JP2021061526A - Subtitle conversion device, content distribution system, program, and content distribution method - Google Patents

Abstract

To generate a subtitle for other languages other than Japanese with good accuracy without having any special features in the distribution side that generates a subtitle and a viewing terminal side that views a content.SOLUTION: A translation subtitle generating device includes a separation portion that separates content data into at least video data and subtitle data including a Japanese subtitle text, a translation source text generation portion that concatenates a plurality of Japanese subtitle texts into predetermined translation units and generates a translation source text by detecting a predetermined delimiter included in the Japanese subtitle text, a transmission portion that sends the translation source text to a translation device that translates Japanese into one or more languages, at least one or more receiving portions that receive a translation text corresponding to the translation source text from the translation device, and a distribution content data generation portion that divides the translation text into predetermined subtitle units, generates translation subtitle data, and generates distribution content data corresponding to at least one or more languages, which includes the video data and the translation subtitle data.SELECTED DRAWING: Figure 2

Description

The present invention relates to a subtitle conversion device, a content distribution system, a program, and a content distribution method, and more particularly to a processing technique for translating Japanese subtitles into another language.

In recent years, television programs have been required to broadcast subtitles as a service for the hearing impaired. On the other hand, with globalization, the number of cases where foreigners watch Japanese content is increasing. This is especially true for video distribution services via the Internet rather than broadcasting.

As a multilingual service for subtitles, for example, there is a technique described in Patent Document 1. In the technique described in Patent Document 1, the television receiver separates the subtitle data from the video or acquires the URL of the subtitle, transmits the subtitle data to the translation server, and translates the subtitle into a desired language. The television receiver is configured to receive and display the translated subtitles.

Special Table 2005-521346

The technique described in Patent Document 1 requires a special function in the television receiver (viewing terminal) because the television receiver performs translation processing and processing for displaying the translated subtitles. ..

On the other hand, it is conceivable that the distribution side will generate subtitles corresponding to languages other than Japanese, but highly accurate translation requires a lot of labor and cost.

Therefore, an object of the present invention is to generate subtitles corresponding to other languages other than Japanese with high accuracy without having a distribution side for generating subtitles and a viewing terminal side for viewing contents having a special function. The purpose of the present invention is to provide a subtitle conversion device, a content distribution system, a program, and a content distribution method.

One aspect of the present invention is to detect at least a separation unit that separates the content data into video data and subtitle data including Japanese subtitle text, and a predetermined delimiter included in the Japanese subtitle text. The translated original text is connected to a translated original text generator that connects a plurality of Japanese subtitle texts into a predetermined translation unit to generate the translated original text, and a translation device that translates Japanese into at least one desired language. And the receiving unit that receives the translated text corresponding to the translated original text from the translation device, the translated text is divided into predetermined subtitle units, the translated subtitle data is generated, and the video data is generated. The subtitle conversion device includes a distribution content data generation unit that generates distribution content data corresponding to at least one language, including at least the translated subtitle data.

One aspect of the present invention is a translation device that receives a Japanese text and translates it into at least one language, a conversion device that converts TV broadcast content data into distribution content data, and the distribution content data. The conversion device includes a viewing terminal for receiving and viewing the content, and the conversion device includes a separation unit that separates the content data for television broadcasting into at least video data and subtitle data including Japanese subtitle text, and the Japanese. By detecting a predetermined delimiter included in the subtitle text, a plurality of Japanese subtitle texts are concatenated into a predetermined translation unit to generate a translation original text, and the translation original text is generated by the translation original text generation unit. The transmitting unit that transmits to the translation device, the receiving unit that receives the translated text corresponding to the translated original text from the translation device, and the translated text are divided into predetermined subtitle units to generate translated subtitle data, and the translation subtitle data is generated. A distribution content data generation unit that generates distribution content data corresponding to at least one language, including at least video data and the translated subtitle data, and a distribution unit that distributes the distribution content data to the viewing terminal. It is a content distribution system provided.

A plurality of aspects of the present invention are obtained by separating the content data into at least video data and subtitle data including Japanese subtitle text, and detecting a predetermined delimiter included in the Japanese subtitle text. The process of concatenating the Japanese subtitle texts of the above into predetermined translation units to generate the translated original text, and the process of transmitting the translated original text to a translation device that translates Japanese into at least one desired language. , The process of receiving the translated text corresponding to the translated original text from the translation device, the translation text is divided into predetermined subtitle units, the translated subtitle data is generated, and the video data and the translated subtitle data are at least It is a program that causes a computer to execute a process of generating distribution content data corresponding to at least one or more languages, including.

One aspect of the present invention separates the content data into at least video data and subtitle data including Japanese subtitle text, and detects a predetermined delimiter included in the Japanese subtitle text to detect a plurality of Japan. The translated original text is transmitted to a translation device that concatenates the word subtitle text into a predetermined translation unit, generates a translated original text, and translates Japanese into at least one desired language, and the translation device transmits the translated original text. The translated text corresponding to the translated original text is received, the translated text is divided into predetermined subtitle units, translated subtitle data is generated, and the video data and the translated subtitle data are included in at least one language. This is a content distribution method that generates corresponding distribution content data and distributes the distribution content data to the viewing terminal.

INDUSTRIAL APPLICABILITY According to the present invention, it is possible to generate subtitles corresponding to other languages other than Japanese with high accuracy without the distribution side for generating subtitles and the viewing terminal side for viewing contents having special functions.

FIG. 1 is a diagram showing an overall configuration example of the content distribution system according to the present embodiment. FIG. 2 is a block diagram showing a functional configuration example of the translated subtitle generation device 1. FIG. 3 is a diagram for explaining the operation of the translated subtitle generation device 1. FIG. 4 is a diagram showing an example in which the distribution video (Japanese subtitles) in the present embodiment is viewed by the viewing terminal 3. FIG. 5 is a diagram showing an example in which the distribution video (English subtitles) in the present embodiment is viewed by the viewing terminal 3. FIG. 6 is a diagram for explaining the selection of the subtitle language in the viewer terminal 3. FIG. 7 is a diagram for explaining a modified example of the embodiment. FIG. 8 is a block diagram of the translated subtitle generator 1 configured by the computer system.

Embodiments of the present invention will be described.

FIG. 1 is a diagram showing an overall configuration example of the content distribution system according to the present embodiment. As shown in FIG. 1, the distribution system includes a translation subtitle generation device 1, a translation server 2, a viewer's viewing terminal 3, and a communication line 4. The translation subtitle generation device 1 and the translation server 2, the translation subtitle generation device 1 and the viewing terminal 3 can be connected to the communication line 4 and can communicate with each other.

The communication line 4 means a communication path capable of data communication. That is, the communication line 4 includes a telephone communication network, a cable network, a communication network such as the Internet, as well as a LAN by a dedicated line (dedicated cable) for direct connection and Ethernet (registered trademark), and the communication method is wired. / Regardless of wireless.

The translation subtitle generation device 1 is a server system including a single server device, a plurality of server devices, a storage device, and the like. The translation subtitle generator 1 cooperates with the translation server 2 to translate Japanese subtitles into other languages (English, Chinese, Korean, etc.) using Web API (Web Application Programming Interface), etc., and has translated subtitles. The video is distributed to the viewing terminal 3.

The translation server 2 translates the Japanese text transmitted from the translated subtitle generator 1 into the instructed language, and transmits the translated text to the translated subtitle generator 1. The translation server 2 not only has a function of one server translating a plurality of languages, but may also provide a translation server for each language to be translated.

The viewing terminal 3 is a terminal that supports a method such as HTTP Live Streaming (HLS) and can watch a moving image with subtitles, and is connected to a communication line 4 via a wireless communication base station or the like to generate a translated subtitle generator 1. Can perform data communication with. The viewing terminal 3 is, for example, a smartphone, a mobile phone, a portable game device, a stationary home-use game device, a business-use game device, a personal computer, a tablet computer, a controller of a stationary home-use game device, or the like. Basically, there are a plurality of player terminals 1, and each player operates them.

Next, the configuration of the translated subtitle generation device 1 will be described. FIG. 2 is a block diagram showing a functional configuration example of the translated subtitle generation device 1.

The translation subtitle generation device 1 includes a separation unit 11, a translation original text generation unit 12, a translation original text transmission unit 13, a translation text reception unit 14, and a distribution content data generation unit 15.

The separation unit 11 receives the content file of the terrestrial digital broadcasting. The content file can include a video file in which subtitles are not superimposed on the video (hereinafter, may be referred to as "original video file"), an audio file, and ancillary data (Ancillary). Ancillary data includes subtitle data. The subtitle data includes text (character string) superimposed on the video, display timing of each character string (PTS: display start timing and display end timing), display position of each character string (position in the video), and the like. The subtitle data may indicate the character string, display timing, display position, and the like for each of a plurality of video formats in which at least one of the resolution and the aspect ratio is different from each other. Examples of the video format include HD (high definition video), SD (standard definition television), One Seg (mobile phone), and the like.

The separation unit 11 separates the subtitle data from the ancillary data and outputs the subtitle data to the translation original text generation unit 12. Further, the separation unit 11 outputs the video file and the audio file to the distribution content data generation unit 15.

The translated original text generation unit 12 has a function of buffering the subtitle data. The translation original text generation unit 12 connects a plurality of Japanese subtitle texts into a predetermined translation unit by detecting a predetermined delimiter included in the subtitle text separated from each ancillary data, and translates the original text text. To generate. The predetermined delimiter is typically a punctuation mark ("." Or "."), But is not limited to this. For example, a colon (:), a semicolon (;), an exclamation mark (!), A question mark (?), Etc. may be used. The predetermined translation unit is, for example, one sentence (one sentence) ending with a punctuation mark (.). The translation original text generation unit 12 generates, for example, a translation original text by detecting a punctuation mark (.) To convert each subtitle text divided into a plurality of sentences into one sentence (one sentence). At this time, the translation ID that identifies the translation original text and the information regarding the PTS of the concatenated subtitles are included in the translation original text and output to the translation original text transmission unit 13. The predetermined translation unit is not limited to one sentence (one sentence), and may be a phrase unit that makes sense to some extent.

The translation original text transmission unit 13 transmits the translation original text including the translation ID to the translation server 2. The translation server 2 for transmission is a translation server corresponding to the language for translating the subtitle text. For example, if you want to translate Japanese subtitles into English subtitles, send it to a translation server that translates from Japanese to English. At this time, it may be transmitted to each translation server 2 corresponding to the translation language at the same time. For example, it may be transmitted to each translation server 2 that supports translation of English, Chinese, and Korean. In this way, multilingual translation can be performed in parallel from one translated original text.

The translated subtitle text receiving unit 14 receives the translated translated subtitle text corresponding to the transmitted translated original text.

The distribution content data generation unit 15 receives the video file and the audio file from the separation unit 11, and receives the translated subtitle text from the translated text receiving unit 14. The distribution content data generation unit 15 converts the video file and the audio file into a method such as HTTP Live Streaming (HLS).

In addition, the distribution content data generation unit 15 converts the received translated subtitle text into a subtitle format such as Web Video Text Tracks (WebVTT). Here, since the translated subtitle text is one sentence (one sentence), it is necessary to divide it into a plurality of sentences. The easiest way is to divide it into Japanese subtitle texts that correspond to the translated subtitle texts. For example, when the translated source text corresponding to the translated subtitle text is generated from the subtitle text corresponding to three PTSs, the translated subtitle text is divided into three so that one word is not interrupted in the middle. At this time, it is preferable to determine in advance the number of texts (number of character strings) corresponding to one PTS.

Subsequently, the operation of the translated subtitle generation device 1 will be described. FIG. 3 is a diagram for explaining the operation of the translated subtitle generation device 1. In the following explanation, an example of translating Japanese subtitles into English subtitles will be described, but the present invention is not limited to this, and other languages (for example, Chinese, Korean, etc.) can be processed in parallel. Needless to say.

The translation subtitle generation device 1 receives the content file of the terrestrial digital broadcasting. The content file can include a video file in which subtitles are not superimposed on the video, an audio file, and ancillary data. Ancillary data includes subtitle data. The subtitle data includes at least a character string superimposed on the video and a display timing (PTS: display start timing and display end timing) of each character string. However, the display position (position in the image) of each character string may be included.

The separation unit 11 separates the subtitle data from the ancillary data and outputs the subtitle data to the translation original text generation unit 12. The example of FIG. 3 shows three subtitle data acquired from three ancillary data. In the example of FIG. 3, there are three subtitle data (subtitle text "this system," PTS: 00: 00-05: 05), (subtitle text "using translation service", PTS: 00: 05-. 00:10) and (subtitle text "Translate Japanese subtitles into English.", PTS: 00: 10-00: 15). On the other hand, the separation unit 11 outputs the video file and the audio file to the distribution content data generation unit 15.

The translation original text generation unit 12 receives the subtitle data from the separation unit 11, detects a punctuation mark (.) From the subtitle text, and converts a plurality of subtitle texts into one sentence (one sentence). The process of converting into one sentence (one sentence) is performed for each detected punctuation mark (.). For example, in the example of FIG. 3, there are three subtitle data (subtitle text "This system is", PTS: 00: 00-00: 05), (subtitle text "using translation service", PTS: 00. : 05-00: 10) and (subtitle text "Translate Japanese subtitles into English.", PTS: 00: 10-00: 15), the subtitle text "Translate Japanese subtitles into English." , A punctuation mark (.) Is detected. The two subtitle texts "This system," before the punctuation mark (.) Is detected, and the subtitle text "Using the translation service" are the subtitle text "Translate Japanese subtitles into English" with the punctuation mark (.) Detected. It is the text of the phrase that becomes one sentence. Therefore, these subtitle texts are converted into one sentence (one sentence), and the original translated text "This system uses a translation service to translate Japanese subtitles into English." Is generated.

The translated original text generation unit 12 attaches a translation ID that identifies the translated original text to the translated original text that has been converted into one sentence (one sentence), and outputs the translated original text to the translated original text transmitting unit 13. In the example of Fig. 3, the translated original text "This system uses the translation service to translate Japanese subtitles into English." With the translation ID "100" is added to the translated original text "100: Book." The system uses the translation service to translate Japanese subtitles into English. ”Is output to the translated original text transmission unit 13.

Further, the translation original text generation unit 12 associates the translation ID with the PTS of the subtitle text that is the source of the translation original text and outputs it to the distribution content data generation unit 15. For example, (100, PTS: 00: 00-00: 05, PTS: 00: 05-00: 10, PTS: 00: 10-00: 15).

The translation original text transmission unit 13 transmits the translation original text with the translation ID to the translation server 2 corresponding to the language to be translated. In the example of FIG. 3, the translation original text "100: This system uses the translation service to translate Japanese subtitles into English." Is transmitted to the English translation translation server 2.

The translation server 2 receives the translated original text with the translation ID, translates the translated original text, and transmits the translated original text to the translated subtitle generator 1. In the example of Fig. 3, "100: This system translates Japanese subtitles into English using a translation service." Is translated into English "100: This system translates Japanese subtitles into English using a translation service." , And the translated subtitle text is transmitted to the translated subtitle generator 1.

The translated subtitle text receiving unit 14 receives the translated text from the translation server 2. In the example of FIG. 3, "100: This system translates Japanese subtitles into English using a translation service." Is received and output to the distribution content data generation unit 15.

The distribution content data generation unit 15 associates the PTS corresponding to the translation ID attached to the received translation text with the subtitle translation text. In the example of FIG. 3, the PTS corresponding to the translation ID “100” is (100, PTS: 00: 00-00: 05, PTS: 00: 05-00: 10, PTS: 00: 10-00: 15). Is. Therefore, the distribution content data generation unit 15 is like (This system translates Japanese subtitles into English using a translation service. 00: 00-00: 05,00: 05-00: 10,00: 10-00: 15). Is associated with the subtitle translation text and PTS.

Next, the distribution content data generation unit 15 converts the video file and the audio file received from the separation unit 11 into a method such as HTTP Live Streaming (HLS). In addition, the distribution content data generation unit 15 converts the subtitle translation text into a subtitle format such as Web Video Text Tracks (WebVTT). Below is an example of converting translation text (This system translates Japanese subtitles into English using a translation service. 00: 00-00: 05,00: 05-00: 10,00: 10-00: 15) to WebVTT. Shown in.
00: 00-> 00:05
This system translates
00: 05-> 00:10
Japanese subtitles into English
00: 10-> 00:15
using a translation service.
In the above example, the translation text "This system translates Japanese subtitles into English using a translation service." In order to correspond to 15), it is divided into three parts. Although it is a method of division, any method may be used as long as one word is not interrupted in the middle. For example, the number of texts (number of character strings) corresponding to one PTS may be determined in advance.

In this way, the distribution content data generation unit 15 generates content data for distribution and transmits it to the viewing terminal 3.

FIG. 4 is a diagram showing an example in which the distribution video (Japanese subtitles) in the present embodiment is viewed by the viewing terminal 3, and FIG. 5 is a diagram showing the distribution video (English subtitles) in the present embodiment in the viewing terminal 3. It is a figure which showed the example at the time of viewing by.

In the example of FIG. 4, the subtitle text "This system is" is displayed at 00: 00-00: 05, "Using the translation service" is displayed at 00: 05-00: 10, and 00: 10-. The subtitle text "Translate Japanese subtitles into English" is displayed at 00:15. On the other hand, in the example of FIG. 5, the subtitle text "This system translates" is displayed at 00: 00-00: 05, "Japanese subtitles into English" is displayed at 00: 05-00: 10, and 00: 10-00. : The subtitle text "using a translation service." Is displayed at 15:00. In this way, it can be seen that English subtitles are displayed for Japanese subtitles without delay due to translation processing.

In order to support not only English but also a plurality of other languages, the viewer terminal 3 can select the language of the subtitles. For example, as shown in FIG. 6, for the original Japanese subtitles, a selection button for selecting the subtitle language may be provided so that the subtitle language can be selected from the viewer terminal 3. At this time, the translation subtitle generation device 1 distributes the content data corresponding to the selected language.

Further, in the above-described embodiment, the PTS of the original Japanese subtitles is used as the display timing of the translated subtitles, but the present invention is not limited to this. If the original Japanese subtitles are real-time subtitles, the Japanese subtitles may be delayed from the video. Therefore, the average value of the time required to generate the real-time subtitles may be subtracted from the PTS of the original Japanese subtitles to make corrections. In this way, even if the original Japanese subtitles are delayed, the delay can be absorbed.

In this embodiment, a subtitle text in which a sentence is divided into a plurality of sentences is subjected to a predetermined translation unit (for example, one sentence (one sentence)) by using a predetermined delimiter (for example, a punctuation mark (“.” Or “.”)). )) Is generated, and the translated original text is used to translate the specified language. Therefore, the subject, modifier, and predicate are compared with the translation of each subtitle text. The relationship between the two is clarified, and a highly accurate translation can be obtained.

Further, in the present embodiment, since the display timing for displaying the translated subtitle text is adjusted by at least the time required for the translation process, it is possible to prevent a deviation in the display timing between the video and the subtitle.

Next, a modified example of the present embodiment will be described.

When the translation server 2 side can provide the divisible position information regarding the subdividable position of the translated subtitle text, the translated subtitle text of one sentence is divided into a plurality of parts by using the divisible position information.

For example, the divisible position information related to the position that can be divided in phrase units is set to "*", and the divisible position information related to the position that can be divided in word units is set to "/".

At this time, the original translated text is "This system uses the translation service to translate Japanese subtitles into English, Chinese and Korean." Then, the translated subtitle text received from the translation server 2 is as follows.
"This / system / * translates / * Japanese / subtitles / into / * English, / Chinese / and / Korean / * using / a / translation / service./"
The distribution content data generation unit 15 calculates (the total number of characters in the translated subtitle text / the number of display divisions) and determines the number of characters per division. For example, as in the above example, considering the case of dividing into three, the total number of characters of the translated subtitle text is 103 characters (including spaces), and the number of characters per division is about 35 characters (103/3). Become. Therefore, when the translated subtitle text is divided into three parts every 35 characters, the result is as follows. In addition, "+" is a division point.
"This / system / * translates / * Japanese / sub + titles / into / * English, / Chinese / and / Ko + rean / * using / a / translation / service./"
The distribution content data generation unit 15 searches for "*" for the nearest divisible position information within a predetermined x character before and after the division point "+", and sets it as the division position. If there is no "*" in the corresponding divisible position information, the nearest divisible position information "/" is searched for from the division point "+" and used as the division position.

Assuming that the predetermined x character is 10 characters, in the above example, it is as follows.
・ First division "This / system / * translates / * Japanese / sub + titles / into / *"
・ Second division "English, / Chinese / and / Ko + rean / *"
・ Third division "using / a / translation / service./"
Then, if the splittable position information and the split symbol are deleted and each PTS (00: 00-00: 05, 00: 05-00: 10,00: 10-00: 15) is made to correspond, the result is as follows. ..
・ First division "This system translates Japanese subtitles into" PTS (00: 00-00: 05)
・ Second division "English, Chinese and Korean" PTS (00:05-00:10)
・ Third division "using a translation service." PTS (00: 10-00: 15)
FIG. 7 is a diagram showing an example when the above example is viewed by the viewing terminal 3.

In this way, subtitles that are more linguistically appropriate can be displayed.

Further, the above-mentioned translation subtitle generation device 1 can be specifically realized by a computer system having a processor that performs various arithmetic processes and the like. FIG. 8 is a block diagram of the translated subtitle generator 1 configured by the computer system.

As shown in FIG. 8, the translation subtitle generator 1 includes a processor 101, a memory (ROM or RAM) 102, an input device (keyboard, mouse, touch panel, etc.) 103, a communication device 104, and a storage device (hard disk, semiconductor disk, etc.) 105. It can be configured by a computer 100 having the above.

In the translation subtitle generation device 1, the program stored in the storage device 105 is loaded into the memory 102 and executed by the processor 101, whereby the separation process 111, the translation source text generation process 112, and the translation source text transmission process 113. The translation subtitle text reception process 114 and the distribution content data generation process 115 are realized. Here, the separation process 111 corresponds to the separation unit 11, the translation original text generation process 112 corresponds to the translation original text generation unit 12, the translation original text transmission process 113 corresponds to the translation original text transmission unit 13, and the translation subtitles. The text reception process 114 corresponds to the translated text receiving unit 14, and the distribution content data generation process 115 corresponds to the distribution content data generation unit 15. The storage device 105 may be physically provided externally to the computer 100 and may be connected to the computer 100 via a network such as a LAN.

Although the present invention has been described above with reference to preferred embodiments, the present invention is not necessarily limited to the above embodiments, and can be variously modified and implemented within the scope of the technical idea.

1 Translation subtitle generator 2 Translation server 3 Viewing terminal 4 Communication line 11 Separation unit 12 Translation original text generation unit 13 Translation original text transmission unit 14 Translation subtitle text reception unit 15 Distribution content data generation unit 100 Computer 101 Processor 102 Memory 103 Input device 104 Communication device 105 Storage device

Claims (8)

A separator that separates content data into at least video data and subtitle data including Japanese subtitle text,
A translation original text generation unit that generates a translation original text by concatenating a plurality of Japanese subtitle texts into a predetermined translation unit by detecting a predetermined delimiter included in the Japanese subtitle text.
A transmitter that transmits the translated original text to a translation device that translates Japanese into at least one desired language.
A receiver that receives the translated text corresponding to the translated original text from the translation device, and
Distribution content data generation that divides the translated text into predetermined subtitle units, generates translated subtitle data, and generates distribution content data corresponding to at least one language including the video data and the translated subtitle data. A subtitle conversion device equipped with a unit. The predetermined delimiter is a punctuation mark.
The subtitle conversion device according to claim 1, wherein the predetermined translation unit is one sentence ending with one punctuation mark. The subtitle data includes time information regarding the timing of displaying the Japanese subtitle text in the video.
The subtitle according to claim 1 or 2, wherein the distribution content data generation unit adjusts the timing of displaying the translated text divided into the predetermined subtitle units so as to absorb at least the delay time required for the translation process. Conversion device. The subtitle conversion device according to claim 3, wherein the distribution content data generation unit uses the same time as the time information of the Japanese subtitle text as the timing for displaying the translated text divided into the predetermined subtitle units. The receiving unit receives the translated text including the split information indicating the splittable position of the text from the translation device, and receives the translated text.
The subtitle conversion device according to any one of claims 1 to 4, wherein the distribution content data generation unit divides the translated text into subtitle units using the division information. A translation device that receives Japanese text and translates it into at least one language, a conversion device that converts TV broadcast content data into distribution content data, and receives the distribution content data to view the content. Equipped with a viewing terminal
The conversion device is
A separation unit that separates the content data for television broadcasting into at least video data and subtitle data including Japanese subtitle text.
A translation original text generation unit that generates a translation original text by concatenating a plurality of Japanese subtitle texts into a predetermined translation unit by detecting a predetermined delimiter included in the Japanese subtitle text.
A transmitter that transmits the translated original text to the translation device, and
A receiver that receives the translated text corresponding to the translated original text from the translation device, and
Distribution content data generation that divides the translated text into predetermined subtitle units, generates translated subtitle data, and generates distribution content data corresponding to at least one language including the video data and the translated subtitle data. Department and
A content distribution system including a distribution unit that distributes the distribution content data to the viewing terminal. The process of separating the content data into at least video data and subtitle data including Japanese subtitle text,
A process of connecting a plurality of Japanese subtitle texts into a predetermined translation unit by detecting a predetermined delimiter included in the Japanese subtitle text to generate a translated original text.
The process of transmitting the translated original text to a translation device that translates Japanese into at least one desired language, and
The process of receiving the translated text corresponding to the translated original text from the translation device, and
The process of dividing the translated text into predetermined subtitle units, generating translated subtitle data, and generating distribution content data corresponding to at least one language including the video data and the translated subtitle data. A program that lets a computer run. Separate the content data into at least video data and subtitle data including Japanese subtitle text,
By detecting a predetermined delimiter included in the Japanese subtitle text, a plurality of Japanese subtitle texts are concatenated into a predetermined translation unit to generate a translated original text.
The translated original text is transmitted to a translation device that translates Japanese into at least one desired language.
The translated text corresponding to the translated original text is received from the translation device, and the translated text is received.
The translated text is divided into predetermined subtitle units, translated subtitle data is generated, and distribution content data corresponding to at least one language including the video data and the translated subtitle data is generated.
A content distribution method for distributing the distribution content data to the viewing terminal.

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