Abstract: An apparatus and a method are provided which make it possible to allow a reception apparatus to execute a cache process in a unit of an application or in a unit of a presentation unit thereby to make it possible to achieve an application execution process of high completeness. The reception apparatus receives, from a transmission apparatus, signaling data in which an application size that is a data size of an application, application link information, and a data size of each of presentation units (PUs) that are application components are recorded. The reception apparatus compares a cache size and the data size of each of the applications and PUs with each other, determines cacheable applications or PUs as cache target data, and executes a cache process in a unit of an application or a PU.

Abstract: There is provided a reception device including a signaling template acquisition unit for acquiring a LLS signaling template in order to generate LLS signaling information transmitted in LLS and a SCS signaling template in order to generate SCS signaling information transmitted in SCS, a differential information acquisition unit for acquiring LLS differential information applied to the LLS signaling template to generate the LLS signaling information, and SCS differential information applied to the SCS signaling template to generate the SCS signaling information, and a signaling information generation unit for applying the LLS differential information to the LLS signaling template thereby to generate the LLS signaling information, and applying the SCS differential information to the SCS signaling template thereby to generate the SCS signaling information.

Abstract: The present technology relates to a reception apparatus, a reception method, a transmission apparatus, and a transmission method, by which an increase in data size of signaling information transmitted by broadcasting can be suppressed. Provided is a reception apparatus including: a reception unit that receives a broadcast wave of digital broadcasting using an IP (Internet Protocol) transmission system; and a control unit that controls, on the basis of information for managing only a broadcast component transmitted by a broadcast wave of the digital broadcasting, which is first signaling information transmitted by a broadcast wave of the digital broadcasting, or information for managing at least one component of the broadcast component and a communication component transmitted by communication, which is second signaling information transmitted by communication, operations of respective units for acquiring the at least one component of the broadcast component and the communication component.

Abstract: The present technology relates to a reception device, a reception method, a transmission device, and a transmission method that make it possible to provide content according to a preference of a user. Provided is a reception device including: a tuning control unit configured to perform tuning control for tuning digital broadcasting using an Internet Protocol (IP) transmission scheme; and an acquisition control unit configured to perform acquisition control for acquiring content transmitted in the digital broadcasting according to a result of a matching process on a provider-side PDI-A indicating an answer set by a provider that provides content to a question on preference of a user included in transmission information transmitted in an upper layer of an IP layer of protocol layers of the IP transmission scheme and client-side PDI-A indicating an answer set by the user to the question in the digital broadcasting. The present technology can be applied to, for example, a television receiver set.

Abstract: Provided is an information processing apparatus, including: a broadcast receiver capable of receiving a broadcast signal; and a controller configured to obtain at least information used to control an operation of an application, the application using a broadcast signal received by the broadcast receiver, and an application information table describing information on an expire date, to determine if the expire date of the obtained application information table is expired or not based on information on the expire date, and to invalidate start of the application based on the application information table if the controller determines that the expire date is expired.

Abstract: Information to be displayed overlaid on a video of a broadcast program is transmitted and received. At the same time, information related to display data objects which are equal in number to objects to be displayed on a screen is described in one moving object list description document. The information related to the display data object includes a position and a size of the display data object on the screen and the display data or acquisition destination information of the display data. Further, the moving object list description document and the display data of the display data object to be referred to from the moving object list description document are packaged and intermittently transmitted as a versatile data stream together with a time stamp indicating a display time of a package unit.

Abstract: There is provided an arrangement which is capable of reliably generating and transmitting viewing information with respect to contents received via a communication route other than terrestrial broadcasting waves. Contents in which a contents ID applicable to the generation of viewing information and viewing information-compatible data such as viewing information destination information or the like are recorded in an electronic watermark (WaterMark) or a sound data file are sent from a transmitting apparatus to a receiving apparatus. The receiving apparatus acquires the contents ID and the viewing information destination information, etc. from the electronic watermark (WM) or the sound data file, generates viewing information using the acquired data, and sends the generated viewing information to a designated address.

Abstract: Reception processing of broadcast content, in transmission of which an IP system is employed, is performed. An SDPT, in a header extension part of which service identification information and an SDP are arranged, in an SSC is transmitted from a broadcasting station. On a reception side, it becomes possible to acquire an intended SDPT from signaling information SSC easily at high speed by performing section filtering processing with respect to a received transport stream. Then, it is possible to access a stream of an intended channel at high speed based on an IP address and a port number described in an SDP stored in a header extension part of the acquired SDPT.

Abstract: There is provided a receiving apparatus including circuitry that is configured to receive a broadcasting stream including digital data according to an IP (Internet Protocol) having a protocol stack of layers. The circuitry is configured to use a first key acquired based on a first control signal at a first layer to decode a second key included in a second control signal transferred at a second layer, and decrypt an encoded component that corresponds to a particular broadcasting service which is included in a stream obtained through the broadcasting stream, the second layer being a higher layer than the first layer in the protocol stack.

Abstract: [Object] To stably supply an application processed together with broadcast content. [Solving Means] An information processing apparatus includes a broadcast content processing unit that receives and processes broadcast content, and a controller that acquires, for each request for acquiring an application capable of being processed together with the broadcast content from a server, an application information table in which first information for calculating a random timing is stored, and calculates, based on the first information, a timing at which the request for acquiring the application is transmitted.

Abstract: A receiving apparatus includes circuitry configured to receive a digital broadcast signal which uses an internet protocol (IP) transfer method. Based on control information included in the digital broadcast signal, the circuitry acquires at least one of a broadcast component or a communication component, and controls an operation of each section which performs a predetermined process relating to the acquired at least one component. The broadcast component and the communication component are associated with a component hierarchy including a first hierarchy level, a second hierarchy level, and a third hierarchy level for each component category.

Abstract: The present technology relates to a receiving apparatus, a transmitting apparatus, and a data processing method which are capable of providing detailed information of emergency information that is to be announced in case of emergency. The receiving apparatus receives a digital broadcast signal, and performs a process with respect to an emergency information application for presenting detailed information of emergency information on the basis of control information that is included in the digital broadcast signal and that includes information about the detailed information of the emergency information which needs to be announced urgently. The present technology is applicable to a television receiver, for example.

Abstract: There is provided a reception device including a signaling template acquisition unit for acquiring a LLS signaling template in order to generate LLS signaling information transmitted in LLS and a SCS signaling template in order to generate SCS signaling information transmitted in SCS, a differential information acquisition unit for acquiring LLS differential information applied to the LLS signaling template to generate the LLS signaling information, and SCS differential information applied to the SCS signaling template to generate the SCS signaling information, and a signaling information generation unit for applying the LLS differential information to the LLS signaling template thereby to generate the LLS signaling information, and applying the SCS differential information to the SCS signaling template thereby to generate the SCS signaling information.

Abstract: The present technology relates to a reception apparatus, a reception method, a transmission apparatus, and a transmission method, by which an increase in data size of signaling information transmitted by broadcasting can be suppressed. Provided is a reception apparatus including: a reception unit that receives a broadcast wave of digital broadcasting using an IP (Internet Protocol) transmission system; and a control unit that controls, on the basis of information for managing only a broadcast component transmitted by a broadcast wave of the digital broadcasting, which is first signaling information transmitted by a broadcast wave of the digital broadcasting, or information for managing at least one component of the broadcast component and a communication component transmitted by communication, which is second signaling information transmitted by communication, operations of respective units for acquiring the at least one component of the broadcast component and the communication component.

Abstract: Reception processing of broadcast content, in transmission of which an IP system is employed, is performed. An SDPT, in a header extension part of which service identification information and an SDP are arranged, in an SSC is transmitted from a broadcasting station. On a reception side, it becomes possible to acquire an intended SDPT from signaling information SSC easily at high speed by performing section filtering processing with respect to a received transport stream. Then, it is possible to access a stream of an intended channel at high speed based on an IP address and a port number described in an SDP stored in a header extension part of the acquired SDPT.

Abstract: Disclosed herein is a reception apparatus including: a reception portion configured to receive AV content; a trigger acquisition portion configured to acquire trigger information for operating an application program to be executed in interlocked relation to the AV content; a table acquisition portion configured to acquire a correspondence table associating a command for controlling the operation of the application program with a valid time of the command; and a control portion configured such that when the time acquired from the trigger information as indicative of the progress of the AV content satisfies a predetermined condition of validity in reference to the valid time of the command on the basis of the acquired correspondence table, the control portion controls the operation of the application program in accordance with the command being valid.

Abstract: The present technology relates to a receiving apparatus, a receiving method, a transmission apparatus, and a transmission method that enable various operation modes to be provided by hybrid delivery using broadcasting and communication. A control data acquisition unit acquires control data transmitted via broadcasting or communication, based on a descriptor, which is disposed in transmission data included in a stream transmitted via a broadcast wave of digital broadcasting, and in which information about hybrid delivery using broadcasting and communication is described, and a content control unit controls a function of each unit for performing processing of acquiring content transmitted via broadcasting or communication, based on the acquired control data. The present technology can be applied to, for example, a television receiver.

Abstract: The present technology relates to a reception apparatus, a reception method, a transmission apparatus and a transmission method in which NRT service is provided in digital broadcasting using an IP transmission method. There is provided a reception apparatus including: a channel selection control unit that performs a channel selection control of channel-selecting digital broadcasting using the IP transmission method; an acquisition control unit that controls acquisition of an application delivered through broadcasting or communication in the digital broadcasting based on signaling information transmitted at a layer higher than an IP layer in a protocol layer of the IP transmission method; and an application execution unit that executes the application acquired. The present technology is applicable to a television receiver, for example.

Abstract: Disclosed herein is a transmission apparatus for transmitting AV (Audio/Video) content, including: an acquirer configured to acquire an estimated number of audience terminals indicative of an estimated number of reception apparatuses receiving the AV content; a computer configured, in conjugation with the AV content, to compute, on the basis of the estimated number of audience terminals, a validity probability of trigger information associated with control of an application program to be executed in the reception apparatus; a generator configured to generate the trigger signal including the computed validity probability; and a transmitter configured to transmit the generated trigger information with the AV content.

Abstract: A reception apparatus and a reception method, by which a file is received in an MMT system. On a transmission side, a resource constituting an application, information mapping a URL, which indicates a location in an application, on a location on an MMT transmission path of broadcasting or the like, and information indicating a unit of display and a link relationship in the application are transmitted. On a receiver side, access ranges to hierarchical file data when a data broadcasting application is executed, and location information and size of the file data in each access range are acquired, and the application is effectively pre-cached.