JP2015069368A - Communication terminal, management server, message exchange system, message exchange method, and message exchange program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a communication terminal configured to present an avatar which effectively represents the content of message exchange, to a user in an application which exchanges messages in a non-synchronous manner.SOLUTION: A communication terminal 1 includes: an avatar DB 21 which stores display data and display conditions corresponding to each of expressions of an avatar; a receiving unit 11 which receives an input of a message to be transmitted to the other terminal; an acquisition unit 12 which acquires environment information for transmitting the message to the other terminal; a determination unit 13 which determines an expression that the data included in the message and environment information satisfy the display conditions, out of the expressions; a transmission unit 14 which extracts the display data corresponding to the determined expression and transmits it together with the message to the other terminal; a receiving unit 15 which receives the message and the display data from the other terminal; and a display control unit 16 which displays the avatar based on the display data, in association with the received message.

Description

  The present invention relates to a communication terminal, a management server, a message exchange system, a message exchange method, and a message exchange program that exchange messages asynchronously.

  Conventionally, an application or service for exchanging messages among a plurality of users via the Internet has been provided. Moreover, in the communication on a network, what displays the information relevant to an exchange message, for example, the avatar which is a character as a user's alternation, is utilized.

For example, Patent Literature 1 proposes a technique for annotating a document with an avatar and making a defined expression in order to promote communication between two users regarding the document.
Patent Document 2 proposes a technique that enables a message to be transmitted to the other user with a sense of reality, such as a virtual space avatar bowing to the other user in accordance with the input chat message. ing.
Further, Patent Document 3 proposes a technique for linking and displaying an instant message and an online document in a chat window of an instant messaging service.

Japanese Patent Application Laid-Open No. 11-312159 Japanese Patent Laid-Open No. 2001-160021 JP2013-131221A

  However, it is difficult to express effective related information according to the contents of message exchange in a communication tool in which a plurality of users such as messenger exchange messages asynchronously.

  The present invention relates to a communication terminal, a management server, a message exchange system, a message exchange method, and a message exchange capable of presenting related information effectively expressing the contents of message exchange to an other user in an application for exchanging messages asynchronously. The purpose is to provide a program.

  The communication terminal according to the present invention includes display data corresponding to each of a plurality of avatar expressions provided in association with a user, an avatar storage unit that stores display conditions, and an input of a message to be transmitted to another user's terminal. An accepting unit that accepts, an acquiring unit that acquires environment information when transmitting to the terminal of the other user, and the data and the environment information included in the message among the plurality of expressions satisfy the display condition A determination unit that determines one or a plurality of expressions, a transmission unit that extracts display data corresponding to the expressions determined by the determination unit, and transmits the display data to the other user's terminal together with the message; and A receiving unit that receives a message and the display data from a terminal, and a message received in association with the message received by the receiving unit. Comprising a display control unit for displaying the avatar based on the display data, the.

  The environment information may include a transmission date and time of the message.

  The environment information may include a message exchange frequency with the transmission destination of the message.

  The transmission unit may transmit a plurality of display data together with display conditions in the terminal of the other user.

  The display condition on the terminal of the other user may be a condition of date and time when the message is browsed.

  The management server according to the present invention is a server that manages asynchronous message exchange between a plurality of communication terminals, and stores display data and display conditions corresponding to a plurality of expressions of avatars provided in association with users. Receiving the avatar storage unit, the message input in the communication terminal on the transmission side, and the environment information in the communication terminal on the transmission side, and the data included in the received message and the environment information among the plurality of expressions Determining one or more expressions satisfying the display condition, and extracting display data corresponding to the expression determined by the determination part, and transmitting the data together with the message to the receiving communication terminal, A transmission unit that displays an avatar based on display data received together with a message in a communication terminal on the reception side.

  A message exchange system according to the present invention includes a plurality of communication terminals and a management server that manages asynchronous message exchange between the plurality of communication terminals, and a plurality of avatars provided in association with a user. Display data corresponding to each expression, and an avatar storage unit that stores display conditions, a reception unit that receives an input of a message to be transmitted to a reception side communication terminal in a transmission side communication terminal, and a transmission side communication terminal An acquisition unit that acquires environment information, a determination unit that determines one or more expressions in which the data included in the message and the environment information satisfy the display condition among the plurality of expressions, and the determination unit A transmission unit that extracts display data corresponding to the determined expression and transmits the display data to the receiving communication terminal together with the message A receiving unit for receiving the message and the display data by the communication terminal on the receiving side, a display control unit for displaying an avatar based on the display data received together with the message in association with the message received by the receiving unit; Is provided.

  The message exchange method according to the present invention is an asynchronous message exchange method between a plurality of communication terminals, wherein the plurality of communication terminals display data corresponding to a plurality of expressions of avatars provided in association with a user. And a reception step of storing display conditions and receiving an input of a message to be transmitted to the reception side communication terminal in the transmission side communication terminal; an acquisition step of acquiring environment information in the transmission side communication terminal; Among the expressions, a determination step for determining one or a plurality of expressions in which the data included in the message and the environment information satisfy the display condition, and display data corresponding to the expressions determined in the determination step are extracted. Transmitting the message together with the message to the receiving communication terminal; and the receiving communication terminal A receiving step of receiving the message and the display data, in association with the message received at said receiving step, performing a display step of displaying the avatar based on the display data received together with the message, the.

  The message exchange program according to the present invention is a program for exchanging messages asynchronously between a plurality of communication terminals, wherein the plurality of communication terminals are respectively associated with a plurality of expressions of avatars provided in association with users. A reception step of storing corresponding display data and display conditions, and receiving an input of a message to be transmitted to the reception side communication terminal in the transmission side communication terminal; and an acquisition step of acquiring environment information in the transmission side communication terminal; A determination step of determining one or a plurality of expressions in which the data and the environment information included in the message satisfy the display condition among the plurality of expressions, and a display corresponding to the expression determined in the determination step A transmission step of extracting data and transmitting the data together with the message to the receiving communication terminal; A receiving step in which the communication terminal on the receiving side receives the message and the display data, and a display step for displaying the avatar based on the display data received together with the message in association with the message received in the receiving step. Let

  According to the present invention, in an application that exchanges messages asynchronously, related information that effectively expresses the contents of message exchange is presented to the other user.

It is a block diagram which shows the function structure of the communication terminal which concerns on embodiment. It is a figure which shows the example of a screen display in the communication terminal of the receiving side which concerns on embodiment. It is a figure which shows the example of a screen display in the communication terminal of the transmission side which concerns on embodiment. It is a flowchart which shows the transmission process of the message which concerns on embodiment. It is a flowchart which shows the reception process of the message which concerns on embodiment. It is a flowchart which shows the notification process of the presence information which concerns on embodiment.

Hereinafter, an example of an embodiment of the present invention will be described.
FIG. 1 is a block diagram illustrating a functional configuration of the communication terminal 1 according to the present embodiment.
The communication terminal 1 includes a control unit 10, a storage unit 20, an input unit 30, a display unit 40, and a communication unit 50.

The control part 10 is a part which controls the whole communication terminal 1, and implement | achieves the various functions in this embodiment by reading and running the various programs memorize | stored in the memory | storage part 20 suitably. The control unit 10 may be a CPU (Central Processing Unit).
Details of the function of each unit included in the control unit 10 will be described later.

  The storage unit 20 is a storage area for various programs and various data for causing the hardware group to function as the communication terminal 1, and may be a ROM, a RAM, a flash memory, a hard disk (HDD), or the like. Specifically, the storage unit 20 stores a message exchange program that causes the control unit 10 to execute each function of the present embodiment, an avatar DB (database) 21, a history DB 22 (message history storage unit, display history storage unit), and the like. To do.

The avatar DB 21 stores display data and display conditions corresponding to each of a plurality of avatar expressions provided in association with each user of the communication terminal 1. In addition, the expression of an avatar is not restricted to a still image, A moving image may be sufficient and the display position may move.
The history DB 22 stores a history of display data in association with received messages and messages to be transmitted.

  The input unit 30 is an interface device that accepts an instruction input from the user to the communication terminal 1. The input unit 30 includes, for example, a touch panel and operation buttons. The instruction input received by the input unit 30 is provided to the receiving unit 11 of the control unit 10.

  The display unit 40 displays a screen for accepting data input to the user or displays a processing result screen by the control unit 10 according to control by the display control unit 16 of the control unit 10. The display unit 40 may be a display device such as a liquid crystal display (LCD) or an organic EL display.

  The communication unit 50 is a network adapter when the communication terminal 1 communicates with other devices. Specifically, the communication unit 50 communicates with the management server 2 via the Internet, and exchanges messages among the plurality of communication terminals 1 according to control by the management server 2.

Next, the function of the control unit 10 will be described in detail.
The control unit 10 includes a reception unit 11, an acquisition unit 12, a determination unit 13, a transmission unit 14, a reception unit 15, and a display control unit 16.

  The accepting unit 11 accepts an input of a message to be transmitted to the receiving communication terminal 1 used by another user via the input unit 30 in a predetermined application for exchanging messages asynchronously.

The accepting unit 11 accepts setting input of presence information from the user of the communication terminal 1 and generates a message from the presence information of the user. This message may be text data only for determining the expression of the avatar that is private to the transmission partner.
Presence information may be automatically acquired based on current time, schedule information, acceleration sensor information, positioning information, and the like. For example, if the movement of the communication terminal 1 is not detected and it is a midnight time zone, it is estimated that the user is sleeping. Further, the user's situation is estimated by comparing the current time with the schedule information. Such acquisition of presence information may be performed automatically based on the timer timing, or may be performed in response to a request from another communication terminal 1. Further, the reception unit 11 may acquire presence information when a transmission message is not received from the user of the communication terminal 1 for a predetermined time.

The acquisition unit 12 acquires environment information when a message is transmitted to another user's terminal.
The environment information includes a communication partner, a message transmission date and time, a transmission location, a time interval from the previous transmission date and time to the same destination, a message exchange frequency indicating a closeness with the communication partner, and the like.

In the determination unit 13, the data included in the determination target message including at least a message to be transmitted from among a plurality of expressions of the avatar prepared in advance and the environment information obtained by the acquisition unit 12 satisfy the display condition. One or more expressions are determined.
At this time, it is preferable that the determination unit 13 determines the expression based on a plurality of messages including a message received from the communication terminal 1 of another user.
The determination unit 13 also determines the expression of the avatar for the message generated from the presence information.

  By determining the expression based on the environment information, the determination unit 13 selects, for example, the background of the avatar based on the transmission date and time or the transmission location of the message, or the behavior of the avatar based on the time interval or the familiarity. .

  The transmission unit 14 extracts display data corresponding to the expression determined by the determination unit 13 and transmits the display data together with a message to the communication terminal 1 of another user. In the case of a message based on presence information, the transmission unit 14 may omit the transmission of this message and transmit only display data.

Here, the display data may include an expression determined by the determination unit 13 and a predetermined expression to be displayed after a predetermined time of the expression. Thereby, in the communication terminal 1 that has received the display data, after the avatar corresponding to the message is displayed, when the user does not reply for a predetermined time, the avatar changes to another standby expression, and the user's input is changed. Prompt.
The standby expression may be set for each transmission message, but may be defined as an expression based on the above-described presence information, and the transmission unit 14 may transmit asynchronously with the transmission message.

Furthermore, the transmission unit 14 transmits a plurality of display data together with display conditions in the communication terminal 1 on the receiving side.
This display condition is a condition of the date and time when the message is browsed. For example, the background corresponding to the time zone when the message was browsed or the behavior of the avatar according to the time interval until the message was browsed is selected.

  The receiving unit 15 receives messages and display data of avatars from the communication terminals 1 of other users.

  The display control unit 16 causes the display unit 40 to display an avatar based on the display data received together with the message in association with the message received by the receiving unit 15.

Moreover, when the display control part 16 receives selection of a message from log | history DB22, the avatar based on the display data matched with this selected message is displayed.
Note that the display control unit 16 may sequentially display (reproduce) the avatar even when a plurality of messages are received in an unread state. Further, this reproduction may be skipped in accordance with a user operation.

In addition, when the display control unit 16 receives the display data of the avatar expressing the presence information from the communication terminal 1 of the other user by the receiving unit 15, the display control unit 16 receives and stores this when a certain time has passed since the message reception. The avatar based on the displayed data is displayed.
Here, the receiving unit 15 may receive and store display data indicating the presence information at the timing when the presence information is acquired in the communication terminal 1 of another user. The display data may be data directly indicating the presence information itself, but is not limited thereto. The receiving unit 15 receives in advance setting information that defines the presence information (for example, “sleeps after 22:00”), and the display control unit 16 determines presence information based on the setting information and You may display the avatar to do.

FIG. 2 is a diagram illustrating a screen display example in the communication terminal 1 on the receiving side according to the present embodiment.
Upon receiving the message 41, the communication terminal 1 displays the other user's avatar 41A based on the display data received together with this message (a). In this example, an expression corresponding to the word “hot” in the message is employed.

  The communication terminal 1 receives an input of the reply message 42 and further receives a new message 43. Then, the communication terminal 1 displays the avatar 43 </ b> A whose expression has been changed based on the display data transmitted accompanying the new message 43 (b). In this example, an expression corresponding to the word “smile” in the message is employed.

  Thereafter, in the communication terminal 1, when a predetermined time elapses without any new message input, the standby expression avatar 43B included in the display data received together with the message 43 is displayed (c).

  In addition, in this example, the case where the expression of the avatar is determined from one transmitted message is shown, but when the expression is determined based on a plurality of messages, similarly, in response to reception of a new message, The expression of the avatar changes.

  Furthermore, the display control part 16 displays the avatar based on the display data transmitted, when transmitting the message by the transmission part 14. FIG. This display may be temporary for confirmation or may continue after transmission is completed.

A new expression of the avatar displayed based on the transmitted display data is determined by the determination unit 13 based on the combination with the expression of the avatar of the communication partner displayed based on the received display data. Also good. Thereby, for example, when the communication partner's avatar is sleeping, the exchange between the avatars is automatically expressed such that the avatar of the communication partner tries to wake up the communication partner's avatar.
In addition, the user's avatar displayed based on the transmitted display data may be changed to a standby expression or an expression based on presence information after confirmation of the expression (after moving image reproduction) or after a lapse of a certain time.

Moreover, when transmitting the message, the display control unit 16 may display a plurality of avatars corresponding to the plurality of expressions determined by the determination unit 13 as candidates. In this case, the transmission part 14 receives the selection input from a user, and transmits the display data of the avatar selected from the some candidate.
At this time, the display control unit 16 may sequentially display the avatars corresponding to the expressions determined by the determination unit 13 as selection candidates while inputting the message.

FIG. 3 is a diagram illustrating a screen display example in the communication terminal 1 on the transmission side according to the present embodiment.
In this example, the communication terminal 1 also displays an avatar for its own transmission message.

When the communication terminal 1 receives the transmission message 44, the communication terminal 1 displays the avatar 44A of the user of the user terminal based on the display data of the expression determined corresponding to the message 44.
Here, the display data may include text 44 </ b> B based on the transmission message 44.

  When there is no reply message from the transmission destination for the transmission message 44, the communication terminal 1 receives the message 45 generated based on the presence information acquired at the transmission destination, and further supports this message 45. Then, the avatar 45A of the determined expression is displayed. If the message 45 is not disclosed, only the avatar 45A is displayed.

FIG. 4 is a flowchart showing message transmission processing according to the present embodiment.
This transmission process is executed by the reception unit 11 in response to reception of a message to be transmitted.

  In step S1, the control unit 10 (determination unit 13) extracts expression target data from the received message. For example, the determination unit 13 extracts important words based on a predetermined evaluation criterion from words obtained from messages by morphological analysis.

  In step S1a, the control unit 10 (acquisition unit 12) acquires environment information at the time of message transmission based on the current time, history information, position information, and the like.

In step S2, the control unit 10 (determination unit 13) compares the expression target data extracted in step S1 and the environment information acquired in step S1a with the display conditions of the avatar DB 21, and determines the expression of the avatar. .
At this time, when a plurality of expressions corresponding to the environment information on the receiving side are prepared, the plurality of expressions are selected.

In step S3, the control unit 10 (transmission unit 14) extracts display data corresponding to the expression determined in step S2 from the avatar DB 21, and synthesizes it as one image as necessary.
When a plurality of display conditions on the receiving side are selected, display data is extracted and combined for each display condition.

  In step S4, the control unit 10 (transmission unit 14) transmits the received message and the display data of the avatar to the communication terminal 1 of the designated destination.

  In step S5, the control unit 10 (display control unit 16) displays its avatar based on the display data transmitted in step S4.

  In step S6, the control unit 10 determines whether or not a predetermined time has elapsed without transmitting a new message. If this determination is YES, the process proceeds to step S7, and if the determination is NO, the process proceeds to step S8.

  In step S <b> 7, the control unit 10 (display control unit 16) causes the display unit 40 to display its own avatar that has been changed to an expression based on the presence information of the user of the terminal itself.

  In step S8, the control unit 10 determines whether or not to transmit the next message, that is, whether or not the reception unit 11 has received a new message. If this determination is YES, the process returns to step S1, and if the determination is NO, the process returns to step S6.

FIG. 5 is a flowchart showing message reception processing according to the present embodiment.
This reception process is executed in response to activation of a message exchange application and the control unit 10 receiving a message from another communication terminal 1.

  In step S <b> 10, the control unit 10 acquires environmental information such as a viewing time, and selects the received expression of the avatar that satisfies the display condition.

  In step S11, the control unit 10 (display control unit 16) causes the display unit 40 to display the received message and the avatar based on the selected display data.

  In step S12, the control unit 10 determines whether a predetermined time has elapsed without receiving a new message. If this determination is YES, the process proceeds to step S13, and if the determination is NO, the process proceeds to step S14.

  In step S <b> 13, the control unit 10 (display control unit 16) displays the avatar changed to the expression based on the presence information of other users based on the display data previously received or received in response to the request. To display.

  In step S14, the control unit 10 determines whether or not the next message has been received. If this determination is YES, the process returns to step S11, and if the determination is NO, the process returns to step S12.

FIG. 6 is a flowchart showing presence information notification processing according to the present embodiment.
This notification processing is executed at a predetermined timing, such as when presence information is set, when an acquisition request is received from another communication terminal 1, or when a predetermined timer expires after receiving a message. .

  In step S21, the control unit 10 (accepting unit 11) acquires the presence information of the user based on the setting input by the user or based on the current time, schedule information, acceleration sensor information, positioning information, and the like. Generate a message that represents the information.

  In step S22, the control unit 10 (determination unit 13) collates the presence information acquired in step S21 or the generated message with the display conditions of the avatar DB 21, and determines the expression of the avatar.

  In step S23, the control unit 10 (transmission unit 14) extracts display data corresponding to the expression determined in step S22 from the avatar DB 21.

  In step S <b> 24, the control unit 10 (transmission unit 14) transmits the message generated in step S <b> 21 and the avatar display data extracted in step S <b> 23 to another communication terminal 1.

  As described above, according to the present embodiment, the communication terminal 1 determines the avatar of the expression corresponding to the transmission message and the environment information and displays it on the other terminal that is the destination of the message. In this way, in an application that exchanges messages asynchronously, in addition to the contents of message exchange, environmental information such as sent / received date / time, location, and intimacy determined by the frequency of message exchange with the other user is effectively expressed. An avatar is presented to the other user.

  Moreover, since display data is transmitted with the display conditions in the communication terminal 1 on the receiving side, the expression of the avatar can be changed according to the environment information on the receiving side, such as the date and time when the message was viewed.

  Since the expression of the avatar is determined based on a plurality of messages within a predetermined period, an appropriate avatar along a continuous message flow is displayed. Furthermore, by determining including the received message, an appropriate avatar along the flow of the conversation is displayed.

  Moreover, since the communication terminal 1 memorize | stores a message and the expression of a corresponding avatar as a log | history, if a message is selected from this log | history, a corresponding avatar can be displayed. For example, the user can scroll past transmission / reception messages to enjoy the change in the expression of the avatar and easily grasp the conversation flow.

  In addition to the expression corresponding to the message, the display data of the avatar transmitted to the communication partner includes an expression that is displayed after a predetermined time. Therefore, when the conversation is interrupted at the receiving communication terminal, the avatar waits for the message. It can change to the expression you are doing and promote communication.

  Further, the communication terminal 1 generates a message based on the user presence information. Thereby, the fact that the user is not carrying or viewing the communication terminal 1 can be expressed by an avatar at the counterpart terminal.

  Moreover, the communication terminal 1 can also display the avatar with respect to the message which self transmitted in the own terminal similarly to the other party terminal. Thereby, the user can confirm the expression of the transmitted avatar and can enjoy the comparison with the received avatar.

  Furthermore, when a plurality of expressions are determined based on a message input by the user, the communication terminal 1 can accept selection input from the plurality of candidates and allow the user to display an avatar with a desired expression.

  As mentioned above, although embodiment of this invention was described, this invention is not restricted to embodiment mentioned above. Further, the effects described in the present embodiment are merely a list of the most preferable effects resulting from the present invention, and the effects of the present invention are not limited to those described in the present embodiment.

The message exchange may be in the form of a chat with multiple people, and the number of participants is not limited to two.
Further, the communication terminal 1 may include means for storing display data transmitted in the past in the history DB 22 and allowing the user to select an avatar expression from the history.

  A part of the functions of the communication terminal 1 in the above-described embodiment may be included in the management server 2. For example, the management server 2 has functions of a determination unit 13 and a storage unit (avatar DB 21, history DB 22), determines an avatar expression based on a message received from a transmission side terminal, and transmits it to the reception side and the transmission / reception terminal. Also good.

  The message exchange method by the plurality of communication terminals 1 is realized by software. When implemented by software, a program constituting the software is installed in the information processing apparatus (communication terminal 1, management server 2). Also, these programs may be recorded on a removable medium such as a CD-ROM and distributed to the user, or may be distributed by being downloaded to the user's computer via a network.

DESCRIPTION OF SYMBOLS 1 Communication terminal 2 Management server 10 Control part 11 Reception part 12 Acquisition part 13 Determination part 14 Transmission part 15 Reception part 16 Display control part 20 Storage part 21 Avatar DB (avatar storage part)
22 History DB
30 Input unit 40 Display unit 50 Communication unit

Claims (9)

Display data corresponding to each of a plurality of expressions of avatars provided in association with the user, and an avatar storage unit for storing display conditions;
A reception unit that receives input of a message to be transmitted to another user's terminal;
An acquisition unit for acquiring environmental information when transmitting to the terminal of the other user;
Among the plurality of expressions, a determination unit that determines one or more expressions in which the data and the environment information included in the message satisfy the display condition;
A transmission unit that extracts display data corresponding to the expression determined by the determination unit, and transmits the display data to the other user's terminal together with the message;
A receiving unit for receiving a message and the display data from the terminal of the other user;
A communication terminal comprising: a display control unit configured to display an avatar based on display data received together with the message in association with the message received by the receiving unit.   The communication terminal according to claim 1, wherein the environment information includes a transmission date and time of the message.   The communication terminal according to claim 1, wherein the environment information includes a message exchange frequency with a transmission destination of the message.   The communication terminal according to any one of claims 1 to 3, wherein the transmission unit transmits a plurality of display data together with a display condition in the terminal of the other user.   The communication terminal according to claim 4, wherein the display condition on the terminal of the other user is a condition of a date and time when the message is browsed. A management server that manages asynchronous message exchange between a plurality of communication terminals,
Display data corresponding to each of a plurality of expressions of avatars provided in association with the user, and an avatar storage unit for storing display conditions;
A message input in the communication terminal on the transmission side and environment information in the communication terminal on the transmission side are received, and the data and the environment information included in the received message among the plurality of expressions satisfy the display condition. A determination unit for determining one or a plurality of expressions,
A transmission unit that extracts display data corresponding to the expression determined by the determination unit, transmits the display data to the receiving communication terminal together with the message, and displays an avatar based on the display data received together with the message in the receiving communication terminal A management server. A message exchange system comprising a plurality of communication terminals and a management server that manages asynchronous message exchange between the plurality of communication terminals,
Display data corresponding to each of a plurality of expressions of avatars provided in association with the user, and an avatar storage unit for storing display conditions;
A receiving unit for receiving an input of a message to be transmitted to the communication terminal on the reception side in the communication terminal on the transmission side;
An acquisition unit that acquires environment information in the communication terminal on the transmission side;
Among the plurality of expressions, a determination unit that determines one or more expressions in which the data and the environment information included in the message satisfy the display condition;
A display unit that extracts the display data corresponding to the expression determined by the determination unit, and transmits the display data to the receiving communication terminal together with the message;
A receiving unit for receiving the message and the display data by the receiving communication terminal;
A message exchange system comprising: a display control unit that displays an avatar based on display data received together with the message in association with the message received by the reception unit. An asynchronous message exchange method between a plurality of communication terminals,
The plurality of communication terminals store display data corresponding to each of a plurality of expressions of avatars provided in association with a user, and display conditions,
A receiving step for receiving an input of a message to be transmitted to the communication terminal on the receiving side in the communication terminal on the transmitting side;
An acquisition step of acquiring environment information in the communication terminal on the transmission side;
A determination step of determining one or a plurality of expressions in which the data and the environment information included in the message satisfy the display condition among the plurality of expressions;
A transmission step of extracting display data corresponding to the expression determined in the determination step and transmitting the display data to the receiving communication terminal together with the message;
A receiving step in which the receiving communication terminal receives the message and the display data;
A message exchange method for executing a display step of displaying an avatar based on display data received together with the message in association with the message received in the reception step. A message exchange program for asynchronously exchanging messages between a plurality of communication terminals,
The plurality of communication terminals store display data corresponding to each of a plurality of expressions of avatars provided in association with a user, and display conditions,
A receiving step for receiving an input of a message to be transmitted to the communication terminal on the receiving side in the communication terminal on the transmitting side;
An acquisition step of acquiring environment information in the communication terminal on the transmission side;
A determination step of determining one or a plurality of expressions in which the data and the environment information included in the message satisfy the display condition among the plurality of expressions;
A transmission step of extracting display data corresponding to the expression determined in the determination step and transmitting the display data to the receiving communication terminal together with the message;
A receiving step in which the receiving communication terminal receives the message and the display data;
A message exchange program for executing a display step of displaying an avatar based on display data received together with the message in association with the message received in the reception step.

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