公开(公告)号：US20210067818A1

公开(公告)日：2021-03-04

申请号：US16560636

申请日：2019-09-04

申请人： AT&T Intellectual Property I, L.P.

发明人： Subhabrata Sen ,  Krishna R. Pattipati ,  Bing Wang ,  Yanyuan Qin

IPC分类号： H04N21/234 ,  H04N21/2662 ,  H04N21/643 ,  H04N21/231

摘要： Devices, computer-readable media, and methods for selecting a video chunk from among a plurality of video chunks associated with a first time block of a video in accordance with a designated perceptual visual quality are disclosed. For instance, a processing system including at least one processor may obtain a selection of a designated perceptual visual quality for a video, select a video chunk from among a plurality of video chunks associated with a first time block of the video, based upon a manifest file of the video, where the video chunk is selected in accordance with the designated perceptual visual quality, and where each of the plurality of video chunks is associated with a respective perceptual visual quality. The processing system may further obtain the video chunk from a server and record the video chunk in a buffer.

公开(公告)号：US20200351504A1

公开(公告)日：2020-11-05

申请号：US16402573

申请日：2019-05-03

申请人： AT&T Intellectual Property I, L.P. ,  The University of Connecticut

发明人： Subhabrata Sen ,  Shuai Hao ,  Krishna Pattipati ,  Yanyuan Qin ,  Bing Wang

IPC分类号： H04N19/14 ,  H04N19/115 ,  H04N19/147 ,  H04N19/176

摘要： Devices, computer-readable media, and methods for differential adaptive bitrate streaming based on scene complexity are disclosed. In one example, a method includes inferring, by a processor, a complexity of a scene contained in a first chunk of an adaptive bitrate streaming video, wherein the first chunk is a next chunk of the adaptive bitrate streaming video to be downloaded to an adaptive bitrate streaming video player, and wherein the complexity indicates a relative amount of spatial and temporal information contained in the scene, and selecting, by the processor, a first track from which to download the first chunk, wherein the first track is one of a plurality of tracks containing the first chunk, and wherein each track of the plurality of tracks encoded the first chunk at a different bitrate, and wherein a bitrate of the first track is proportional to the complexity of the scene as inferred.

公开(公告)号：US11616823B2

公开(公告)日：2023-03-28

申请号：US17463817

申请日：2021-09-01

申请人： AT&T Intellectual Property I, L.P. ,  The University of Connecticut

发明人： Subhabrata Sen ,  Bing Wang ,  Yanyuan Qin

IPC分类号： H04L65/70 ,  H04L12/14 ,  H04L47/38 ,  H04L65/80 ,  H04N21/2662 ,  H04L65/75

摘要： Aspects of the subject disclosure may include, for example, embodiments that comprise obtaining a data budget associated with a communication session for streaming video content over a communication network from a video content server, determining a first portion of the data budget that is associated with a first segment of the video content, and obtaining quality information associated with the video content from the video content server over the communication network. Further embodiments can include identifying a first group of tracks for the first segment, and determining a first target quality for the first segment based on the first portion of the data budget and the quality information. Other embodiments are disclosed.

公开(公告)号：US10917667B1

公开(公告)日：2021-02-09

申请号：US16560636

申请日：2019-09-04

申请人： AT&T Intellectual Property I, L.P.

发明人： Subhabrata Sen ,  Krishna R. Pattipati ,  Bing Wang ,  Yanyuan Qin

IPC分类号： H04N21/234 ,  H04N21/2662 ,  H04N21/231 ,  H04N21/643

摘要： Devices, computer-readable media, and methods for selecting a video chunk from among a plurality of video chunks associated with a first time block of a video in accordance with a designated perceptual visual quality are disclosed. For instance, a processing system including at least one processor may obtain a selection of a designated perceptual visual quality for a video, select a video chunk from among a plurality of video chunks associated with a first time block of the video, based upon a manifest file of the video, where the video chunk is selected in accordance with the designated perceptual visual quality, and where each of the plurality of video chunks is associated with a respective perceptual visual quality. The processing system may further obtain the video chunk from a server and record the video chunk in a buffer.

公开(公告)号：US10728180B2

公开(公告)日：2020-07-28

申请号：US16107550

申请日：2018-08-21

申请人： AT&T INTELLECTUAL PROPERTY I, L.P. ,  UNIVERSITY OF CONNECTICUT

发明人： Subhabrata Sen ,  Shuai Hao ,  Yanyuan Qin ,  Bing Wang ,  Krishna R. Pattipati

IPC分类号： H04L12/861 ,  H04L29/06

摘要： Aspects of the subject disclosure may include, for example, communicating with a source of streaming media, wherein the streaming media is variable bitrate encoded, wherein the streaming media comprises a first plurality of chunks, wherein each of the first plurality of chunks corresponds to a first portion of the streaming media, wherein the streaming media comprises a second plurality of chunks, wherein each of the second plurality of chunks corresponds to a second portion of the streaming media, wherein the streaming media comprises a third plurality of chunks, and wherein each of the third plurality of chunks corresponds to a third portion of the streaming media; obtaining, from the source, a first one of the first plurality of chunks; and determining which of the second plurality of chunks and third plurality of chunks to obtain. Other embodiments are disclosed.

公开(公告)号：US10362080B2

公开(公告)日：2019-07-23

申请号：US15496233

申请日：2017-04-25

申请人： AT&T INTELLECTUAL PROPERTY I, L.P.

发明人： Subhabrata Sen ,  Shuai Hao ,  Yanyuan Qin ,  Ruofan Jin ,  Krishna R. Pattipati ,  Bing Wang

IPC分类号： H04L29/06 ,  H04L12/26 ,  H04N21/44 ,  H04N21/2343 ,  H04N21/442 ,  H04N21/845 ,  H04L29/08

摘要： Aspects of the subject disclosure may include, for example, embodiments include obtaining a first estimated bandwidth capacity of a communication network and selecting a target buffer level to temporarily store media content. Further embodiments include requesting a first portion of the media content according to the first estimated bandwidth capacity and the target buffer level and receiving the first portion of the media content. Additional embodiments include determining a current buffer level and receiving a second estimated bandwidth capacity of the communication network. Also, embodiments include requesting a second portion of the media content according to the current buffer level and the second estimated bandwidth capacity. Other embodiments are disclosed.