable device A-SPD is added according to the desire of the spectator who entered the movie after the movie start time has passed.
In such a case, first, a web browser of the added secondary portable device (additional secondary portable device) A-SPD is started, the NTP server 1 is accessed, and the time of the internal clock is set to the network time ( Step 501).
In the present embodiment, when the subtitle server 3 is accessed, a time setting screen (see FIG. 3A) is displayed, and the time is set to the network time by an operation on the time setting screen.
This operation is basically performed by a person entering the building while using the additional slave portable device A-SPD, but may be performed by another person.

  In step 502, the operator of the additional slave portable device A-SPD displays the subtitles to be displayed on the self-display unit by the operation on the subtitle language selection screen [see FIG. 3 (d)] displayed after the network time adjustment. Select your language.

  In step 503, the subtitle data set of the national language selected in step 502 is downloaded (stored in the storage unit) from the subtitle server 3 to the additional slave portable device A-SPD. 2 is also read and stored in the additional secondary portable device A-SPD and stored in the storage unit of the secondary portable device A-SPD. .

The additional slave device A-SPD adds the offset value to the elapsed time from the time adjusted to the network time when the screening start time and the offset value for subtitle display timing correction are stored, and the result is The elapsed time up to the present time, then the elapsed time obtained by adding the offset value to the elapsed time is set as the new elapsed time, and this operation is repeated thereafter. The correction of the subtitle display timing based on the offset value is fixed. Performing at time intervals is the same as other portable devices MPD and SPD. Therefore, the elapsed time (modified elapsed time) from the screening start time in the additional slave portable device A-SPD is also combined with all other portable devices MPD and SPD.
In this additional sub-portable device A-SPD, among the subtitle data in the subtitle data set stored in the storage unit, the first subtitle data is read according to the elapsed time modified as described above. The subtitle display operation is started (step 504).
After the subtitle display operation is started, subtitles for each scene of the movie being shown are displayed in synchronization with the progress of the movie on the display of the additional slave portable device A-SPD, and the additional slave portable device A-SPD is displayed. As with other audiences who carry and use the secondary portable device SPD from the start of the screening, the audience who carries and uses the movie can also enjoy the movie with subtitle support.
FIG. 3H also shows an example of a screen immediately before the start of the caption display operation in the additional slave portable device A-SPD.

As described above, in the present embodiment, the modem 4 that can be connected to the Internet 2 to which the subtitle server (web server) 3 and the NTP server 1 are connected, and the management device 6 and the wireless LAN base unit that are connected to the modem 4 12 and main and secondary portable devices MPD and SPD having a slave unit (slave unit function) capable of communicating with the wireless LAN master unit 12 and capable of accessing the caption server 3 and the NTP server 1. Then, when the subtitle server 3, the management device 6, the main and secondary portable devices MPD and SPD are configured as described above, and the management device 6 starts the movie at the start time, the main and secondary portable devices MPD, Since the SPD is configured to start displaying captions based on each downloaded caption data set, the following effects can be exhibited.
In other words, it is possible to match the timing of subtitle display in each movie scene with the main and sub-portable devices MPD and SPD very accurately.
Further, the subtitle display start time of all the slave portable devices SPD can be matched with the movie start time based on the operation of one main portable device MPD. Moreover, the operation and operation of the main and secondary portable devices MPD and SPD are performed independently of the management device 6 related to the screening of the movie, that is, without taking the operation of the cinema administrator. It has the effect of being completed with.

In addition, subtitles in a desired language can be selected from a plurality of types of national languages, and a secondary portable device SPD capable of displaying subtitles can be added after the screening start time has elapsed, and the added portable device A -SPD also has an effect that the timing of subtitle display on each scene of the movie and the subordinate portable device A-SPD can be adjusted very accurately.
In the above-described embodiment, Japanese subtitle data is stored in the subtitle server 3 so that Japanese subtitles can be selected and displayed for a Japanese audio movie, and the subtitles in the national language are stored in the sub-portable device SPD. It is configured to be displayable. In this way, the native language subtitle data can be stored in the subtitle server 3 and displayed in the subtitle portable device SPD so that the native language subtitles can be selected and displayed for the native language audio movie. If configured in this way, it is possible for a hearing impaired person who uses his native language to enjoy the movie without being particularly conscious of hearing impairment.

In the above-described embodiment, the movie theater showing room 10 is exemplified as a space where a plurality of people can watch a movie simultaneously. However, the present invention is not limited to this. For example, it may be a space such as an audiovisual room, a conference room, a hall such as a hotel, or a living room in a house.
In this case, as a device for projecting a movie on the screen 9 such as a screen, in addition to the digital cinema processor 7 and the film projector, a broadcast tuner that receives images transmitted through radio waves, cables, etc., or a DVD or BD (Blu-ray). A video player or the like that reproduces video recorded on a medium such as a disc. The screen 9 for projecting a movie includes a large liquid crystal display, an organic EL (electroluminescence) display, a plasma display (PDP) and the like in addition to a normal screen.
Even when a broadcast tuner or a video player is used as a device for displaying a movie on a screen (including displaying a movie on a display; the same applies hereinafter), the management device 6 displays the movie (to the display) at the start time of the screening. When the operation is started, the main and secondary portable devices MPD and SPD configured in the same manner as in the above embodiment start displaying subtitles based on the already downloaded subtitle data set. . In this case, the management device 6 starts the movie when the broadcast start time is reached, for example, by turning on the receiving operation of the broadcast tuner, turning on the playback operation of the video player, or turning on the display operation of the display. In order to make this possible, the broadcast tuner, the video player, or the display is linked.

When a broadcast tuner or a video player is used as a device for projecting a movie on the screen, the management device 6 does not have the function of accessing the NTP server 1 and adjusting the time of the internal clock to the current time. A timer device may be provided. In this case, the timer device is a timer device for starting the movie showing by turning on the operation of the broadcast tuner, the video player, or the display, and the movie starting time is set in advance. When the timer device starts the movie at the start time, the main and secondary portable devices MPD and SPD configured in the same manner as in the above embodiment display subtitles based on the subtitle data set that has already been downloaded. Start. In this case, the timer device starts the movie when the broadcast start time is reached, for example, by turning on the receiving operation of the broadcast tuner, turning on the playback operation of the video player, or turning on the display operation of the display. As described above, the broadcasting tuner, video player, or display is linked.
Since this timer device is not connected to the network 2, the structure can be simplified, and a space where multiple people can watch a movie at the same time can be used, such as a small audio-visual room, a conference room, a hotel room, or a living room in a house. This is particularly effective when this system is introduced into the system.
On the other hand, since the other parts including the main and sub-portable devices MPD and SPD except for the management device 6 are configured in the same manner as in the above-described embodiment, the timer device sets the display start time set on the main portable device MPD. If the movie tuner is started by turning on the reception operation of the broadcast tuner or turning on the reproduction operation of the video player, the same effects as those of the above-described embodiment can be exhibited.

When a broadcast tuner or a video player is used as a device for projecting a movie on the screen, neither the management device 6 nor the timer device may be omitted. In this case, when the movie starts to be displayed at the start time set on the main portable device MPD, the main and sub-portable devices MPD and SPD configured in the same manner as in the above-described embodiment have already downloaded subtitle data sets. The subtitle display starts based on the above.
In this embodiment, since the management device 6 and the timer device are not used, the configuration is most simplified. As a space where a plurality of people can watch a movie at the same time, a small audio-visual room, a conference room, a hotel room, etc. This system is most effective when introducing this system in a living room.
On the other hand, since the other parts including the main and sub-portable devices MPD and SPD except for the management device 6 are configured in the same manner as in the above-described embodiment, the broadcast tuner is set to the start time set on the main portable device MPD. If the movie is started by turning on the reception operation or turning on the reproduction operation of the video player, the same effect as in the above embodiment can be exhibited.

1 is an overall configuration diagram showing an embodiment of a movie / caption synchronized display system according to the present invention. It is a flowchart which shows an example of a procedure until the subtitles of the movie shown on the main and secondary portable devices are displayed. It is a figure which shows an example of the screen displayed timely in a procedure same as the above. It is a figure which shows a mode that subtitle data are read according to the elapsed time from the movie start time in the main and secondary portable devices. It is a flowchart which shows an example of the procedure until the subtitles of the movie being shown are displayed on the secondary portable device added after the movie start time has elapsed.

Explanation of symbols

1: NTP server (standard delivery server) 2: Internet (network) 3: Subtitle server (web server) 4: Modem (network connection device) 6: Management device 9: Screen (screen) 10: Screening room, 11: Projection room, 12: Wireless LAN base unit, MPD: Primary portable device, SPD: Secondary portable device, A-SPD: Additional secondary portable device.

Claims (6)

A subtitle of a movie projected on a screen installed in a space where a plurality of people can watch a movie at the same time is transferred to a portable device based on subtitle data downloaded from a subtitle server connected to the network in synchronization with the progress of the movie. A synchronized display system for movies and subtitles that can be displayed.
A network connection device connectable to a network to which a caption server and a standard time distribution server are connected;
A management device and a wireless LAN parent device connected to the network connection device;
A slave unit communicable with the wireless LAN master unit, comprising a main portable device and a secondary portable device accessible to the caption server and the standard time distribution server;
The subtitle server stores a subtitle data set of a movie, and the movie start time can be saved.
The management device can access the standard time distribution server and adjust the time of the internal clock to the current time,
The main portable device can access the standard time distribution server to synchronize the time of the internal clock with the current time, and can store an arbitrarily set start time of the movie on the subtitle server And
The slave portable device is provided with one or a plurality of devices, each of which can access the standard time distribution server and adjust the time of the internal clock to the current time, and can access the subtitle server to generate a subtitle data set. It can be downloaded, and the screening start time saved in the caption server can be stored and retained.
The movie / subtitle synchronized display system, wherein when the management device starts showing a movie at a show start time, the slave portable device starts displaying subtitles based on the downloaded subtitle data set. The subtitle server stores a plurality of types of subtitle data sets in Japanese language,
2. The movie / subtitle synchronized display system according to claim 1, wherein the sub-portable device is capable of downloading the subtitle data set in a desired language by accessing the subtitle server. The subtitle server can store a subtitle display timing correction offset value,
The main portable device is capable of correcting the subtitle display timing based on the time of the internal clock with an arbitrarily set subtitle display timing correction offset value and storing the offset value in the subtitle server,
The slave portable device can access the subtitle server, read and store the offset value stored in the subtitle server, and correct the subtitle display timing based on the time of the internal clock by the offset value. The movie / subtitle synchronized display system according to claim 1, wherein the movie / subtitle synchronized display system is provided. The slave portable device can be added after the screening start time has elapsed,
The added slave portable device can access the standard time distribution server and set the time of the internal clock to the current time when desired after the screening start time has passed, and also access the subtitle server. The subtitle data set in the desired language can be downloaded, and the subtitle display after the subtitle to be displayed is started based on the screening start time and the subtitle display timing correction offset value stored in the subtitle server. 4. The movie / caption synchronized display system according to claim 2 or 3, wherein:   5. The movie / subtitle according to claim 1, wherein the management device is capable of storing an arbitrarily set start time of the movie in the caption server. 6. Synchronous display system. A subtitle of a movie projected on a screen installed in a space where a plurality of people can watch a movie at the same time is transferred to a portable device based on subtitle data downloaded from a subtitle server connected to the network in synchronization with the progress of the movie. A synchronized display system for movies and subtitles that can be displayed.
A network connection device connectable to a network to which a caption server and a standard time distribution server are connected;
A wireless LAN base unit connected to the network connection device;
A slave unit communicable with the wireless LAN master unit, comprising a main portable device and a secondary portable device accessible to the caption server and the standard time distribution server;
The subtitle server stores a subtitle data set of a movie, and the movie start time can be saved.
The main portable device can access the standard time distribution server to synchronize the time of the internal clock with the current time, and can store an arbitrarily set start time of the movie on the subtitle server And
The slave portable device is provided with one or a plurality of devices, each of which can access the standard time distribution server and adjust the time of the internal clock to the current time, and can access the subtitle server to generate a subtitle data set. It can be downloaded, and the screening start time saved in the caption server can be stored and retained.
The movie / subtitle synchronized display system, wherein the sub-portable device starts displaying subtitles based on the downloaded subtitle data set at the start time of the screening.

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