11 results about "Elementary stream" patented technology

The present invention relates to a method 100 and a system configured to generate several target videos from an input video using different sets of target features. The invention involves obtaining 110 the input video, selecting 120 the sets of target features, comparing 130 with the input feature set, and generating 140 sets of encoding parameters to modify the data in the data fields to be modified. Then, encoders are initialized 160 with these sets of encoding parameters, and a single decoding 170 is performed on the input video. The extracted video, audio, and data frames are then encoded 180 in parallel using the initial N encoders. Finally, each elementary stream is multiplexed 190 to obtain 191 the target videos. Fig. 1

Systems and methods relating to full motion video (FMV) routing in one-way transfer (OWT) systems are described herein. The present technology modifies or adds packetized elementary streams (PESs) of video streams, that are sent from the low-trust side of the OWT system, with a global unique identifier (GUID) that is used as an identifier to determine a particular destination on the high-trust side of the OWT system. The enriched video stream is then transmitted through an OWT system that provide high reliability for the enriched video stream. When the enriched video stream is received on the high-trust side, the GUID from the PES is extracted and used to identify destination addresses for destination devices in the high-trust computing environment. The video stream is then delivered to the destination devices having the corresponding destination addresses.

The application discloses a 4D Gaussian sputtering compression method based on UV mapping, relates to the technical field of video basic stream processing, and mainly comprises the following steps: converting the three-dimensional coordinates of the center point of each 3D Gaussian sputtering basic unit in a 4D Gaussian sputtering sequence into spherical coordinates through coordinate conversion, and mapping and constructing the azimuth and polar angle in the spherical coordinates into a two-dimensional UV grid representation; through multi-round iterative sampling, selecting the 3D Gaussian sputtering basic unit with the maximum radial distance in each round grid unit as high-priority data to construct a multi-layer UV mapping; collecting all the 3D Gaussian sputtering basic units that are not selected after iterative sampling and reordering them as detail supplement data; and splitting the attribute data of the 3D Gaussian sputtering basic unit into corresponding bit components based on the channel number of a video codec and encapsulating the attribute data into YUV format data to input the video codec for compression. The application can adapt to the input requirements of a standard video codec without training.

Method, apparatus, and system for haptic signal processing are provided. The process may include receiving a media stream comprising at least one haptic track and at least one media track. The process may include obtaining at least one MIHS unit from the media stream and obtain a respective start time associated with the at least one MIHS unit from the media stream. The process may include the media stream being rendered based on the respective start time. Each of the at least one MIHS unit is non-overlapping in time, a MIHS unit among the at least one MIHS unit comprises a start time for the MIHS unit, and the MIHS unit is associated with one or more haptic channel.

The invention discloses an audio and video transmission method and system, and relates to the technical field of audio and video transmission, and the method comprises the following steps: 1, building a communication link, specifically, initializing connection; adding a local media track; the sending end creates a session invitation and sends the session invitation to the receiving end, and after receiving the session invitation, the receiving end sets remote description, creates a session response and returns the session response to the sending end; the sending end sets far-end description; the two parties start to exchange interactive connection to establish candidate addresses; and after the channel connection is successful, monitoring data or media streams. And step 2, data transmission in an actual channel is carried out: when point-to-point connection is successfully established (the connection supports remote peer-to-peer connection, maintenance and monitoring, and the connection is closed when no connection is needed), data transmission is carried out through a data construction transmission mode model. And step 3, confirming the basic flow of audio and video transmission. According to the method, the content is packaged into the pull stream interface and the push stream interface, aiming at the asynchronous execution characteristic of webpage real-time communication, all the content is packaged into success and failure callback with an asynchronous result object, and each step has state return.

The application discloses a kind of generation and processing method and its device of transmission stream and program stream.Processing method and device can analyze the dependent relationship identification information in transmission stream or program stream, to obtain the dependent relationship between main bit stream and knowledge bit stream, and according to the dependent relationship, to obtain main bit stream and the knowledge bit stream referred to, and with the knowledge image in knowledge bit stream as reference image, the image in main bit stream is decoded.Generation method and device can put main bit stream and the knowledge bit stream dependent as basic stream into transmission stream packet package or program stream packet package, and put dependent relationship identification information in the transmission stream packet package or program stream packet package to describe the dependent relationship between the basic stream to which the main bit stream belongs and the basic stream to which the knowledge bit stream belongs.The application can conveniently and compatibly realize the dependent relationship description between main bit stream and knowledge bit stream, and also does not waste data amount.

The invention discloses a media data transmission method, apparatus and device, and a readable storage medium. The method comprises the steps of receiving an SMTP elementary stream mode data packet; judging whether the SMTP elementary stream mode data packet contains metadata corresponding to the media data or not; if yes, decoding the SMTP elementary stream mode data packet, and performing media content presentation according to a first elementary stream mode SMTP load obtained by decoding; if not, decoding the SMTP basic flow mode data packet to obtain a second basic flow mode SMTP load; acquiring a signaling mode data packet, and decoding the signaling mode data packet to obtain a second metadata head; and performing media content presentation according to the second basic stream mode SMTP load and the second metadata head. The media data does not need to be subjected to file packaging, so that the transmission efficiency of the media data is improved, and the video quality is improved.

A telecommunications procedure involves capturing communication traffic metadata from one or more communication applications in a vehicle. The procedure additionally includes identifying an achievable communication data rate for an initial communication option along a planned vehicle route.Furthermore, if all of the following are true, the procedure includes using the first communication option for communication with the communication applications: basic traffic of the communication applications is supported by the first communication option; the data rate gaps during which the achievable communication data rate will be lower than a required communication data rate for the communication applications will be lower than a maximum latency; the data communication deficits during which the achievable communication data rate will be lower than the required communication data rate are resolved by using the first communication option at or before the maximum latency.

Systems and methods relating to full dynamic video (FMV) routing in a one-way transport (OWT) system are described herein. The present technology utilizes a globally unique identifier (GUID) to modify a packed elementary code stream (PES) of a video stream sent from a low-trust side of an OWT system or to add the globally unique identifier thereto, which is used as an identifier to determine a particular destination on a high-trust side of the OWT system. The enhanced video stream is then transmitted through an OWT system that provides high reliability for the enhanced video stream. When an enhanced video stream is received at the high trust side, the GUID from the PES is extracted and used to identify a destination address for a destination device in the high trust computing environment. The video stream is then delivered to destination devices having respective destination addresses.

An apparatus suitable for transferring a video signal which is to be output as an encoded signal, the encoded signal to include a base stream and at least one enhancement stream. The enhancement strea