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41 results about "Timecode" patented technology

A timecode (alternatively, time code) is a sequence of numeric codes generated at regular intervals by a timing synchronization system. Timecode is used in video production, show control and other applications which require temporal coordination or logging of recording or actions.

Automatic movie and television video script extraction method based on multi-modal large model

The invention relates to an automatic movie and television video script extraction method based on a multi-modal large model, and belongs to the field of artificial intelligence and video content analysis. Aiming at the problem that an existing automatic speech recognition tool cannot generate a structured script, the method comprises the following steps: firstly, carrying out multi-mode decomposition on an input video, extracting frames by adopting a scene self-adaptive strategy, and establishing sound and picture timestamp alignment mapping; then extracting features through a CLIP-ViT visual feature encoder and a Whisper audio feature encoder, and associating semantics by using a cross-modal attention mechanism; role identity recognition, scene type recognition and action character description are achieved, and finally a script file conforming to the standardization specification is generated and comprises a scene title, a time code mark and a special narrative mark. Compared with a mode of manually dictating marks and an automatic voice recognition tool, the method effectively improves the accuracy and efficiency of movie and television video script extraction.
Owner:BEIJING INST OF COMP TECH & APPL

Imaging device and control device

To provide a technique capable of easily performing a setting change for synchronizing time codes among a plurality of imaging devices used for live distribution of a moving image at a suitable timing.SOLUTION: According to an aspect of the present invention, there is provided an image capturing apparatus which is one of a plurality of image capturing apparatuses used for live streaming of a moving image, the image capturing apparatus comprising a communication unit configured to communicate with an external apparatus, and a control unit configured to set, when a notification of a start of the live streaming is received by the communication unit, free run in which a time code advances regardless of whether the moving image is being recorded, as a method of advancing the time code.SELECTED DRAWING: Figure 7
Owner:CANON KK

Extracting slide content from video meetings

Detecting and extracting contents from video data in text form is disclosed. Frames of the video data are analyzed to identify a scene, which includes a sequence of frames, that may include slide content. When the sequence of frames is determined to be slide content, optical character recognition is performed on one of the frames in the sequence to identify words and word coordinates. Post processing is then performed on the output of the optical character recognition to identify words, lines, objects, coordinates, and time codes. The output is stored as searchable text in a database. Video data can be searched based on text extracted from speech and / or text extracted from images.
Owner:DELL PROD LP

System For Synchronization of Captioning to Smart Devices

An automatic personal enhancement system that is tailored to each user's special access needs. The system having a multimedia presentation device, an onsite node having a user protocol time code message protocol, and the system sending a real-time time-code to the system, over a private LAN, a transmission device to transmit information to the onsite node, a fleet management subsystem, a content database server, a smart device, and a web server. The web server having instructions for: identifying a user entering a venue; connecting to the show control subsystem; selecting a language for multimedia pretensions from the show control subsystem; tracking the user's smart device with the personal enhancement system for automatically playing multimedia associated with the location in the venue in proximity to the user's smart device; and stopping the tracking and disconnecting the personal enhancement system from the user's smart device after the user exits the venue.
Owner:GILMORE III DARWIN +1

Systems and methods for synchronizing and rendering audio signals via an auxiliary synchronization back channel

Methods, systems, and computer program products are presented herein for rendering synchronous audio using audio rendering devices. A networked audio rendering device may include a first wireless communications module, a second wireless communications module, a microcontroller, at least one speaker driver, and at least one digital audio amplifier. Audio data may be received by a first wireless communications module. Timecode data may be received by a second wireless communications module operating at a sub-GHz ISM band. The audio data may be received by a microcontroller. The audio data is processed by the microcontroller to generate output audio signals based on the timecode data. The output audio signals may be amplified by at least one digital audio amplifier. At least one speaker driver may be driven, by the at least one digital audio amplifier, to render an audio output.
Owner:LENBROOK IND LTD +2

An earthquake disaster simulation training method and system

This invention discloses an earthquake disaster simulation training method and system, aiming to solve the problems of low multi-system timing synchronization accuracy, insufficient immersion and training realism, fixed configuration, and high scene adaptation costs in existing earthquake simulation systems. This method initializes the system by loading a structured configuration file, establishing a globally unified time reference for all system control nodes; it uses real-time audio-visual timecodes to drive the calculation of the target magnitude, generating synchronization control commands with unified execution timestamps to achieve timing alignment of vibration, audio-visual, and environmental effects; it implements hierarchical safety control throughout the entire process, and completes system reset through a progressive termination sequence after the process ends. This invention significantly improves the synchronization accuracy and immersion of earthquake simulation, enhances system scalability, reduces scene adaptation costs, and ensures the safety of the training process.
Owner:ZHONGKE QINGYU (BEIJING) VISION TECHNOLOGY CO LTD

Technologies for communicating an enhanced event experience

One or more devices, systems, methods, may implement one or more techniques to provide sporting event content to a consumer. One or more techniques may identify a sporting event content from a remote storage location, perhaps based on a received audio feed and / or a video feed. The audio feed and / or the video feed may be time coded. The sporting event content may be received via a stream. The sporting event content stream may be time aligned based at least on the time code. An audio content of the sporting event content stream may be provided to a consumer who may have requested the sporting event content via a speaker device. A video content of the sporting event content stream may be provided to the consumer via a display device.
Owner:PACERS BASKETBALL LLC

High-precision time correction method for spacecraft equipment

The invention discloses a high-precision time calibration method for spacecraft equipment, which comprises the following steps: step 1, after equipment needing high-precision time service is powered on and runs, the equipment performs accumulated self-punctuality according to an initial moment and an internal crystal oscillator, and updates whole-second time information and intra-second time information of maintenance time of the equipment; 2, the time service upper computer sends ETR second pulse signals strictly aligned with the whole second moment and whole second time information of the time code of the current second to the equipment in a fixed period per second; and step 3, the equipment completes local time updating according to the ETR pulse per second signal sent by the time service upper computer and the whole second time information of the current beat time code, and keeps synchronization with the time of the time service upper computer. The method is easy to implement, can overcome the defect that when a time service upper computer hard pulse ETR signal and time information serve as a time correction method in the prior art, time correction fails due to the fact that an upper computer signal breaks down, effectively reduces the risk of system function failure, and remarkably improves reliability and safety of spacecraft equipment time synchronization.
Owner:SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM

Physical training multi-dimensional data analysis system fused with radio and television technology

The invention relates to the technical field of physical training and data processing, and discloses a physical training multi-dimensional data analysis system fused with radio and television technology, comprising a main time code reference module used for generating a global time code signal; the video acquisition and synchronization module is used for outputting a synchronous video stream carrying a timestamp; the context-aware network module is used for providing identity and position contexts of athletes; the athlete data unit is used for collecting athlete sensor data; and the central processing and analysis module adopts a multi-path merging and sorting algorithm, fuses all data streams into a single unified training event stream which is absolutely ordered according to time, and completes data enrichment. According to the method, through hardware-level synchronization and a unified event stream architecture, submillisecond-level accurate synchronization of multi-source data, automatic association of context information and simplification of a data processing architecture are realized.
Owner:段文生

Automatic endowing management method and system for field lens time information of shooting material

The invention discloses an automatic endowing management method and system for field lens information of shooting materials, and relates to the technical field of theater shooting management, and the method comprises the steps: carrying out the time code synchronization of a video shooting device and an audio recording device at a shooting site, and an electronic field recording device for generating a field lens signaling; generating a digital signaling containing field lens time information and a high-precision time code, and sending the signaling to a cloud or a local processing system; uploading the video material and / or the audio material containing the embedded time code; automatically endowing the matched material with the corresponding field mirror time information by matching the time code in the digital signaling with the time code embedded in the material; and binding and storing the successfully matched field lens secondary information serving as metadata and the corresponding material file. The method has the advantages that by introducing an active signaling mechanism based on time code synchronization and a multi-dimensional matching strategy, the full-process automation of field lens information from generation, endowing to management is realized.
Owner:AIKE XUN (JIANGSU) INTELLIGENT TECHNOLOGY CO LTD

Video processing method and device, electronic equipment and storage medium

The present disclosure relates to a video processing method and device, electronic equipment and storage medium, the method comprising: displaying to-be-processed text data corresponding to a to-be-processed video; wherein the to-be-processed video comprises media video and media audio, the to-be-processed text data corresponds to text time code information, the text time code information has a first mapping relationship with first timeline information corresponding to the media video; the text time code information has a second mapping relationship with second timeline information corresponding to the media audio; in response to a first trigger operation on target text data in the to-be-processed text data, determining a target video segment corresponding to the target text data from the media video based on the first mapping relationship; determining a target audio segment corresponding to the target text data from the media audio based on the second mapping relationship; and performing corresponding processing on the target text data, the target video segment and the target audio segment based on the first trigger operation.
Owner:BEIJING ZITIAO NETWORK TECH CO LTD

Game record generation device and program

PendingJP2026047559ABoard gamesJapanese chessTheoretical computer science
Generates timecoded game record data from shogi (Japanese chess) match footage. [Solution] The board and piece discrimination unit 10 of the game record generation device 1 uses a board learning model M1 to discriminate the board and piece stand from the game video A, and uses a piece learning model M2 to discriminate the pieces from the video of the board and piece stand, and generates a piece discrimination result. The intermediate table generation unit 11 generates an intermediate table T consisting of the number of moves, board information, and piece stand information based on the piece discrimination result. The game record generation unit 12 generates the move for the latest number of moves based on the board information and piece stand information for the latest number of moves and the move before the latest number of moves included in the intermediate table T, and generates game record data D1 consisting of the number of moves and the move. The game record generation unit 12 also reads the time from the clock 14 to generate a time code, and generates timecoded game record data D2 consisting of the number of moves, the move, and the time code.
Owner:NIPPON HOSO KYOKAI

Determining and tagging languages in audio files

Automatically detecting, tagging, and removing a human language stored in an audio file, including: training an application for detecting the human language using machine learning; loading each channel of the audio file into the trained application, wherein the audio file is an audio deliverable for motion picture and television; setting parameters and filtering each channel of the audio file to detect and tag the human language; and generating a list of timecodes and the corresponding human language detected.
Owner:SONY GROUP CORP +1

High-precision time synchronization method for space debris detection camera

The invention discloses a high-precision time synchronization method for a space debris detection camera, and solves the technical problem that the time synchronization error of an existing space debris detection camera is large. The method comprises the following steps: S0, establishing communication; s1, electrifying the detection camera; initializing a time synchronization module; s2, acquiring on-satellite broadcast time data, on-satellite broadcast time enable signals and exposure time signals; the on-satellite broadcast time data comprises on-satellite broadcast second time and on-satellite broadcast microsecond time; s3, a second pulse signal is obtained, and a second pulse counter starts timing; s4, the microsecond counter carries out timing and assigns a value to a microsecond value register in real time; if the second pulse signal is received or timing is full, timing is carried out again; s5, selecting a second bit updating strategy to update the second value register; s6, according to the time of the exposure time signal, writing the values of the second value register and the microsecond value register into an FIFO cache, and outputting a high-precision synchronization time code; and S7, outputting state data and counting data of the second pulse signal.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI

Automated overall management system and method for theater shooting based on script semantic analysis

The invention discloses a drama group shooting automatic overall management system and method based on drama semantic analysis, and relates to the technical field of drama management, and the method comprises the steps: S1, receiving a drama text, and automatically extracting structural elements in a drama; s2, based on the structured elements extracted in the step S1, generating a shooting overall plan through an optimization algorithm; s3, decomposing the generated shooting overall plan into personalized subtasks; s4, automatically endowing a matched material with the field lens time information through time code matching, and further generating an intelligent material with script semantic metadata; and S5, monitoring the shooting progress in real time, comparing the shooting progress with the shooting overall plan, and when progress deviation or resource change occurs, dynamically adjusting and re-optimizing the subsequent shooting overall plan. The method has the advantages that full-process automatic management from script automatic analysis to shooting plan generation, accurate task distribution, intelligent material association and dynamic progress adjustment is realized.
Owner:AIKE XUN (JIANGSU) INTELLIGENT TECHNOLOGY CO LTD

Systems and methods for synchronizing and rendering audio signals via an auxiliary synchronization back channel

Methods, systems, and computer program products are presented herein for rendering synchronous audio using audio rendering devices. A networked audio rendering device may include a first wireless communications module, a second wireless communications module, a microcontroller, at least one speaker driver, and at least one digital audio amplifier. Audio data may be received by a first wireless communications module. Timecode data may be received by a second wireless communications module operating at a sub-GHz ISM band. The audio data may be received by a microcontroller. The audio data is processed by the microcontroller to generate output audio signals based on the timecode data. The output audio signals may be amplified by at least one digital audio amplifier. At least one speaker driver may be driven, by the at least one digital audio amplifier, to render an audio output.
Owner:LENBROOK IND LTD

Computer-implemented method for previewing a 3D scene video

PendingCN122340309AEngineeringTimestamping
The invention relates to a method of previewing a 3D scene video having a duration and a frame rate, comprising: a) receiving (200) at least one set of values of rendering parameters of the 3D scene video, each value being associated with a respective timestamp, a respective interpolation function being associated with each pair of values having consecutive timestamps; b) determining (210) a number N of time codes, wherein N is an integer based on the product of the duration and the frame rate. The method further comprises iteratively performing the following operations in a non-linear rendering order which is not chronological for at least part of the N time codes: c) computing (250) a respective value for each set of values of rendering parameters by using the interpolation function associated with the pair of values having a respective timestamp tied to the current time code, and d) rendering (280) a frame based on each value of rendering parameter determined in operation c).
Owner:DASSAULT SYSTEMES SA

Video processing methods, apparatus, electronic devices, storage media, and programs

PendingJP2026523057AMediaFLOVideo processing
This disclosure relates to a video processing method, apparatus, electronic device, and storage medium. The method includes displaying text data to be processed corresponding to a video to be processed, which includes media video and media audio, wherein there is a first mapping relationship between text timecode information corresponding to the text data to be processed and first timeline information corresponding to the media video, and a second mapping relationship between the text timecode information and second timeline information corresponding to the media audio, and in response to a first trigger operation on target text data among the text data to be processed, the method determines a target video segment corresponding to the target text data from the media video based on the first mapping relationship, determines a target audio segment corresponding to the target text data from the media audio based on the second mapping relationship, and performs processing corresponding to the target text data, target video segment, and target audio segment based on the first trigger operation.
Owner:BEIJING ZITIAO NETWORK TECH CO LTD

Virtual reality headset audio synchronisation system

A system 3 synchronises a plurality of AV devices 2 to corresponding multichannel audio. Each device 2 has preloaded images, and a distribution device 4 wirelessly connected AV device. The server 4 triggers preloaded images on each device. A cinema server 6 is connected to server 4 and configured to send time codes signals. A sound mixer 7 is cable connected to the cinema server 6 and receives audio data corresponding to VR images simultaneously with the server 4. The server 4 is cable connected to a wireless access point 5 to simultaneously message each device 2. A speaker element is provided for each channel of audio connected to mixer 7 such that upon receipt of the audio file, the mixer 7 relays each channel audio signal to respective speakers 8 in synchronisation with the VR device images.
Owner:SURROUND SYNC PTY LTD

Information processing device, information processing system, information processing method, and program

This makes it easier for users to select an image of an object to be composited into the captured image from a wider variety of options. [Solution] Identification information is detected from the medium to identify 3D model data representing 3D models of objects corresponding to each of multiple time codes. User input is accepted to specify the time code to be displayed. An image of the object based on the 3D model of the object corresponding to the time code according to the identification information and user input is displayed on the display unit. A virtual image, which is composited with the captured image and includes the image of the object displayed on the display unit, is recorded according to the user input.
Owner:CANON KK

Method for generating an output audio signal intended to accompany a slowed-down video signal, method for broadcasting a slowed-down audio-video signal, output audio signal, and slowed-down audio-video signal

The first aspect of the invention relates to a method for generating an output audio signal intended to accompany a slowed-down video signal, comprising the following steps: a) capturing an input audio signal; b) splitting the input audio signal into a plurality of segments; c) recording the plurality of segments of the input audio signal; d) assigning a time code to each segment of the input audio signal; e) recording the time code of a segment in metadata linked to the segment of the audio signal; f) generating an output audio signal of a predetermined duration corresponding to a speed slowed down by a predetermined factor for each of the segments of the audio signal, as follows: - dividing the segment of the input audio signal into a set of grains (G0, G1, G2,...) each having a length (L0, L1, L2,...) and a temporal position (P0, P1, P2,...), - inserting the grains (G0, G1, G2,...) into the segment of the output audio signal at a temporal position (P'0, P'1, P'2,...) that corresponds to the original temporal position of the grains (G0, G1, G2,...) corrected by a factor dependent on the speed of the slowed-down sequence, - generating filler grains (G'0, G'1,...) intended to fill the spaces between the grains (G0, G1, G2,...) of the segment of the output audio signal and - inserting the filler grains (G'0, G'1,...) into the spaces between the grains (G0, G1, G2,...) of the segment of the output audio signal, - the filler grains (G'0, G'1,...) being generated by interpolation; g) recording the output audio signals corresponding to each segment while keeping the time code in the metadata. Other aspects of the invention relate to a method for broadcasting a slowed-down audio-video signal based on the use of the output audio signal thus generated, and to the output audio signal as such.
Owner:THE FAKTORY

Method and system for managing a first audio / video stream and a second audio / video stream.

ActiveFR3162582B1Television system detailsPulse modulation television signal transmissionAudio frequencyVideo streaming
The invention relates to a method for managing a first stream (FX_1) and a second stream (FX_2), the first and second streams each being of audio or video type, the first stream (FX_1) being received as input by a device called the primary (D1) and the second stream (FX_2) being received as input by a device called the secondary (D2), the first stream (FX_1) and the second stream (FX_2) each being composed of one or more elements, the primary and secondary devices having storage means (M_1, M_2) configured to store each element of the first and second streams as well as an associated timecode (TC). Figure to be published with the abstract: Figure 1
Owner:GRILLERE PASCAL

Civil aviation logistics data processing and analysis method

The invention discloses a civil aviation logistics data processing and analysis method, and relates to the technical field of data processing, and the method comprises the steps: setting a dynamic coding rule, and generating a prefix code according to a data field and an authority code; analyzing the user requests, identifying the prefix codes, and distributing the user requests to corresponding request queues according to the prefix codes to form batch processing requests; grading the requests in each request queue according to a distinguishing index and a degree threshold value; an emergency buffer area is established, a preprocessing layer is arranged in the emergency buffer area, a time code is set to mark each user request, a processing time threshold value is set, and the user requests with the time codes larger than the processing time threshold value are transferred into the preprocessing layer to be preprocessed; through data coding and request queue division, the effects of effective management and rapid processing of cargo data are realized. And a dynamic coding rule and a prefix code are set, so that the effect of further improving the data acquisition and processing efficiency is realized.
Owner:CIVIL AVIATION ADMINISTRATION OF CHINA INFORMATION CENT

Multi-channel CMOS image synchronous transmission integration method and system thereof

ActiveCN116017185BComputer hardwareCMOS
The present application relates to the technical field of space wide area imaging, and particularly relates to a multi-channel CMOS image synchronous transmission integration method and system; in the present application, a high-precision time code, a us pulse synchronization signal and a delay shooting instruction are sent by a master control unit, the high-precision time code and the us pulse synchronization signal are sent to CMOS board A, CMOS board B, CMOS board C and CMOS board D of a detector module by an imaging control board, self-keeping is carried out according to the high-precision time code and the us pulse synchronization signal, so that the CMOS board A, the CMOS board B, the CMOS board C and the CMOS board D are synchronously driven and shot, channel data monitoring modules record image data receiving delay information of the CMOS board A, the CMOS board B, the CMOS board C and the CMOS board D, so that effective detection images are integrated, and the effective detection images after integration are output by image packetization by the detector module.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Information processing apparatus, information processing system, information processing method, and medium

An information processing apparatus is provided. The apparatus detects, from a medium, identification information for identifying 3D model data representing 3D models of an object respectively corresponding to a plurality of timecodes. The apparatus accepts a user operation to designate a timecode of a display target. The apparatus causes a display to display an image of the object based on a 3D model of the object corresponding to the timecode in accordance with the identification information and the user operation. The apparatus records, in accordance with a user operation, a virtual image to be synthesized with a captured image. The virtual image includes the image of the object displayed on the display.
Owner:CANON KK

Computer-implemented method for previewing a 3D scene video

PendingUS20260187898A1Frame basedAlgorithm
A method for previewing a 3D scene video having duration and frame rate including: a) receiving (200) at least one set of rendering parameter values of the 3D scene video, each value being associated with a respective timestamp, a respective interpolation function being associated with each pair of values having consecutive timestamps; b) determining (210) a number N of timecodes, where N is an integer based on the product of the duration and frame rate. The method further includes iteratively, in a non-linear rendering order that is not chronological for at least some of the N timecodes: c) computing (250) a respective value for each set of rendering parameter values by using the interpolation function associated with the pair of values whose respective timestamps bound the current timecode, and d) rendering (280) a frame based on each rendering parameter value determined in operation c).
Owner:DASSAULT SYSTEMES SA

Digital human, PPT and picture frame level synchronization method and system

The invention discloses a digital human, PPT and picture frame-level synchronization method and system, and belongs to the technical field of multimedia information synchronization and digital human interaction.The animation time code and the commentator time code are roughly aligned, so that the commentator and the animation are preliminarily aligned, manual adjustment is not needed, and the efficiency is improved. According to the method, the processing efficiency and the processing precision are improved, errors are reduced, the digital human video stream and the PPT and / or PDF file are mixed in real time, the animation time code, the picture ROI time code and the action time code are aligned based on the commentary time code, the commentary time code is used as an alignment standard, the time scale is unified, and the alignment accuracy is improved. And the semantics of the picture data can be reversely mapped to the actions of the digital person, so that the actions correspond to animations, the situation that the digital person shields characters is avoided, and application and popularization are facilitated.
Owner:WU HAN LUO JI ZHI HUI KE JI YOU XIAN GONG SI