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1. 发明申请

WO2013002828A2 SYSTEMS AND METHODS FOR DETERMINING AVAILABLE BANDWIDTH AND PERFORMING INITIAL STREAM SELECTION WHEN COMMENCING STREAMING USING HYPERTEXT TRANSFER PROTOCOL 审中-公开
标题翻译：用于确定可用带宽和执行使用超文本传输协议进行流行的初始流选择的系统和方法
公开(公告)号：WO2013002828A2
公开(公告)日：2013-01-03
申请号：PCT/US2011/064684
申请日：2011-12-13
申请人： DIVX, LLC , VAN DER SCHAAR, Auke, Sjoerd , BRANESS, Jason , SOROUSHIAN, Kourosh
发明人： VAN DER SCHAAR, Auke, Sjoerd , BRANESS, Jason , SOROUSHIAN, Kourosh
IPC分类号： G06F15/16
CPC分类号： H04L43/0888 , H04L47/12
摘要： Systems and methods for determining available bandwidth and performing initial stream selection when commencing adaptive bitrate streaming using Hypertext Transfer Protocol (HTTP) in accordance with embodiments of the invention are disclosed. One embodiment includes performing a bandwidth probe to obtain an estimate of the available bandwidth between a playback device and a remote server, where the bandwidth probe comprises the playback device requesting blocks of data of increasing size from the remote server until the time taken to download a requested block exceeds a predetermined threshold, selecting an initial stream from said plurality of streams of encoded media that are encoded at different maximum bitrates rates using the playback device based upon the maximum bitrates of the plurality of streams and the estimated available bandwidth, and commencing streaming of encoded media by requesting portions of the encoded media from the initial streams using the playback device.
摘要翻译：公开了根据本发明实施例的使用超文本传输协议（HTTP）开始适应性比特率流时确定可用带宽和执行初始流选择的系统和方法。一个实施例包括执行带宽探测以获得回放设备和远程服务器之间的可用带宽的估计，其中，带宽探测器包括从远程服务器请求增加大小的数据块的回放设备，直到下载所请求的块超过预定阈值，基于所述多个流的最大比特率和估计的可用带宽，使用回放设备从所述多个编码媒体流中选择以不同的最大比特率编码的初始流，并开始流通过使用回放设备从初始流请求编码媒体的部分。

2. 发明申请

WO2012094258A1 SYSTEMS AND METHODS FOR PERFORMING ADAPTIVE BITRATE STREAMING BASED UPON STREAM DELAY AND "CHANNEL RATE 审中-公开
标题翻译：基于流延时和“通道速率”执行自适应双向流的系统和方法
公开(公告)号：WO2012094258A1
公开(公告)日：2012-07-12
申请号：PCT/US2011/068284
申请日：2011-12-31
申请人： DIVX, LLC , VAN DER SCHAAR, Auke, Sjoerd , NADERI, Som
发明人： VAN DER SCHAAR, Auke, Sjoerd , NADERI, Som
IPC分类号： G06F15/16
CPC分类号： H04N19/115 , H04N19/156 , H04N19/187 , H04N19/30 , H04N19/70 , H04N21/23439 , H04N21/26258 , H04N21/6379 , H04N21/8456
摘要： Systems and methods for adaptive bitrate streaming in which playback devices select streams based upon the delay of each stream and the channel rate in accordance with embodiments of the invention are disclosed. One embodiment of the invention includes memory including a client application and a buffer, and a processor, where the client application configures the processor to: select a first video stream from a set of alternative video streams, where at least a plurality of the alternative video streams are encoded to have an upper bound seek delay that is equal to or less than the upper bound seek delay of streams in the set of alternative video streams that are encoded at a higher maximum bitrate; request chunks of the first video stream via a network connection and store the requested chunks in the buffer. Systems and methods may include playback of the buffered chunks.
摘要翻译：公开了根据本发明的实施例的基于每个流的延迟和信道速率来选择流的自适应比特率流的系统和方法。本发明的一个实施例包括包括客户端应用和缓冲器的存储器以及处理器，其中客户端应用将处理器配置为：从一组备选视频流中选择第一视频流，其中至少多个替代视频流编码为具有等于或小于以更高最大比特率编码的替代视频流集合中的流的上限搜索延迟的上限搜索延迟; 通过网络连接请求第一视频流的块，并将所请求的块存储在缓冲器中。系统和方法可以包括缓冲块的重放。

3. 发明申请

WO2013002828A3 SYSTEMS AND METHODS FOR DETERMINING AVAILABLE BANDWIDTH AND PERFORMING INITIAL STREAM SELECTION WHEN COMMENCING STREAMING 审中-公开
标题翻译：用于确定可行带宽和执行初始流选择的系统和方法
公开(公告)号：WO2013002828A3
公开(公告)日：2014-04-10
申请号：PCT/US2011064684
申请日：2011-12-13
申请人： DIVX LLC , VAN DER SCHAAR AUKE SJOERD , BRANESS JASON , SOROUSHIAN KOUROSH
发明人： VAN DER SCHAAR AUKE SJOERD , BRANESS JASON , SOROUSHIAN KOUROSH
IPC分类号： G01R31/08 , G06F11/00
CPC分类号： H04L43/0888 , H04L47/12
摘要： Systems and methods for determining available bandwidth and performing initial stream selection when commencing adaptive bitrate streaming using Hypertext Transfer Protocol (HTTP) in accordance with embodiments of the invention are disclosed. One embodiment includes performing a bandwidth probe to obtain an estimate of the available bandwidth between a playback device and a remote server, where the bandwidth probe comprises the playback device requesting blocks of data of increasing size from the remote server until the time taken to download a requested block exceeds a predetermined threshold, selecting an initial stream from said plurality of streams of encoded media that are encoded at different maximum bitrates rates using the playback device based upon the maximum bitrates of the plurality of streams and the estimated available bandwidth, and commencing streaming of encoded media by requesting portions of the encoded media from the initial streams using the playback device.
摘要翻译：公开了根据本发明实施例的使用超文本传输协议（HTTP）开始适应性比特率流时确定可用带宽和执行初始流选择的系统和方法。一个实施例包括执行带宽探测以获得回放设备和远程服务器之间的可用带宽的估计，其中，带宽探测器包括从远程服务器请求增加大小的数据块的回放设备，直到下载所请求的块超过预定阈值，基于所述多个流的最大比特率和估计的可用带宽，使用回放设备从所述多个编码媒体流中选择以不同的最大比特率编码的初始流，并开始流通过使用回放设备从初始流请求编码媒体的部分。

4. 发明申请

WO2013002834A1 SYSTEMS AND METHODS FOR PERFORMING MULTIPHASE ADAPTIVE BITRATE STREAMING 审中-公开
标题翻译：用于执行多相自适应双极化流的系统和方法
公开(公告)号：WO2013002834A1
公开(公告)日：2013-01-03
申请号：PCT/US2011/068156
申请日：2011-12-30
申请人： DIVX, LLC , SOROUSHIAN, Kourosh , VAN DER SCHAAR, Auke, Sjoerd , BRANESS, Jason , AMIDEL, William, David
发明人： SOROUSHIAN, Kourosh , VAN DER SCHAAR, Auke, Sjoerd , BRANESS, Jason , AMIDEL, William, David
IPC分类号： G06F15/16
CPC分类号： H04L65/4084 , H04L65/4092 , H04L65/602 , H04L65/80 , H04N21/44209 , H04N21/6587 , H04N21/8456
摘要： Multiphase adaptive bitrate streaming systems and methods III accordance with embodiments of the invention are disclosed. One embodiment of the invention includes a processor configured, via a client application, to request portions of files from a remote server. In addition, the client application further configures the processor to commence streaming by requesting portions of the encoded media from one of the plurality of alternative streams, and measure streaming conditions.
摘要翻译：公开了根据本发明的实施例的多相位自适应比特率流系统和方法。本发明的一个实施例包括经由客户端应用程序配置来从远程服务器请求部分文件的处理器。此外，客户端应用还通过从多个备选流中的一个请求部分编码的媒体来配置处理器来开始流式传输，并且测量流传输条件。

5. 发明申请

WO2013033334A1 SYSTEMS AND METHODS FOR ENCODING ALTERNATIVE STREAMS OF VIDEO FOR PLAYBACK ON PLAYBACK DEVICES HAVING PREDETERMINED DISPLAY ASPECT RATIOS AND NETWORK CONNECTION MAXIMUM DATA RATES 审中-公开
标题翻译：用于在具有预测显示宽高比和网络连接的播放设备上编辑视频替代视频的系统和方法最大数据速率
公开(公告)号：WO2013033334A1
公开(公告)日：2013-03-07
申请号：PCT/US2012/053052
申请日：2012-08-30
申请人： DIVX, LLC , SOROUSHIAN, Kourosh , VAN DER SCHAAR, Auke, Sjoerd
发明人： SOROUSHIAN, Kourosh , VAN DER SCHAAR, Auke, Sjoerd
IPC分类号： G06F5/00
CPC分类号： H04N19/115 , H04N5/85 , H04N9/80 , H04N19/132 , H04N19/136 , H04N19/154 , H04N19/16 , H04N19/164 , H04N19/172 , H04N19/85 , H04N21/234363 , H04N21/23439
摘要： Systems and methods for adaptive bitrate streaming of alternative streams of video encoded at resolution and sample aspect ratio combinations and maximum bitrates in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a source encoder configured to encode a source video stream as a plurality of alternative streams of video for playback on a playback device includes a processor configured to receive multimedia content including source video data having a primary resolution, a primary sample aspect ratio, and a primary frame rate and to encode the source video data as alternative streams of video, where the resolution and sample aspect ratio of at least one of the alternative streams of video are selected to have an aspect ratio that is the same as a predetermined display aspect ratio and at least one of the alternative streams is encoded at a maximum bitrate.
摘要翻译：公开了根据本发明的实施例的以分辨率和采样宽高比组合和最大比特率编码的视频编码视频流的自适应比特率流的系统和方法。在本发明的一个实施例中，被配置为将源视频流编码为用于在回放设备上回放的多个备选视频流的源编码器包括：处理器，被配置为接收多媒体内容，包括具有主分辨率的源视频数据，样本宽高比和主帧速率，并且将源视频数据编码为视频的替代流，其中视频的至少一个视频流的分辨率和采样宽高比被选择为具有相同的宽高比作为预定显示宽高比，并且至少一个替代流以最大比特率被编码。

6. 发明申请

WO2012094189A1 SYSTEMS AND METHODS FOR PERFORMING SMOOTH VISUAL SEARCH OF MEDIA ENCODED FOR ADAPTIVE BITRATE STREAMING USING TRICK PLAY STREAMS 审中-公开
标题翻译：系统和方法，用于执行使用TRICK PLAY STREAMS编码的自适应双向流媒体的平滑视觉搜索
公开(公告)号：WO2012094189A1
公开(公告)日：2012-07-12
申请号：PCT/US2011/067243
申请日：2011-12-23
申请人： DIVX, LLC. , BRANESS, Jason , SOROUSHIAN, Kourosh , VAN DER SCHAAR, Auke Sjoerd
发明人： BRANESS, Jason , SOROUSHIAN, Kourosh , VAN DER SCHAAR, Auke Sjoerd
IPC分类号： H04N7/12
CPC分类号： H04N19/593 , G11B27/005 , G11B27/11 , G11B27/322 , H04L65/4084 , H04L65/4092 , H04L65/607 , H04N19/172 , H04N19/177 , H04N19/40 , H04N21/234345 , H04N21/23439 , H04N21/2387 , H04N21/26258 , H04N21/2662 , H04N21/42607 , H04N21/435 , H04N21/44004 , H04N21/44008 , H04N21/44209 , H04N21/6587 , H04N21/8455 , H04N21/8456 , H04N21/85406 , H04N21/8543
摘要： Systems and methods for performing smooth visual search of media encoded for adaptive bitrate streaming using trick play streams are disclosed. One embodiment of the invention includes requesting and buffering portions of video from at least one of the alternative streams using a playback device, decoding the buffered portions of video using a decoder on the playback device, receiving at least one user instruction directing the playback device to perform a visual search of the media, requesting and buffering potions of video from the trick play stream using the playback device, and decoding the buffered portions of the trick play stream using a decoder on the playback device.
摘要翻译：公开了使用特技播放流对用于自适应比特率流进行编码的媒体进行平滑视觉搜索的系统和方法。本发明的一个实施例包括使用回放装置从至少一个备选流请求和缓存视频的一部分，使用回放装置上的解码器对缓冲的视频部分进行解码，接收至少一个指示播放装置的用户指令执行媒体的视觉搜索，使用播放装置从特技播放流请求和缓冲视频的一部分，以及使用重放装置上的解码器对特技播放流的缓冲部分进行解码。

7. 发明申请

WO2012094171A1 ADAPTIVE BITRATE STREAMING OF MEDIA STORED IN MATROSKA CONTAINER FILES USING HYPERTEXT TRANSFER PROTOCOL 审中-公开
标题翻译：使用HYPERTEXT传输协议在MATROSKA容器文件中存储的媒体的适应性双边流
公开(公告)号：WO2012094171A1
公开(公告)日：2012-07-12
申请号：PCT/US2011/066927
申请日：2011-12-22
申请人： DIVX, LLC. , BRANESS, Jason , VAN DER SCHAAR, Auke, Sjoerd , SOROUSHIAN, Kourosh
发明人： BRANESS, Jason , VAN DER SCHAAR, Auke, Sjoerd , SOROUSHIAN, Kourosh
IPC分类号： G06F15/16
CPC分类号： H04N21/2402 , H04L65/4084 , H04L65/4092 , H04L65/607 , H04N21/23439 , H04N21/26258 , H04N21/2662 , H04N21/64322 , H04N21/8455 , H04N21/8456 , H04N21/8543
摘要： Systems and methods for adaptive bitrate streaming of media stored in Matroska container files utilizing Hypertext Transfer Protocol (HTTP) are disclosed. In one embodiment, a processor requests portions of files from a remote server and retrieves top level index data that identifies EBML container files and describes a maximum bitrate of the alternative streams contained within the EBML container files. The top level index data is parsed to obtain information identifying the EBML container files, requests a portion of at least one of the EBML container files that contains the at least one element that specifies the encoding parameters of the stream contained within the EBML container file, and requests portions of a first EBML container file that includes elements that contain portions of encoded video, where the selection is based upon the measured streaming conditions and the description of the bitrate of the alternative stream contained within the top level data.
摘要翻译：公开了使用超文本传输协议（HTTP）在Matroska容器文件中存储的媒体的适应性比特率流媒体的系统和方法。在一个实施例中，处理器从远程服务器请求文件的一部分并检索标识EBML容器文件的顶级索引数据，并且描述包含在EBML容器文件内的替代流的最大比特率。解析顶级索引数据以获得标识EBML容器文件的信息，请求包含指定EBML容器文件中包含的流的编码参数的至少一个元素的至少一个EBML容器文件的一部分，并且请求包括包含编码视频的部分的元素的第一EBML容器文件的部分，其中所述选择基于测量的流条件以及包含在顶级数据中的替代流的比特率的描述。

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