90results about "Broadcast information monitoring" patented technology

The invention discloses a multi-channel frequency modulation signal real-time monitoring system which comprises at least one monitoring node and a remote cloud platform. The monitoring nodes simultaneously receive multiple paths of frequency modulation signals through the multi-channel radio frequency receiving unit, the signal processing unit demodulates and detects multiple quality parameters such as field intensity, signal-to-noise ratio, frequency offset and multipath interference, the main control unit generates alarm information, and finally the alarm information is uploaded to the cloud platform through the communication unit integrated with 4G / 5G and Wi-Fi. And the cloud platform is responsible for storing and analyzing data and pushing alarms and information display to the authorized user terminal. According to the invention, a multi-core DSP parallel processing architecture, dual-path power supply and battery redundancy power supply and multi-parameter association intelligent alarm logic are adopted, cloud networking management is realized, and the problems of few monitoring channels, low efficiency, insufficient intelligent degree and difficult remote operation and maintenance in the prior art are solved. Therefore, efficient, reliable and intelligent remote monitoring of multi-channel FM signals is realized.

A utility sensor module includes one or more sensors, a communication link, and an electronic processor. The electronic processor is configured to broadcast an advertisement signal associated with a communication protocol for a first transmission time. The advertisement signal is configured to cause an external device to transmit a response message. The electronic processor is further configured to determine whether the response message is received within a predetermined time period, and in response to determining that the response message was not received within the predetermined time period, operating in a modified sleep mode. Operating in the modified sleep mode includes modifying the operation of the communication interface to broadcast the advertisement signal at a periodic interval, such that the advertisement signal is only broadcast at the periodic interval for a second transmission time.

A method for assessing viewer interest in content and advertisements may include receiving an indication regarding a content playback mode change (e.g., a change from a skip or fast-forward mode to a pause or rewind mode) occurring during playing of a media content segment such as a television program or movie. The method then proceeds to associate the playback mode change with a sub-segment of the television program, such as an advertisement or commercial, and a level of interest of a user in the advertisement or commercial is determined based on the associated content playback mode change. An item, such as an advertisement or promotional offer can be selected to be presented to the user based on the determined level of interest of the user in the advertisement or commercial. Systems for assessing viewer interest in content and advertisements include devices and components configured to perform or enable such methods.

To provide a measuring apparatus and a receiving apparatus, with which a bit error rate can be properly measured even when actual video signals, etc. are assumed.SOLUTION: A measuring apparatus includes: a receiving part receiving a received signal including an error correction block in which packets of one layer or more are multiplexed; and a measuring part measuring the bit error rate of the received signal based on at least one of known bits included in the header of the error correction block and known bits included in the header of the packets of one layer or more. When an n-1th (n is an integer of 2 or more) error correction block and an n-th error correction block are continuously incorrect, the measuring part excludes the n-th error correction block from the measuring object of the bit error rate, and when the n-1th error correction block and the n-th error correction block are not continuously incorrect, the measuring part includes the n-th error correction block in the measuring object of the bit error rate.SELECTED DRAWING: Figure 2

A method features receiving a data stream (DS) having video and audio data; detecting a specific position within the DS classified by a predefined criterion (PC) and received by user's clients matching the PC; connecting the receiver not matching the PC with a client-server system matching the PC; receiving the DS by the client-server system and forwarding it to the receiver; extracting the video data and the audio data from the DS stream; creating a screenshot out of the video data and an associated timestamp; feeding the screenshot to an AI-system trained to detect whether it belongs to a predefined category; generating audio data corresponding with the screenshot and analyzing it for detecting whether it belongs to the predefined category; and if both the screenshot and the audio data generated / analyzed belong to the predefined category, then deciding that the associated timestamp for the screenshot defines the specific position.

Embodiments of the present application provide a soft mute control method and device for a radio device, a medium and a product. By extracting the spectral deviation feature and the time domain energy feature of the digital audio signal of the radio device, the spectral deviation feature can reflect the frequency spectrum similarity between the signal and the noise, and the time domain energy feature can reflect the signal strength. Combined with multi-state decision and energy decision, multi-dimensional decision of the signal state is performed to realize accurate identification of the signal state, and then the output gain is dynamically adjusted. Compared with the prior art, not only the signal receiving strength index is relied on for adjustment, but also the problem of large and small sound caused by signal strength fluctuation due to position change is avoided. The spectral deviation feature is used to effectively distinguish between effective signals and noise, improve the accuracy of soft mute decision, and the time domain energy feature is used as auxiliary decision to enhance the reliability of the system in a low energy scene, so that the volume is smooth and continuous, and the user's radio experience is improved as a whole.

The purpose is to make it easier to provide useful information for television program production. [Solution] An information processing system is provided in which a data acquisition unit is configured to acquire viewing data, the viewing data having identification data and situation data related to the identification data, the identification data being data for identifying a viewer of a television program, and the situation data being data corresponding to the viewer's viewing of the television program, a pattern data generation unit is configured to generate pattern data based on the viewing data, the pattern data having viewing classification data associated with a plurality of viewing patterns for classifying the situation data, each viewing pattern defining which of a plurality of set periods during the broadcast period of the television program the situation data corresponds to, and the viewing classification data having data corresponding to the number of identification data related to the situation data classified as each viewing pattern.

To encourage users to visit the venue where the event is held.SOLUTION: A control system is provided with a determination unit 412 that determines whether a terminal device is located at the venue where the event is held, and a distribution unit 413 for distributing an event-related content Ca to the terminal device in parallel with the progress of the event if the result of the determination is affirmative.SELECTED DRAWING: Figure 4

To efficiently and accurately exclude a specific slave station belonging to a group from group broadcasting targets in broadcast communication.SOLUTION: A broadcast communication device 40 is an information processing device of a master station for performing broadcast communication on a group 50 including one or more slave stations 51, and includes an exclusion target slave station for excluding each of slave stations 51 belonging to the group 50 from broadcast communication targets for the group 50 on the basis of, inappropriateness information 410 representing inappropriateness of performing the broadcast communication on an individual slave station 51, a determination unit 41 for determining either a non-exclusion target slave station that is not excluded from the broadcast communication targets for the group, and a communication unit 42 for performing broadcast communication on a slave station 51 which is a non-exclusion target belonging to the group 50.SELECTED DRAWING: Figure 9

Techniques are provided for mixed reality theater systems. A device may obtain first sensor measurements from biometric sensors during a first time period; generate a first set of features from the first sensor measurements; derive a baseline biometric profile representative of an initial physiological state of a participant from the first set of features; and provide a content sequence including content segments to the participant. The device may obtain, for a time period corresponding to presentation of at least one of the content segments, additional measurements from the biometric sensors; generate, from the additional sensor measurements, a second set of features corresponding to a physiological response to the presented content segment; provide the baseline biometric profile and the second set of features to a machine-learning model configured to output a physiological response score; and calculate an effectiveness score based on the physiological response score.

Various devices and techniques help to reduce the entry of unwanted radio waves into an enclosure and reduce the reflection of radio waves inside the enclosure. Such devices and techniques enable a test environment inside the enclosure that provides high-quality functionality and performance testing.

In one example, a method performed by an audience measurement computing system is described. The method includes determining a source identifier that identifies a media source from which media presented by a media presentation device at a media presentation environment is received. The method also includes using meter hash keys and the source identifier as a basis to select, from stored reference hash keys representing signatures of previously-identified media, a set of reference hash keys that match the meter hash keys and correspond to the source identifier, each reference hash key associated with a corresponding media identifier, where the meter hash keys are generated based on meter signatures representing the media. The method also includes identifying the media based on the set of reference hash keys. The method also includes generating exposure data that credits exposure of an audience member at the media presentation environment to the identified media.

Systems and methods are presented for providing personalized content based on gestures, in order to provide a seamless and user-driven feedback capture platform that captures user gestures and provides improved personalized content. The system captures biometric data from the user during the presentation of a first content item from a first content source. The system identifies the feedback indicator from the biometric data captured during the output of the first content item and stores an identifier of the second content item associated with the first content item in the master list. The system generates the master list for display and, in response to receiving a selection of the identifier of the second content item, retrieves for output the second content item from the second content source on the user device.

Methods, apparatus, systems, and articles of manufacture are disclosed herein to identify media presentation by analyzing network traffic. Example instructions cause a machine to generate a traffic profile to reduce a computational burden of identifying streaming media being presented on a media presentation device, the traffic profile including first network traffic data indicative of the streaming media; obtain the traffic profile and second network traffic data corresponding to the streaming media; and generate, in response to a score for the second network traffic data meeting a threshold of similarity, a network traffic analysis report identifying the streaming media being presented on the media presentation device.

Methods, apparatus, systems and articles of manufacture to determine whether a smart device is in-tab are disclosed. An example apparatus includes memory; instructions in the apparatus; and processor circuitry to execute the instructions to: provide smart television data from a smart television as an input to a model to generate an output, the smart television data being included in population data from a population of smart televisions; determine a tab status of the smart television based on the output; in response to the tab status of the smart television being out-of-tab, remove the smart television data from the population data; and credit media based on the population data.

The invention provides a rural power failure emergency broadcast control method and device, and is applied to a system comprising a remote monitoring platform and a plurality of emergency broadcast terminals. The method comprises the steps that in response to a power failure event, the remote monitoring platform sends the emergency broadcast terminals to the remote monitoring platform according to fault information of a fault area corresponding to the power failure event; matching from a pre-stored broadcast strategy library to obtain a corresponding broadcast content template and a broadcast frequency parameter; the remote monitoring platform takes the fault information as a dynamic parameter and fills the matched broadcast content template with the fault information, and a text to be broadcasted is generated; the remote monitoring platform determines an affected target emergency broadcast terminal according to the fault position and issues an emergency broadcast instruction to the target emergency broadcast terminal, and in the broadcast process, if it is detected that the target emergency broadcast terminal has an original broadcast signal through an audio monitoring circuit, the target emergency broadcast terminal sends the emergency broadcast instruction to the remote monitoring platform; if yes, the emergency broadcast is paused and recovered after the original broadcast is finished. According to the technical scheme of the invention, automatic control of rural emergency broadcast in a power failure scene is realized.

The utility model discloses a radio and television monitoring all-in-one machine which comprises an audio board, a video board and a power supply module. Wherein the audio board is provided with a main control CPU, an FM / AM receiving monitoring module and a communication and positioning navigation module; the video board is provided with a decoding monitoring module, an IP code stream processing module, a communication interface module and a gigabit switching module. The radio and television monitoring circuit adopts a modular design and comprises an audio card and a video card, and the function of the radio and television monitoring all-in-one machine can be achieved by directly accessing the video card on the basis of the audio card. An original system which is divided into a main control board, a monitoring board and a transcoding board is integrated into two boards which can be disassembled and assembled, different functions are achieved, cost is greatly saved, and the resource utilization rate is improved.

To provide a method, system and non-transitory computer-readable recording medium for audio feedback during a live broadcast.SOLUTION: A method implemented on a computer system includes providing a live broadcast by receiving broadcast content transmitted from an electronic device of a caster, and by streaming the received broadcast content to electronic devices of multiple users through a communication session established between an account of the caster and accounts of the users; receiving audio feedback about the live broadcast from an electronic device of a user during the live broadcast; and delivering the audio feedback to the electronic device of the caster.SELECTED DRAWING: Figure 4

The invention relates to the technical field of medium-wave broadcast, and discloses a medium-wave broadcast audio signal intelligent switching output method, which comprises the following steps: S1, initializing configuration; s2, performing real-time detection; s3, intelligent switching is carried out; s4, alarming and logging in a grading manner; and S5, state backward reading and updating. According to the method and the system for intelligently switching and outputting the medium-wave broadcast audio signals, an AD9850 clock detection unit, an AD8232 and ADS1115 amplitude detection unit, an LM311 peak detection unit, an STM32F103 phase detection unit and an AD637 THD detection unit of a multi-parameter detection module are used for cooperatively detecting AES clock skew, signal amplitude, peak, left and right sound channel phase difference and total harmonic distortion; a power supply detection circuit composed of an LM339 comparator and a TL431 reference source is matched to monitor power supply voltage deviation, each unit is judged to be abnormal according to preset logic, key parameters which are not involved in the prior art are covered, judgment rules are clear, potential faults are comprehensively and accurately recognized, and missed judgment and misjudgment are avoided.

Disclosed is an electronic device including a communication module, a processor and a memory that stores instructions. The instructions, when executed, cause the processor to receive a first signal from a first external electronic device through the communication module while a communication connection to at least one second external electronic device is being established, select a specified number of third external electronic devices or less from among the first external electronic device and the at least one second external electronic device based on the first signal, and transmit data to or receive data from the selected third external electronic devices through established communication connections to the selected third external electronic devices. The third external electronic devices are selected in order of having a weak signal intensity or a greater distance from the electronic device from among the first external electronic device and the at least one second external electronic device.

The invention provides a fault influence range prediction method and device, equipment, a medium and a rail transit broadcast communication system, and the method comprises the steps: when any equipment in a target rail transit broadcast communication system is monitored to have a fault, carrying out the prediction of the fault influence range based on a business analysis chart corresponding to the target rail transit broadcast communication system; determining a target device and / or a target data transmission link influenced by the fault in the target rail transit broadcast communication system; any node in the service analysis chart corresponding to the target rail transit broadcast communication system represents one device in the target rail transit broadcast communication system, and any two nodes in the service analysis chart corresponding to the target rail transit broadcast communication system are connected through a line segment; a data transmission link exists between two pieces of equipment corresponding to any two nodes. According to the method, the influence range of the fault in the rail transit broadcast communication system can be determined more accurately and more efficiently through topology-driven fault influence range intelligent analysis.

The invention discloses a self-starter for a frequency modulation broadcasting standby transmitter and a control method of the self-starter. The self-starter comprises a frequency modulation signal receiving module, an acousto-optic conversion module, a light-operated module, a delay processor and an alternating current contactor; the frequency modulation signal receiving module receives a main transmitter signal through an antenna, the main transmitter signal is converted into an optical signal through the acousto-optic conversion module, the delay processor is triggered after the optical signal is detected by the optical control module, and the alternating current contactor is driven to be connected with a standby transmitter power supply after delay control. The control method comprises the steps of signal receiving and processing, photoelectric conversion, delay judgment and power supply starting, full-automatic and quick starting of the standby transmitter when the signal of the main transmitter is interrupted is achieved, and manual testing, starting, stopping and adjusting can be achieved. The method has the characteristics of quick response, strong anti-interference and flexible operation, and can obviously shorten the broadcast stop time and improve the system reliability.

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.

Methods, systems, and computer-readable media for determining the efficacy of an advertisement are described herein. A computing device may receive an advertisement from an advertisement server. The computing device may determine advertisement information associated with the presentation of the advertisement. The computing device may initiate a response to the advertisement information. The advertisement information may be sent to the advertisement server.

In one example, a method performed by an audience measurement computing system is described. The method includes determining a source identifier that identifies a media source from which media presented by a media presentation device at a media presentation environment is received. The method also includes using meter hash keys and the source identifier as a basis to select, from stored reference hash keys representing signatures of previously-identified media, a set of reference hash keys that match the meter hash keys and correspond to the source identifier, each reference hash key associated with a corresponding media identifier, where the meter hash keys are generated based on meter signatures representing the media. The method also includes identifying the media based on the set of reference hash keys. The method also includes generating exposure data that credits exposure of an audience member at the media presentation environment to the identified media.

The invention discloses a radio stop sensitivity test method, device and equipment, and the method comprises the steps: receiving a test instruction, transmitting an initialization instruction to a vehicle terminal, and transmitting an initial transmission instruction to a signal generator; judging the program signal according to the test instruction to obtain a stop judgment result, and performing accumulation judgment on the stop judgment result according to a frequency judgment rule to obtain a frequency judgment result; if the frequency judgment result is met, obtaining a sensitivity test value corresponding to the current stop state as a test result; and if the frequency judgment result is not met, judging whether a signal strength adjustment condition is met, if the signal strength adjustment condition is met, sending a signal strength adjustment instruction to the signal generator and carrying out stop judgment again, and if the signal strength adjustment condition is not met, directly carrying out stop judgment again. According to the radio stop sensitivity test method, the signal strength of the radio signal can be automatically adjusted based on corresponding judgment, and the stop test result can be accurately and efficiently obtained.

A maritime surveillance device according to one embodiment may include a monitoring unit configured to monitor a maritime facility; and an information management unit configured to manage information related to maritime safety or facility safety.

The invention relates to a method for receiver-side normalization of audio levels of audio data streams from different transmitters wirelessly transmitted to a user vehicle (1), wherein at least one receiver vehicle (3): i) analyzes a plurality of audio data streams from different transmitters for their respective levels defined in each of the audio data streams, and determines deviations of these defined levels from one another, and / or ii) detects a reaction to a change in a predetermined volume level of an occupant within a predetermined time period after switching to another transmitter in the at least one receiver vehicle (3), and determines compensation values ​​based on i) and / or ii) and assigns them to a respective transmitter and stores them in a database.and wherein, using the compensation values ​​of the database in the user vehicle (1), a level of an audio data stream is adjusted by assigning its transmitter to the corresponding compensation value.