60results 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.

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

Embodiments herein provide a low frequency (LF) broadcast system that improves upon the LORAN-C system to help optimize the use of available spectrum while modernizing the signal structure of the broadcast signal. Specifically, embodiments may utilize an orthogonal frequency division multiplexing (OFDM) signal structure to broadcast timing and data signals in consecutive symbols of an OFDM resource block. The signal may include, for example, a comb-1, comb-2, or comb-3 signal structure. Other signal aspects such as muting schemes, modulation, frequency offset, etc. may vary depending on the desired functionality.

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.

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

The present disclosure proposes a device for executing an advertisement service and a method for operating the same, for providing a targeted advertisement according to an advertisement execution condition determined for a terminal on the basis of scanning data obtained by scanning wireless local area networks (WLANs) (for example, Wi-Fi) in an addressable TV advertisement environment. The present disclosure also proposes a device for executing an advertisement service for providing a targeted advertisement for a combination of member terminals and visitor terminals located within a home in an addressable TV advertisement environment.

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.

According to one aspect of the present disclosure, a reception method in broadcast and broadband cooperation service, the reception method includes: receiving broadcast content transmitted through broadcast; receiving acquisition information through the broadcast, the acquisition information being information used to play back broadband content transmitted through broadband while the broadband content is synchronized with the received broadcast content, the acquisition information being information relating to acquisition of the broadband content; and acquiring the broadband content based on the received acquisition information. Therefore, the broadband content can properly be acquired in response to the reception of the broadcast content.

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.

The present invention relates to an electronic device for handover of an audio service. The electronic device is characterized by: providing a first audio service on the basis of synchronization with a broadcast isochronous stream (BIS) from a second external electronic device; while the first audio service is provided, receiving a request to stop the synchronization with the BIS and maintain synchronization with a periodic advertisement; and while providing a second audio service on the basis of data received from a first external electronic device, stopping the synchronization with the BIS and maintaining the synchronization with the periodic advertisement on the basis of the request.

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

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.

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.