Abstract: Provided is a method of providing an advertisement in an indoor space using a system including a processor and a memory storing information about a content of each of advertisements including a first advertisement. The method includes: (a) calculating a base fee of the first advertisement from a content of the first advertisement stored in the memory based on a first criterion determined in advance based on a viewer's impression of each advertisement; (b) calculating an additional fee of the first advertisement from the content of the first advertisement based on a second criterion determined in advance to determine whether to be an advertisement improper to the system; (c) selecting an advertisement to be provided from among the plurality of advertisements based on a sum of the base fee calculated and the additional fee calculated; and (d) outputting an instruction to provide, to the indoor space, the advertisement selected.

Abstract: A non-transitory tangible recording medium stores recorded AV data. The AV data includes a system stream file played by a playback device and a management information file having management information corresponding to the system stream file. The system stream file includes a first segment including repeated a first data unit that be decrypted using a first decryption key that the playback device individually has and a second data unit that cannot be decrypted by the first decryption key. The system stream file also includes a second segment which can be decrypted using a second decryption key that the playback device has in common with another playback device. The management information file has a start source packet number, which identifies a start source packet out of a plurality of source packets storing an I-picture that is a random access point, and the start source packet is situated in the second segment.

Abstract: A method includes acquiring, on a basis of a restaurant ID, menu information indicating one or more foods provided by a restaurant over a network from a second server associated with the restaurant corresponding to the restaurant ID, transmitting identification information stored in an information terminal to a first server and acquiring classification information from the first server on a basis of the identification information, generating a personalized menu for the user corresponding to the classification information on a basis of the menu information and the classification information, displaying the personalized menu through a second operation screen for accepting an order of a food to be provided by the restaurant, the second operation screen being displayed on a display of the information terminal carried by the user, and transmitting food order information indicating the food selected from the personalized menu and a seat ID to the second server.

Abstract: A method for providing information includes obtaining, from a terminal apparatus, identification information and a store identifier indicating a second restaurant, the store ID being selected on the terminal apparatus, obtaining, from the first server, taste information associated with the identification information, the taste information associated with the identification information being obtained from the first server when the first server determines that a user has permitted access to the taste information based on the identification information, arranging, on a basis of the taste information and menu information regarding the second restaurant, menu items included in the menu information in order according to the taste information, the menu information being held by the second server, and transmitting menu information regarding the menu items arranged in the order to the terminal apparatus to display the menu information regarding the menu items arranged in the order on a display screen of the terminal a

Abstract: A method for providing information in an information management system that manages taste information regarding a user including an order record at a first restaurant and that associates the taste information with identification information for identifying the user. The method includes obtaining, from a terminal apparatus, the identification information and a store identifier indicating a second restaurant in a chain different from a chain to which the first restaurant belongs, arranging, on a basis of the taste information associated with the identification information and menu information regarding the second restaurant indicated by the store identifier, menu items included in the menu information in order according to the taste information, and transmitting menu information regarding the menu items arranged in the order to the terminal apparatus to display the menu information regarding the menu items arranged in the order on a display screen of the terminal apparatus.

Abstract: A method acquires, on a basis of a restaurant ID, menu information indicating one or more foods provided by a restaurant over a network from a second server associated with the restaurant corresponding to the restaurant ID, extracts one or more first foods compatible with religion information on a basis of the menu information and the religion information, displays the one or more first foods through a second operation screen, corresponding to the second server, for accepting an order of a food to be provided by the restaurant and displayed on a display of the information terminal of a user, and transmits food order information indicating a food selected from among the one or more first foods and a seat ID to the second server.

Abstract: A method for controlling a terminal apparatus includes receiving, through an input device of the terminal apparatus, identification information and selection of a store identifier indicating a second restaurant in a chain different from a chain to which a first restaurant belongs, obtaining taste information associated with the identification information from a first sever, obtaining menu information regarding the second restaurant indicated by the store identifier from a second server relating to the second restaurant, arranging, on a basis of the taste information and the menu information regarding the second restaurant, menu items included in the menu information in order according to the taste information, and displaying menu information regarding the menu items arranged in the order on a display screen of the terminal apparatus.

Abstract: The management server obtains address information indicating a user's address and evaluation information indicating evaluation of a food or a restaurant performed by the user. A food search screen is provided with, as one of search filters, a search filter for filtering foods or restaurants on the basis of results of evaluation of foods or restaurants performed by residents of a certain area. If the user's address indicated by the address information is included in the certain area, the evaluation information indicating the evaluation of the food or the restaurant performed by the user is included in the results of the evaluation of the foods or the restaurants performed by the residents of the certain area.

Abstract: A method includes transmitting identification information stored in an information terminal to a first server and acquiring biological information of a user based on the identification information from the first server, generating information indicating a degree of dietary restriction depending on a progress of a disease of the user based on the biological information of the user, generating a personalized menu for the user based on the menu information and the information indicating the degree of dietary restriction so as to meet the information indicating the degree of dietary restriction, displaying the personalized menu on a second operation screen for accepting an order of a dish in the restaurant, the second operation screen being displayed on a display of the information terminal of the user, transmitting ordered-dish information representing the dish selected from the personalized menu and a seat ID to the second server.

Abstract: A method of providing information includes outputting a request of acquisition of menu information to a second server based on a request for a personalized menu for the user acquired from an information terminal of the user via a network, acquiring identification information stored in the information terminal from the information terminal via a network, acquiring the menu information from a second server generating information indicating a degree of dietary restriction depending on a progress of a disease of the user based on the biological information of the user, generating, based on the menu information and the information indicating the degree of dietary restriction, a personalized menu for the user so as to meet the information indicating the degree of dietary restriction, and transmitting the personalized menu to the information terminal, thereby allowing a dish to be selected from the personalized menu on the information terminal.

Abstract: A video display apparatus includes: a tone mapping processor that performs a tone mapping process of converting a luminance of a video by using conversion characteristics according to a maximum luminance of the video; and a display that displays the video that has undergone the tone mapping process. The tone mapping processor switches between a first tone mapping process of dynamically changing the conversion characteristics according to a time-dependent change in the maximum luminance of the video and a second tone mapping process that is performed using constant conversion characteristics irrespective of the time-dependent change in the maximum luminance of the video.

Abstract: A video display system includes: a tone mapping processor; a display; and a metadata processor that generates first dynamic metadata that indicates a maximum luminance that is constant over a plurality of time intervals by using static metadata. The video display system switches between: a first operation of (i) generating the first dynamic metadata by using the static metadata, performed by the metadata processor and (ii) performing the tone mapping process by using the first dynamic metadata, performed by the tone mapping processor; and a second operation of performing the tone mapping process by using second dynamic metadata in which the maximum luminance varies over the plurality of time intervals, performed by the tone mapping processor.

Abstract: A playback method of reading out and playing streams from a recording medium is provided in which are recorded a stream file, a playlist file, first and second combination information, elementary streams that can be played at the same time with the first luminance video, and elementary streams that can be played at the same time with the second luminance video. The playback method includes in a case of playing the first luminance video, reading out any one of the elementary streams listed in the first combination information of the playlist file, and playing at the same time with the first luminance video, and in a case of playing the second luminance video, reading out any one of the elementary streams listed in the second combination information of the playlist file, and playing at the same time with the second luminance video.

Abstract: A playback device reads out and plays contents from a recording medium. The playback device includes a first decoder that decodes a base video stream and an enhanced video stream, a second decoder that decodes encoded graphics data, and a first superimposer that superimposes the enhanced video information and stores enhanced high-luminance video information in a first video plain. The playback device also includes a first processor that converts color of a number of levels into a converted number of levels, a second superimposer that superimposes the decoded graphic data on the enhanced high-luminance video information, a second video plain storing the video information, and a second processor that converts color of a number of levels into a converted number of levels. The playback device further includes a third superimposer that superimposes the decoded graphic data on the high-luminance video information, and an outputter that outputs the superimposed result.

Abstract: A playback method of reading out and playing streams from a recording medium is provided in which are recorded a stream file, a playlist file, first and second combination information, elementary streams that can be played at the same time with the first luminance video, and elementary streams that can be played at the same time with the second luminance video. The playback method includes in a case of playing the first luminance video, reading out any one of the elementary streams listed in the first combination information of the playlist file, and playing at the same time with the first luminance video, and in a case of playing the second luminance video, reading out any one of the elementary streams listed in the second combination information of the playlist file, and playing at the same time with the second luminance video.

Abstract: A playback device reads out from a recording medium and plays multiple High Dynamic Range (HDR) video streams that are encoded with video information. The playback device includes a first register, a second register and a playback unit. For each of the HDR video streams, the first register stores first information indicating whether the playback device corresponds to or not, and the second register stores second information indicating whether a display device connected to the playback device corresponds to or not. The playback unit plays the HDR video streams using a playback format selected based on a playback program stored in the recording medium, in a case where the first information and the second information indicate that there are multiple playback formats corresponding to both the playback device and the display device.

Abstract: A method includes acquiring, based on a restaurant ID, menu information indicating dishes provided by a restaurant corresponding to the restaurant ID from a second server related to the restaurant via a network, transmitting identification information stored in an information terminal to a first server, acquiring allergy information related to a user from a first server based on the identification information, generating, based on the menu information and the allergy information, a personalized menu arranged for the user so as to include allergen-free or allergen-controlled dishes according to the allergy information, displaying the personalized menu for accepting an order of a dish in the restaurant, the second operation screen being displayed on a display of the information terminal of the user, and transmitting ordered-dish information representing the dish selected from the personalized menu and a seat ID to the second server.

Abstract: A video processing system includes: an acquirer that acquires video data including a main video; a format acquirer that acquires a display format that indicates a luminance dynamic range format displayable by a video display apparatus; a generator that generates first characteristics information that indicates first dynamic luminance characteristics that correspond to the display format by using the video data when a luminance dynamic range format of the main video indicated by the video data is different from the display format, the first dynamic luminance characteristics being dynamic luminance characteristics indicating a time-dependent change in luminance characteristics of the main video; and a video transmitter that outputs the first characteristics information generated by the generator.

Abstract: A video display system includes: a tone mapping processor that performs a tone mapping process of converting a luminance of a video by using conversion characteristics according to a maximum luminance of the video; and a display that displays the video that has undergone the tone mapping process. The tone mapping processor switches between a first tone mapping process of dynamically changing the conversion characteristics according to a time-depend change in the maximum luminance of the video and a second tone mapping process that is performed using constant conversion characteristics irrespective of the time-depend change in the maximum luminance of the video. When the tone mapping process used is switched from the second tone mapping process to the first tone mapping process, the conversion characteristics used is changed gradually or stepwise from the constant conversion characteristics to dynamically changing conversion characteristics over a plurality of frames.

Abstract: A video display system includes: a tone mapping processor that performs a tone mapping process of converting a luminance of a video by using conversion characteristics according to a maximum luminance of the video; and a display that displays the video that has undergone the tone mapping process. The tone mapping processor switches between a first tone mapping process of dynamically changing the conversion characteristics according to a time-dependent change in the maximum luminance of the video and a second tone mapping process that is performed using constant conversion characteristics irrespective of the time-dependent change in the maximum luminance of the video.