70results about "Plural information simultaneous broadcast" patented technology

Methods are generally described for inaudible orthogonal signal communication. An example method includes determining, based on an input message, a series of symbols, where each symbol from the series of symbols represents a numerical value, wherein each symbol from the series of symbols corresponds to a band-limited white noise tone orthogonal to each other band-limited white noise tone corresponding to each other symbol. The example method also includes generating a sub-token comprising each symbol from the series of symbols, where each symbol overlaps in time with at least one other symbol. The example method also includes modulating a carrier wave with the sub-token to produce a signal audio waveform, where the modulation uses a spread spectrum technique, and providing the signal audio waveform to a television device, where the television emits the signal audio waveform as a low-amplitude audio signal.

This broadcast receiving device comprises: a third decoder unit that acquires, from a first video stream received in a basic layer, first content of a broadcast program for which protection by first protection information is defined, and acquires, from a second video stream received in a sub-layer, second content of a broadcast program for which protection by second protection information is defined; a storage unit that stores broadcast program information including the acquired first content and second content; and a main control unit that performs copy control of the broadcast program information on the basis of the first protection information and the second protection information. The first protection information is information defining a first condition related to copying of the first content, and the second protection information is information defining a second condition related to copying of the second content.

To reduce processing for acquiring reference clock information on a reception side.SOLUTION: Transmission apparatus 30 includes a generator that generates a frame for transmission that stores a plurality of slots each containing one or more TLV (TypeLengthValue) packets obtained by multiplexing content, and a transmitter that transmits the frame for transmission, wherein a TLV packet positioned at a head within a head slot within the frame for transmission contains an IP (InternetProtocol) packet containing first reference clock information, and the IP packet containing the first reference clock information does not undergo header compression and is given a predetermined IP address.SELECTED DRAWING: Figure 35

To perform network distribution of a broadcast service in a simple mode.SOLUTION: The broadcasting service sub-system 100 has an IP transmission device and transmits a TS stream of a broadcasting service before being uplinked to an IP reception device 210 of the communication network distribution sub-system 200 via an IP network, and the communication network distribution sub-system 200 reconstructs the received IP stream into a TS stream of the broadcasting service, further demultiplexes the TS stream into a video TS stream and an audio TS stream, further converts the video stream and the audio stream into a standard HD mode and a stereo mode, and then converts the streams into a file in a streaming format. A composite service such as a multi-channel service, a main audio / sub-audio service and a caption service is realized as a plurality of streaming services in a standard form.SELECTED DRAWING: Figure 3

To provide a digital broadcast receiver capable of executing a function with a higher added value.SOLUTION: A broadcast receiving device 40100 includes a broadcast receiving unit capable of receiving broadcast data of a broadcast program content and location information describing a reference destination for acquiring data related to the broadcast data from a broadcast transmission path, a communication unit capable of receiving communication data of a program content from the reference destination described in the location information via a communication line, a recording and reproducing unit capable of recording and reproducing the broadcast data of the broadcast program content received by the broadcast receiving unit, an output unit that outputs the broadcast data of the broadcast program content reproduced from the recording and reproducing unit to an external device, and a server function unit having a server function for the external device. In the output state from the output unit, the location information in which the description of the reference destination is rewritten to the description indicating the server function unit is output together with the broadcast data reproduced from the recording and reproducing unit.SELECTED DRAWING: Figure 29A

A portable information terminal includes a controller configured to control a communication interface to transmit a charging permission response to a broadcast receiving apparatus in response to a charging permission request data transmitted when a broadcasting program that a user of the broadcast receiving apparatus desires to view contains an asset that requires charging. The charging permission response is allowed to be transmitted when positional information indicates that the portable information terminal is positioned inside of a predetermined positional range and apparatus identification information in the charging permission request data, by which the broadcast receiving apparatus is allowed to be identified, coincides with apparatus identification information stored in a memory. The controller controls the communication interface to transmit a charging denial response to the broadcast receiving apparatus when the positional information indicates that the portable information terminal is positioned outside of the predetermined positional range.

Provided is technology for more suitably transmitting or receiving an advanced digital broadcast service. Used as the means for doing so is a broadcast reception device that, together with a broadcast station device, constitutes a broadcast system, wherein: a broadcast wave data block transmitted using a broadcast wave and an online data block transmitted using a communication network, for both of which transmission from the broadcast station device has started at the same timing, and which each correspond to the same partial video content, are received; a long standby time is set which is longer than the longest time that is expected as the delay time from the start of transmission of the broadcast wave data block to the start of reception of the broadcast wave data block and which is longer than the longest time that is expected as the delay time from the start of transmission of the online data block to the start of reception of the online data block; and decoding of both data blocks for which reception has started is started at the timing when the standby time is elapsed from the start of the transmission of the broadcast wave data block and the online data block.

To collect receiver data while securing confidentiality.SOLUTION: A digital television broadcasting system according to one embodiment includes: broadcast signal receiving means for receiving a broadcast signal; and an information storage unit for recording receiver data after encrypting the receiver data in a receiver using an encryption key on the basis of an API execution command included in the broadcast signal. A transmitter transmits the API execution command.SELECTED DRAWING: Figure 8

To provide a transmission method and the like capable of guaranteeing a buffer operation of a reception device when transmitting data using an MMT system.SOLUTION: A transmission method for transmitting a plurality of transmission packets in a state where a specification by a reception buffer model is satisfied, the transmission packet including a variable-length packet header and a variable-length payload, the reception buffer model including a buffer configured to receive the transmission packet, convert a first packet configured by the variable-length packet header and the variable-length payload stored in the received transmission packet into a second packet having a fixed-length packet header subjected to header decompression, and output the second packet obtained by the conversion at a predetermined extraction rate, the plurality of transmission packets equal to or less than a predetermined number of packets are transmitted per unit time (S2301), and the predetermined number of packets is set so that the transmission packets of the minimum packet size do not continue.SELECTED DRAWING: Figure 86

To be capable of preferably performing a series of media access controls on a reception side.SOLUTION: A container of a predetermined format including a media stream is transmitted. A predetermined number of sets of media access information associated with a series of media access controls are successively inserted in a layer of the media stream or a layer of the container. For example, the media access information includes identification information for making a distinction between other media access information, and identification information for making an association with the other media access information.SELECTED DRAWING: Figure 16

To perform network distribution of a broadcast service in a simple mode.SOLUTION: The broadcasting company sub-system 100 has an insertion information sending part 140, and the insertion information sending part 140 supplies information for replacing commercial video / audio or video / audio conflicting with copyright with alternative contents to an insertion control part 270 of the communication network distribution sub-system 200. An insertion control section 270 replaces the commercial video / audio and the video / audio in conflict with the copyright with the alternative contents between the cut point and the restart point in the unit of frames. The cut point, the restart point, and the alternative content are supplied from the insertion information sending unit 140 of the broadcaster subsystem 100. Based on the program clock value of the timing at which the last ToT (time offset table) is received in the TS stream, the time (format of year, month, day, hour, minute, second, and millisecond, hereinafter also referred to as frame PTS time) based on the ToT of each frame is obtained, and switching is performed.SELECTED DRAWING: Figure 17

The present technology relates to a transmission device, a transmission method, a reception device, and a reception method with each of which it becomes possible to perform transmission of control information according to an operation form. The reception device receives first data that includes control information, which includes information necessary for channel selection of a service, and transmission sequence information indicating a sequence in which the control information is transmitted and that is transmitted in a transmission sequence corresponding to the transmission sequence information, and controls processing on second data, which includes data of a component included in the service, on the basis of the control information acquired according to the transmission sequence information. The present technology can be applied, for example, to a television receiver.

To provide a technique for more preferably transmitting or receiving an advanced digital broadcasting service.SOLUTION: In a display control method in a broadcast receiving device that can receive a broadcast wave that are simulcast between a 4K broadcast service and a 2K broadcast service via a broadcast transmission line, the 4K broadcast service included in the broadcast wave is received, demodulated, a broadcast program of the 4K broadcast service is displayed, the 2K broadcast service which is a simulcast of the 4K broadcast service is received and demodulated when emergency broadcast information is received while a broadcast program of the 4K broadcast service is being displayed, the display screen of the broadcast receiving device is forcibly switched from the display of the broadcast program of the 4K broadcast service to the display of the screen of an emergency broadcast transmitted by the 2K broadcast service.SELECTED DRAWING: Figure 1

To provide a broadcast receiving device capable of executing a more added-value high function.SOLUTION: A broadcast receiving device comprises: a reception part that receives a digital broadcast signal containing a first data flow; a communication part 121 that acquires a second data flow corresponded to the first data flow from a server device via a communication circuit; a video image decoding part 141 that decodes a video image data contained in the first data flow and / or a video image data contained in the second data flow and can generate a decoding video image data; and a digital interface 40125 that can output a video image to an external device and can acquires performance information of the external device. In a video image output control state by a digital interface, an output control state that outputs only a decoding video image of the video image data of the first data flow in accordance with the performance information of the external device and a second output control state that outputs both of the video image data of the first data flow and the video image data of the second data flow are included.SELECTED DRAWING: Figure 29A

This technology provides a more optimal method for transmitting, receiving, recording, copying, and moving advanced digital broadcasting services. [Solution] The system includes: a receiving unit that receives broadcast waves with different broadcast service content related to the same broadcast program transmitted via simulcast from a broadcasting station; a storage unit that records content information of different broadcast service content related to the same broadcast program from the simulcast broadcast waves received by the receiving unit; and a control unit that sets copy count information as one of the attribute information for each of the simulcast content pieces stored in the storage unit, and decrements the copy count information of all the simulcast content pieces with different broadcast service content stored in the storage unit by 1 when any of the simulcast content pieces is copied to another storage unit.

The embodiment of the present application provides a signal processing method, a processor and an amplitude modulation broadcast receiver, the method comprises the following steps: acquiring a radio frequency signal, and determining frequency spectrum data corresponding to the radio frequency signal by using a frequency domain conversion algorithm; determining a first noise energy value of each pair of symmetric frequency points according to the frequency spectrum data, calculating a signal-to-noise ratio corresponding to the radio frequency signal according to the first noise energy value; and adjusting the amplitude or gain of the radio frequency signal according to the signal-to-noise ratio; in the embodiment of the present application, the frequency domain conversion is performed on the received radio frequency signal to obtain the frequency spectrum data in the frequency domain, then the first noise energy value of the symmetric frequency points is acquired based on the Nyquist symmetry, the signal-to-noise ratio is calculated according to the first noise energy value and the signal energy value, and the amplitude or gain of the radio frequency signal is adjusted according to the signal-to-noise ratio, so that the quality fluctuation of the received AM signal is reduced, and the listening experience of the user is avoided from being affected.

Hybrid broadcasting and communication services are made excellently implementable. A transport stream obtained by time-division multiplexing a first transmission packet including a predetermined component and a second transmission packet including information on the predetermined component is generated. The transport stream is transmitted along a predetermined transmission path. Information on a plurality of distribution protocols, the information on each distribution protocol including at least location information and protocol identification information, for acquiring a specific component to be acquired on a communication path, or acquisition information for acquiring the information on the plurality of distribution protocols is inserted into the second transmission packet, in relation to the specific component. A receiving side can excellently receive the specific component through a distribution protocol in accordance with its own distribution network environment.

To provide a broadcast signal receiving apparatus and a broadcast signal receiving method having a function of presenting the type of supported DRM.SOLUTION: The broadcast signal receiving apparatus according to the present embodiment acquires an application existing on a communication network and including application data added to a program on the basis of first information included in a control signal of a broadcast wave for broadcasting the program, and provides a type of security management information supported by security management information processing means to the application when the acquired application acquires content including at least a video to which the security management information is applied through communication.SELECTED DRAWING: Figure 1A

To efficiently transmit a partially scrambled content in a digital broadcasting system using MMT.SOLUTION: A broadcast transmitter 100 for a digital broadcasting system using MMT as a multiplexing method includes scrambling means 140 for performing scrambling on a scramble portion as a scrambling target when the scramble portion is contained in a sub sample extracted from a video or audio broadcast content stream, and multiplexing means 150 for arranging scrambling range information including length information of each of division ranges stored in a payload of an MMTP packet out of a scramble portion and a non-scramble portion in a header portion of the MMTP packet when a sub sample containing a scrambled scramble portion and a non-scrambled non-scramble portion is stored in the payload of the MMTP packet.SELECTED DRAWING: Figure 2

To provide a technique for more appropriately transmitting or receiving an advanced digital broadcast service.SOLUTION: A generation method is for a transmission wave for transmitting a 4K broadcast service and a 2K broadcast service together. In the transmission wave, the 4K broadcast service and the 2K broadcast service are transmitted while being stored in different hierarchies composed of combinations of different segments in a plurality of frequency segments obtained by dividing a frequency band of a predetermined band of a broadcast wave into a plurality of bands. A first hierarchy in which the 4K broadcast service is stored is configured using a frequency segment of vertical polarization and a frequency segment of horizontal polarization in the broadcast wave. A second hierarchy in which the 2K broadcast service is stored is configured using at least any one frequency segment of the frequency segments of the vertical polarization and the frequency segment of the horizontal polarization in the broadcast wave.SELECTED DRAWING: Figure 20

To provide a broadcast receiver capable of executing a function with a higher added value.SOLUTION: A broadcast receiver 20100 includes a digital broadcast reception section, a network communication section, a data string conversion section capable of mixing a data string of contents received by the digital broadcast reception section with a data string acquired by the network communication section to generate a new data string, a digital interface capable of outputting the contents to an external device, and a control section. The control state in which the content is output to the external device includes a first control state in which a new data row generated by mixing is output to the external device having the network communication function, a second control state in which a data row in a state where the mixing processing is not performed is output to the external device having the network communication function, and a third control state in which a new data row generated by mixing is output to the external device not having the network communication function.SELECTED DRAWING: Figure 29A

To collect receiver data while securing confidentiality.SOLUTION: A digital television broadcast system according to an embodiment includes a broadcast signal receiver configured to receive a broadcast signal, an encryption key obtainer configured to obtain an encryption key from the broadcast signal, an encryptor configured to encrypt receiver data in the receiver using the encryption key based on a write command included in the broadcast signal to generate encrypted data, and an information writer configured to write the encrypted data into an information storage.SELECTED DRAWING: Figure 8

The objective is to provide a broadcast signal receiving device and a broadcast signal receiving method that have a function to indicate the types of DRM that are supported. [Solution] This embodiment is a broadcast signal receiving device in which, based on first information included in the control signal of a broadcast wave that broadcasts a program, an application consisting of application data attached to the program that exists in the broadcast wave, and when the acquired application acquires content to which security management information is applied, including at least video, by communication, the security management information processing means provides the application with the type of security management information that it supports.

To more surely recognize simultaneous broadcasting.SOLUTION: There is provided a transmission device including a transmission unit configured to transmit a broadcast stream including signaling information regarding a broadcast component configuring content, in which the signaling information includes a descriptor in which a service identifier or location information for identifying a service corresponding to simultaneous broadcast content among one or more services included in a transmission stream for transmitting the simultaneous broadcast content corresponding to the content is arranged, and the descriptor is included in broadcaster information regarding information of a broadcaster. The present disclosure can be applied to, for example, a transmission system corresponding to a broadcasting scheme of terrestrial digital television broadcasting.SELECTED DRAWING: Figure 4

To provide a technique for more appropriately transmitting, receiving, recording, copying and moving advanced digital broadcast services.SOLUTION: A broadcast receiving device comprises: a receiving unit for receiving broadcast waves which are transmitted from a broadcast station side by simultaneous broadcasting and of which the broadcast service contents relating to the same broadcast program are different; a storage unit for recording content information of the different broadcast service contents relating to the same broadcast program from the simultaneously broadcasted broadcast waves received in the receiving unit; and a control unit for setting copiable time information, as one of attribute information, to each of the simultaneously broadcasted content information stored in the storage unit and, regarding the copiable time information, decrementing the copiable time information of all the content information of the simultaneously broadcasted different broadcast service contents stored in the storage unit by one when any one of the simultaneously broadcasted content information is copied to the other storage unit.SELECTED DRAWING: Figure 2A

The invention relates to a system and method for improved, selective download of broadcast data. In particular the present invention relates to downloading of broadcast data effectively when disturbances occur during reception of an input signal comprising a data carousel. The invention introduces multiplication of content filters that are configured to download only a part of the data. An important feature is recognition when to reset content filters in order to resolve an issue. For the purposes of this invention, there is defined a linear address space. The important properties of this address space allow for consistent addressing without gaps and every address is greater by a single position with respect to the previous one. The address space starts with one address and ends with another one. Such chunk address space may be considered as predictable, because a synchronization can be caught by reading an address of currently broadcast section.

To provide a sound adjustment function in GUI with unified operability and design.SOLUTION: A broadcasting system, which executes broadcasting including MPEG-H audio, comprises a receiving unit for receiving an application for a user to adjust sounds, by data broadcasting.SELECTED DRAWING: Figure 2

To more securely come in contact with emergency broadcast audio while providing OBA.SOLUTION: A receiving unit receives multiplexed data in which a package containing a plurality of assets and an information table indicating configuration information of the package are multiplexed in a broadcast. A separating unit separates the information table from the multiplexed data. A selection unit selects a first audio asset containing object audio from the package on the basis of the information table. A decoding unit decodes audio data of a selected audio asset. The selection unit selects a second audio asset in preference to the first audio asset when detecting the second audio asset that does not contain an object voice.SELECTED DRAWING: Figure 2

The present disclosure relates to a transmission device, a transmission method, a reception device, and a reception method with which it is possible to reduce the processing load of a reception-side device. Provided is a transmission device comprising: a first generation unit that generates control information including channel selection information; a second generation unit that generates a transmission stream including the control information and data constituting a broadcast service; and a transmission unit that transmits the transmission stream as a broadcast signal. The channel selection information includes time information indicating the time at which a specific broadcast service is provided, transmission standard information indicating the transmission standard of the specific broadcast service, and specific information for specifying the data constituting the specific broadcast service. The transmission unit transmits the transmission stream corresponding to the specific broadcast service as a broadcast signal corresponding to the transmission standard during a period corresponding to the time. The present disclosure can be applied to, e.g., a transmission system corresponding to the next-generation broadcast standard, ISDB-T.

To provide a technique for enhancing protection of content.SOLUTION: The broadcast receiving device 100 includes a third decoder 140M that acquires first content of a broadcast program protected by first protection information from a first video stream received in a base layer and acquires second content of the broadcast program protected by second protection information from a second video stream received in a sub-layer, a storage unit 110 that stores broadcast program information including the acquired first content and second content, and a main control unit 101 that performs copy control of the broadcast program information based on the first protection information and the second protection information. The first protection information defines a first condition for copying the first content, and the second protection information defines a second condition for copying the second content.SELECTED DRAWING: Figure 36