JP2004179696A - Broadcast system, and broadcast transmitter and receiver utilizable therein - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a technique for broadcasting user-friendly programs. <P>SOLUTION: In the broadcast transmitter 100, a program data input unit 110 acquires program data constituting programs. A character data input unit 120 acquires character data concerning characters shown on a display screen of a viewer, together with a program. A sender 170 sends out broadcast data containing the program data and the character data. The action of the character is controlled so that at least a part thereof is an action synchronous with the contents of the program shown, together with the character. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a broadcasting system, and in particular, to a broadcasting system using digital data broadcasting, a broadcast transmitting device usable in the system, and a broadcast receiving device usable in the system.
[0002]
[Prior art]
From the end of 2000, a BS digital broadcasting service was started as a new broadcasting service. In BS digital broadcasting, a “data broadcasting” service is provided in addition to a conventional program broadcasting composed of moving images and sounds. In data broadcasting, multimedia information such as characters, still images, and moving images is transmitted using a part of the band of a broadcast wave, and is displayed on a television receiver of a viewer. Using this data broadcasting service, it has become possible to distribute various contents in addition to program broadcasting, and the degree of freedom of expression has been dramatically increased. In data broadcasting, BML (Broadcast Markup Language), which is a subset of XML, is adopted as a data description language by a standard, and various contents are described and distributed using a BML document.
[0003]
In BS digital broadcasting, a program using a bidirectional communication function capable of acquiring an input signal from a viewer is also provided. In a two-way communication program, a signal input by a viewer via an input interface such as a remote controller is obtained through a server or the like, for example, by allowing the viewer to participate in a quiz in a quiz program, It is possible to obtain a questionnaire response from a viewer. With this two-way communication function, a broadcasting station and a program creator are given an opportunity to obtain information directly from a viewer more easily and quickly than before.
[0004]
[Patent Document 1]
JP 2001-345954 A
[0005]
[Problems to be solved by the invention]
In this way, new technologies have been introduced into broadcasting services, and what could not be realized with conventional broadcasting services has become feasible.Now, unique and completely new forms of programs that take advantage of these new technologies have emerged. Be expected.
[0006]
Then, an object of the present invention is to provide a broadcasting system which can solve the above-mentioned problems. This object is achieved by a combination of features described in the independent claims. The dependent claims define further advantageous embodiments of the present invention.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, one embodiment of the present invention relates to a broadcasting system. The broadcast system includes a broadcast transmitting device that transmits broadcast data, and a broadcast receiving device that receives the broadcast data, wherein the broadcast transmitting device obtains program data constituting a program, a first input unit, The broadcast receiving apparatus, comprising: a second input unit configured to acquire character data relating to a character displayed on a display screen of a viewer together with the program; and a transmitting unit configured to transmit broadcast data including the program data and the character data. A separating unit that separates the program data and the character data from the received broadcast data; a first processing unit that processes the program data to display the program; and a processing unit that processes the character data to display the character. A second processing unit for displaying the character data, wherein the character data includes a control program for controlling the movement of the character. The control program, at least a part of the operation of the character, so that the operation in conjunction with the contents of the program being displayed together with the character, and controls the character.
[0008]
The utterance data may be transmitted according to the program content so that the character makes an utterance related to the program content. Data such as a character image and a moving image may be transmitted in accordance with the program content so that the character makes a gesture or expression related to the program content. Also, the display position of the character may be moved to a position that does not interfere with the program. For example, the display position of the character may be controlled so that the character does not cover the face of the performer. The character may ask a question related to the program content to the viewer and obtain an answer from the viewer.
[0009]
The character data further includes utterance data for causing the character to utter, the utterance data includes a question sentence to the viewer, the control program receives an answer to the question sentence from the viewer, and receives the answer. Alternatively, the transmission may be performed using a two-way communication function. The control program may be transmitted in real time when the response is received, or may be temporarily stored in a storage device and transmitted collectively at a predetermined timing.
[0010]
The utterance data includes a question sentence for classifying a viewer, the control program receives an answer to the question sentence from a viewer, classifies the viewer based on the answer, and according to the classification. The type of character to be displayed may be determined. The broadcast transmitting device simultaneously transmits character data such as utterance sentences, images, and moving images corresponding to all types of characters, and the control program executes the character data corresponding to the characters to be displayed according to the classification of the viewer. May be selected.
[0011]
When transmitting the answer using the two-way communication function, the control program may transmit the answer at a different timing for each viewer classification. As a result, network congestion can be avoided.
[0012]
Another embodiment of the present invention relates to a broadcast transmission device. The broadcast transmitting apparatus includes: a first input unit for acquiring program data constituting a program; a second input unit for acquiring character data relating to a character displayed on a display screen of a viewer together with the program; A transmission unit for transmitting broadcast data including the character data, wherein the character data includes a control program for controlling the operation of the character, and the control program includes at least a part of the operation of the character, The character is controlled so as to operate in conjunction with the contents of the program displayed together with the character.
[0013]
Still another embodiment of the present invention relates to a broadcast receiving device. The broadcast receiving apparatus is configured to process, from the received broadcast data, program data constituting a program and character data relating to a character displayed on a display screen of a viewer together with the program, and a separation unit configured to process the program data. A first processing unit for displaying the program; and a second processing unit for processing the character data to display the character, wherein the character data includes a control program for controlling an operation of the character, The control program controls the character such that at least a part of the motion of the character is linked to the content of the program displayed together with the character.
[0014]
Still another preferred embodiment according to the present invention relates to a computer program. The program has a function of displaying a character on a display device based on character data included in a data broadcast transmitted together with a program broadcast, and at least a part of the operation of the character is displayed together with the character. And a function of controlling the character so as to operate in conjunction with the content of the program.
[0015]
Note that the above summary of the present invention does not list all of the necessary features of the present invention, and a combination of these features may also be an invention. In addition, the expression of the present invention replaced with a device, a method, a system, and a computer program is also effective as an aspect of the present invention.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described through embodiments of the present invention. However, the following embodiments do not limit the invention according to the claims, and a combination of features described in the embodiments. Not all are essential to the solution of the invention.
[0017]
FIG. 1 shows an overall configuration of a broadcast system 10 according to the first embodiment. In broadcast system 10 of the present embodiment, broadcast transmitting apparatus 100 uses character data for displaying characters on display device 300 of viewer 30 in addition to program data constituting a normal program, using data broadcasting. And send. This character is controlled by a program described by a script in a BML document used for data broadcasting, and moves around on the screen of the display device 300 and speaks to the viewer. It plays a role in impressing and engaging viewers. The broadcast station or program creator asks a question to the viewer using the character's utterance function, and obtains an answer from the viewer using the two-way communication function, thereby obtaining the viewer's personality and taste. Information is collected, and the audience is classified based on the information. In addition, by controlling the type and behavior of the character displayed on the display device 300 of the viewer in accordance with the collected information of the viewer, the character can be customized, and the character can be grown by the behavior of the viewer with respect to the character. And give the viewer the pleasure of raising the character.
[0018]
2. Description of the Related Art Conventionally, techniques for using a personified character to provide a friendly user interface have been proposed. For example, Japanese Patent Application Laid-Open No. 2001-345954 discloses that when a user of a mobile phone exchanges information with a center server that provides an information processing service, a pet virtually bred by the user is individually assigned to the user. Disclose technology for responding to requests. In the above publication, in a communication mode premised on two-way communication using the Internet or the like, a character mediates the communication, and the server can individually process requests of individual users. However, the technology described in the present embodiment is completely different from the above-mentioned publication, and originally, in the field of broadcasting on the premise of mass communication that distributes the same program to unspecified viewers all at once, This is to present a character that can interact with the character. By providing such a character, it is possible not only to give the viewer familiarity, but also to give the viewer the feeling of watching the program while interacting with friends. Also, by changing or growing the appearing characters, it is possible to give the viewer the pleasure of expecting which characters will appear.
[0019]
In the broadcast system 10, broadcast data constituting a BS digital broadcast program is subjected to modulation processing by a broadcast transmission device 100 in a modulation method suitable for satellite broadcast, and transmitted as a broadcast wave of a predetermined frequency from an antenna (not shown). This broadcast wave is received by an antenna (not shown) of the viewer 30 via the satellite 50. The received broadcast data is processed by a set-top box 200 as an example of a broadcast receiving device, and a program and characters included in the broadcast data are displayed on a display device 300 such as a television receiver, and the corresponding audio is displayed. Is output from the built-in speaker of the display device 300.
[0020]
Data inputted by a viewer who is viewing a program using the bidirectional communication function to the set-top box 200 by a remote controller or the like (not shown) is transmitted to a center server of the bidirectional center 40 via a telephone network 60 as an example of a network. 400. At present, the two-way communication function is available only to viewers who have previously registered as a member in the two-way center 40, and the member information of the viewer registered at the time of member registration is held in the member information database 500. . This member information is provided to the broadcasting station 20 or the like as needed. At present, communication between the viewer 30 and the interactive center 40 is performed via the telephone network 60, but may be performed via any network such as the Internet.
[0021]
The data input by the viewer is collectively received by the center server 400, and then provided via the network 70 to the data management device 600 of the broadcasting station 20 that broadcasts the interactive communication program corresponding to the data. . The network 70 may be any communication network such as the Internet, a dedicated line, a LAN, and a WAN. The data management device 600 manages the data from the viewer, and gives an instruction to the broadcast transmission device 100 to reflect the data on the program as needed. At present, the two-way center 40 controls the two-way communication, and data from all viewers is sent to the center server 400 once. A configuration for receiving data from the remote control 30 may be employed.
[0022]
FIG. 2 shows an internal configuration of the broadcast transmitting apparatus 100. Broadcast transmitting apparatus 100 mainly includes a program data input unit 110, a character data input unit 120, a program data holding unit 130, a character data holding unit 140, a character data editing unit 150, a multiplexing unit 160, and a sending unit 170. . These configurations are realized by a CPU, a memory, a program loaded in the memory, and the like of an arbitrary computer in terms of hardware components. Here, functional blocks realized by their cooperation are illustrated. Therefore, it is understood by those skilled in the art that these functional blocks can be realized in various forms by hardware only, software only, or a combination thereof.
[0023]
The program data input unit 110 inputs program data produced by a program creator or the like. The program data is digital data composed of moving images and audio and encoded in a format such as MPEG2. The program data holding unit 130 holds the input program data. A moving image and a sound captured by a video camera or the like may be input to the program data input unit 110, converted into digital data in a format by a signal processing unit (not shown), and stored in the program data storage unit 130. The character data input unit 120 inputs data of a character created by a character data creator or the like and displayed on a screen of a viewer's display device. The character data includes a character control program described by a script of a BML document, data such as an image, voice, and utterance of the character, and parameters for determining the character and behavior of the character. Character data holding section 140 holds the input character data. The multiplexing unit 160 reads and multiplexes the program data and character data to be broadcast from the program data holding unit 130 and the character data holding unit 140, respectively. The transmission unit 170 adds a synchronization code, an error correction code, and the like to the multiplexed data, performs signal processing such as modulation and amplification, and then decomposes the data into a plurality of packets and transmits the packets as digital broadcast.
[0024]
In the present embodiment, at least a part of the behavior of the character defined by the character data is designed to be linked with the content of the program. The character data may be produced by the program creator based on the program content so that the character takes an action appropriately linked to the content of the program, or may be generated by the character data editor 150 with reference to the program data. May be. In the latter case, for example, characters are placed on a portion of the screen that does not hinder the progress of the program, or the content of the conversation of the program performer is recognized and analyzed to understand the content of the conversation. The utterance may be extracted from a collection of utterances prepared in advance. The character data editing unit 150 may edit the character data based on the response of the viewer acquired from the data management device 600.
[0025]
FIG. 3 shows an internal configuration of the set-top box 200. The set-top box 200 mainly includes a tuner 210 as an example of a separation unit, a signal processing unit 220, a BML browser 230, an audio processing unit 240, a video processing unit 242, a user interface 250, a CPU 260, a RAM 270, a ROM 272, and a network interface 280. , And a bus 202 for electrically connecting them. These configurations can also be realized in various forms by a combination of hardware and software.
[0026]
A broadcast wave received by an antenna (not shown) is sent to tuner 210. Tuner 210 selectively demodulates an arbitrary program and separates data packets multiplexed in the program. The signal processing unit 220 decodes program data, audio data, video data, BML data, and the like as necessary. The BML browser 230 performs a process for analyzing and displaying a BML document included in the data broadcast. The audio processing unit 240 and the video processing unit 242, which are examples of the first processing unit, respectively perform a process for outputting audio data to a speaker and a process for displaying video data on the display device 300.
[0027]
User interface 250 receives an input signal transmitted from remote controller 290 operated by a viewer. CPU 260 executes a program for controlling set-top box 200, a character control program, and the like. The CPU 260 that executes the character control program has a function of a first processing unit that processes character data and displays a character. The RAM 270 is used as a program area or a work area necessary for executing a program. The RAM 270 includes a non-volatile random-access memory (hereinafter referred to as “NvRAM”), and character parameters and answers to questions are stored in the NvRAM. The ROM 272 stores a start-up program for the set-top box 200 and the like. The network interface 280 includes a configuration such as a modem and controls communication with the center server 400 via the telephone network 60 in order to realize a two-way communication function.
[0028]
Hereinafter, the function of the character control program executed by the CPU 260 or the like of the set-top box 200 will be described with reference to a display screen.
[0029]
FIG. 4 shows a state when a character appears on the screen of the viewer's display device. The character control program causes the character to appear on the display screen of the viewer who has started viewing the program, and utters "My name is XX. Can I play with it as is?" When the viewer answers "No", the viewer utters "If you want to play, call it with a button!" And stops displaying the character screen. When the viewer answers "yes", the character is displayed on the screen as it is. When a viewer who does not display the character on the screen presses a predetermined button of the remote controller 290, the screen display of the character is restarted. When the character is displayed on the screen, the viewer can change the screen position of the character with the arrow keys.
[0030]
FIG. 5 shows a state where the character is speaking alone. The character control program extracts an utterance corresponding to the current character type of the viewer from the utterance data included in the character data, and causes the character to utter. In the example of FIG. 5, the advertisement is uttered, “The HP of BS Asahi is bs-asahi.co.jp.” By preparing a collection of utterances according to the characteristics and preferences of the viewer, it is possible to provide an effective advertisement that interests the viewer. The utterance of the character may be any type of utterance, such as solitary speech, operation explanation, and program announcement for showing the character's character and action pattern to the viewer.
[0031]
FIG. 6 shows a state where the character is speaking a sentence linked to the contents of the program. The character control program extracts an utterance corresponding to the current character type from a collection of utterances linked to the content of the program, and causes the character to utter. In the example of FIG. 6, when explaining a cooking recipe in a program, the character speaks, "It looks like a delicious dish!" Since the utterance of the character is linked to the content of the program, it is possible to give the viewer the feeling of watching the program while talking with a friend or the like. In addition to the utterance, actions such as the position, gesture, and expression of the character may be linked with the content of the program. In addition, by displaying an advertisement related to the content of the program and taking a questionnaire related to the advertisement, effective marketing can be performed.
[0032]
FIG. 7 shows a state where the character is speaking a question for categorizing the viewer. In the example of FIG. 7, the character asks, "Do you prefer playing outside than watching TV?" When the viewer answers, the character control program stores the answer in NvRAM. Then, at a predetermined timing, the responses are collectively sent to the center server 400. At present, two-way communication is performed using the telephone network 60, so that answers are collectively sent in order to reduce call charges. May send the answer to the center server 400 in real time each time. If all viewers transmit the answer to the center server 400 at the same time, a problem may occur due to network congestion. Therefore, when the viewer is classified into a plurality of categories, The response may be transmitted at a different timing every time.
[0033]
FIG. 8 shows an example of viewer classification. In the example of FIG. 8, viewers are classified into 16 types based on four parameters of “activity”, “purchasing power”, “fashion”, and “uniqueness”. For example, the audience of the category A is a group that is sensitive to the trend, has a unique sense, acts for that purpose, and has a characteristic of spending money, and creates a trend by itself. The category F is a group that is active and uses money, but is not so interested in fashion and seeks the same thing as everyone. As described above, the viewers can be classified into 16 types, the results of the questionnaire and the like for each group can be totaled, and used for marketing and the like. For example, a questionnaire survey that the audience of the category A is interested now can be used to predict a future trend.
[0034]
The character control program changes the type of the character according to the classification of the viewer. The response status of the viewer may be parameterized and stored in the NvRAM, so that the classification and character of the viewer may be determined. For example, if you answer "Yes" to the question "Do you prefer playing outside than watching TV?", Add 3 to the "activity" parameter, and if you answer "no", you will get 1 May be defined, and the classification may be determined by totalizing the parameters according to the rule. The classification may be determined based on the cumulative value of each parameter, or the classification may be determined based on the average value. For example, the classification may be determined by applying the table shown in FIG. 8 as ○ when the average value of the parameter is equal to or more than a predetermined value, and as X when the average value is less than the predetermined value. Alternatively, flags corresponding to the four parameters may be provided in the NvRAM, and the classification may be determined based on the flags.
[0035]
For example, referring to the example shown in FIG. 8, the classification of a viewer whose “activity” and “fashion” flags are “1” and whose “purchasing power” and “uniqueness” flags are “0” is It becomes "G". This flag may be changed sequentially according to the answer to the question. For example, if you answer "Yes" to the question "Do you prefer to play outside than watching TV?", Set the "action" flag to "1", and if you answer "No", set the "action" flag Is set to “0”. In this method, the classification and the character may change each time the question is answered, and the viewer can be bored and interested. The character appearing at the end of the program is regarded as the character of the viewer for the day, and a lucky character or the like is announced at the end of the program with a sense of fortune-telling, so that the change of the character can be enjoyed in conjunction with the program. However, in this method, the personality and preference of the viewer may not be correctly reflected in the classification of the viewer. Therefore, regarding the classification of the viewer to be used for marketing, the data management device 600 aggregates the answers and classifies the viewer. To determine.
[0036]
FIG. 9 shows a state in which a game for growing a character is being executed. When the viewer moves the character with the arrow keys and touches the heart-shaped figure, points are added. The character can be made to grow by changing the character and type of the character according to the acquired points. As a result, the viewer feels more attachment to the character, and an effect of improving the program rating and promoting participation in the present system can be expected.
[0037]
FIG. 10 shows the state of the character at the end of the program. In the example of FIG. 10, the character utters “Can you play again next week?”, And if the viewer answers “Yes”, a program reservation for the next week is made by EPG (Electronic Program Guide).
[0038]
As described above, according to the present embodiment, various functions of the character control program allow the viewer to be familiar with the character while using the character virtually bred by the viewer, and to increase the interest of the viewer in the character. It is possible to improve the audience rating by taking action, to provide viewers with information such as advertisements, and to obtain responses from viewers such as questionnaires. Also, membership registration for two-way communication can be promoted.
[0039]
Character data for controlling the behavior of the character is produced so that at least a part thereof is linked to the program, but the content of the program displayed together with the character does not necessarily assume the presence of the character in advance. It is not necessary. Of course, the program may be produced on the assumption that the character is linked to the character in advance. For example, the performer of the program may provide a topic about the character, but in addition, the character may be simultaneously displayed on an arbitrary program. Is possible. At this time, the creator of the character data sets the utterance and action of the character so as to synchronize with the progress of the program in consideration of the contents of the program. Then, the timetable of the program broadcast and the timetable of the data broadcast are synchronized. For example, the broadcast transmitting apparatus 100 broadcasts character data including utterance data "This dish looks delicious" during the broadcast of the food corner. Control may be performed as follows. As a result, even if a program is not originally produced with an assumption of interactivity, it is broadcast as a program having interactivity such as dialogue with a character or conducting a questionnaire by adding character data and broadcasting. be able to.
[0040]
Even if it is a live broadcast program, if the outline of the progress is determined in advance, it is possible to set the action of the character in accordance with the outline. At this time, live broadcast program data may be monitored in real time, a position where a character is to be displayed is determined using a technique such as image recognition, and the character display position may be set appropriately by the character data editing unit 150. . For example, the position of a performer in a live broadcast may be acquired by image processing, and the character data may be edited and broadcast so that the character is displayed at a position other than that position.
[0041]
Although the present invention has been described based on the embodiments, the technical scope of the present invention is not limited to the scope described in the above embodiments. The above embodiment is an exemplification, and it is understood by those skilled in the art that various modifications can be made to the combination of each component and each processing process, and that such modifications are also within the scope of the present invention. is there.
[0042]
As an example of such a modification, the character may not only be displayed in the broadcast of one program, but also be broadcast using the same character in cooperation with another program. In addition, the character may be brought up by using a mobile phone in conjunction with another communication service such as the Internet, and the data may be linked so that the grown up character can be used in program broadcasting.
[0043]
【The invention's effect】
According to the present invention, it is possible to provide a technique for performing user-friendly program broadcasting. Further, according to the present invention, it is possible to provide a technology for efficiently collecting information of a viewer.
[Brief description of the drawings]
FIG. 1 is a diagram showing an overall configuration of a broadcasting system according to an embodiment.
FIG. 2 is a diagram showing an internal configuration of a broadcast transmitting apparatus according to an embodiment.
FIG. 3 is a diagram showing an internal configuration of the set-top box according to the embodiment.
FIG. 4 is a diagram showing a state when a character appears on a screen of a viewer's display device.
FIG. 5 is a diagram showing a state where a character is speaking alone.
FIG. 6 is a diagram showing a state in which a character is speaking a sentence linked to the contents of a program.
FIG. 7 is a diagram illustrating a state in which the character is speaking a question for classifying viewers.
FIG. 8 is a diagram illustrating an example of classification of viewers.
FIG. 9 is a diagram illustrating a state in which a game for growing a character is being executed.
FIG. 10 is a diagram showing a state of a character at the end of a program.
[Explanation of symbols]
10 broadcast system, 100 broadcast transmission device, 110 program data input unit, 120 character data input unit, 130 program data holding unit, 140 character data holding unit, 150 character data editing unit, 160 multiplexing unit, 170 sending unit, 200 sets Top box, 210 tuner, 220 signal processing unit, 230 BML browser, 240 audio processing unit, 242 video processing unit, 250 user interface, 280 network interface, 290 remote controller, 300 display device, 400 center server, 500 member information database, 600 Data management device.

Claims (7)

A broadcast transmitting device for transmitting broadcast data,
A broadcast receiving device that receives the broadcast data,
The broadcast transmission device,
A first input unit for acquiring program data constituting a program;
A second input unit for acquiring character data relating to a character displayed on a display screen of a viewer together with the program;
A transmitting unit for transmitting broadcast data including the program data and the character data,
The broadcast receiving device,
From the received broadcast data, a separation unit that separates the program data and the character data,
A first processing unit that processes the program data and displays the program;
A second processing unit that processes the character data to display the character,
The character data includes a control program for controlling the movement of the character,
A broadcast system, wherein the control program controls the character such that at least a part of the motion of the character is an operation linked to the content of the program displayed together with the character. The character data further includes utterance data for causing the character to utter,
The utterance data includes a question sentence to the viewer,
The broadcasting system according to claim 1, wherein the control program receives an answer to the question sentence from a viewer, and transmits the answer using a two-way communication function. The utterance data includes a question sentence for classifying a viewer,
3. The control program according to claim 2, wherein the control program receives an answer to the question sentence from a viewer, classifies the viewer based on the answer, and determines a type of a character to be displayed according to the classification. Broadcast system as described. 4. The broadcast system according to claim 3, wherein when transmitting the response using the two-way communication function, the control program transmits the response at a different timing for each viewer classification. 5. A first input unit for acquiring program data constituting a program;
A second input unit for acquiring character data relating to a character displayed on a display screen of a viewer together with the program;
A transmitting unit for transmitting broadcast data including the program data and the character data,
The character data includes a control program for controlling the movement of the character,
The broadcast transmission device, wherein the control program controls the character such that at least a part of the motion of the character is an operation linked to the content of the program displayed together with the character. From the received broadcast data, a separation unit that separates program data constituting a program and character data relating to characters displayed on a display screen of a viewer together with the program,
A first processing unit that processes the program data and displays the program;
A second processing unit that processes the character data to display the character,
The character data includes a control program for controlling the movement of the character,
The broadcast receiving device according to claim 1, wherein the control program controls the character such that at least a part of the motion of the character is linked to the content of the program displayed together with the character. On the computer,
A function of displaying characters on a display device based on character data included in a data broadcast transmitted together with a program broadcast;
A function of controlling the character so that at least a part of the operation of the character is linked to the content of the program displayed together with the character;
The program that realizes.

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