87 results about "Timecode" patented technology

The invention provides a video dubbing method and device, electronic equipment and a storage medium, and belongs to the technical field of video processing, and the method comprises the steps: separating a first audio in a to-be-dubbed video, and carrying out the sentence-by-sentence text conversion, and obtaining a first subtitle text with a time code; translating the first subtitle text into a second subtitle text with the same time code; normalizing the second subtitle text to obtain a third subtitle text according to the difference between the dubbing duration of the second subtitle text and the subtitle display duration; generating a third audio corresponding to the third subtitle text; and finally, synthesizing all the third audios, the background audio of the video to be dubbed and the silent video to obtain a final target video. According to the invention, under the condition that the audio duration and the subtitle display duration are different in the video dubbing process, the subtitle text is normalized, so that the damage to the original video file is avoided, and the high quality of video dubbing is ensured.

The invention discloses a real-scene three-dimensional system geographic entity space-time coding method, system and device and a medium, belongs to the technical field of three-dimensional scenes, and aims to solve the technical problem of how to quickly and accurately carry out space-time positioning and coding on a geographic entity in a real-scene three-dimensional system and improve data processing efficiency and precision. According to the technical scheme, multi-level network division and unique identifier: multi-level and multi-scale grids on the surface of the earth are divided based on a GeoSOT model, the GB / T 40087-2021 earth space grid coding rule is followed, the grid level is determined by calculating the size of a bounding box of a geographic entity, coordinate binarization left-shift operation is carried out at a coordinate of a center point of the entity, and a unique identifier is obtained; generating a unique grid code containing south and north hemisphere marks and east and west hemisphere marks by combining a Morton code conversion technology and a quaternary conversion technology; bTC Beidou subdivision of time codes is carried out; a space-time embedding model; optimizing spatial data coding in combination with Morton codes and binary tree coding; and sorting the space-time codes through a heap sorting algorithm.

A volumetric video processing system and method is provided. The volumetric video processing system includes a storage circuit and a processor. The storage circuit is configured to storing a program code. The processor is coupled to the storage circuit and accessing the program code to execute: obtaining a texture of a frame of a volumetric video; generating a timecode based on a frame number of the frame; embedding the timecode into the texture to generate an embedded texture; obtaining a 3D model of the frame; and storing the embedded texture and the 3D model together as the volumetric video.

The invention introduces an advanced AI-driven anti-piracy system that safeguards audio- video streaming content by generating unique content variations through programmable adjustments to camera cut time codes within a structured list of instructions describing edits of audio-video content. It employs a sophisticated production pipeline to create and distribute these variations ensuring tailored delivery to individual viewer conditions. A recorder meticulously records the distribution of manifest files, enabling the identification of potential sources of piracy. The system includes a detection component that utilizes advanced Artificial Intelligence algorithms to compare the original content with potentially pirated versions, allowing for the effective identification and tracking of unauthorized distributions. This approach represents a significant advancement in combating digital piracy, ensuring content security while maintaining high-quality viewing experiences.

The present invention discloses a method for optimizing a video collaborative editing process with multi-track audio synchronization, and relates to the technical field of audio and video editing. The method comprises: determining a video acquisition device and a plurality of independent recording devices; performing synchronous data acquisition to generate initial audio and video data and a plurality of independent audio track data; separating the picture and audio of the initial audio and video data, and aligning and mapping according to the time code to generate original picture data and original audio data; performing time code alignment correction on the original audio data and the plurality of independent audio track data, and then performing environmental sound processing on the corrected original audio data based on the background environment requirements, and then fusing it with the plurality of corrected independent audio track data to generate fused audio track data; performing synchronous fusion of the fused audio track data and the original picture data to generate a target fused video file. The technical problem of low efficiency of multi-track audio and video synchronization in the prior art is solved, and the technical effect of improving the efficiency of audio and video editing is achieved.

To provide a signal processing device, a control method for the signal processing device, and a program capable of synchronizing time information with sound signals even when the sound signals do not contain time codes.SOLUTION: A signal processing device includes: signal processing means for processing a sound signal; measuring means for measuring a delay time caused by signal processing by the signal processing means based on first time information output from timing means and second time information output from the signal processing means; and synchronizing means for synchronizing the time information output from the timing means with the sound signal processed by the signal processing means based on the delay time measured by the measuring means.SELECTED DRAWING: Figure 1

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.

The present application discloses a method and device for processing clipping materials, a storage medium and an electronic device. The method includes: obtaining a group of material files, wherein one material file in the group of material files includes media information of a clipping material shot from a target camera position; decoding a group of material files for the first time to obtain a group of audio data corresponding to the group of material files; determining a group of time codes corresponding to the group of material files based on the group of audio data, wherein a time code is used to reference and synchronize a group of material files during video editing; determining the starting position and ending position of a group of clips in a preset clipping track based on a group of time codes; arranging a group of clips on a preset clipping track in the timeline area of ​​a target editing tool based on the starting position and the ending position. The present application solves the technical problem of low efficiency in the processing of clipping materials in the related art.

The invention is suitable for the technical field of multimedia, and provides a time code acquisition method, a time code acquisition device, electronic equipment and a program product. The method comprises the following steps: acquiring a plurality of materials; under the condition that a first material exists in the multiple materials and the first material contains audio data, if a second material exists in the multiple materials, determining a time code of the first material based on a time code of the second material; wherein the first material is a material which does not contain the time code or the time code is wrong, the second material is a material which contains the audio data and the time code, and the audio waveform of the contained audio data is matched with the audio waveform of the audio data of the first material. According to the method and the device, the time code of the material which does not contain the time code or has the wrong time code can be obtained, so that the availability of the material is improved.

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

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.

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.

A system and method for content aware monitoring of an output of a media channel by a media system is provided herein. In at least one embodiment, the method comprises: receiving a media assertion schedule comprising a schedule of assertion checks which allow validating that the output of the media channel, by the media system, is synchronized with an expected media channel output; receiving, from a signature generating module, at least one observed signature file; determining that the timestamp data, in each of the at least one received observed signature file, aligns with at least one timecode included in an assertion check in the media assertion schedule; identifying an assertion condition included in the assertion check; and validating the assertion condition using the observed media frame signatures included in each of the at least one received observed signature file.

A method of creating automatically a merged video stream combining live-action and animation, comprising (1) receiving a video stream comprising a plurality of frames depicting a live-action scene in which one or more persons participates in an activity, the video stream captured by one or more video cameras is associated with an annotated timecode associating a timestamp of one or more of the plurality of frames depicting one or more of a plurality of predefined events relating to the activity with a description of the predefined events, (2) selecting automatically one or more of a plurality of predefined animation elements according to one or more event attributes of the predefined events, (3) creating a merged video stream by merging the selected predefined animation elements into the one or more frames identified by their timestamps, and (4) outputting an editable digital record of the merged video stream.

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.

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.

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.

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.

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.

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.

The invention relates to a video reproduction system (10) configured to reproduce a video data stream of audiovisual data streams (61, 66), the audiovisual data streams (61, 66) comprising an audio data stream (61) comprising time code signals (62, 67) and a video data stream, characterized in that the video reproduction system (10) comprises a synchronization unit (20) and a plurality of head-mounted displays (50, 52, 53), characterized in that the synchronization unit (20) is configured to synchronize the time code signals (62, 67) and the plurality of head-mounted displays (50, 52, 53). A video reproduction system (10) comprises a synchronization unit (20) and a plurality of head-mounted displays (50, 52, 53), in particular augmented reality head-mounted displays, where the synchronization unit (20) is configured to receive an audio data stream (61, 66) from an audio data source (30), transmit the audio data stream (61, 66) to a sound system (40), convert a time code signal (62, 67) of the audio data stream (61, 66) into a time stamp signal (25), and transmit the time stamp signal (25) to the sound system (40). The timestamp signal (25) is transmitted to a plurality of head-mounted displays (50, 52, 53), each of the head-mounted displays (50, 52, 53) being configured to receive the timestamp signal (25), to reproduce the video data stream, and to synchronize the reproduction of the video data stream with the audio data stream (61, 66) using the timestamp signal (25).

Provided is a method including receiving a request for a media choreography asset to play on a first client computing device that has control over at least one connected device that has a feature configured to provide a sensory output to a user; obtaining the media choreography asset that includes a primary media track that includes at least one content track to be presented via an audio or video system, and the media choreography asset includes one or more triggers that include a first set of instructions to operate a first set of the at least one connected device at a first timecode and a first duration during a playback of the primary media track; and providing the media choreography asset to the first client computing device.

The embodiment of the invention provides a cigarette case two-dimensional code generation method and system, and the method comprises the steps: receiving production task information, determining code spraying equipment and code spraying requirements based on the production task information, determining a code spraying time axis in combination with the production task information and equipment parameters of the code spraying equipment, and determining a cigarette case serial number according to the code spraying time axis; determining a task code and a time code of the target cigarette case based on the code spraying time axis, and generating a two-dimensional code of the target cigarette case in combination with code spraying requirements; detecting the image information of the two-dimensional code, determining the two-dimensional code grade of the two-dimensional code based on the image information, and judging whether the two-dimensional code grade meets the grade requirement of the production task information; and when the grade of the two-dimensional code meets the grade requirement of the production task information, extracting a to-be-detected code from the two-dimensional code, obtaining a task code and a time code of the to-be-detected code, comparing the task code and the time code with the corresponding cigarette case serial number, and when the comparison result is matched, outputting a result that the two-dimensional code is qualified.

The invention provides a lunar in-situ probe timing method based on relay communication, which comprises the following steps that: a relay satellite performs framing on the basis of a probe telemetering frame format, inserts a relay satellite punctuality time code, and forwards a relay satellite data transmission frame through an earth data transmission link; establishing a ground test system; the ground test system is used for finishing time calibration on the detector, so that the detector time is synchronized with the ground standard time; a ground test system is used for completing time calibration on the relay satellite, so that the time of the relay satellite is synchronized with the ground standard time; by means of the detector punctuality time code and the relay satellite punctuality time code, time delay delta T device star links from the time when any telemetering frame time code of the detector is generated to the time when the relay satellite completes decoding and the relay satellite time code is printed are obtained through a ground system, and an engineering constant value C is obtained through calculation according to the multiple sets of time delay delta T device star links; calculating the standard time difference between the detector and the ground by using the engineering constant value C, namely the timing amount; and finishing the time correction of the detector according to the time correction amount.

The invention provides a measurement information time synchronization method and system for optical axis pointing calibration of a laser terminal. The method comprises the steps that S1, a spaceborne computer receives and caches collected measurement data with time codes; step S2, searching time-aligned satellite attitude data from the satellite attitude data to obtain aligned satellite attitude data; s3, performing recursion on the aligned satellite attitude data by using an attitude kinematics principle to obtain satellite attitude data after recursion; s4, searching the two-dimensional rotation angle data with time alignment from the two-dimensional rotation angle data of the laser terminal to obtain aligned two-dimensional rotation angle data; and S5, performing time synchronization on the aligned two-dimensional corner data through a weighted average interpolation method to obtain synchronized laser terminal optical axis pointing calibration data. According to the time information synchronization method provided by the invention, corresponding time synchronization strategies are designed according to different measurement data, and the reliability is good and the precision is high when the method is implemented on a satellite.

The present invention relates in particular to a video playback system (10) adapted to play back an audio-video data stream (61, 66) having an audio data stream (61) including a time code signal (62, 67) and a video data stream, the video playback system (10) comprising a synchronization unit (20) and a number of head-mounted displays (50, 52, 53), in particular augmented reality headsets, the synchronization unit (20) receiving the audio data stream (61, 66) from an audio data source (30) and transmitting the audio data stream (61, 66) to a sound system (30). (40), converting time code signals (62, 67) of the audio data streams (61, 66) into timestamp signals (25), and transmitting the timestamp signals (25) to a plurality of head-mounted displays (50, 52, 53), each of the head-mounted displays (50, 52, 53) configured to receive the timestamp signals (25), play a video data stream, and synchronize the playback of the video data stream with the audio data streams (61, 66) using the timestamp signals (25).

The invention relates to the technical field of video processing, in particular to a Timecode-based multi-camera encoding and decoding synchronous display method, which is executed by an encoder and a decoder, and comprises the following steps: when the encoder receives a plurality of camera pictures, encoding the pictures into TS code streams, and adding Timecode information into ES data of the code streams; a plurality of decoding chips are arranged in the decoder, synchronization is carried out according to the Timecode value in the code stream, and the corresponding relation between the pt and the Timecode is stored; and decoding the picture and the pts corresponding to the picture according to the decoding chip, obtaining a corresponding Timecode value through the pts, and sending the picture with the same Timecode to a video memory for display. According to the invention, four decoding chips are used, synchronous display of multi-camera pictures is realized, and the problem that professional multi-camera equipment is too high in price and inconvenient to carry is avoided.

Provided is a method including receiving a request for a media choreography asset to play on a first client computing device that has control over at least one connected device that has a feature configured to provide a sensory output to a user; obtaining the media choreography asset that includes a primary media track that includes at least one content track to be presented via an audio or video system, and the media choreography asset includes one or more triggers that include a first set of instructions to operate a first set of the at least one connected device at a first timecode and a first duration during a playback of the primary media track; and providing the media choreography asset to the first client computing device.

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.