Patent classifications
H04N21/234354
Viewport dependent delivery methods for omnidirectional conversational video
A user equipment, media control unit, media resource function, or another device or function capable of receiving, manipulating, and transmitting data may be configured to: receive an omnidirectional video; determine a viewport of a user equipment; determining a delivery mode; determine a region of the omnidirectional video based, at least partially, on the determined viewport and the determined delivery mode; encode the determined region; packetizing the encoded region; and transmit the packetized region to the user equipment based, at least partially, on the determined delivery mode.
METHOD AND DEVICE FOR TRANSMITTING IMAGE CONTENT USING EDGE COMPUTING SERVICE
An example method, performed by an edge data network, of transmitting image content, includes obtaining azimuth information and focal position information from an electronic device connected to the edge data network, and generating a filtered first partial image by performing filtering on a first partial image corresponding to the azimuth information by using one filter determined based on the focal position information.
DYNAMIC INSERTION OF CONTENT VIA MACROBLOCK MODIFICATION
Systems, methods, and devices for inserting content into a video frame are disclosed herein. A frame of video data encoded to include a plurality of macroblocks is received. An insertion region of the frame for inserting content is defined, the insertion region spanning a subset of the macroblocks. The frame is augmented with a duplication region configured as a non-displayed region, the duplication region including duplicated macroblocks that duplicate the macroblocks of insertion region. The macroblocks of the insertion region are replaced with replacement macroblocks that encode replacement content.
Antena arrangements and associated control methods
A broadcast receiving apparatus includes: a plurality of unit antennas arranged at preset intervals, each unit antenna of the plurality of antennas being configured to receive a broadcast signal; a plurality of receiving modules, each receiving module of the plurality of receiving modules being configured to convert the broadcast signal received by a corresponding unit antenna of the plurality of unit antennas into a first signal and output the first signal; a filter configured to filter a noise component out of the first signals output by the plurality of receiving modules, synthesize the first signals into a second signal and output the second signal; and a signal processor configured to perform a signal process for displaying an image based on the second signal output from the filter.
HIGH-QUALITY, REDUCED DATA RATE STREAMING VIDEO PRODUCTION AND MONITORING SYSTEM
Video signals are received from multiple sources, including remote sources, and are collected at a central location for viewing and/or storage. The signals are transmitted to a central site as compressed, progressively-scanned streaming video signals, employing data rates in the range of 2-4 Mbps. 24 fps or less is used, and the frame rate may be variable or fixed. The source signal frame rate and image size may be different for each source signal, and the frame rate and image size of the source signal in the format stored may be different from the frame rate and image size in the format displayed. In formats utilizing less than 24 fps progressive scan multi-format, direct streaming is made possible from HDTV (16:9) data, enabling applications utilizing these higher levels of resolution. Application of these formats adjusts streams, enabling a video surveillance system to transmit streams to a remote viewing device.
METHOD, SYSTEM AND SERVER FOR LIVE STREAMING AUDIO-VIDEO FILE
A method for live streaming an audio-video file is disclosed, in which an original audio-video file is obtained; an audio frame and a video frame are read from the original audio-video file; the video frame is transcoded into video frames with different code rates; the video frames with different code rates are synthesized respectively with the audio frame into audio-video files with different code rates; the audio frames and the video frames are extracted from the audio-video files with different code rates respectively to form respective video streams; and different video streams are pushed.
CONTENT DELIVERY EDGE STORAGE OPTIMIZED MEDIA DELIVERY TO ADAPTIVE BITRATE (ABR) STREAMING CLIENTS
A system includes an interface unit to receive a request, from a media client, to obtain a segment of media content at an ABR representation, and a transcoding unit. The transcoding unit includes a scalable decoder, hint stream decoder, and re-encoder. The scalable decoder receives and decodes a set of two or more layers of a scalable coded representation corresponding to the requested segment of media content at the requested ABR representation to provide a set of media frames and scalable stream information for the segment. The hint stream decoder receives and decodes a hint stream corresponding to the requested segment of media content at the requested ABR representation and the scalable stream information to provide transcoding hints for the segment. The re-encoder re-encodes the set of media frames using the transcoding hints to provide an encoded bit stream corresponding to the requested segment of media content.
Managed degradation of a video stream
A system and a method for simultaneous transmission of multiple media streams in a fixed bandwidth network are disclosed herein. The system is comprised of a central gateway media server and a plurality of client receiver units. The input media streams arrive from an external source and are then transmitted to the client receiver units in a compressed format. A state machine on the gateway media server detects if the network bandwidth is close to saturation. In one embodiment, the potential bandwidth saturation is measured by matching the time when the start of unit of media for each stream against the estimated transmission time for that unit. When any one actual transmission time exceeds its estimated transmission time by a predetermined threshold value, the network is deemed to be close to saturation, or already saturated, and the state machine executes a process of selecting at least one stream as a target for lowering total bandwidth usage. Once the target stream associated with a client receiver unit is chosen, the amount of data transmitted by the target stream is reduced, which could result in a lower data transmission rate. In one embodiment, the amount of data is reduced by a gradual degradation of the precision of the data, resulting in a greater potential for data compression, and/or by gradually reducing the resolution of the data of the target stream.
High-Quality, Reduced Data Rate Streaming Video Production and Monitoring System
A multi-format digital video production system is capable of maintaining full-bandwidth resolution of subject material while providing professional quality editing and manipulation of images intended for digital television and other applications, including digital HDTV programs and specialized video monitoring applications. This allows emerging broadband video transmission media, including Internet broadcast schemes, to overcome existing technology limitations. The approach facilitates high-quality/large-screen video production and monitoring through the use of conventional broadband channels, including those which currently only exhibit bandwidths on the order of 4 Mbps. In formats utilizing substantially 24 fps progressive scan multi-format system, direct streaming is made possible from HDTV (16:9) high-quality data, thereby expanding market applications which require these higher levels of resolution, bits per pixel, and so forth.
METHOD AND APPARATUS FOR TRANSMITTING ADAPTIVE VIDEO IN REAL TIME USING CONTENT-AWARE NEURAL NETWORK
A method and apparatus for transmitting adaptive video in real time using a content-aware neural network are disclosed. At least one embodiment provides a method performed by a server for transmitting an adaptive video in real time by using content-aware deep neural networks (DNNs), including downloading a video, encoding a downloaded video for each of at least one resolution, dividing an encoded video into video chunks of a predetermined size, training the content-aware DNNs by using encoded video, generating a configuration or manifest file containing information on trained content-aware DNNs and information on the encoded video, and transmitting the configuration file upon a request of a client.