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公开(公告)号：US10389838B2
公开(公告)日：2019-08-20
申请号：US15399184
申请日：2017-01-05
发明人： Lei Li , Andrew Jason Ma , Gurpreet Singh Ahluwalia , Abhishek Dubey , Sachin Shah , Vijay Sen , Gregory Scott Benjamin , Prateek Rameshchandra Shah , Cody Wayne Maxwell Powell , Meltem Celikel , Darryl Hudgin , James Marvin Freeman, II , Aaron M. Bromberg , Bryant F. Herron-Patmon , Nush Karmacharya , Joshua B. Barnard , Peter Wei-Chih Chen , Stephen A. Slotnick , Andrew J. Watts , Richard J. Winograd
IPC分类号： H04L29/08 , H04L29/06 , G06F21/10 , G06F12/02 , G06F12/0813 , G06F12/0862 , G06F12/121
摘要： Disclosed are various embodiments for client-side predictive caching of content to facilitate use of the content. If account is likely to commence use of a content item through a client, the client is configured to predictively cache the content item before the use is commenced. In doing so, the client may obtain an initial portion of the content item from another computing device. The client may then initialize various resources to facilitate use of the content item by the client. The client-side cache may be divided into multiple segments with different content selection criteria.
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公开(公告)号：US10102386B2
公开(公告)日：2018-10-16
申请号：US15481587
申请日：2017-04-07
发明人： Lei Li , Pankaj Sethi , Patrik Schnell , Wesley Shawn Davis , Joshua B. Barnard
摘要： Disclosed are various embodiments for generating encrypted media content items as well as decrypting encrypted media content items. A content type is embedded in an initialization vector corresponding to an encrypted sample. Upon decryption of encrypted content, the content type is identified and an action taken based upon the detected content type.
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公开(公告)号：US09088550B1
公开(公告)日：2015-07-21
申请号：US13685252
申请日：2012-11-26
CPC分类号： H04L63/0457 , G06F21/10 , G06F21/80 , G06F2221/0784 , H04L65/604 , H04N21/2541 , H04N21/4302 , H04N21/4627 , H04N21/845 , H04N21/8549
摘要： Described herein are systems and methods for initiating presentation of content on a device. Unencrypted content is received for presentation. During presentation of the unencrypted content, encrypted content is accessed, decrypted and prepared for presentation. Once available, the presentation transitions from the unencrypted content to the encrypted content. As a result, latencies involved in accessing the encrypted content do not affect presentation to a user.
摘要翻译： 这里描述了用于发起在设备上呈现内容的系统和方法。 收到未加密的内容进行演示。 在呈现未加密内容期间，加密内容被访问，解密并准备呈现。 一旦可用，演示将从未加密内容转换为加密内容。 因此，访问加密内容所涉及的延迟不会影响对用户的呈现。
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公开(公告)号：US11688388B1
公开(公告)日：2023-06-27
申请号：US16948612
申请日：2020-09-24
发明人： Joshua Danovitz , Lei Li , Lars Christian Ulness , Andrew J. Watts , Amarsingh Buckthasingh Winston , Umut Utkan , Michael Flynn , Girish Bansilal Bajaj
IPC分类号： G10L15/08 , G06Q30/0241 , G06Q30/0251 , G06F3/16 , G06F16/907 , G06V20/40
CPC分类号： G10L15/08 , G06F3/167 , G06F16/907 , G06Q30/0269 , G06Q30/0277 , G06V20/41
摘要： Techniques are described for fulfilling an utterance request for an item represented within a video rendered at a client device. In some implementations, a user account associated with the request is identified, enabling a video stream transmitted in association with the user account at the time that the request was uttered to be identified. In one technique, a timestamp associated with the request is used to identify the relevant portion of the video stream. The item represented within the portion of the video stream can be identified using various techniques and/or information such as image recognition, metadata within the video, subtitles, closed captions, and/or a database mapping between the item and a video content item transmitted in the video stream.
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公开(公告)号：US11659212B1
公开(公告)日：2023-05-23
申请号：US17651804
申请日：2022-02-20
发明人： Hai Wei , Brian Manuel Alvarez , Yongjun Wu , Abhishek Kumar , Lei Li
IPC分类号： H04N21/2187 , H04N21/2662 , H04N21/24 , H04N21/236
CPC分类号： H04N21/2187 , H04N21/236 , H04N21/2402 , H04N21/2407 , H04N21/2662
摘要： Techniques are described for creating and using playback-conditions-adaptive live video encoding ladders.
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公开(公告)号：US10958947B1
公开(公告)日：2021-03-23
申请号：US16817129
申请日：2020-03-12
发明人： Hai Wei , Brian Manuel Alvarez , Yongjun Wu , Abhishek Kumar , Lei Li
IPC分类号： H04N7/173 , H04N21/2187 , H04N21/236 , H04N21/24 , H04N21/2662
摘要： Techniques are described for creating and using playback-conditions-adaptive live video encoding ladders.
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公开(公告)号：US10897654B1
公开(公告)日：2021-01-19
申请号：US16588652
申请日：2019-09-30
发明人： Hai Wei , Yongjun Wu , Abhishek Kumar , Lei Li , Amarsingh B. Winston
IPC分类号： H04N21/647 , H04N21/2343 , H04N21/238 , H04L12/811 , H04N19/50 , H04L29/06
摘要： Techniques are described for optimizing event-adaptive live video encoding profiles.
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公开(公告)号：US10893331B1
公开(公告)日：2021-01-12
申请号：US16218282
申请日：2018-12-12
发明人： Avinash Kumar , Ravindra Ganti , Yongjun Wu , Lei Li , Abhishek Kumar , Nicholas Lovejoy , Patrick Joseph Lewis
IPC分类号： H04N21/462 , H04N21/488 , H04N21/8547 , H04N21/258 , H04N21/81 , H04N21/658
摘要： Methods and apparatus are described for reducing subtitle information for just-after-broadcast (JAB) content. Redundant information in subtitle entries is removed so that some client devices with limited memory can handle the single subtitle file that is delivered with JAB content.
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公开(公告)号：US10104143B1
公开(公告)日：2018-10-16
申请号：US15173499
申请日：2016-06-03
IPC分类号： H04N21/2387 , H04L29/06 , H04L29/08 , H04N21/84 , H04N21/254 , H04N21/4627
摘要： Methods and apparatus are described for segmenting a manifest file to generate smaller manifest files for media content playback. A server can segment a manifest file prior to receipt of a request from a client or in response to a request from a client for a manifest for media content for a particular fragment range.
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公开(公告)号：US10440082B1
公开(公告)日：2019-10-08
申请号：US15188763
申请日：2016-06-21
发明人： Amarsingh Buckthasingh Winston , Nicholas James Benson , Marc Joliveau , Lei Li , Stefan Christian Richter , Li Tong
IPC分类号： H04L29/06 , H04N21/24 , H04N21/2387 , H04N21/2662
摘要： Techniques are described for adjusting parameter settings for bitrate selection algorithms for devices streaming media content. Control parameter settings are selected for playback of first media content. Test parameter settings are selected for playback of second media content. If the test parameter settings result in better playback performance relative to the control parameter settings, the test parameter settings become the new control parameter settings.
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