JP2012003895A - Illumination control device, video reproducer, control system, illumination control method, illumination control program, and processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a desired illumination effect without depending on viewing environment.SOLUTION: An illuminance detection part (33) detects brightness of illumination. An illumination control information extraction part (302) extracts information in which illumination control information showing the brightness is associated with a video. An illumination device information acquisition part (305) acquires power consumption information showing power consumption at each illumination device. An illumination control part (309) determines an output value of each illumination device on the basis of the brightness detected by the illuminance detection part, the illumination control information and the power consumption information, and controls the illumination device so as to output light using the determined output value.

Description

  The present invention relates to an illumination control device, a video reproduction device, a control system, an illumination control method, an illumination control program, and a processor.

2. Description of the Related Art In recent years, home energy management systems (HEMSs) that aim to display (visualize) energy consumption and reduce energy consumption by connecting home appliances and energy devices in a home network are becoming widespread.
For example, Patent Documents 1 and 2 disclose techniques for controlling the brightness of room illumination according to content (genre, video feature amount) viewed on a TV (television).

JP 2006-325043 A JP 2009-36801 A

  However, in Patent Documents 1 and 2, only an instruction is unilaterally sent to the lighting device, and depending on the viewing environment, such as when there are a plurality of lighting devices in the room or the positional relationship between the TV and the lighting device However, there is a problem that a desired lighting effect may not be obtained.

  The present invention has been made in view of the above points. An illumination control device, a video reproduction device, a control system, an illumination control method, an illumination control program, and a lighting control device capable of obtaining a desired illumination effect regardless of the viewing environment. Providing a processor.

  (1) The present invention has been made in order to solve the above-described problems. The present invention relates to power consumption information indicating power consumption in each of a plurality of illumination devices and brightness of illumination detected by a brightness detection unit. It is an illumination control device that controls illumination by the plurality of illumination devices based on detection information indicating the above.

  (2) Further, according to one embodiment of the present invention, an output value of each lighting device is determined based on the power consumption information and the detection information, and the lighting device is controlled to output light at the determined output value. To do.

  (3) Further, according to one aspect of the present invention, in the above-described lighting control device, a lighting device information acquisition unit that acquires power consumption information indicating power consumption in each of the lighting devices, and the detection information are predetermined. An illumination control unit that determines an output value of each illumination device based on brightness information indicating brightness and the power consumption information, and controls the illumination device to output light at the determined output value; Prepare.

  (4) Moreover, according to one aspect of the present invention, in the above-described lighting control device, the power efficiency of each lighting device is calculated based on the detection information and the power consumption information, and the calculated power efficiency is high. A viewing environment setting unit that sequentially selects a lighting device is provided, and the lighting control unit controls the lighting device selected by the viewing environment setting unit.

  (5) According to another aspect of the present invention, in the above-described lighting control device, the lighting control unit has a brightness that is equal to or higher than the brightness indicated by the brightness information, and is a total value of power consumption indicated by the power consumption information. The lighting device is controlled so that is minimized.

  (6) Further, according to one aspect of the present invention, in the above-described illumination control device, the viewing environment setting unit that generates relation information between output values of the plurality of illumination devices and brightness detected by the brightness detection unit. The lighting control unit selects the lighting device based on the relation information so that a total value of power consumption indicated by the power consumption information is minimized.

  (7) Further, according to one embodiment of the present invention, detection information indicating the brightness of the illumination detected by the brightness detection unit, power consumption information indicating the power consumption in each of the plurality of lighting devices, and brightness indicating the brightness The video reproduction device reproduces the video while controlling the illumination by the plurality of lighting devices based on the information in which the information is associated with the video.

  (8) Further, according to one embodiment of the present invention, a plurality of lighting devices, a video providing device that provides information in which brightness information indicating brightness and video are associated with each other, and lighting detected by the brightness detection unit Illumination by the plurality of illumination devices based on detection information indicating brightness, power consumption information indicating power consumption in each of the plurality of illumination devices, and information associating brightness information indicating brightness and video And a video playback device that plays back video while controlling the video.

  (9) Further, according to one aspect of the present invention, the illumination control device includes power consumption information indicating power consumption in each of the plurality of illumination devices, detection information indicating the brightness of the illumination detected by the brightness detection unit, Is a lighting control method including a process of controlling lighting by the plurality of lighting devices.

  (10) Further, according to one embodiment of the present invention, power consumption information indicating power consumption in each of the plurality of lighting devices and detection information indicating the brightness of the illumination detected by the brightness detection unit are stored in the computer of the lighting control device. And an illumination control program for executing a procedure for controlling illumination by the plurality of illumination devices.

  (11) Further, according to one aspect of the present invention, the power consumption information indicating the power consumption in each of the plurality of lighting devices and the detection information indicating the brightness of the illumination detected by the brightness detection unit are described above. It is a processor which produces | generates the control information which controls the illumination by a several illuminating device.

  According to the present invention, a desired lighting effect can be obtained regardless of the viewing environment.

It is the schematic which shows the control system which concerns on the 1st Embodiment of this invention. It is a schematic block diagram which shows the structure of the content provision apparatus which concerns on this embodiment. It is the schematic which shows an example of the illumination control information which concerns on this embodiment. It is a schematic block diagram which shows the structure of the content reproduction apparatus which concerns on this embodiment. It is the schematic which shows an example of the illuminating device information table which concerns on this embodiment. It is the schematic which shows an example of the illumination intensity information table classified by pattern which concerns on this embodiment. It is the schematic which shows an example of the viewing environment information table which concerns on this embodiment. It is a flowchart which shows an example of operation | movement of the illuminating device information acquisition part which concerns on this embodiment. It is a flowchart which shows an example of the operation | movement in the 1st apparatus selection process which concerns on this embodiment. It is a flowchart which shows an example of the operation | movement in the illumination intensity acquisition process which concerns on this embodiment. It is a flowchart which shows an example of operation | movement of the illumination control information extraction part and illumination control part which concern on this embodiment. It is a schematic block diagram which shows the structure of the content reproduction apparatus which concerns on the 2nd Embodiment of this invention. It is a flowchart which shows an example of the operation | movement in the 2nd apparatus selection process which concerns on this embodiment. It is the schematic which shows an example of the power efficiency information table which concerns on this embodiment. It is the schematic which shows an example of the viewing environment information table which concerns on this embodiment.

(First embodiment)
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic diagram showing a control system according to the first embodiment of the present invention. In this figure, the control system includes content providing apparatuses 11 and 12 (for example, a server, a recorder, a broadcasting station apparatus), a content reproduction apparatus 3 (for example, a television and a personal computer), and lighting apparatuses 51, 52, and 53 (for example, Fluorescent lamp, light bulb).
A region surrounded by a broken line with a reference A indicates a living room (referred to as living A), and a region surrounded by a broken line with a reference B indicates another room (referred to as a Western room B). In the living room A, a content playback device 3 that plays back video and a plurality of lighting devices 51 and 52 are installed. In the Western room B, a lighting device 53 is installed. Here, the living room A and the western room B are adjacent to each other, and the light from the lighting device 53 may strike the living room A. The number of lighting devices in the living room A and the western room B is not limited to the example in FIG. 1 and may be any number.

The content reproduction device 3 is connected to the content providing devices 11 and 12 (hereinafter, each referred to as the content providing device 1) via the Internet 2 or directly. The content reproduction device 3 acquires content data from the content providing device 1 and reproduces it. The content playback device 3 and the content providing device 1 may be connected by wireless communication or may be connected by wired communication. This communication may be unidirectional or bidirectional.
The content reproduction apparatus 3 includes a display 31 that outputs video, a speaker 32 that outputs sound, and a brightness sensor 33 that detects ambient illuminance. The content reproduction device 3 reproduces the content of the acquired content data (for example, broadcast content such as terrestrial, satellite broadcast, and CATV, or VoD (Video on Demand) content on the network) using the display 31 and the speaker 32. .

The content reproduction device 3 and the lighting devices 51, 52, 53 are connected to each other via the network 4. The network 5 is, for example, a wireless network such as ZigBee (registered trademark), but may be a wired network as long as the devices can communicate with each other.
The content reproduction device 3 detects the illumination sensor 51, 52, 53 light, ambient light, and illuminance due to the display of the content reproduction device, etc., with the brightness sensor 33. The content reproduction device 3 extracts lighting control information from the content data, and controls the lighting devices 51, 52, and 53 based on the lighting control information and the detected illuminance.

<About the configuration of the content providing apparatus 1>
FIG. 2 is a schematic block diagram showing the configuration of the content providing apparatus 1 according to this embodiment. In this figure, the content providing apparatus 1 includes an input unit 101, a video generation unit 102, a video input unit 103, a brightness information adding unit 104, a content storage unit 105, a content providing unit 106, and a communication unit 107. The

The input unit 101 receives information indicating a user operation from each input device. The input unit 101 outputs the input information to the video generation unit 102 and the brightness information addition unit 104.
The video generation unit 102 stores video data and performs video processing and editing processing based on information input from the input unit 101. The video generation unit 102 outputs the processed video data to the video input unit 103.
The video input unit 103 receives video data from an external device or the video generation unit 102. The video input unit 103 outputs the input video data to the brightness information adding unit 104. The video data is provided with metadata such as a data type and a reproduction time indicating an elapsed time from the start of the video.

  The brightness information adding unit 104 adds illuminance information for each video scene of the video data based on the information input from the input unit 101. Specifically, the brightness information adding unit 104 has illumination control information in which illuminance information is associated with a playback time (referred to as a start time) at which a scene is started and a playback time (end time) at which the scene ends (see FIG. 3). ) Is generated. The brightness information adding unit 104 causes the content storage unit 105 to store content data obtained by adding the generated illumination control information to video data and audio data.

The content providing unit 106 outputs the content data read from the content storage unit 105 to the communication unit 107 based on the content request or timer input from the communication unit 107.
The communication unit 107 receives a content request from the content reproduction device 3 (for example, via the Internet 6). The communication unit 107 outputs the received content request to the content providing unit 106. In addition, the communication unit 107 transmits the content data input from the content providing unit 106 to the content reproduction device 3.

  FIG. 3 is a schematic diagram illustrating an example of illumination control information according to the present embodiment. As shown in the figure, the illumination control information has items of data type, start time, end time, and brightness rate. Here, the data type indicates the type of content data. The data type item stores, for example, video data or audio data, and information for identifying terrestrial, satellite broadcasting, or CATV. In the brightness rate item, information (referred to as brightness rate information) indicating the ratio of illuminance change at the position of the brightness sensor (in this embodiment, the position of the content reproduction device 3) is stored.

<Configuration of Content Playback Device 3>
FIG. 4 is a schematic block diagram showing the configuration of the content reproduction apparatus 3 according to this embodiment. In this figure, the content reproduction device 3 includes a content acquisition unit 301, an illumination control information extraction unit 302, a content reproduction unit 303, a video output unit (display) 31, an audio output unit (speaker) 32, a communication unit 304, and illumination device information. An acquisition unit 305, an illumination device information storage unit 306, an illuminance detection unit (brightness sensor) 33 (brightness detection unit), a viewing environment setting unit 307, a viewing environment information storage unit 308, and an illumination control unit 309 are configured. The

The content acquisition unit 301 transmits a content request to the content providing apparatus 1. In addition, the content acquisition unit 301 acquires content data from the content providing apparatus 1. The acquisition destination of the content data is not limited to the one via the Internet 6, but may be broadcast content data obtained via an antenna (not shown) or recorded content data obtained via a home network. The content acquisition unit 301 outputs the acquired content data to the illumination control information extraction unit 302.
The illumination control information extraction unit 302 extracts illumination control information from the content data input from the content acquisition unit 301. The illumination control information extraction unit 302 outputs the extracted illumination control information to the illumination control unit 309. In addition, the illumination control information extraction unit 302 outputs the content data to the content reproduction unit 303.

The content reproduction unit 303 divides the content data input from the lighting control information extraction unit 302 into video data and audio data. The content reproduction unit 303 reproduces the content by outputting the divided video data to the video output unit 31 and outputting the audio data to the audio output unit 32. In addition, the content reproduction unit 303 outputs reproduction time information indicating the reproduction time of the content being reproduced to the illumination control unit 309.
The communication unit 304 communicates with the lighting devices 51, 52, and 53 via the network 4.

The lighting device information acquisition unit 305 acquires detailed information of the lighting devices 51, 52, and 53 from the lighting devices 51, 52, and 53 via the communication unit 304, respectively. The lighting device information acquisition unit 305 generates lighting device information based on the acquired detailed information, and stores the generated lighting device information in the lighting device information table (see FIG. 5) of the lighting device information storage unit 306.
The illuminance detection unit 33 detects the illuminance at the position where the sensor is provided, that is, the content reproduction device 3. The illuminance detection unit 33 outputs illuminance information (detection information) indicating the measured value (illuminance value) of the detected illuminance to the viewing environment setting unit 307.

The viewing environment setting unit 307 controls the illumination emitted by the illumination devices 51, 52, and 53 by transmitting output values to the illumination devices 51, 52, and 53 via the communication unit 304. Here, the output value is a value used for dimming of the illumination device, and is associated in advance with a voltage applied to the illumination. The viewing environment setting unit 307 acquires the illuminance information detected by the illuminance detection unit 33 after the control.
The viewing environment setting unit 307 selects a lighting device to be controlled at the time of content playback based on the acquired illuminance information (referred to as a first device selection process). As a result of the selection, the viewing environment setting unit 307 updates the control management information in the lighting device information table (see FIG. 5) of the lighting device information storage unit 306, which indicates whether to control.

The viewing environment setting unit 307 controls the selected lighting device to emit light with an output value for each predetermined pattern. Here, when a plurality of illumination devices are selected, the viewing environment setting unit 307 performs control for each pattern combination (output value pattern). As a result of the control, the viewing environment setting unit 307 acquires illuminance information detected by the illuminance detection unit 33 for each output value pattern (referred to as illuminance acquisition processing). The viewing environment setting unit 307 stores illuminance information for each output value pattern (referred to as illuminance information by pattern) in the illuminance information table by pattern (FIG. 6) of the viewing environment information storage unit 308. Also, the viewing environment setting unit 307 generates viewing environment information (brightness control information) based on the illuminance information for each pattern, and stores it in the viewing environment information table (FIG. 5) of the viewing environment information storage unit 308.
Details of the processing performed by the viewing environment setting unit 307 will be described later.

Based on the illumination control information input from the illumination control information extraction unit 302, the reproduction time information input from the content reproduction unit 303, and the viewing environment information read from the viewing environment information storage unit 308, the illumination control unit 309 The output values of the devices 51, 52 and 53 are determined. The illumination control unit 309 is control information indicating the determined output value, and generates control information for each of the illumination devices 51, 52, and 53. The illumination control unit 309 transmits each of the generated control information to the illumination devices 51, 52, and 53 via the communication unit 304 based on the illumination device information.
In addition, the illuminating devices 51, 52, and 53 that have received the control information extract their own output values from the control information, and set the output values. The lighting devices 51, 52, and 53 emit light at the output of the set output value.

  FIG. 5 is a schematic diagram illustrating an example of a lighting device information table according to the present embodiment. As illustrated, the lighting device information table includes an ID (identifier) for identifying the lighting device, an address indicating the location of the device on the network, a rated power consumption, a current output value in the lighting device, and a current power consumption. , Power coefficient, and control management information columns. Here, the address indicates the location of each lighting device on the network 4, and is used by the communication unit 304 to communicate with each lighting device. The rated power consumption is a standard value indicating power consumption under a predetermined condition, and is determined for each lighting device. The power coefficient is a value obtained by dividing the current power consumption by the current output value. The lighting device information table is data in a two-dimensional tabular format including rows and columns in which lighting device information is stored for each ID.

FIG. 5 shows, for example, that the lighting device with ID “light_xxx” has an address of “0X0001” and a rated power consumption of “10” W (watts). This figure also shows that the current output value of this lighting device is “100”, and the power consumption in that case is “6” W (watts), so that “0.06” (6 ÷ 100) is stored. This figure also shows that the lighting device is a “target” of control by the content reproduction device 3.
The ID may be identification information (for example, living room, dining room, western room, etc.) that is easy for the user to understand. In FIG. 5, addresses in the address format used in ZigBee are described. However, when the network 4 is an IP (Internet Protocol) network, an IP address is used as the address. Further, when the current power consumption cannot be acquired from the lighting device, the content reproduction device 3 may estimate the power consumption based on the rated power consumption and the current output value to obtain the current power consumption. For example, the ratio (for example, 50%) of the actual power consumption with respect to the rated power consumption is stored in advance, and it is estimated that current power consumption = rated power consumption × (current output value ÷ 100) × ratio.

  FIG. 6 is a schematic diagram illustrating an example of the illuminance information table by pattern according to the present embodiment. This figure is a diagram in the case where the viewing environment setting unit 307 has selected the lighting devices with IDs “light_xxx” and “light_yyy” in the first device selection process. As illustrated, the illuminance information table for each pattern includes the output value of the lighting device selected in the first device selection process (output value 1 of “light_xxx”, output value 2 of “light_yyy”), and each of the illuminance values. Has a column of items. The pattern-specific illuminance information table is two-dimensional tabular data composed of rows and columns storing pattern-specific illuminance information for each output value pattern (in FIG. 6, a combination of output value 1 and output value 2). .

FIG. 6 shows four outputs of “100” and “100”, “100” and “0”, “0” and “100”, “100” and “0” as combinations of the output value 1 and the output value 2. Indicates that there is a value pattern.
Here, the output value is “0” (for example, extinguishes) when each lighting device outputs the light with the lowest illuminance, and “100” when the light with the highest illuminance is output. It may be a value other than “0” and “100”. However, for example, the output value is predetermined so that the illuminance output from the lighting device increases as the value increases.
This figure shows, for example, that the illuminance value is “90” in the output value pattern in which the output value 1 is “100” and the output value 2 is “100”.

FIG. 7 is a schematic diagram illustrating an example of the viewing environment information table according to the present embodiment. This diagram is a diagram when the viewing environment setting unit 307 generates viewing environment information based on the illuminance information table by pattern of FIG. As shown in the drawing, the viewing environment information table includes the illuminance coefficient (the illuminance coefficient 1 for the output value 1 and the illuminance coefficient 2 for the output value 2) related to the output value of the illumination device selected in the first device selection process, content reproduction The apparatus 3 has columns for each item of minimum value and maximum value of illuminance.
FIG. 7 shows that the illuminance (Y) in the content reproduction apparatus 3 can be linearly approximated by Y = 0.1X ₁ + 0.2X ₂ +30 using the output value 1 (X ₁ ) and the output value 2 (X ₂ ). Show. FIG. 7 shows that the content reproduction apparatus 3 controls the illumination apparatus so that the maximum value of illuminance is “80”.

<Operation of Content Playback Device 3>
Hereinafter, the operation of the content reproduction apparatus 3 will be described. Note that the processing performed by the content reproduction device 3 includes pre-setting processing (FIGS. 8, 9, and 10) performed by the lighting device information acquisition unit 305 and the viewing environment setting unit 307, and illumination performed by the lighting control unit 309 during content reproduction. Control processing is roughly divided into two.

  FIG. 8 is a flowchart illustrating an example of the operation of the lighting device information acquisition unit 305 according to the present embodiment. The content playback device 3 performs this operation when it is activated. However, the content reproduction apparatus 3 may not perform this operation every time it is activated. For example, the content reproduction apparatus 3 may operate only when there is an input instruction from the user, or may operate only when a predetermined date or period has passed by a timer.

(Step S101) The lighting device information acquisition unit 305 transmits a device discovery request. This device discovery request is broadcast to the network 4 and received by all the lighting devices connected to the network 4. When each of the lighting devices receives the device discovery request, the lighting device transmits a response to the request to the content reproduction device 3. Thereafter, the process proceeds to step S102.
(Step S <b> 102) The lighting device information acquisition unit 305 receives the response transmitted in step S <b> 101 from each lighting device via the communication unit 304. Thereafter, the process proceeds to step S103.

(Step S103) The lighting device information acquisition unit 305 determines whether or not a certain period (for example, 10 seconds) has elapsed since the transmission of the device discovery request. If it is determined that the certain period has elapsed (YES), the process proceeds to step S104. If it is determined that the predetermined period has not elapsed (NO), the process returns to step S102. That is, since it takes time from the transmission of the device discovery request to the reception of the response, the lighting device information acquisition unit 305 waits for reception in a certain period.
(Step S104) The lighting device information acquisition unit 305 determines whether or not a response from the lighting device has not been received in step S102. If it is determined that a response has not been received (YES), the operation is terminated. That is, if there is no response, the lighting device information acquisition unit 305 determines that there is no lighting device to be controlled, and ends this operation. On the other hand, when it determines with having received the response (NO), it progresses to step S105.

(Step S105) The lighting device information acquisition unit 305 transmits an information acquisition request to the lighting device that has received the response in step S102. When each of the lighting devices receives the device discovery request, the lighting devices transmit detailed information of the device itself to the content reproduction device 3. This detailed information includes rated power consumption, current output value (0 to 100), current power consumption, and the like. The lighting device information acquisition unit 305 receives and acquires detailed information transmitted from each lighting device. Thereafter, the process proceeds to step S106.
(Step S106) The lighting device information acquisition unit 305 calculates a power coefficient based on the detailed information acquired in step S105. Specifically, the lighting device information acquisition unit 305 divides the current power consumption of the detailed information by the current output value. Thereafter, the process proceeds to step S107.
(Step S107) The lighting device information acquisition unit 305 generates lighting device information including the detailed information acquired in step S105 and the power coefficient calculated in step S107, and stores the generated lighting device information in the lighting device information table. To do. Thereafter, the operation is terminated.
With the above operation, the lighting device information of each lighting device is stored in the lighting device information storage unit 306.

FIG. 9 is a flowchart showing an example of the operation in the first device selection process in the viewing environment setting unit 307 according to the present embodiment. This operation is performed following the operation of FIG.
(Step S201) The viewing environment setting unit 307 selects one piece of lighting device information from the viewing environment information table in the lighting device information storage unit 306. Here, the viewing environment setting unit 307 selects lighting device information other than the lighting device information selected in the previous step S201. Note that the lighting device of the selected lighting device information is the lighting device to be controlled. In the first step S201, the viewing environment setting unit 307 may arbitrarily select the lighting device information, or select according to a predetermined rule (for example, the first lighting device information in the viewing environment information table). May be. Thereafter, the process proceeds to step S202.
(Step S202) The viewing environment setting unit 307 acquires illuminance information detected by the illuminance detection unit 33. That is, the content reproduction device 3 measures the illuminance. Thereafter, the process proceeds to step S203.

(Step S203) The viewing environment setting unit 307 extracts the address of the lighting device information selected in Step S201. The viewing environment setting unit 307 controls the illumination device with the extracted address to emit light with an output value obtained by adding a predetermined value (for example, “30” is increased or decreased). As a result, the illuminance (brightness) to be output from the lighting device with the lighting device information selected in step S201 changes. Thereafter, the process proceeds to step S204.
(Step S204) The viewing environment setting unit 307 acquires the illuminance information detected by the illuminance detection unit 33. Thereafter, the process proceeds to step S205.

(Step S205) The viewing environment setting unit 307 determines whether or not the difference between the illuminance value indicated by the illuminance information acquired in step S204 and the illuminance value indicated by the illuminance information acquired in step S204 is greater than or equal to a predetermined value. Determine whether. That is, the viewing environment setting unit 307 determines whether or not the illuminance value has changed by a predetermined value or more by the control in step S203. If it is determined that the illuminance value has changed by a predetermined value or more (YES), the process proceeds to step S207. On the other hand, if it is determined that the illuminance value does not change more than a predetermined value (NO), the process proceeds to step S206.
(Step S206) The viewing environment setting unit 307 updates the viewing environment information table with the control management information of the lighting device information selected in Step S201 as “not applicable”. As a result, the content reproduction apparatus 3 controls, for example, an illumination apparatus that does not greatly affect the illuminance in the content reproduction apparatus 3, such as the illumination apparatus 53 (FIG. 1) in another room (Western room B). Can be excluded. Thereafter, the process proceeds to step S207.

(Step S207) The viewing environment setting unit 307 determines whether all of the lighting device information in the viewing environment information table has been selected. That is, the listening environment setting unit 307 determines whether or not the processing of steps S202 to S206 has been completed for all devices. If it is determined that the processing has been completed for all devices (YES), the operation is terminated. On the other hand, when it determines with the process not being complete | finished about all the apparatuses (NO), it returns to step S201.
In the operation of FIG. 9 described above, the processes in steps S203 to S206 are repeated for an output value obtained by adding different values (for example, “10”, “20”, “40”, or “50” is increased or decreased). May be. In step S206, the viewing environment setting unit 307 may delete the control management information of the lighting device information selected in step S201 from the viewing environment information table.
In the above operation, the illumination device whose illuminance value does not change by a predetermined value or more even when the output value is changed is described as “excluded” for control. The device information may be displayed on the display, and the user may change whether the control is “target” or “non-target”.

  FIG. 10 is a flowchart illustrating an example of the operation in the illuminance acquisition process in the viewing environment setting unit 307 according to the present embodiment. Note that this operation is performed, for example, immediately before the reproduction of the content data is started. Moreover, the result (illuminance information according to pattern) of the illuminance acquisition processing executed before may be stored, and thereafter, the illuminance information according to pattern may be used. Can be omitted.

(Step S301) The viewing environment setting unit 307 reads the ID of the lighting device information whose control management information is “target” from the lighting device information table. The viewing environment setting unit 307 sets a predetermined output value pattern for each read ID, and generates an output value pattern that is a combination of the set patterns. That is, the viewing environment setting unit 307 generates an output value pattern that covers all combinations of output values.
For example, in the example of FIG. 5, the viewing environment setting unit 307 reads two IDs “light_xxx” and “light_yyy” from the lighting device information table, and sets output value patterns “0” and “0” for each predetermined ID. 100 "is set. In this case, the viewing environment setting unit 307 generates 4 (2 squared) output value patterns indicated by the output value 1 and the output value 2 in FIG. For example, when there are three output value patterns “0”, “50”, and “100”, the viewing environment setting unit 307 generates nine (3 square) output value patterns. . The viewing environment setting unit 307, when reading out N IDs, generates N output value patterns when the number of output value patterns for each ID is M. Further, by making the number of output value patterns for each ID smaller than a predetermined value, it is possible to prevent the number of output value patterns from increasing and the load of illuminance acquisition processing from increasing. Thereafter, the process proceeds to step S302.

(Step S302) The viewing environment setting unit 307 selects one combination from the output value pattern generated in Step S301. Here, the viewing environment setting unit 307 selects an output value pattern other than the output value pattern selected in the previous step S301. In the first step S302, the viewing environment setting unit 307 may arbitrarily select an output value pattern, or may select it according to a predetermined rule. The viewing environment setting unit 307 transmits the output value of each lighting device of the selected output value pattern to the lighting device. Each lighting device emits light at the received output value. Thereafter, the process proceeds to step S303.
(Step S303) The viewing environment setting unit 307 acquires the illuminance information detected by the illuminance detection unit 33. That is, the content reproduction device 3 measures the illuminance. The viewing environment setting unit 307 stores the illuminance information for each pattern including the illuminance value indicating the measured illuminance in the illuminance information table for each pattern. Thereafter, the process proceeds to step S304.
(Step S304) The viewing environment setting unit 307 determines whether or not all the output value patterns generated in step S301 have been selected. That is, the listening environment setting unit 307 determines whether the processes in steps S302 to S303 have been completed for all output value patterns. Thereafter, the process proceeds to step S305.

(Step S305) The viewing environment setting unit 307 reads the illuminance information table by pattern and calculates the difference between the maximum value and the minimum value of the illuminance value. For example, in the example of FIG. 6, the viewing environment setting unit 307 calculates the difference between the maximum value “90” and the minimum value “30” of the illuminance value as “60”. Thereafter, the process proceeds to step S306.
(Step S306) The viewing environment setting unit 307 determines whether or not the difference calculated in step S305 is greater than or equal to a predetermined threshold value. When it determines with it being more than a threshold value (YES), it progresses to step S307. On the other hand, when it determines with it being smaller than a threshold value (NO), it progresses to step S311.

(Step S307) The viewing environment setting unit 307 calculates a relational expression (relational information) between the output value and the illuminance value of each lighting device. Specifically, the viewing environment setting unit 307 calculates a relational expression using linear approximation. That is, the viewing environment setting unit 307 uses Y = α ₁ X ₁ + α ₂ X ₂ +... Using the output value X _n and the illuminance value Y of each of the N illumination devices n (n = 1 to N). Illuminance coefficients α ₁ , α ₂ ,..., Α _N and a constant β satisfying + α _N X _N + β (this formula is referred to as an illuminance calculation formula) are calculated. Here, the illuminance coefficient α _n indicates a ratio of how much the illuminance value in the content reproduction device 3 changes when the output value in the illumination device n is changed. In the example of FIG. 6, N = 2, α ₁ = 0.1, α ₂ = 0.4, and β = 30. When N = 2, the unknowns (α ₁ , α ₂ , β) are 3 (N + 1). Therefore, by setting the output pattern for each ID to 2, 4 (≧ 3) output value patterns are obtained. The unknown can be determined using the illuminance value. Thereafter, the process proceeds to step S308.

(Step S308) The viewing environment setting unit 307 calculates the maximum value of the illuminance value using the calculated illuminance coefficient α _n and the constant β. Specifically, the viewing environment setting section 307 substitutes the maximum value of the output value X _n to the respective output values X _n, the maximum value of the illuminance value Y. The viewing environment setting unit 307 determines whether the calculated maximum illuminance value is equal to or greater than a predetermined threshold value. If it is determined that the maximum illuminance value is greater than or equal to a predetermined threshold (YES), the process proceeds to step S309. On the other hand, when it is determined that the maximum value of the illuminance value is smaller than a predetermined threshold value (NO), the process proceeds to step S310.

(Step S309) The viewing environment setting unit 307 changes the maximum illuminance value calculated in Step S308 to a threshold value. For example, when the maximum illuminance value is calculated as “90” in step S308 (see FIG. 6), if the threshold is “80”, the maximum illuminance value is changed to “80” (FIG. 6). 7). As will be described later, the content reproduction device 3 controls the lighting device so that the maximum illuminance value after the change becomes the maximum illuminance value by illumination. Thereby, the content reproduction apparatus 3 can prevent the illumination from becoming brighter than the threshold value and increasing the power consumption. Thereafter, the process proceeds to step S510.
(Step S310) The viewing environment setting unit 307 sets the illuminance coefficient α _n calculated in step S307, the constant β, and the maximum value of the illuminance value calculated in step S308, or the changed value when changed in step S309. The maximum value of the illuminance value is stored in the viewing environment information table as viewing environment information.

(Step S311) The viewing environment setting unit 307 determines not to perform the control by the illumination control unit 309. That is, the viewing environment setting unit 307 stops the control of the lighting device. In addition, as a situation where the difference calculated in step S305 is smaller than the threshold value, there is a lighting device that is not a control target in the same room or when the sunlight is inserted into the room during the day. If there is a strong influence, etc. The content reproduction device 3 can stop the process in a situation where the difference calculated in step S305 is smaller than the threshold value, that is, the change in illuminance according to the output change in the lighting device is small and there is almost no lighting effect. Power consumption due to can be suppressed.

  FIG. 11 is a flowchart illustrating an example of operations of the illumination control information extraction unit 302 and the illumination control unit 309 according to the present embodiment. This operation is performed in conjunction with content reproduction by the content reproduction unit 303, that is, content viewing by the user.

(Step S401) The illumination control information extraction unit 302 extracts illumination control information in the content data. Thereafter, the process proceeds to step S402.
(Step S402) The illumination control unit 309 extracts brightness rate information of the illumination control information extracted in step S401. The illumination control unit 309 calculates an illuminance value that is a ratio indicated by the extracted brightness rate information, based on the viewing environment information in the viewing environment information table. Specifically, the illumination control unit 309 uses the brightness rate information (L), the maximum value (S _max ) and the minimum value (S _min ) of the viewing environment information to change the desired illuminance value (Y1) to Y1. = S _min + (S _max −S _min ) × L For example, when the brightness rate information is “40”% and the viewing environment information table is FIG. 7, the illumination control unit 309 calculates Y1 = 30 + (80−30) × 40 ÷ 100 = 50. Thereafter, the process proceeds to step S403.

(Step S403) The illumination control unit 309 reads the viewing environment information from the viewing environment information table and generates an illuminance calculation formula. For example, in the viewing environment information table of FIG. 7, the illumination control unit 309 generates Y = 0.1X ₁ + 0.4X ₂ +30. Thereafter, the process proceeds to step S404.
(Step S404) The lighting control unit 309 reads lighting device information whose control management information is “target” from the lighting device information table. The lighting control unit 309 calculates the power consumption (Z) by multiplying and adding the output value _Xn to the power coefficient of each of the read lighting apparatus information (power coefficient of the lighting apparatus n). (Referred to as a power consumption calculation formula). For example, in the case of the lighting device information table in FIG. 5, the lighting control unit 309 generates Z = 0.06X ₁ + 0.5X ₂ as a power consumption calculation formula. Thereafter, the process proceeds to step S405.

(Step S405) illumination control unit 309, based on the illuminance calculation formula and consumption power calculation formula to calculate the output value X _n of the lighting device n each. Specifically, the illumination control unit 309 substitutes the desired illuminance value (Y1) calculated in step S402 for Y in the illuminance calculation formula generated in step S402. The illumination control unit 309 calculates an output value _Xn that satisfies the illuminance calculation formula that substitutes the desired illuminance value (Y1) and that minimizes the power consumption (Z) in the power consumption calculation formula. This calculation can be performed using a general linear programming method. For example, the illumination control unit 309 calculates the output value _Xn by performing an iterative operation using the simplex method.
In the case of the lighting device information table in FIG. 5 and the viewing environment information table in FIG. 7, the lighting control unit 309 satisfies 50 = 0.1X ₁ + 0.4X ₂ +30 and Z = 0.06X. X ₁ = “100” and X ₂ = “25” are calculated as the output value X _{n at} which ₁ + 0.5X ₂ is minimized. Thereafter, the process proceeds to step S406.

(Step S406) The illumination control unit 309 generates control information including the output value _Xn calculated in step S405. The illumination control unit 309 reads the address of each illumination device n from the illumination device information table. The illumination control unit 309 generates the control generated at the read address from the start time to the end time of the illumination control information extracted in step S401 when the playback time indicated by the playback time information input from the content playback unit 303 is Send information. The lighting device n that has received the control information extracts the output value _Xn of the own device from the control information, and sets the output value. The illumination device n emits light with the output of the set output value _Xn . Thereafter, the processing in steps S401 to S406 is repeated until the content is completed.
For example, in the case of the lighting device information table of FIG. 5 and the viewing environment information table of FIG. 7, the lighting device with ID “light_xxx” has the output value “100”, and the lighting device with ID “light_yy” has the output value. Emits light at an output of “20”. In this example, the output of the lighting device with a low power coefficient is high, and the output of the lighting device with a high power coefficient is low. Specifically, the power consumption of the entire lighting device is 0.06 × 100 + 0.5 × 2.5 = 18.5 (W). If the output value of each lighting device is uniformly “40” when the brightness rate information is “40”, 0.06 × 40 + 0.5 × 40 = 22.4 (W). In either case, the illuminance value in the content reproduction apparatus 3 is “50”. That is, the content reproduction device 3 can minimize power consumption in the entire lighting device while obtaining desired illuminance.

  As described above, according to the present embodiment, the content playback device 3 uses the illumination devices 51 and 52 based on the illuminance value detected by the illuminance detection unit 33 and the brightness rate information included in the illumination control information. , 53 are determined, and the lighting devices 51, 52, 53 are controlled so as to output light with the determined output value. Accordingly, in the present embodiment, the content reproduction device 3 can control the plurality of lighting devices 51, 52, and 53 while feeding back the detected actual illuminance value, and can obtain a desired lighting effect. .

  Moreover, according to this embodiment, the illuminating device information acquisition part 305 acquires the power consumption information which shows the power consumption in each of the illuminating devices 51, 52, and 53. In addition, the illumination control unit 309 determines the output values of the respective illumination devices 51, 52, and 53 based on the illuminance value detected by the illuminance detection unit 33, the brightness rate information included in the illumination control information, and the power consumption information. Then, the lighting device is controlled so as to output light at the determined output value. Specifically, the viewing environment setting unit 307 generates a relational expression between the output values of the plurality of lighting devices 51, 52, and 53 and the illuminance value detected by the illuminance detection unit 33, and the lighting control unit 309 includes the relational expression. The lighting devices 51, 52, and 53 are selected so that the total power consumption value indicated by the power consumption information is minimized. Thereby, in this embodiment, the content reproduction apparatus 3 can minimize the power consumption in the whole lighting apparatus while obtaining the illuminance indicated by the brightness rate information. Even if the power consumption is limited, a desired lighting effect can be obtained if the power with the minimum power consumption can be obtained.

(Second Embodiment)
Hereinafter, a second embodiment of the present invention will be described in detail with reference to the drawings.
In the present embodiment, a case will be described in which the content reproduction device selects a lighting device to be controlled during content reproduction based on the power efficiency indicating the ratio between illuminance and power consumption.
The control system is the same as in FIG. Hereinafter, the content reproduction apparatus according to the present embodiment is referred to as a content reproduction apparatus 6. In addition, the content providing apparatus according to the present embodiment is the same as the content providing apparatus 1 according to the first embodiment, and thus description thereof is omitted.

  FIG. 12 is a schematic block diagram showing the configuration of the content reproduction apparatus 6 according to the second embodiment of the present invention. When the content reproduction apparatus 6 (FIG. 12) according to the present embodiment is compared with the content reproduction apparatus 3 (FIG. 4) according to the first embodiment, the viewing environment setting unit 607 is different. However, other components (content acquisition unit 301, illumination control information extraction unit 302, content reproduction unit 303, video output unit 31, audio output unit 32, communication unit 304, illumination device information acquisition unit 305, illumination device information storage unit) The functions of the 306, the illuminance detection unit 33, and the viewing environment information storage unit 308) are the same as those in the first embodiment. A description of the same functions as those in the first embodiment is omitted.

  The viewing environment setting unit 607 selects a lighting device to be controlled during content reproduction based on power efficiency in addition to the function of the viewing environment setting unit 307 (referred to as a second device selection process).

FIG. 13 is a flowchart showing an example of the operation in the second device selection process in the viewing environment setting unit 607 according to the present embodiment. This operation is performed following the operation of FIG.
(Step S501) The viewing environment setting unit 607 determines a threshold value of a difference (illuminance difference) between the maximum value and the minimum value of the illuminance value according to the operation mode. Here, the operation modes include an “eco mode” that prioritizes power saving and a “dynamic mode” that prioritizes powerful lighting effects, which are set in advance by a user operation or the like. The threshold is a value indicating a range of illuminance values expected to be provided by the lighting device.
Specifically, in the case of the “eco mode”, the viewing environment setting unit 607 determines a threshold value that is lower than that of the “dynamic mode”. For example, the viewing environment setting unit 607 determines “0” as the threshold value in the “eco mode” and “100” as the threshold value in the “dynamic mode”. Thereafter, the process proceeds to step S502.

(Step S502) The viewing environment setting unit 607 calculates the power efficiency of each lighting device to be controlled based on the viewing environment information in the viewing environment information table and the lighting device information in the lighting device information table. Specifically, for each lighting device to be controlled, power efficiency is calculated by dividing the illumination coefficient of the viewing environment information by the power coefficient of the lighting device information. That is, power efficiency = illuminance coefficient / power coefficient.
The illuminance coefficient indicates the rate of change in illuminance according to the output value of the lighting device, and the power coefficient indicates the rate of change in power consumption according to the output value of the lighting device, so the power efficiency value depends on the power consumption. The rate of change in illuminance. A lighting device with high power efficiency can obtain high illuminance with low power consumption as compared with a lighting device with low power efficiency. Here, the illuminance is the illuminance at the position of the brightness sensor, and the illumination device at a position far from the position of the brightness sensor has lower power efficiency than the illumination device at a close position.
The viewing environment setting unit 607 stores the power efficiency information including the calculated power efficiency in the power efficiency information table of the viewing environment information storage unit 308 (FIG. 14). Also, the viewing environment setting unit 607 deletes the viewing environment information in the viewing environment information table. Thereafter, the process proceeds to step S503.

FIG. 14 is a schematic diagram illustrating an example of the power efficiency information table according to the present embodiment. This figure is a diagram when the viewing environment setting unit 607 calculates the power efficiency of each lighting device based on the viewing environment information table in FIG. 7 and the lighting device information table in FIG. 5. As shown in the figure, the power efficiency information table has columns of items of ID, illuminance coefficient, power coefficient, and power efficiency. The power efficiency information table is two-dimensional tabular data composed of rows and columns in which power efficiency information is stored for each ID.
In FIG. 14, for example, the lighting device with ID “light_xxx” indicates that the power efficiency is “1.67” (0.1 ÷ 0.06).
Hereinafter, returning to FIG. 13, the operation will be described.

(Step S503) The viewing environment setting unit 607 reads the power efficiency information table and selects the power efficiency information. Here, the viewing environment setting unit 607 selects the power efficiency information with the highest power efficiency in the first step S503. In the second and subsequent steps S503, the viewing environment setting unit 607 selects the power efficiency information with the highest power efficiency after the power efficiency information selected in the previous step S503. For example, in the example of FIG. 14, the power efficiency information with the ID “light_xxx” is selected in the first step S503. If there is the second processing in step S503, the power efficiency information with the ID “light_yyy” is selected in the second step S503.
The viewing environment setting unit 607 adds the ID of the selected power efficiency information and the illuminance coefficient to the viewing environment information table. That is, the content reproduction device 6 adds lighting devices as control targets in descending order of power efficiency. Thereafter, the process proceeds to step S504.

(Step S504) The viewing environment setting unit 607 determines whether or not all the lighting devices have been added as control targets by determining whether or not the processing of Step S503 has been performed for all IDs in the power efficiency information table. judge. When it is determined that the process of step S503 has been performed for all IDs (when it is determined that all lighting devices have been added as control targets; YES), the operation ends. When it is determined that the process of step S503 is not performed for at least one ID (when it is determined that at least one lighting device is not added as a control target; NO), the process proceeds to step S505.

(Step S505) The viewing environment setting unit 607 selects the minimum illuminance value from the illuminance information by pattern and adds it to the power efficiency information in the power efficiency information table. The viewing environment setting unit 607 calculates the maximum value of the illuminance value by performing the processing in steps S307 to S309 in the first embodiment. The viewing environment setting unit 607 adds the calculated maximum illuminance value to the power efficiency information in the power efficiency information table (see FIG. 15). Thereafter, the process proceeds to step S506.
(Step S506) The viewing environment setting unit 607 reads the power efficiency information in the power efficiency information table, and calculates the difference (illuminance difference) between the maximum value and the minimum value of the illuminance value. The viewing environment setting unit 607 determines whether or not the calculated illuminance difference exceeds the threshold determined in step S501. If it is determined that the threshold value has been exceeded (YES), the operation is terminated. On the other hand, if it is determined that the threshold value is not exceeded (NO), the process proceeds to step S503.

FIG. 15 is a schematic diagram illustrating an example of the viewing environment information table according to the present embodiment. This figure is a diagram in the case of the “eco mode” when the viewing environment setting unit 607 generates the viewing environment information based on the pattern-specific illumination information table of FIG. 6 in the eco mode. As shown in the figure, the viewing environment information table includes the illuminance coefficient (the illuminance coefficient with respect to the output value 1) related to the output value of the illuminating device selected in the first and second device selection processes, and the minimum illuminance value in the content reproduction device 6. , Has a column for each item of maximum value.
FIG. 15 shows that the content reproduction device 6 controls the lighting device with ID “light_xxx”. In this case, the illuminance (Y) in the content reproduction device 6 can be linearly approximated by Y = 0.1X ₁ +30 using the output value 1 (X ₁ ).

  As described above, according to the present embodiment, the viewing environment setting unit 607 calculates the power efficiency of each of the lighting devices 51 and 52 based on the illuminance value detected by the illuminance detection unit 33 and the power consumption information. The lighting devices are selected in descending order of power efficiency. The illumination control unit 309 controls the illumination device selected by the viewing environment setting unit 607. Thereby, in this embodiment, the content reproduction apparatus 6 can preferentially control the lighting apparatus with high power efficiency, and can reduce power consumption.

  In the second embodiment, the viewing environment setting unit 607 may use a value obtained by multiplying the illuminance coefficient by a predetermined value (for example, “100”) instead of calculating the illuminance difference.

For example, in the “eco mode”, FIG. 13 performs the following operation.
In step S501, the viewing environment setting unit 607 determines the threshold value as “0”. In step S503, the viewing environment setting unit 607 selects the power efficiency information whose ID is “light_xxx”. In step S505, the viewing environment setting unit 607 calculates the illuminance difference as “10” (illuminance coefficient “0.1” × 100 in FIG. 14). The viewing environment setting unit 607 determines that the illuminance difference “10” exceeds the threshold value “0”, and ends the operation. That is, the content reproduction device 6 does not control the illumination with low power efficiency whose ID is “light_yyy”.

  On the other hand, for example, in the “dynamic mode”, FIG. 13 performs the following operation. In step S501, the viewing environment setting unit 607 determines the threshold value as “100”. In step S503, the viewing environment setting unit 607 selects the power efficiency information whose ID is “light_xxx”. In step S505, the viewing environment setting unit 607 calculates the illuminance difference as “10” (illuminance coefficient “0.1” × 100 in FIG. 14). The viewing environment setting unit 607 determines that the illuminance difference “10” does not exceed the threshold value “100”. Thereafter, the viewing environment setting unit 607 selects the power efficiency information whose ID is “light_yyy” in the second step S503. In step S505, the viewing environment setting unit 607 calculates the illuminance difference as “50” (“10” + “0.4” × 100). The viewing environment setting unit 607 determines that the illuminance difference “50” does not exceed the threshold “100”. Thereafter, the viewing environment setting unit 607 determines that all the lighting devices have been added in step S504, and ends the operation.

Moreover, in each said embodiment, the illumination intensity detected for every time and every day of the week is memorize | stored regularly, and the difference of the past average value and the newest illumination intensity exceeds a predetermined threshold value in a certain time and a day of the week. In other words, this operation may be performed by detecting the addition of illumination or a change in arrangement.
In each of the above embodiments, the viewing environment setting unit 307 may control the illuminance (for example, the illuminance of the backlight) of the content reproduction unit 303 in addition to the lighting devices 51, 52, and 53. In this case, the viewing environment setting unit 307 outputs the illuminance information detected by the illuminance detection unit 33 as a result of the control to the viewing environment information storage unit 308.

In each of the above embodiments, luminance may be used instead of illuminance.
In each of the above embodiments, the viewing environment setting unit 307 calculates the minimum M that satisfies N to the Mth power of N + 1 or more, and generates an output value pattern using the output value pattern for each of the M IDs. May be.
In each of the above embodiments, the content data may be obtained by adding lighting control information to character data.
In each of the above embodiments, the content reproduction devices 3 and 6 may acquire the illumination control information, the video data, and the audio data separately. Further, the illumination control information is not limited to a numerical value but may be a character string.

Note that a part of the content providing apparatus 1 or the content reproducing apparatuses 3 and 6 in the embodiment described above, for example, the input unit 101, the video generation unit 102, the video input unit 103, the brightness information addition unit 104, and the content provision unit 106. , Communication unit 107, content acquisition unit 301, illumination control information extraction unit 302, content reproduction unit 303, communication unit 304, lighting device information acquisition unit 305, video output unit 31, audio output unit 32, illuminance detection unit 33, viewing environment The setting units 307 and 607 and the illumination control unit 309 may be realized by a computer. In that case, the program for realizing the control function may be recorded on a computer-readable recording medium, and the program recorded on the recording medium may be read by a computer system and executed. Here, the “computer system” is a computer system built in the content providing apparatus 1 or the content reproduction apparatuses 3 and 6 and includes hardware such as an OS and peripheral devices. The “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM and a CD-ROM, and a hard disk incorporated in a computer system. Furthermore, the “computer-readable recording medium” is a medium that dynamically holds a program for a short time, such as a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line, In such a case, a volatile memory inside a computer system serving as a server or a client may be included and a program that holds a program for a certain period of time. The program may be a program for realizing a part of the functions described above, and may be a program capable of realizing the functions described above in combination with a program already recorded in a computer system.
Moreover, you may implement | achieve part or all of the content provision apparatus 1 in the embodiment mentioned above and the content reproduction apparatuses 3 and 6 as integrated circuits, such as LSI (Large Scale Integration). Each functional block of the content providing apparatus 1 and the content reproduction apparatuses 3 and 6 may be individually made into a processor, or a part or all of them may be integrated into a processor. Further, the method of circuit integration is not limited to LSI, and may be realized by a dedicated circuit or a general-purpose processor. Further, in the case where an integrated circuit technology that replaces LSI appears due to progress in semiconductor technology, an integrated circuit based on the technology may be used.

  As described above, the embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to the above, and various design changes and the like can be made without departing from the scope of the present invention. It is possible to

  DESCRIPTION OF SYMBOLS 1, 11, 12 ... Content provision apparatus, 3, 6 ... Content reproduction apparatus, 51, 52, 53 ... Illumination apparatus, 101 ... Input part, 102 ... Video generation part, 103. ..Video input unit 104... Brightness information adding unit 105. Content storage unit 106. Content providing unit 107. Communication unit 301. Content acquisition unit 302. Illumination control information extraction unit, 303 ... content reproduction unit, 31 ... video output unit, 32 ... audio output unit, 304 ... communication unit, 305 ... lighting device information acquisition unit, 306 ..Lighting device information storage unit 33... Illuminance detection unit (brightness detection unit) 307 607... Viewing environment setting unit 308 .. viewing environment information storage unit 309.

Claims (11)

  An illumination control device that controls illumination by the plurality of illumination devices based on power consumption information indicating power consumption in each of the plurality of illumination devices and detection information indicating the brightness of illumination detected by the brightness detection unit .   The lighting control device according to claim 1, wherein an output value of each lighting device is determined based on the power consumption information and the detection information, and the lighting device is controlled to output light with the determined output value. A lighting device information acquisition unit that acquires power consumption information indicating power consumption in each of the lighting devices;
Based on the detection information, brightness information indicating predetermined brightness, and power consumption information, an output value of each lighting device is determined, and the lighting device is configured to output light at the determined output value. A lighting control unit to control,
An illumination control device according to claim 2. A viewing environment setting unit that calculates the power efficiency of each of the lighting devices based on the detection information and the power consumption information, and selects the lighting devices in descending order of the calculated power efficiency,
The illumination control device according to claim 3, wherein the illumination control unit controls the illumination device selected by the viewing environment setting unit.   The lighting control unit controls the lighting device to control the lighting device so that a total value of power consumption indicated by the power consumption information is minimized at a brightness higher than the brightness indicated by the brightness information. The lighting control device described. The viewing environment setting unit that generates relationship information between output values of the plurality of lighting devices and brightness detected by the brightness detection unit,
The lighting control device according to claim 5, wherein the lighting control unit selects the lighting device based on the relation information so that a total value of power consumption indicated by the power consumption information is minimized.   Based on detection information indicating the brightness of illumination detected by the brightness detection unit, power consumption information indicating power consumption in each of the plurality of lighting devices, and information in which brightness information indicating brightness and video are associated with each other A video playback device that plays back video while controlling illumination by a plurality of lighting devices. A plurality of lighting devices;
A video providing device that provides information in which brightness information indicating brightness and video are associated with each other;
Based on detection information indicating the brightness of illumination detected by the brightness detection unit, power consumption information indicating power consumption in each of the plurality of lighting devices, and information in which brightness information indicating brightness and video are associated with each other A video playback device for playing back video while controlling illumination by the plurality of lighting devices;
A control system comprising:   The lighting control device performs illumination by the plurality of lighting devices based on power consumption information indicating power consumption in each of the plurality of lighting devices and detection information indicating the brightness of the illumination detected by the brightness detection unit. A lighting control method including a process of controlling.   Based on the power consumption information indicating the power consumption in each of the plurality of lighting devices and the detection information indicating the brightness of the illumination detected by the brightness detection unit in the computer of the lighting control device. A lighting control program for executing a procedure for controlling lighting.   Control information for controlling illumination by the plurality of lighting devices based on power consumption information indicating the power consumption in each of the plurality of lighting devices and detection information indicating the brightness of the illumination detected by the brightness detection unit. The processor to generate.

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