56 results about "Digital broadcasting" patented technology

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.

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 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 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.

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

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 broadcast receiver capable of executing higher value-added functions. [Solution] A digital broadcast receiving device includes a broadcast receiving unit that receives broadcast data including coded program video data for a digital broadcast program, HDR information indicating whether the coded program video data supports a wide brightness range, and event schedule information, a video decoding unit that decodes the coded program video data to play back the program video information, a presentation processing unit that can select and output as video information either electronic program guide information or the program video information created based on the event schedule information or can generate video information by superimposing both, a display unit that displays the video information, and a control unit. The control unit references the HDR information, and, if the coded program video data supports a wide brightness range, controls the presentation processing unit to display a symbol, character, or mark indicating that the program is compatible with a wide brightness range in a position corresponding to the coded program video data in the electronic program guide information.

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, from a broadcast transmission path, broadcast data of a broadcast program content and location information in which a reference destination for acquiring data related to the broadcast data is described, a communication unit capable of receiving communication data of the broadcast 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, and an output unit that outputs the broadcast data of the broadcast program content reproduced from the recording and reproducing unit to an external device. The output state from the output unit includes a state in which the location information in which the description of the reference destination is rewritten to the description indicating the server function unit and the layout control information of the description in the state received by the broadcast receiving unit are output.SELECTED DRAWING: Figure 29A

The present invention is a program receiving display device adapted for a digital broadcasting service and an IPTV service, comprising: a first program stream acquisition unit that acquires a first program stream that constitutes a program content, based on a broadcast signal from a station selected according to a channel number from received broadcast waves; a second program stream acquisition unit that requests distribution of a second program stream, which is equivalent to the first program stream, via a communication network to a specific distribution server according to link information associated with the channel number and that acquires the second program stream distributed from the specific distribution server in response to the request; and a main control unit that performs control to select at least one of the first program stream or the second program stream, and to display the program content based on the selected program stream on a screen.

A technique of transmitting or receiving an advanced digital broadcasting service more suitably is provided. As the means, a broadcast receiving apparatus for receiving a broadcasting wave, a 2K broadcasting service and a 4K broadcasting service being transmitted by the broadcasting wave, includes: a receiver configured to receive the broadcasting wave; a display; and a controller. The controller is configured to identify whether simultaneous broadcasting of a 2K broadcasting service and a 4K broadcasting service in the broadcasting wave is executed or not on a basis of control information, the control information being contained in the broadcasting wave received by the receiver. In a case where an EPG screen for the 2K broadcasting service and the 4K broadcasting service included in the broadcasting wave received by the receiver is to be displayed on the display, the controller is configured to change a display state in the EPG screen of program information on any one service of the 2K broadcasting service or the 4K broadcasting service at least included in the broadcasting wave in accordance with the identifying result.

To provide a digital broadcast receiver capable of executing higher value-added functions. [Solution] A broadcast receiving device 40100 includes a broadcast receiving unit capable of receiving broadcast data of broadcast program content from a broadcast transmission path and location information describing a reference destination for acquiring data related to the broadcast data, a communication unit capable of receiving communication data of the broadcast program content from the reference destination described in the location information via a communication line, a recording / playback unit capable of recording and playing back the broadcast data of the broadcast program content received by the broadcast receiving unit, and an output unit that outputs the broadcast data of the broadcast program content played back from the recording / playback unit to an external device. The output state from the output unit includes a state in which location information in which the description of the reference destination has been rewritten to a description indicating a server function unit and layout control information with the description unchanged from when it was received by the broadcast receiving unit are output.

The invention relates to the technical field of digital broadcasting equipment, in particular to an anti-vibration and noise-reduction digital broadcasting transmitting microphone supporting device which comprises a supporting assembly and a connecting assembly. The supporting assembly is provided with a bearing table, a multi-stage adjusting arm and a supporting foot embedded with a piezoelectric detection element. The connecting assembly comprises an annular fixing piece, a piezoelectric driver, a control unit and a buffering connecting piece. Active damping and noise reduction are achieved through cooperation of piezoelectric detection and a driving element, and the stability is improved by combining the design of a buffer layer, a damping ring and a rubber ring. And the magnetic element and the bulge-groove structure are convenient for quick disassembly and assembly. The application can effectively counteract the influence of external vibration, adapt to a complex environment, and meet the requirement of high-quality audio acquisition.

To provide a display control method for more suitably transmitting or receiving an advanced digital broadcasting service.SOLUTION: A display control method in a broadcast receiving device that receives a broadcast wave in which a 2K broadcast service and a 4K broadcast service are transmitted together, the display control method comprising: receiving the broadcast wave; and identifying whether or not simultaneous broadcasting of the 2K broadcast service and the 4K broadcast service is being performed in the broadcast wave based on control information included in the received broadcast wave, when an EPG screen for a 2K broadcast service and a 4K broadcast service included in a broadcast wave is displayed, a display state on the EPG screen of program information for at least one of the 2K broadcast service and the 4K broadcast service included in the broadcast wave is changed according to a result of identification, and in the identification, the 4K broadcast service and the 2K broadcast service are transmitted on the same physical channel of the broadcast wave.SELECTED DRAWING: Figure 15A

This invention provides technology for more effectively transmitting or receiving advanced digital broadcasting services. [Solution] A broadcast receiving device is used that constitutes a broadcasting system together with broadcasting station equipment. The device receives broadcast wave data blocks transmitted using broadcast waves and network data blocks transmitted using a communication network, which are transmitted from the broadcasting station equipment at the same time and each corresponds to the same partial video content. A waiting time is set that is longer than the maximum expected delay time from the start of transmission to the start of reception of the broadcast wave data blocks, and longer than the maximum expected delay time from the start of transmission to the start of reception of the network data blocks. The device starts decoding both data blocks that have started to be received when the waiting time has elapsed from the start of transmission of the broadcast wave data blocks and the network data blocks.

This utility model relates to the field of audio equipment technology, specifically to a digital ceiling speaker with noise detection. It includes a circular housing with a frame at the opening. A first-layer metal base plate is fixed inside the frame, and an excitation oscillator is mounted on its front. A second layer of metal isolation plates and a top-layer metal isolation plate are sequentially arranged on the back of the first-layer metal base plate. A power module and a digital power amplifier module are mounted on the back of the first-layer metal base plate. A decoder module, a wireless broadcasting module, and a noise detection module are mounted on the second-layer metal isolation plates. An audio constant-voltage output transformer is mounted on the top-layer metal isolation plate. This design integrates noise detection, digital signal processing, and constant-voltage output functions, making it particularly suitable for network digital broadcasting systems in public places such as subways and airports. Its core feature is the ability to achieve adaptive adjustment of environmental noise and expansion of network broadcasting signals through a layered modular design.

The invention provides a multi-channel adaptive CDR emergency broadcast adapter control method and system, and relates to the technical field of information security, and the method comprises the steps: receiving emergency messages from an IP network, an FM analog broadcast, a digital television and a CDR digital broadcast in parallel through multiple channels; the method comprises the following steps: acquiring a received signal strength indication, a bit error rate and a signal-to-noise ratio of each channel in real time according to a received emergency message, calculating a quality score of each channel through a preset quality scoring model, and performing adaptive switching between the channels according to the quality score to obtain a continuous and reliable emergency message flow. According to the invention, the continuous, safe and accurate broadcasting of the emergency message in a complex scene is realized.

To provide a digital broadcast receiver capable of executing higher value-added functions. [Solution] A broadcast receiving device 40100 includes a broadcast receiving unit capable of receiving broadcast data of broadcast program content from a broadcast transmission path and location information describing a reference destination for acquiring data related to the broadcast data, a communication unit capable of receiving communication data of the broadcast program content from the reference destination described in the location information via a communication line, a recording / playback unit capable of recording and playing back the broadcast data of the broadcast program content received by the broadcast receiving unit, and an output unit that outputs the broadcast data of the broadcast program content played back from the recording / playback unit to an external device. The output state from the output unit includes a state in which location information in which the description of the reference destination has been rewritten to a description indicating a server function unit and layout control information with the description unchanged from when it was received by the broadcast receiving unit are output.

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

To provide a display control method for more suitably receiving advanced digital broadcasting service.SOLUTION: In a display control method in a broadcast receiver capable of receiving a broadcast wave in which simultaneous broadcasting of a 4K broadcast service and a 2K broadcast service is performed via a broadcast transmission path and further capable of receiving IP simultaneous broadcasting of the 4K broadcast service via a communication transmission path, the broadcast receiver receives and demodulates the 4K broadcast service included in the broadcast wave and displays a broadcast program of the 4K broadcast service. When a failure occurs in receiving, demodulating, or displaying a 4K broadcast service, a first display switching process of receiving and demodulating a 4K broadcast service that is a simultaneous broadcast of a 2K broadcast service via a broadcast transmission path and displaying a broadcast program of the 2K broadcast service, and a second display switching process of receiving and demodulating an IP simultaneous broadcast that is a simultaneous broadcast of a 4K broadcast service via a communication transmission path and displaying a program of the IP simultaneous broadcast are selected and executed according to predetermined priorities.SELECTED DRAWING: Figure 16