97 results about "Digital broadcasting" patented technology

To provide a digital broadcast receiver capable of executing a function with higher added value. 【Solution means】A broadcast receiving apparatus capable of receiving video data of a digital broadcast program transmitted in each of a first media transport method and a second media transport method, which are at least two media transport methods having different time systems, the apparatus comprising: a first receiving unit that receives program video data transmitted in the first media transport method; a second receiving unit that receives program video data transmitted in the second media transport method; and a video information generation unit that generates output video information by synthesizing the program video data of the two media transport methods based on different time systems after synchronizing the presentation of the program video data in the two media transport methods based on different time systems by using the correspondence relationship of the notations in each time system regarding the presentation times of the program video data in the two media transport methods based on different time systems; and a display unit that displays the output video information.

The invention discloses a radio frequency index monitoring method for a terrestrial digital broadcast signal, and particularly relates to the technical field of broadcast televisions, radio frequency index data of the terrestrial digital broadcast signal are collected, the collected radio frequency index data are preprocessed, radio frequency index characteristics are extracted based on the preprocessed radio frequency index data, and the radio frequency index characteristics are analyzed to obtain a radio frequency index monitoring result. A multi-modal artificial intelligence anomaly detection model is constructed and trained, the model can fuse and process different types of radio frequency index features, the normal mode of radio frequency indexes is learned through historical data, anomaly is recognized through reconstruction errors, the extracted radio frequency index features are input into the trained multi-modal artificial intelligence anomaly detection model, and the anomaly is detected. Judging whether the current radio frequency index state is abnormal or not; and when the judgment result is abnormal, classifying according to an abnormal mode, triggering an early warning mechanism based on an abnormal detection result, sending an alarm notification to operation and maintenance personnel through a short message, an email and an operation and maintenance platform, preliminarily positioning a fault source and providing a diagnosis suggestion.

A method comprising: at an importer of an IBOC digital radio broadcasting system: establishing a data link to an audio client configured to buffer audio from an audio source over a buffering duration, to produce buffered audio; receiving, from the audio client, an indication of the buffering duration; identifying a logical channel of an IBOC waveform assigned to the audio client and configured to transmit PDUs of the audio at a PDU rate; computing a quantized number of PDUs that is greater than one into which the buffered audio is to be divided at the audio client based on the buffering duration and the PDU rate; sending, to the audio client, an indication of the quantized number of the PDUs; and upon sending importer data requests to the audio client over the data link, receiving, from the audio client, client data responses each including the quantized number of the PDUs.

This invention provides technology for more effectively transmitting or receiving advanced digital broadcasting services. [Solution] The system includes a signal generation process that generates TMCC signals and AC signals to store transmission parameters, and an OFDM frame configuration process that configures an OFDM frame containing the TMCC signals and AC signals on a predetermined carrier. The signal generation process allows for the selection of a storage format for storing the transmission parameters. The signal generation process selects the storage format based on the FFT size or OFDM carrier interval. The signal generation process generates the TMCC signals and AC signals by applying the selected storage format. The OFDM frame configuration process configures an OFDM frame containing the generated TMCC signals and AC signals.

The invention discloses a high-reliability digital broadcasting system and an abnormal fast continuous broadcasting method, and relates to the technical field of communication technology and emergency broadcasting, and the high-reliability digital broadcasting system comprises a server A, a server B, broadcasting terminal equipment and a server abnormity recovery module, the server A is provided with two redis sentry nodes, and the server B is provided with one redis sentry node; the server exception recovery module is used for switching the broadcast and quickly continuing the broadcast when the server is exceptional; when a server is started, a redis monitoring sub-process is started, and the redis monitoring sub-process performs fault transfer and master and slave node adjustment according to a local state when a master node is offline by checking the local state, the master node state and redis sentinel node information. According to the invention, when the server is abnormal, the broadcast task which is being executed can be continuously executed within one second, so that the continuous playing efficiency is greatly improved; according to the method, the redis sentry cluster is deployed by using the two servers, so that the number of the servers can be reduced, and the cost is effectively reduced.

A broadcast receiving includes a broadcast receiver that receives a broadcast wave of a digital broadcasting service; a separator that separates coded program video data, program-cooperation data, and screen layout control information, from the broadcast wave; a video decoder that decodes the coded program video data to reproduce program video information; a cooperation information generator that interprets the program-cooperation data to generate program-cooperation information; and a control unit that, when an instruction to display a given screen is input while the presentation processor divides video display region into sub-regions based on the screen layout control information, places the program video information in one of the sub-regions, places the program-cooperation information in another sub-region, and outputs the data of the video display region as the video information, outputs information of the given screen as the video information without dividing the video display region based on the screen layout control information.

To avoid overflow and underflow of a modulator input buffer for a terrestrial digital broadcast and a next-generation terrestrial broadcast and to reproduce and provide a modulator clock for slave synchronization of each broadcast program signal.SOLUTION: A STL / TTL modulator (100) in a system for multiplexing a plurality of broadcast program signals with counter values added thereto by STL / TTL and transmitting the multiplexed signals includes counter sections (14, 17) for counting clocks synchronized with a modulation clock of the STL / TTL and a plurality of counter value adding sections (151-15N, 181-18M) for adding the counter values supplied from the counter sections (14, 17) to the packets to generate broadcast program signals with counter values at timing when the packets of the plurality of broadcast program signals arrive.SELECTED DRAWING: Figure 3A

A computer-implemented system for group purchase of access to information. A seller uploads a product, specifies a total price, and defines product units. Buyers purchase one or more product units, and when all units are sold, the system provides an access key to the product. The system manages dynamic pricing, secondary markets, incentives, subscriptions, and multiple payment methods. Products support diverse formats and delivery across digital, broadcast, and physical channels. The platform includes buyer protections, seller tools, end-to-end payment handling, and third-party integrations.

To provide a technique for more appropriately transmitting or receiving a high-level digital broadcast service.SOLUTION: A reception switching method in a broadcast receiving device which receives digital broadcasting includes: a reception step of receiving digital broadcasting; an event relay determination step of performing determination processing regarding the presence / absence of an event relay on the basis of information stored in an EIT included in the digital broadcasting received in the reception step; an inquiry screen display step of displaying an inquiry screen for inquiring whether to switch to and view a program of an event relay destination if an event relay occurs in a program being viewed in a case where it is determined that there is an event relay on the basis of the EIT; an inquiry screen erasure step of erasing the display of the inquiry screen; and a reception switching step of starting reception of the program of the event relay destination after starting broadcasting of an event of the event relay destination, and switching the program to be received.SELECTED DRAWING: Figure 58

The present application relates to the field of information management technology, and provides a safety emergency information management method, system, and electronic device. The method includes a monitoring center sending a digital broadcast signal to a second transmitting end through a first transmitting end; after receiving the digital broadcast signal, the second transmitting end extracts a data interaction control instruction and converts the data interaction control instruction into a first sound wave signal of a preset frequency for transmission; after collecting a target sound wave signal within a preset frequency range, the user terminal decodes the target sound wave signal to obtain a data interaction control instruction, and sends emergency response data to the monitoring center according to the data interaction control instruction, wherein the emergency response data includes user status information determined based on the safety fence carried in the data interaction control instruction. Based on this, the monitoring center can realize data interaction with the user terminal with the help of the digital broadcast system, thereby effectively obtaining personnel information in the dangerous area.

The present invention provides a digital broadcast receiver capable of executing functions having higher added values. The broadcast receiver receives a broadcast wave of a digital broadcast service, controls an operation including activation and end of an application that is in cooperation with a broadcast program based on application-related information, and selects control relating to reactivation of the application based on a user's operation. If activation of the application is requested after the end of the application, the broadcast receiver controls the reactivation or non-reactivation of the application in accordance with the selection of control by the user.

This invention discloses an algorithm and system for audio and virtual scene synchronization adaptation in digital broadcasting, belonging to the field of virtual digital broadcasting technology. The method includes acquiring video stream data and audio stream data, identifying camera switching frames, and determining the switching type; acquiring the rendering load data of the current virtual scene to calculate the load coefficient, predicting the delay duration of the camera switching frame based on the switching type, and calculating the compensation time of the audio stream data by using the predicted delay duration and load coefficient; acquiring the historical coordinate data and current action characteristics of the virtual character, determining whether the coordinates are lagging or actually displaced, and adjusting the spatial distance attenuation coefficient of the audio stream data based on the determination result; acquiring the camera's pitch angle change data and adjusting the sound image height offset of the audio stream data; and using the compensation time, spatial distance attenuation coefficient, and sound image height offset as setting parameters for the audio stream data. This invention ensures audiovisual synchronization through adjustments in three directions: time, spatial distance, and sound image height.

To provide a digital broadcast receiver capable of executing functions with higher added value.SOLUTION: A broadcast receiving device capable of receiving a digital broadcast service that can execute an application in cooperation with a broadcast program includes: a broadcast receiving unit that receives a broadcast wave of the digital broadcast service; a separation unit that separates at least a video of the broadcast program and application-related information from the received broadcast wave; a broadcast video reproduction unit that reproduces the video of the broadcast program; a terminal cooperation control unit that controls cooperative operation with a mobile information terminal; an application acquisition unit that acquires a predetermined application based on location information acquired by referring to the application-related information; an application execution unit that executes the acquired predetermined application and outputs an application execution video; and a display unit that can display the video of the broadcast program or the application execution video. The terminal cooperation application performs determination processing for determining whether cooperation with the mobile information terminal is possible.SELECTED DRAWING: Figure 2A

To provide a broadcast receiver which can execute a function with a higher added value.SOLUTION: A broadcast receiver comprises: a digital broadcast reception unit; a network communication unit; and a data string conversion processing unit which can generate a new data string by mixing a data string of content received by the digital broadcast reception unit and a data string acquired by the network communication unit. The broadcast receiver can acquire performance information of an external device via a digital interface that can communicate with the external device, and according to the performance information of the external device, switches between outputting from the digital interface of the new data string generated by mixing the data string of the content received by the digital broadcast reception unit and the data string acquired by the network communication unit by the data string conversion processing unit and outputting from the digital interface of the data string in a state where the mixture processing is not performed when outputting the received content to the external device from the digital interface.SELECTED DRAWING: Figure 29A

A broadcast receiving device capable of receiving digital broadcast services from a broadcast system employing a specified media transmission method, extracts at least coded program image data, program coordination data, and screen layout control information related to the broadcast program from the received broadcast wave of the digital broadcast service; decodes the coded program image data; parses the program coordination data to generate program coordination information; appropriately divides the image display area according to the screen layout control information; appropriately configures the program image information and program coordination information in the divided areas and outputs them. Control is implemented such that when program image information is configured in one area divided based on the screen layout control information and program coordination information is configured and output in other areas, when a user inputs a command to display a specified screen, the information of the specified screen is output as image information without dividing the image display area based on the screen layout control information.

The present invention provides a digital broadcasting receiving device, a configuration method, and a transmission method for more effectively transmitting or receiving advanced digital broadcasting services. [Solution] In the broadcasting system, the broadcast receiving device 100 comprises one or more receiving units that receive broadcast waves of digital broadcasts, including 2K and 4K broadcast programs, transmitted simulcast from the broadcasting station, a control unit, and a remote controller. One or more receiving units perform a frequency scan on the received broadcast waves to detect multiple 2K and 4K broadcasting services that transmit 2K and 4K broadcast programs. The control unit performs a first mapping process to determine the correspondence between multiple tuning buttons on the remote controllers of each of the detected multiple 2K and 4K broadcasting services, based on the remote control IDs for the 2K and 4K broadcasting services included in the broadcast waves.

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 provide a technology for more suitably transmitting or receiving advanced digital broadcasting services.SOLUTION: A system is configured to transmit a composite wave obtained by combining an upper hierarchical modulated wave and a lower hierarchical modulated wave with different transmission powers in the same frequency band, change the difference in transmission power between the upper hierarchical modulated wave and the lower hierarchical modulated wave, and include information about the difference in transmission power in either the upper hierarchical modulated wave or the lower hierarchical modulated wave before transmitting.SELECTED DRAWING: Figure 2A

To provide a digital broadcast receiver capable of executing a function with higher added value.SOLUTION: A broadcast receiving device receives broadcast waves of a digital broadcast service, controls operations including starting and ending applications on the basis of application control information, and selects control related to operations including starting and ending multiple types of applications on the basis of a user operation. When a request is made to start a second application (broadcast managed application) while a first application (non-broadcast application or general application) is being executed, the broadcast receiving device controls at least one of ending or continuing the first application and starting or not starting the second application according to the control selection by the user.SELECTED DRAWING: Figure 28

To provide a technique for more suitably transmitting or receiving an advanced digital broadcasting service.SOLUTION: A method includes a transmission step of transmitting a first transmission wave in a first polarization direction and transmitting a second transmission wave in a second polarization direction different from the first polarization direction, a reception step of receiving the first transmission wave and the second transmission wave, and a layer identification step of identifying the layers included in the first transmission wave and the second transmission wave. In each of the first transmission wave and the second transmission wave, a predetermined bandwidth is divided into a predetermined number of segments, and in the layer identification step, a segment group having the same segment number as the segment belonging to the predetermined layer transmitted by the first transmission wave in the first polarization direction from among the segments transmitted by the second transmission wave in the second polarization direction is configured such that identification information that can be identified as a layer different from the predetermined layer is stored in the second transmission wave.SELECTED DRAWING: Figure 2A

To provide a broadcast receiving device capable of performing functions with higher added value. [Solution] The system comprises a receiving unit that receives a digital broadcast signal including a first data flow, a communication unit 121 that acquires a second data flow associated with the first data flow from a server device via a communication line, a video decoding unit 141 that can decode video data included in the first data flow and / or video data included in the second data flow to generate decoded video data, and a digital interface 40125 that can output video to an external device and acquire performance information of the external device. The video output control state by the digital interface has an output control state that outputs only the decoded video of the video data of the first data flow, and a second output control state that outputs both the video data of the first data flow and the video data of the second data flow, according to the performance information of the external device.

The utility model discloses a frequency modulation frequency band digital audio broadcast monitoring device which comprises an antenna, an FM tuning decoding module, a CDR digital audio decoding module, an audio switching module, an FPGA processing unit, a single-chip microcomputer, a remote communication module, an audio power amplifier, a loudspeaker, a buzzer and an LED button module. The FM tuning decoding module and the CDR digital audio decoding module output audio signals, and the audio switching module selects channels under the control of the FPGA and outputs the audio signals to the power amplifier driving loudspeaker. The FPGA analyzes the input audio and detects interruption and mute faults; the single-chip microcomputer receives the fault signal to control the buzzer and the LED to give an alarm, and uploads fault information through the remote communication module. The device supports analog and digital broadcast monitoring switching, has the functions of fault detection, alarm and remote monitoring, and improves the intelligent management and safe broadcast guarantee capability of the broadcast transmitting station.

The invention provides a receiving apparatus and a transmission wave processing method. A reception device for receiving a transmission wave according to the present invention comprises: a modulation / demodulation unit for receiving a plurality of different transmission waves transmitted over the air in a plurality of different polarization directions, and generating a stream by performing a demodulation process using a pair of transmission waves among the plurality of different transmission waves; and a control unit that controls the modulation / demodulation unit to modulate the plurality of different transmission waves on the basis of identification information included in the plurality of different transmission waves received by the modulation / demodulation unit. And identifying a transmission wave transmitted in a first polarization direction as a main polarization direction and a transmission wave transmitted in a second polarization direction as a sub-polarization direction different from the first polarization direction as the main polarization direction in the pair of the plurality of different transmission waves. Therefore, the advanced digital broadcast can be better transmitted or received.

The invention discloses a picture display method, device and equipment based on digital broadcasting and a medium, the method is applied to a management server in a vehicle-mounted infotainment system, and the method comprises the following steps: if a digital broadcasting playing instruction is detected, determining a digital broadcasting station to be broadcasted in a digital broadcasting station list; according to the radio station program address of the digital broadcasting station to be broadcasted, judging whether a radio station mark picture of the digital broadcasting station to be broadcasted exists in a preset local picture database or not; if not, playing the digital broadcasting station to be played through the Demod module, and playing the corresponding broadcasting station program; acquiring preset catalog data and calling a corresponding radio station mark picture from the acquired catalog data according to the radio station program address of the digital broadcasting radio station to be broadcasted; and matching and associating the obtained radio station mark picture and the radio station program address of the radio station program to be played, and then storing the radio station mark picture and the radio station program address to a preset local picture database. According to the method, the radio station marking picture can be displayed more quickly and accurately, and the use experience of a user is improved.

To provide a technique to more suitably transmit or receive a sophisticated digital broadcast service.SOLUTION: A broadcast system comprises a broadcast station device and a broadcast receiver. The broadcast station device has: a down-converter that converts a first video signal having first resolution into a second video signal having second resolution lower than the first resolution; a generation unit that generates specification information for specifying the specifications of image processing for converting the second video signal into a video signal having the first resolution; and a signal processing unit that performs processing on the converted second video signal and incidental information including the generated specification information so that they can be transmitted on a broadcast wave. The broadcast receiver has an up-converter that executes, on the second video signal extracted from the broadcast wave, image processing based on the specifications specified by the specification information included in the incidental information extracted from the broadcast wave, thereby obtaining a third video signal having the first resolution.SELECTED DRAWING: Figure 18

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 digital broadcast receiver capable of executing a higher additional value function.SOLUTION: A digital broadcast receiver comprises: a broadcast reception part that receives broadcast data including coding program video image data related to a broadcast program of digital broadcasting, HDR information indicating whether or not the coding program video image data corresponds to luminance width expansion, and event schedule information; a video image decoding part that decodes the coding program video image data, and reproduces program video image information; a presentation processing part that selects one of electronic program guide information and the program video image information generated on the basis of the event schedule information and outputs them as video image information, or generates them as the video image information by overlapping both of them; a display part that displays the video image information; and a control part. The control part controls the presentation processing part so that a signal, a character, or a stamp indicating that it is a program corresponding to the luminance width expansion is displayed at a position corresponding to the coding program video image data of the electronic program guide information by referring to the HDR information, in the case where the coding program video image data corresponds to the luminance width expansion.SELECTED DRAWING: Figure 7A

The present invention provides a digital broadcast receiver capable of executing functions having higher added values. The broadcast receiver receives a broadcast wave of a digital broadcast service, controls an operation including activation and end of an application that is in cooperation with a broadcast program based on application-related information, and selects control relating to reactivation of the application based on a user's operation. If activation of the application is requested after the end of the application, the broadcast receiver controls the reactivation or non-reactivation of the application in accordance with the selection of control by the user.

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 provide a digital broadcasting receiver capable of performing functions with higher added value.SOLUTION: A broadcast receiving device is capable of receiving video data of a digital broadcast program transmitted using each of a first media transport method and a second media transport method, which are at least two media transport methods having different time systems. The broadcast receiving device includes: a first receiving unit that receives program video data transmitted using the first media transport method; a second receiving unit that receives program video data transmitted using the second media transport method; a video information generation unit that synchronizes presentation of the program video data of the two media transport systems based on the different time systems using a correspondence relationship of notation in each time system of presentation time of the program video data in the two media transport systems based on the different time systems, and then combines the program video data to generate output video information; and a display unit that displays the output video information.SELECTED DRAWING: Figure 7A