JP2020199974A - Output control device, output control method and output control program - Google Patents

Abstract

To provide an output control device, an output control method and an output control program which allow users to easily and intuitively perform instructions with voice input.SOLUTION: An output control device according to an embodiment includes an output control unit, a reception unit and a designation unit. The output control unit outputs contents to each of a plurality of seated positions. The reception unit receives a voice input including a prescribed instruction word from a passenger at the seated position. The designation unit designates one seated position from the plurality of seated positions on the basis of the instruction word contained in the voice input received by the reception unit and the seated position of the passenger who performed the voice input. The output control unit outputs the content that is output to the seated position designated by the designation unit to other seated positions.SELECTED DRAWING: Figure 2

Description

The present invention relates to an output control device, an output control method, and an output control program.

Conventionally, there is known an output control device that controls the output start, stop, change, etc. of the content based on the voice input of the occupant when the predetermined content is output in the vehicle. Further, the output control device has a technique of independently outputting contents to each user in different seats in the vehicle (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2010-047093

However, when a plurality of contents are independently output to different boarding positions in the vehicle as in the prior art, the user must give more specific instructions by voice input, which may make the instructions by voice input annoying. was there. Alternatively, for a user who gives an instruction by voice input for the first time, there is a possibility that he / she may not know what kind of instruction should be given to operate as intended.

The present invention has been made in view of the above, and an object of the present invention is to provide an output control device, an output control method, and an output control program capable of easily and intuitively performing instructions by voice input. ..

In order to solve the above-mentioned problems and achieve the object, the output control device according to the present invention includes an output control unit, a reception unit, and a designated unit. The output control unit outputs content for each of the plurality of boarding positions. The reception unit receives voice input including a predetermined demonstrative word from the occupant at the boarding position. The designation unit designates one of the plurality of boarding positions based on the demonstrative words included in the voice input received by the reception unit and the boarding position of the occupant who has performed the voice input. In addition, the output control unit outputs the content output for the boarding position designated by the designated unit to other boarding positions.

According to the present invention, instructions by voice input can be easily and intuitively performed.

FIG. 1A is a diagram showing an outline of an output control method according to an embodiment. FIG. 1B is a diagram showing an outline of an output control method according to an embodiment. FIG. 1C is a diagram showing an outline of an output control method according to an embodiment. FIG. 2 is a block diagram showing a configuration of an output control device according to the embodiment. FIG. 3 is a diagram showing an example of designated information. FIG. 4A is a diagram for explaining the content change prohibition process by the output control unit. FIG. 4B is a diagram for explaining the content change prohibition process by the output control unit. FIG. 5 is a flowchart showing a processing procedure of processing executed by the output control device according to the embodiment. FIG. 6 is a block diagram showing a configuration of an output control device according to a modified example. FIG. 7 is a diagram showing an example of the identification word information according to the modified example. FIG. 8 is a diagram showing an example of designated information related to the modified example.

Hereinafter, embodiments of the output control device, the output control method, and the output control program disclosed in the present application will be described in detail with reference to the accompanying drawings. The present invention is not limited to this embodiment.

First, the outline of the output control method according to the embodiment will be described with reference to FIGS. 1A to 1C. 1A to 1C are diagrams showing an outline of an output control method according to an embodiment.

As shown in FIG. 1A, the output control device 1 according to the embodiment is mounted on the vehicle C and executes the output control method according to the embodiment. Further, the output control device 1 according to the embodiment controls a speaker or a display (not shown) mounted in the vehicle to independently output contents for each of a plurality of riding positions. The content referred to here is information that can be output from a speaker, a display, or the like, and is, for example, entertainment-related content such as music, a movie, or a radio, or navigation-related content.

In the example shown in FIG. 1A, the output control device 1 outputs the content A to the riding position in the front row including the driver's seat and the passenger seat, and outputs the content B to the riding position in the rear row including the entire rear seat. Is shown. In the following, when distinguishing a plurality of boarding positions, it may be distinguished from the first boarding position and the second boarding position.

The output control device 1 may output different contents for each seat. Further, although FIG. 1A shows a case where the inside of the vehicle is a so-called two-row seat, it may be a three-row seat or a seat having four or more rows (for example, a bus or the like). In the case of three or more rows of seats, the output control device 1 can output different contents for each row or each seat.

Further, the area of the broken line shown in FIG. 1A is an area in which the corresponding content is mainly output. That is, in FIG. 1A, for example, when the respective contents A and B are musical pieces, the front row shows a situation in which the content A and the content B are mainly heard, and the back row shows a situation in which the content B is mainly heard. ..

That is, in FIG. 1A, the content B is slightly heard in the front row, and the content A is slightly heard in the back row. The sound field of the content may be controlled so that the corresponding content can be heard only at each boarding position.

Then, in the output control method according to the embodiment, the content is controlled by receiving voice input including a predetermined demonstrative word from the occupant corresponding to each boarding position. This point will be specifically described with reference to FIG. 1B.

As shown in FIG. 1B, in the output control method according to the embodiment, first, a voice input including a predetermined demonstrative word is received from an occupant at a boarding position in the front row or the back row. In FIG. 1B, the output control device 1 according to the embodiment receives "this song" including the demonstrative word "this" from the occupant in the driver's seat (boarding position in the front row) (step S1). In addition, "play this song" means "play this song".

Subsequently, in the output control method according to the embodiment, one of the plurality of boarding positions is designated based on the demonstrative words included in the received voice input and the boarding position of the occupant who has performed the voice input. In FIG. 1B, in the output control method according to the embodiment, the boarding position in the front row including the driver's seat is specified based on the demonstrative word “this” included in the voice input received from the occupant in the driver's seat (step S2). .. That is, the boarding position (content) pointed to by "this" of the occupant who spoke is specified.

Subsequently, in the output control method according to the embodiment, the content output for the designated boarding position is output to another boarding position. In FIG. 1B, the output control device 1 according to the embodiment outputs the content A output for the designated front row boarding position to the rear row boarding position (step S3). That is, in the example shown in FIG. 1B, the content output for the boarding position in the back row is changed from the content B to the content A.

As described above, in the output control method according to the embodiment, the occupant can control the content change and the like based on the demonstrative words. In other words, in the output control method according to the embodiment, the occupant does not need to give a specific instruction such as "play the content A flowing in the front row also in the back row". Further, according to the output control method according to the embodiment, even an occupant who gives an instruction by voice input for the first time can give an instruction using a demonstrative word or the like, so that the instruction method can be intuitively understood. That is, according to the output control method according to the embodiment, it is possible to easily and intuitively give an instruction by voice input.

Further, in the output control method according to the embodiment, when the content is changed, the occupant at the boarding position of the change destination can refuse the change of the content. This point will be specifically described with reference to FIG. 1C.

As shown in FIG. 1C, in the output control method according to the embodiment, first, the occupant at the front row boarding position (an example of the first boarding position) outputs to the rear row boarding position (an example of the second boarding position). Accepts voice input including change instructions to change the content to be played. In FIG. 1C, the output control device 1 according to the embodiment is changed so that the occupant at the boarding position in the front row inputs a voice saying "play this song", that is, "plays the content A flowing in the front row in the back row". The voice input including the instruction is accepted (step S11).

Subsequently, in the output control method according to the embodiment, when a predetermined refusal operation is received from the occupant at the boarding position in the back row after receiving the content change instruction, the content at the boarding position in the back row based on the change instruction is received. Prohibit changes.

In FIG. 1C, the output control device 1 according to the embodiment receives a voice input of a predetermined refusal operation “stop” of the occupant at the boarding position in the back row (step S12). Subsequently, in the output control method according to the embodiment, when the refusal operation "stop" is accepted, the change of the content B output to the boarding position in the back row to the content A is prohibited (step S13). That is, even if there is an instruction to change the content, the output of the content B at the boarding position in the back row is maintained without changing from the content B to the content A.

In this way, the occupant in the passenger position in the back row can refuse to change the content even when the occupant in the passenger position in the front row gives an instruction to change to the content A while enjoying the content B. , You can continue to enjoy content B. Therefore, according to the output control method according to the embodiment, even if another occupant gives an instruction to change the content, the content desired by the occupant can be continuously enjoyed.

Next, the configuration of the output control device 1 according to the embodiment will be described in detail with reference to FIG. FIG. 2 is a block diagram showing a configuration of the output control device 1 according to the embodiment. As shown in FIG. 2, the output control device 1 according to the embodiment is connected to a plurality of microphones 10a to 10d and a plurality of output devices 50a and 50b.

The microphones 10a to 10d are collection devices that collect the voices of the occupants. Each of the plurality of microphones 10a to 10b is arranged at a position corresponding to each boarding position. Specifically, the microphone 10a is provided at a position where the voice of the occupant at the right riding position in the front row can be collected. The microphone 10b is provided at a position where the voice of the occupant at the left riding position in the front row can be collected. The microphone 10c is provided at a position where the voice of the occupant at the right riding position in the rear row can be collected. The microphone 10d is provided at a position where the voice of the occupant at the left riding position in the rear row can be collected. In the following, when the microphones 10a to 10d are not distinguished, they may be described as the microphone 10. Further, if the content A is output to the riding position in the front row including the driver's seat and the passenger seat and the content B is output to the riding position in the rear row including the entire rear seat, the microphone 10 is set to the front row and the back row. One may be provided for each.

The output devices 50a and 50b are content output devices that output content, and include, for example, a speaker and a display. Further, each of the plurality of output devices 50a and 50b is arranged at a position where the content can be output at each boarding position. Specifically, the output device 50a is arranged at a position where the content can be output at the boarding position in the front row. The output device 50b is arranged at a position where the content can be output at the boarding position in the back row. In the following, when the output devices 50a and 50b are not distinguished, they may be referred to as the output device 50.

The output control device 1 according to the embodiment includes a control unit 2 and a storage unit 3. The control unit 2 includes a reception unit 21, a designation unit 22, and an output control unit 23. The storage unit 3 stores the designated information 31.

Here, the output control device 1 includes, for example, a computer having a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), a data flash, an input / output port, and various circuits.

The CPU of the computer functions as a reception unit 21, a designation unit 22, and an output control unit 23 of the control unit 2, for example, by reading and executing a program stored in the ROM.

Further, at least one or all of the reception unit 21, the designation unit 22, and the output control unit 23 of the control unit 2 shall be configured by hardware such as an ASIC (Application Specific Integrated Circuit) or an FPGA (Field Programmable Gate Array). You can also.

Further, the storage unit 3 corresponds to, for example, a RAM or a data flash. The RAM or data flash can store designated information 31, information on various programs, and the like. The output control device 1 may acquire the above-mentioned program and various information via another computer or a portable recording medium connected by a wired or wireless network.

The designated information 31 is information in which the demonstrative word and the occupant's boarding position (voice reception position) are linked. The designation information 31 is information for the designation unit 22 described later to specify the boarding position, in other words, information for designating the content to be output after the change. The designated information 31 will be described with reference to FIG.

FIG. 3 is a diagram showing an example of the designated information 31. As shown in FIG. 3, the designated information 31 is information in which the demonstrative word and the voice reception position are linked. The close names shown in FIG. 3 are, for example, demonstrative words such as this, this, here, here, and here, and are words that indicate a boarding position (content) close to the occupant who has received the voice input. Further, the distant name shown in FIG. 3 is, for example, a demonstrative word such as that, that, that, that, that, that, etc., and is a word that indicates a boarding position (content) far from the occupant who received the voice input. Further, FIG. 3 shows the designated information 31 when the content A is output in the front row and the content B is output in the back row.

For example, in FIG. 3, in the case of the demonstrative word "near name" and the voice reception position "front row", the occupant at the boarding position (driver's seat or passenger's seat) in the front row voice-inputs, for example, "play this song". If this is the case. In this case, the designation unit 22 described later refers to the designation information 31 and designates the boarding position (content A) in the front row based on "this song is played". Then, as shown in FIG. 3, the output control unit 23, which will be described later, controls the content A so as to be output at the riding position in the back row. More detailed control of the designation unit 22 and the output control unit 23 will be described later.

Further, the designated information 31 shown in FIG. 3 is merely an example. For example, in the case of a three-row seat, when three or more voice reception positions are set, three types of demonstrative words, a near name, a middle name (that, that, etc.), and a far name, may be associated.

Next, each functional block of the control unit 2 (reception unit 21, designation unit 22, and output control unit 23) will be described.

The reception unit 21 receives the voice input of the occupant via the microphones 10 arranged at each boarding position. Specifically, the reception unit 21 receives a voice input including a predetermined demonstrative word. More specifically, the reception unit 21 receives, for example, a change instruction for changing the content output to the second boarding position other than the first boarding position from the occupant at the first boarding position.

In addition, the reception unit 21 specifies the boarding position of the occupant who has input the voice. For example, the reception unit 21 compares the sound pressure levels of the voice inputs received by the plurality of microphones 10a to 10d, and inputs the voice input to the boarding position of the microphone 10 that has received the voice input having the highest sound pressure level. Identify as the boarding position of the occupant who went.

When determining whether or not the occupant's voice input includes a demonstrative word or whether or not the voice input indicates a change instruction, the reception unit 21 learns, for example, by recording a large number of utterances in advance. A learning model generated based on the data can be used.

Specifically, the reception unit 21 generates an acoustic model by extracting the frequency characteristics of phonemes from the learning data. A hidden Markov model can be used as the acoustic model. By inputting the received voice input into the acoustic model, the reception unit 21 can obtain voice data indicating the utterance content of the occupant as a model output. That is, the reception unit 21 can obtain verbalized voice data by inputting a voice signal indicating voice input into the acoustic model.

Then, the reception unit 21 determines the presence / absence of the demonstrative word and the type of the demonstrative word (type of near name or distant name) by morphological analysis of the verbalized voice data. Then, the reception unit 21 notifies the designated unit 22 of the presence / absence of the demonstrative word, the information of the type of the demonstrative word, and the information of the voice reception position.

Further, the reception unit 21 may extract the content word indicating the content based on the result of the morphological analysis, extract the concatenated word concatenated in the order of the demonstrative word and the content word, and notify the designated unit 22. Good. For example, in the case of "playing this song" as an example, the reception unit 21 extracts the demonstrative word "this", the content word "song", and the concatenated word "this song" based on the voice input.

Further, the reception unit 21 can determine whether or not there is an instruction to change the content by grasping the meaning of "this song", for example, based on the result of morphological analysis of the verbalized voice data. it can.

The reception unit 21 notifies the designation unit 22 and the output control unit 23 of the analysis result of the received voice input. Specifically, the reception unit 21 refers to the designated unit 22 with verbalized voice data, various word information (information regarding the presence / absence and type of directive words, content words, and concatenated words) and voice reception positions (for example,). , The position of the microphone 10) and the information associated with it is notified. In addition, the reception unit 21 notifies the output control unit 23 of information regarding the content change instruction.

The reception unit 21 may always turn on the voice recognition function for analyzing the voice input to always analyze the voice input collected from the microphone 10, or the reception unit 21 may use a predetermined activation word as a trigger to perform voice. The recognition function may be turned on.

For example, the reception unit 21 may perform voice recognition of the sentence after the activation word when the activation word "agent" is voice-input, such as "agent, play this song". It is possible to recognize the occupant's instructions with high accuracy and reduce unnecessary voice recognition processing.

The reception unit 21 may use an identification word that identifies each output device 50 as an activation word, but this point will be described later in FIGS. 6 and later.

Further, the reception unit 21 receives a voice input corresponding to a refusal operation for refusing the content change from the occupant at the boarding position of the content change destination during a predetermined reception period after receiving the content change instruction. Specifically, the reception unit 21 accepts voice input including a rejected word such as no, stop. The reception unit 21 can store a list of rejected words in advance, and can determine whether or not the voice input includes rejected words by referring to the list. The reception unit 21 notifies the output control unit 23 that the voice input including the rejected word has been accepted.

The designation unit 22 designates one of the plurality of boarding positions based on the demonstrative words included in the voice input received by the reception unit 21 and the boarding position of the occupant who has performed the voice input. In other words, the designation unit 22 designates the boarding position where the content desired by the occupant is output based on the voice input. For example, the designated unit 22 uses the designated information 31 to determine a designated boarding position from the demonstrative notified from the reception unit 21 and the voice reception position associated with the demonstrative.

When the demonstrative word is a close name, for example, the demonstrative word "this" in "this song is played", the designation unit 22 designates the boarding position corresponding to the occupant who has received the voice input. Specifically, when the designation unit 22 receives the voice input of "playing this song" from the occupants in the front row, it specifies the boarding position in the front row and inputs the voice input of "playing this song" from the occupants in the back row. If accepted, specify the boarding position in the back row. That is, when the demonstrative word is a close name, the designation unit 22 designates the boarding position where the occupant who has input the voice is located. As a result, for example, the front row occupant can more easily and intuitively perform voice input for letting the back row occupant hear the content such as the music being listened to by the front row occupant.

Further, when the demonstrative word is a distant name such as the demonstrative word "that" in "that song", the designation unit 22 sets a boarding position other than the boarding position corresponding to the occupant who received the voice input. specify. Specifically, when the designation unit 22 receives the voice input of "playing that song" from the occupant in the front row, it specifies the boarding position in the back row and inputs the voice input of "playing that song" from the occupant in the back row. If accepted, specify the boarding position in the front row. That is, when the demonstrative word is a distant name, the designation unit 22 designates a boarding position different from the boarding position where the occupant who has input the voice is. Thereby, for example, when the occupant in the back row (or the front row) wants to listen to the content such as the music being listened to by the occupant in the front row, the occupant in the back row can input the voice more easily and intuitively. ..

In addition, the designation unit 22 may perform the designation process only based on the demonstrative words such as "this" and "that song", or board based on the concatenated words such as "this song" and "that song". The position designation process may be performed. In other words, when the occupant utters the concatenated word "this song", it is highly probable that it refers to the content that he / she is listening to. Therefore, by specifying the boarding position based on the concatenated word, the occupant's intention was met. The boarding position can be specified with high accuracy. Even if it is a concatenated word, it is preferable that it is continuous in the order of "this" and "song". That is, even if the designation unit 22 is a concatenated word, when the order of "this" and "song" is reversed ("song this"), or another language is inserted between "this" and "song". If it is, the specified process may not be performed.

Then, the designation unit 22 notifies the output control unit 23 of the information regarding the designated boarding position.

The output control unit 23 controls each output device 50 to output content for each of the plurality of boarding positions. For example, the output control unit 23 outputs the content output for the boarding position designated by the designated unit 22 to other boarding positions. Specifically, when the boarding position in the front row is specified, the output control unit 23 outputs the content output for the boarding position in the front row to the boarding position in the back row. Further, when the boarding position in the back row is specified, the output control unit 23 outputs the content output for the boarding position in the back row to the boarding position in the front row.

In other words, the output control unit 23 is output from the occupant at the first boarding position (for example, the boarding position in the front row) at the second boarding position (for example, the boarding position in the back row) other than the first boarding position. When the instruction to output the content being output at the first boarding position is received, the content output at the second boarding position is output to the first boarding position.

Alternatively, when the output control unit 23 receives a change instruction for changing the content output to the second boarding position other than the first boarding position from the occupant at the first boarding position, the output control unit 23 receives the change instruction of the second boarding position. Change the content.

Further, when the output control unit 23 receives a predetermined refusal operation from the occupant at the second boarding position after receiving the above change instruction, the output control unit 23 changes the content at the second boarding position based on the change instruction. Is prohibited. In other words, the output control unit 23 outputs the content output for the boarding position (first boarding position) designated by the designated unit 22 to the other boarding position (second boarding position). At that time, when a predetermined refusal operation is received from the occupant at the other boarding position, the output of the content to the other boarding position is prohibited. This point will be described with reference to FIGS. 4A and 4B.

4A and 4B are diagrams for explaining the content change prohibition process by the output control unit 23. 4A and 4B show a case where the occupant in the back row changes the content of the boarding position in the front row. Note that FIG. 4A shows the processing of the output control unit 23 when there is a refusal operation from the occupant, and FIG. 4B shows the processing of the output control unit 23 when there is no refusal operation from the occupant. In addition, "A" and "B" in the figure refer to content A and content B, respectively.

Here, the refusal operation is an operation performed by the occupant at the second boarding position (in FIGS. 4A and 4B, the occupant at the boarding position in the front row), and is an operation of refusing to change the content. For example, the refusal operation is a voice input to be rejected, such as "No", "Stop", etc., received by the reception unit 21. The refusal operation is not limited to voice input, and may be a gesture operation using image processing. For example, the rejection operation may be an operation of shaking the head sideways or waving a hand sideways.

The output control unit 23 makes it possible to accept the refusal operation in a predetermined reception period after the change instruction is received by the reception unit 21, and waits for the change of the content based on the change instruction during the reception period. That is, the output control unit 23 does not change the content immediately after receiving the change instruction, but changes the content after waiting for a predetermined reception period.

Specifically, as shown in FIGS. 4A and 4B, when the output control unit 23 receives a change instruction of the content output to the boarding position in the front row at time t1, the change instruction is set as the start of the reception period. Notify the suggestion notification "Play B" suggesting the change of the content based on. As a result, the occupants at the boarding position in the front row can be notified in advance that the content will be changed, so that the occupants can be surely notified of the change in the content, and it is easy to perform an operation such as a refusal operation. Can be made to.

Then, as shown in FIG. 4A, when the output control unit 23 accepts the voice input of the refusal operation "stop" in the acceptance period after the suggestion notification, the output control unit 23 does not change to the content B even after the acceptance period ends. Maintain the output of content A. In this way, by setting a predetermined reception period from the instruction of the change to the actual change of the content, it becomes easier for the occupant to decide whether or not to perform the refusal operation, so that the occupant's intention is met. Content output control can be performed.

It should be noted that the output control unit 23 performs a permission operation for permitting the change of the content such as "may be changed" by the occupant at the boarding position in the front row between the time when the refusal operation is received and the time t2. If so, the content output to the boarding position in the front row may be changed from the content A to the content B.

On the other hand, as shown in FIG. 4B, if there is no refusal operation in the reception period after the suggestion notification, the output control unit 23 outputs the content output to the boarding position in the front row at the time t2 after the reception period ends. , Change from content A to content B.

In the example shown in FIG. 4B, when the output control unit 23 accepts the permission operation for permitting the change of the content during the acceptance period, the output control unit 23 may change the content when the permission operation is accepted.

Further, the output control unit 23 may change the output mode of the content A before the change, which is output to the boarding position in the front row during the reception period. As a result, it is possible to clearly inform the occupants at the boarding position in the front row that the refusal operation is being accepted.

As an example of changing the output mode, the output control unit 23 can reduce the output amount of the content. That is, in the reception period, the output control unit 23 outputs the output amount (speaker volume and display backlight light amount) of the unchanged content A output to the boarding position in the front row from immediately before the reception period (immediately before time t1). Reduce. As a result, for example, the sound collection accuracy of the microphone 10 can be improved, so that the rejection operation can be detected with higher accuracy when the voice input is performed by the rejection operation. In addition, the output control unit 23 may increase the output amount of the content during the reception period, or may also display a display indicating that the content is to be changed.

Next, the processing procedure of the processing executed by the output control device 1 according to the embodiment will be described with reference to FIG. FIG. 5 is a flowchart showing a processing procedure of processing executed by the output control device 1 according to the embodiment. It should be noted that this process is repeatedly executed with the accessory power supply of the automobile (not shown) turned on or the power supply of the output control device 1 turned on and the output control device 1 is in the operating state.

As shown in FIG. 5, first, the output control unit 23 outputs the content for each of the plurality of boarding positions (S101).

Subsequently, the reception unit 21 determines whether or not the voice input including the demonstrative word has been accepted from the occupant at the boarding position (S102). If the reception unit 21 does not accept the voice input including the demonstrative word (step S102: No), the reception unit 21 repeatedly executes step S102. This iterative process is terminated when the accessory power supply is turned off or the power supply of the output control device 1 is turned off.

Subsequently, when the reception unit 21 accepts the voice input (step S102: Yes), the designation unit 22 refers to the designation information 31 based on the demonstrative words included in the received voice input, and has a plurality of boarding positions. From the inside, one boarding position (first boarding position) is designated (S103).

Subsequently, the output control unit 23 notifies the occupant of the second boarding position that the content output for the designated first boarding position is output to the second boarding position (step S104). ).

Subsequently, the reception unit 21 determines whether or not a predetermined refusal operation has been performed by the occupant at the second boarding position during the predetermined reception period after receiving the change instruction (after the notification in step S104) (step). S105).

When the occupant at the second boarding position performs a predetermined refusal operation (step S105: Yes), the output control unit 23 prohibits the change of the content to be output at the second boarding position (step S106), and performs the process. finish.

On the other hand, when the occupant at the second boarding position does not perform a predetermined refusal operation (step S105: No), the output control unit 23 changes the content to be output at the second boarding position (step S107) and performs processing. finish.

As described above, the output control device 1 according to the embodiment includes an output control unit 23, a reception unit 21, and a designation unit 22. The output control unit 23 outputs content for each of the plurality of boarding positions. The reception unit 21 receives voice input including a predetermined demonstrative word from the occupant at the boarding position. The designation unit 22 designates one of the plurality of boarding positions based on the demonstrative words included in the voice input received by the reception unit 21 and the boarding position of the occupant who has performed the voice input. The output control unit 23 outputs the content output for the boarding position designated by the designated unit 22 to the other boarding positions. This makes it possible to easily and intuitively give instructions by voice input.

Further, as described above, the output control device 1 according to the embodiment includes an output control unit 23 and a reception unit 21. The output control unit 23 outputs content for each of the plurality of boarding positions. The reception unit 21 receives a change instruction from the occupant at the first boarding position to change the content output to the second boarding position other than the first boarding position. When the output control unit 23 receives a predetermined refusal operation from the occupant at the second boarding position after the change instruction is received by the reception unit 21, the output control unit 23 receives the content at the second boarding position based on the change instruction. Prohibit changes. As a result, the content desired by oneself can be received without being disturbed by other occupants.

In the above-described embodiment, a case where a predetermined activation word is used as a trigger for voice recognition processing, such as "agent" in "agent, this song", has been described. For example, each output device 50 may be used. The identifying word may be used as the activation word.

This point will be described with reference to FIGS. 6 to 8. FIG. 6 is a block diagram showing the configuration of the output control device 1 according to the modified example.

As shown in FIG. 6, the output control device 1 according to the modified example is different from the above-described embodiment in that the identification word information 32 is stored in the storage unit 3. The identification word information 32 is information in which each output device 50 and the identification word correspond to each other.

FIG. 7 is a diagram showing an example of the identification word information 32 according to the modified example. As shown in FIG. 7, the identification word information 32 includes items such as “device ID”, “output position”, and “identification word”.

The "device ID" is identification information that identifies each output device 50. The "output position" is a position where the output device 50 is installed, in other words, a position where the content is output. The "identifying word" is an identifying word that identifies each output device 50. The "identification word" may be set in advance, or may be arbitrarily set by a user such as an occupant.

In the example shown in FIG. 7, the output device 50a identified by the device ID "M1" is set to "Lulu" after the identification, is arranged in the front row in the vehicle C, and the boarding position in the front row is the output target of the content. Further, the output device 50b identified by the device ID "M2" has the identification word "Lara" set and is arranged in the rear row of the vehicle C, and the boarding position in the rear row is targeted for content output.

Next, the designated information 31 to which the above-mentioned identification word is added will be described with reference to FIG. FIG. 8 is a diagram showing an example of the designated information 31 according to the modified example.

As shown in FIG. 8, the designated information 31 according to the modified example is information in which the identification word and the demonstrative word are associated with the voice reception position.

For example, in FIG. 8, when the identification word + demonstrative word is "Lara + near name" and the voice reception position is "front row", the occupant at the boarding position in the front row inputs voice, for example, "Lara, play this song". If you do. That is, the reception unit 21 receives the voice input including the identification word and the demonstrative word.

In this case, the designation unit 22 designates the boarding position in the front row based on the demonstrative word “this” and the boarding position in the back row (an example of another boarding position) based on the identification word “Lara”. That is, the designation unit 22 designates the output device 50 for changing the content based on the identification word, and designates the output device 50 to which the changed content is output based on the demonstrative word.

Then, the output control unit 23 outputs the content output for the boarding position in the front row to the boarding position in the back row. In this way, by setting the identification word for each output device 50, it is possible to control the output of the content with higher accuracy.

Further effects and variations can be easily derived by those skilled in the art. For this reason, the broader aspects of the invention are not limited to the particular details and representative embodiments expressed and described as described above. Therefore, various modifications can be made without departing from the spirit or scope of the general concept of the invention as defined by the appended claims and their equivalents.

1 Output control device 2 Control unit 3 Storage unit 10 Microphone 21 Reception unit 22 Designation unit 23 Output control unit 31 Designation information 32 Identification word information 50 Output device C Vehicle

Claims (8)

An output control unit that outputs content for each of multiple boarding positions,
A reception unit that accepts voice input including predetermined demonstrative words from occupants at any boarding position,
A designation unit that specifies one of a plurality of boarding positions based on the demonstrative words included in the voice input received by the reception unit and the boarding position of the occupant who performed the voice input.
With
The output control unit
An output control device characterized in that the content output for the boarding position designated by the designated unit is output to another boarding position. The designated part is
The output control device according to claim 1, wherein when the demonstrative word is a short name, a boarding position corresponding to the occupant who has performed the voice input is specified. The designated part is
When the demonstrative word is a distant name, a boarding position other than the boarding position corresponding to the occupant who input the voice is specified.
The output control unit
The output control according to claim 1 or 2, wherein the content output for the boarding position designated by the designated unit is output to the boarding position corresponding to the occupant who has performed the voice input. apparatus. The reception department
Accepts voice input that includes concatenated words that are concatenated in the order of demonstrative words and content words that indicate content.
The designated part is
The output control device according to any one of claims 1 to 3, wherein when a voice input including a concatenated word is received by the reception unit, a boarding position is specified. The output control unit
Content is output via multiple output devices that correspond to multiple boarding positions,
The reception department
Accepts voice input containing identifiers and demonstratives that identify each of the multiple output devices,
The designated part is
The output control device according to any one of claims 1 to 4, wherein another boarding position is specified based on the identification word. The output control unit
When the content output for the boarding position specified by the designated unit is output to another boarding position, if a predetermined refusal operation is received from the occupant at the other boarding position, another boarding is performed. The output control device according to any one of claims 1 to 5, wherein the output of the content with respect to the position is prohibited. An output control process that outputs content for each of multiple boarding positions,
A reception process that accepts voice input including a predetermined demonstrative word from an occupant at an arbitrary boarding position,
A designation step of designating one of a plurality of boarding positions based on the demonstrative words included in the voice input received by the reception process and the boarding position of the occupant who performed the voice input.
Including
The output control step is
An output control method characterized in that the content output for the boarding position designated in the designated step is output to another boarding position. An output control procedure that outputs content for each of multiple boarding positions,
A reception procedure that accepts voice input including a predetermined demonstrative word from an occupant at an arbitrary boarding position,
A designation procedure for designating one of a plurality of boarding positions based on the demonstrative words included in the voice input received by the reception procedure and the boarding position of the occupant who performed the voice input.
Let the computer run
The output control procedure is
An output control program characterized by outputting the content output for the boarding position specified in the designated procedure to other boarding positions.

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