45results about "Broadcast/distribution synchronisation by plural systems" patented technology

An electronic device is provided. The electronic device is configured to, based on synchronizing, in accordance with synchronizing to a periodic advertisement of a second external electronic device indicated by information from a first external electronic device, to a broadcast isochronous stream (BIS) from the second external electronic device, provide a first audio service outputting audio via a speaker, while the first audio service is provided, receive, from the first external electronic device, a request that ceases the synchronizing to the BIS and maintains the synchronizing to the periodic advertisement, and, while providing a second audio service based on data received from the first external electronic device, cease the synchronizing to the BIS and maintain the synchronizing to the periodic advertisement.

The invention provides a cross-data-center emergency broadcast method and device. An emergency broadcast management system receives emergency command information input by a user through an emergency task configuration page; identifying the emergency command information to obtain emergency key information and an emergency range; sending the emergency key information to a data center in an emergency range; the data center receives emergency key information sent by the emergency broadcast management system; starting a corresponding emergency template in the emergency time period according to the emergency time period information and the corresponding emergency template description information; loading the emergency description information to an emergency template to obtain broadcast information; and controlling a broadcast system to broadcast the broadcast information. According to the invention, the user can freely set the emergency time period information, the emergency template corresponding to the emergency time period and the emergency range, the unified emergency broadcast of multiple data centers is realized, the emergency command rhythm of the data centers is standardized, the professional, standardized and digital levels of the operation work of the data centers are effectively improved, and the operation and maintenance management efficiency is improved.

This invention provides technology for more effectively transmitting or receiving advanced digital broadcasting services. [Solution] A time control method for a broadcast receiving device capable of receiving broadcast waves in which 4K broadcast services and 2K broadcast services are simultaneously broadcast via a broadcast transmission line, wherein the device receives the 4K broadcast service transmitted in the MMT format included in the broadcast wave, demodulates it, and displays the broadcast program of the 4K broadcast service; it receives the 2K broadcast service transmitted in the MPEG2-TS format included in the broadcast wave, demodulates it, and displays the broadcast program of the 4K broadcast service; and performs time control to control the clock synchronization process of the 4K broadcast service and the clock synchronization process of the 2K broadcast service, wherein the time control is configured to continue the clock synchronization process of the 2K broadcast service even when the broadcast program of the 4K broadcast service is being displayed, and to continue the clock synchronization process of the 4K broadcast service even when the broadcast program of the 2K broadcast service is being displayed.

According to one aspect of the present disclosure, a transmission method for enabling transmission of content using a broadcast and a communication channel includes: transmitting playback control information and service information using at least the broadcast wave, the service information being information for playing back content transmission using the broadcast and content transmission using the communication channel when the content is transmitted using the broadcast and the communication channel. The service information includes the content and location information that indicates a location for acquiring meta-information on playback control of the second content. The playback control information includes indexes of a relationship between the first content data and the second content data.

Described is a method of audio processing in a HbbTV terminal device. The method includes receiving a decoded broadcast feed including a first audio track, receiving HbbTV content relating to the broadcast feed, the HbbTV content including a second audio track, extracting level-related information from the decoded broadcast feed, wherein the level-related information is embedded in the decoded broadcast feed and enables to obtain an indication of an original audio level of the first audio track, analyzing the first audio track for determining an actual audio level of the first audio track, determining a gain factor based on the actual audio level and the original audio level, and generating a third audio track for output by the HbbTV terminal device based on the first audio track, the second audio track, and the gain factor. Also described is an apparatus for carrying out the method, as well as corresponding programs and computer-readable storage media.

To provide a technique of more suitably transmitting or receiving an advanced digital broadcast service.SOLUTION: A time control method in a broadcast reception device capable of receiving a broadcast wave performing a simultaneous broadcasting of a 4K broadcast service and a 2K broadcast service via a broadcast transmission line, is configured so that the 4K broadcast service transmitted in an MMT system contained in the broadcast wave is received, a broadcast program of the 4K broadcast service is demodulated and displayed, the 2K broadcast service transmitted in an MPEF2-TS system contained in the broadcast wave is received, the broad cast program of the 4K broadcast service is demodulated and displayed, and a time control for controlling a clock synchronization processing of the 4K broadcast service and the clock synchronization processing of the 2K broadcast service is performed, in which the time control continues the clock synchronization processing of the 2K broadcast service when displaying the broadcast program of the 4K broadcast service, and continues the clock synchronization processing of the 4K broadcast service when displaying the broadcast program of the 2K broadcast service.SELECTED DRAWING: Figure 13

In order to enable more stably processing of a broadcast signal in a case in which leap second adjustment is performed, a broadcasting control apparatus is provided which includes a time generating unit configured to generate a system time for broadcasting control, the system time being synchronized with a reference time in accordance with a predetermined time protocol, and a correction unit configured to, when leap second adjustment information indicating that leap second adjustment is scheduled to be completed at a first time in the reference time is received, correct the system time by a correction amount depending on a time length D over a correction period having the time length D from a second time earlier than the first time, wherein the time length D is set such that a correction amount per second of the system time is equal to or less than a cycle corresponding to an inverse of a video frame rate.

The application provides a communication method applied to a communication system, the communication system comprising at least a first electronic device and a second electronic device, the method comprising: playing multimedia content by the first electronic device; broadcasting and sending, by the first electronic device, first synchronization information comprising at least a first address, so that the second electronic device receives the first synchronization information; wherein the first address is an acquisition address of the multimedia content; in response to a preset operation, the first electronic device and the second electronic device establish a near field wireless communication connection, and the second electronic device caches the multimedia content according to at least the first address; the first electronic device sends a control instruction to the second electronic device through the near field wireless communication connection; and the second electronic device plays the multimedia content according to the control instruction. The communication method of the application reduces the delay of switching and playing multimedia content between devices, and increases the user experience.

Systems and methods for processing video packets that leave a dejitter buffer of a remote device in a distributed access architecture, in a manner indifferent to whether the remote device is synchronized with, or not synchronized with, a clock in a video core that provides the video packets to the remote device. Also, devices systems and methods implemented in a distributed access architecture that allow a remote device to automatically recover from a phase jump event without resetting. A remote device may recover without resetting when a negative phase jump is detected.

This application provides a communication method. The communication method is applied to a communication system, the communication system includes at least a first electronic device and a second electronic device, and the method includes: The first electronic device plays multimedia content. The first electronic device sends first synchronization information through broadcast, so that the second electronic device receives the first synchronization information, where the first synchronization information includes at least a first address, and the first address is an obtaining address of the multimedia content. In response to a preset operation, the first electronic device establishes a near field wireless communication connection to the second electronic device, and the second electronic device caches the multimedia content based on at least the first address. The first electronic device sends a control instruction to the second electronic device by using the near field wireless communication connection. The second electronic device plays the multimedia content based on the control instruction. According to the communication method in this application, a delay caused when multimedia content is switched between devices for playing is reduced, and user using experience is improved.

To provide a receiving method capable of appropriately acquiring a communication content in response to reception of a broadcast content.SOLUTION: A receiving method in a broadcast communication cooperation service includes receiving a broadcast content transmitted by broadcasting, receiving acquisition information through broadcasting, which is information for reproducing communication content transmitted through communication in synchronization with received broadcast content, and is information related to acquisition of communication content (S203), and obtaining communication content on the basis of the received acquisition information (S205).SELECTED DRAWING: Figure 19

There is provided a transmission device, a transmission method, a reception device, and a reception method that enable more appropriate transmission of time information. The transmission device includes: a generation unit that generates physical layer control information included in a physical layer frame; and a transmission unit that transmits the physical layer frame as a broadcast signal to which a layered division multiplexing system is applied, in which a broadcast signal of a first broadcast system is transmitted in a first hierarchical layer of the layered division multiplexing system, and a broadcast signal of a second broadcast system is transmitted in a second hierarchical layer of the layered division multiplexing system, and, of the physical layer control information, first physical layer control information included in the broadcast signal of the first broadcast system includes time information to be used in a synchronization process related to the broadcast signal of the second broadcast system. The present disclosure can be applied to a transmission system compatible with a broadcast system of digital terrestrial television broadcasting, for example.

A synchronization server creates an augmented radio listener experience by providing additional information, especially visual information, over a concurrent, parallel data connection to a user device during the radio broadcast. The additional information is synchronized to the radio broadcast item then playing, based on an event message received by the synchronization server from the radio station equipment. The synchronization server can implement real-time interactions between connected radio listeners and a disk jockey dashboard of the radio station. The synchronization server optionally can personalize advertisement content for transmission to user devices based on user profile information and audience criteria provided by the advertiser.

To provide a content transmission method which allows a reception side to reproduce content using broadcasting and communication even if the time to start receiving the content through the communication is delayed.SOLUTION: A transmission method for transmitting content using a broadcast wave and a communication channel includes: a generation step of generating content in a format compatible with MMT (MPEG Media Transport); a content transmission step of transmitting the content in the format generated in the generation step; and an information transmission step of transmitting, in transmitting the content using the broadcast wave and the communication channel, information indicating that there is content to be transmitted on the communication channel, information on a format of meta information for controlling reproduction of the content to be transmitted on the communication channel, and auxiliary information including location information indicating an acquisition destination of the content to be transmitted on the communication channel, using at least the broadcast wave.SELECTED DRAWING: Figure 2

Systems and methods for processing video packets that leave a dejitter buffer of a remote device in a distributed access architecture, in a manner indifferent to whether the remote device is synchronized with, or not synchronized with, a clock in a video core that provides the video packets to the remote device. Also, devices systems and methods implemented in a distributed access architecture that allow a remote device to automatically recover from a phase jump event without resetting. A remote device may recover without resetting when a negative phase jump is detected.

The present disclosure relates to a system implemented in a digital TV receiver that provides a broadcaster with a reliable method of ingesting alternative video and / or audio content received through a broadband connection, replacing parts of the main video and / or audio content, received from the broadcast transmission signal, aiming to customize the consumer's experience during digital video and / or audio consumption. The system regularly evaluates the digital TV receiver's environment parameters that may vary at any time, as well as its connection to the Internet. Sufficient requirements for the replacement process are met, namely the quality and completeness required for reproducing the alternative video and / or audio content, so as to provide success and quality of such reproduction, improving consumer experience without experiencing failures, interruptions, lack of fluidity or lack of consistency, effectively equating the consumption experience of the alternative content to the same level of quality standard as the main content.

The present technology relates to a receiving apparatus and a data processing method that can execute delay compensation with more simplified configuration. A receiving apparatus has a delay compensation block configured to delay, on the basis of time information included in a packet to be transmitted for each of a plurality of transmission paths including a broadcasting path, another packet to be transmitted by other transmission path than the reference transmission path with respect to a reference packet to be transmitted by a reference transmission path among the plurality of transmission paths to compensate a delay between the packets to be transmitted for each of the plurality of transmission paths. The present technology can be applied to television receivers having a channel bonding function, for example.

To provide a transmission method of a content capable of regenerating a content that combines broadcasting and communication on a receiving side, even if timing of receiving the content through the communication is delayed.SOLUTION: The transmission method includes: a generation step of generating a content in a format conforming to MMT; a content transmitting step of transmitting the content in the format generated in the generation step; and an information transmitting step of, when transmitting the content using both a broadcast wave and a communication channel, transmitting information indicating that there is a content to be transmitted via the communication channel, information indicating the format of meta information for playback control of the content to be transmitted via the communication path, and auxiliary information including location information indicating an acquisition destination of the content to be transmitted via the communication path by using the broadcast wave. In the generation step, auxiliary information is generated including the same in message information which is information about the acquisition of the content.SELECTED DRAWING: Figure 2

The present invention is a method for the synchronized, real-time transmission of content data between two geographically separated computing devices. It involves synchronization of timing between devices, receipt of content data at the first device, and real-time transmission to the second device. The second device sends a cue indicating which content data should be included in a broadcast feed and when. Based on this cue, the first device selects the specified content for inclusion at the designated time, and then transmits the broadcast feed to one or more consumers. This method enhances efficiency and synchronization of content transmission between remote devices, allowing real-time adjustments to the broadcast feed.

To enable quick access to content by communication when reproducing the content using both broadcasting and communication on a reception side.SOLUTION: Receiving first control data and first media data, wherein the first control data comprises first time information indicating a presentation start time of the first media data specified in a first timeline, and further receiving second control data and second media data, wherein the second control data comprises second time information indicating a presentation start time of the second media data specified in a second timeline, wherein the presence of the offset value in the first control data indicates that the presentation of the second media data is synchronized with the first media data according to the offset value; The offset value indicates a difference between the first timeline and the second timeline, and the absence of the offset value in the first control data indicates that the first timeline and the second timeline are the same.SELECTED DRAWING: Figure 19

This disclosure is directed to methods, apparatuses, and systems for providing content streams with highly targeted, interactive content in a personalized manner. A content producer can generate a user-generic content stream associated with one or more user-specific content flags, which can describe how the user-specific content can be presented along with the content stream. A content-provider can purchase or otherwise acquire the rights to insert their user-specific content into another content provider's user-generic content. Both the user-specific and user-generic content can be provided to the user by means of a voice-controlled device associated with a cloud-based profile of the user. A user can interact with the personalized content to receive supplemental information.

To enable quick access to content by communication when reproducing content using both broadcasting and communication on a receiving side. [Solution] The receiving method includes a receiving step of receiving content transmitted using both broadcast waves and a communication channel, and a playback step of playing the content when control information is received, the control information including information indicating that there is content transmitted via the communication channel and information for playing the content via the broadcast waves and the content via the communication channel, which information relates to the content transmitted via the communication channel. In the receiving step, the base layer of the content is received via the broadcast waves, and the extension layer is received via the communication channel. In the receiving step, information indicating which base layer asset corresponds to which extension layer asset is received via the communication channel. In the receiving step, information indicating the type of control information for the content transmitted via the communication channel is received via the broadcast waves.

There is provided a method for providing audio content from a first LE Audio transmitter device (10) or a second LE Audio transmitter device (20) to an LE Audio receiver device (30-1, 30-2; 32-1, 32-2; 34-1, 34-2), comprising: synchronizing the LE Audio receiver device and the second LE Audio transmitter device with the first LE Audio transmitter device; broadcasting, by the first LE Audio transmitter device using a first transmitter configuration and a first Broadcast Isochronous Stream (BIS) (40), a first audio content for reception by the LE Audio receiver device; and providing a transmitter device handover (100) by interrupting broadcasting of the first audio content by the first LE Audio transmitter device and starting broadcasting a second audio content, for reception by the LE Audio receiver device, by the second LE Audio transmitter device using said first transmitter configuration and said first BIS.

The present technology relates to a receiving apparatus and a data processing method that can execute delay compensation with more simplified configuration.A receiving apparatus has a delay compensation block configured to delay, on the basis of time information included in a packet to be transmitted for each of a plurality of transmission paths including a broadcasting path, another packet to be transmitted by other transmission path than the reference transmission path with respect to a reference packet to be transmitted by a reference transmission path among the plurality of transmission paths to compensate a delay between the packets to be transmitted for each of the plurality of transmission paths. The present technology can be applied to television receivers having a channel bonding function, for example.

The FM transmitting device generates a monaural composite signal by mixing a transmission signal modulated by a monaural audio signal with a broadcast signal obtained by delaying the monaural audio signal by an adjustment delay time. The FM repeater generates a monaural composite signal by mixing a transmission signal extracted from a received higher-level station wave with a broadcast signal obtained by delaying the monaural audio signal demodulated from the transmission signal by a relay delay time. The adjustment delay time is set to a time longer than the transmission delay time from the higher-level station to the relay station. The relay delay time is set to a length obtained by subtracting the transmission delay time from the adjustment delay time.

Systems and methods that may facilitate synchronizing the presentation of a program on multiple devices are disclosed. Amounts by which each device may delay its presentation of a program may be determined and / or sent to the devices.

This FM transmitter generates a monaural composite signal by mixing a transmission signal modulated by a monaural sound signal and a broadcast signal obtained by delaying a monaural sound signal by an adjustment delay time. The FM relay device generates a monaural composite signal by mixing a transmission signal extracted from a received host station wave and a broadcast signal obtained by delaying a monaural sound signal demodulated from the transmission signal by a relay time delay time. The adjustment delay time is set to a time longer than a transmission delay time from the host station to the relay station. The relay time delay time is set to a length obtained by subtracting the transmission delay time from the adjustment delay time.

To provide a transmission method capable of supporting proper acquisition of communication content in response to reception of broadcast content.SOLUTION: The transmission method includes steps: transmitting broadcast content via broadcasting (S502); and transmitting acquired information via the broadcast, which is information related to the acquisition of the communication content, which is a piece of information for linking communication content transmitted by communication with the received broadcast content, and playing it back, a piece of location information indicating where the communication content is stored, a piece of information indicating whether there is communication content linked to the broadcast content, and a piece of information indicating the type of communication content (S501). The acquired information includes a piece of information indicating the expiration date of the communication content.SELECTED DRAWING: Figure 26

To provide a broadcasting system and a broadcasting method for transmitting broadcast information.SOLUTION: A broadcasting system according to an embodiment includes a master station, a plurality of relay stations that relay broadcast information transmitted from the master station, and a plurality of slave stations that receive the broadcast information transmitted from the plurality of relay stations. The plurality of relay stations are time-synchronized with other relay stations, and transmit radio signals each containing the same carrier frequency with synchronized transmission timing. If a faulty relay station that cannot synchronize time with other relay stations occurs among the plurality of relay stations, one or more relay stations are selected from the plurality of relay stations, and the radio signals are transmitted by shifting the transmission timing of the selected relay stations.SELECTED DRAWING: Figure 7