公开(公告)号：US20230344446A1

公开(公告)日：2023-10-26

申请号：US18304242

申请日：2023-04-20

Applicant: NETFLIX, INC.

Inventor： Joseph LYNCH

IPC: H03M7/30

CPC classification number: H03M7/3088

Abstract: In various embodiments a computer-implemented method for managing use of a shared compression dictionary in a distributed database environment. The method includes determining that a given version of the shared compression dictionary should be designated as a current primary version of the shared compression dictionary. The method also includes receiving, from a client device, first write data compressed with a previous primary version of the shared compression dictionary and in response to receiving the first write data, transmitting, to the client device, the current primary version of the shared compression dictionary and an instruction to compress new write data with the current primary version of the shared compression dictionary. Additionally, the method includes receiving, from the client device, a second write data compressed with the current primary version of the shared compression dictionary and storing the second write data in a database.

公开(公告)号：US20230334055A1

公开(公告)日：2023-10-19

申请号：US18299674

申请日：2023-04-12

Applicant: NETFLIX, INC.

Inventor： Sudeep DAS ,  Ivan Gennadievich PROVALOV ,  Weidong ZHANG ,  Yi ZHANG

IPC: G06F16/2457 ,  G06F16/28

CPC classification number: G06F16/24578 ,  G06F16/285

Abstract: In various embodiments, an intent-based query processing application processes search queries. The intent-based query processing application computes lexical similarity scores between a search query and a set of entities. The intent-based query processing application computes entity relevance scores based on the lexical similarity scores and user engagement scores associated with both the search query and the set of entities. The intent-based query processing application computes a first category relevance score associated with both the search query and a first category based on the entity relevance scores. The intent-based query processing application determines an intent associated with the search query based on the first category relevance score. The intent-based query processing application generates a response to the search query based on the intent.

公开(公告)号：US11770565B2

公开(公告)日：2023-09-26

申请号：US17466950

申请日：2021-09-03

Applicant: NETFLIX, INC.

Inventor： Mark Watson

IPC: H04N21/234 ,  H04N21/231 ,  H04N21/2387 ,  H04N21/24

CPC classification number: H04N21/23406 ,  H04N21/231 ,  H04N21/2387 ,  H04N21/24

Abstract: In various embodiments, a graph streaming application computes a first distance along a first potential playback path between a first playback position and a first media content block. The graph streaming application then computes a first score for the first media content block based on the first distance and a first probability associated with the first potential playback path. Similarly, the graph streaming application computes a second score for a second media content block based on a second playback position, a second potential playback path, and a second probability associated with the second potential playback path. The graph streaming application compares the first score and the second score to determine that the first media content block should be buffered by a client device. The graph streaming application then causes the first media content block to be stored in a playback buffer for subsequent playback on the client device.

公开(公告)号：US20230300392A1

公开(公告)日：2023-09-21

申请号：US18301199

申请日：2023-04-14

Applicant: Netflix, Inc.

Inventor： Apurvakumar Dilipkumar Kansara ,  Sanford Holsapple ,  Arica Westadt ,  Kunal Bisla ,  Sameer Shah

IPC: H04N21/258 ,  H04N21/431 ,  H04N21/4402 ,  H04N21/4728 ,  H04N21/485 ,  G06V20/40 ,  G06V10/25

CPC classification number: H04N21/25825 ,  G06V10/25 ,  G06V20/40 ,  G06V20/46 ,  G06V20/49 ,  H04N21/4318 ,  H04N21/440272 ,  H04N21/4728 ,  H04N21/4854 ,  H04N21/4858

Abstract: The disclosed computer-implemented method may include receiving, as an input, segmented video scenes, where each video scene includes a specified length of video content. The method may further include scanning the video scenes to identify objects within the video scene and also determining a relative importance value for the identified objects. The relative importance value may include an indication of which objects are to be included in a cropped version of the video scene. The method may also include generating a video crop that is to be applied to the video scene such that the resulting cropped version of the video scene includes those identified objects that are to be included based on the relative importance value. The method may also include applying the generated video crop to the video scene to produce the cropped version of the video scene. Various other methods, systems, and computer-readable media are also disclosed.

公开(公告)号：US11750821B2

公开(公告)日：2023-09-05

申请号：US17174121

申请日：2021-02-11

Applicant: NETFLIX, INC.

Inventor： Anush Moorthy ,  Zhi Li ,  Liwei Guo ,  Aditya Mavlankar ,  Anne Aaron

IPC: H04N19/146 ,  H04N19/154 ,  H04N19/184 ,  H04N19/30

CPC classification number: H04N19/146 ,  H04N19/154 ,  H04N19/184 ,  H04N19/30

Abstract: In various embodiments, an encoding ladder application generates encoding ladders for encoding media titles. In operation, the encoding ladder application generates a first convex hull representing encoding tradeoffs between quality and bitrate when encoding a media title at a first resolution; The encoding ladder application generates a second convex hull representing encoding tradeoffs between quality and bitrate when encoding the media title at a second resolution. Based on the first convex hull and the second convex hull, the encoding ladder application generates an overall convex hull. Subsequently, the encoding ladder application generates an encoding ladder for the media title based on at least the overall convex hull and a ladder requirement. Advantageously, the tradeoffs between quality and bitrate represented by the encoding ladder are customized for the media title. Consequently, encoding inefficiencies attributable to conventional fixed-bitrate ladders can be reduced.

公开(公告)号：US11743190B2

公开(公告)日：2023-08-29

申请号：US17588016

申请日：2022-01-28

Applicant: NETFLIX, INC.

Inventor： Sergey Fedorov ,  Phelps Watson Williams ,  Niosha Behnam

IPC: H04L47/125 ,  H04L47/2441 ,  G06F17/11 ,  H04N21/239 ,  H04L67/1036 ,  H04L43/0864 ,  H04L67/101 ,  H04L67/1021 ,  H04L61/4511 ,  H04L67/56 ,  H04L67/1008 ,  H04L67/1012 ,  H04L65/612

CPC classification number: H04L47/125 ,  G06F17/11 ,  H04L43/0864 ,  H04L47/2441 ,  H04L61/4511 ,  H04L67/101 ,  H04L67/1021 ,  H04L67/1036 ,  H04L67/56 ,  H04N21/239 ,  H04L65/612 ,  H04L67/1008 ,  H04L67/1012

Abstract: In various embodiments, domain name system (DNS) servers are implemented on a content distribution network (CDN) infrastructure in order to facilitate centralized control of traffic steering. Each server appliance in the CDN infrastructure acts as both an authoritative DNS nameserver and a dynamic request proxy, and each such server appliance is assigned to one of multiple cloud computing system regions. The assignment of server appliances to cloud regions is based on latency measurements collected via client application probes and an optimization that minimizes an overall latency experienced by the client applications subject to constraints that the maximum traffic to each cloud region is less than a capacity constraint for that region, the maximum deviation of traffic to each cloud regions at any point in time is less than a given percentage, and the maximum deviation of traffic between direct and indirect paths is less than a given percentage.

公开(公告)号：US11722720B2

公开(公告)日：2023-08-08

申请号：US17581480

申请日：2022-01-21

Applicant: NETFLIX, INC.

Inventor： Ioannis Katsavounidis

IPC: H04N21/2662 ,  H04N21/2343 ,  H04N21/238

CPC classification number: H04N21/2662 ,  H04N21/23805 ,  H04N21/234309 ,  H04N21/234363

Abstract: In various embodiments, a subsequence-based encoding application generates subsequences based on a source sequence associated with a media title. The subsequence-based encoding application then encodes both a first subsequence and a second subsequence across each of multiple configured encoders and at least one rate control value to generate, respectively, a first set of encoded subsequences and a second set of encoded subsequences. Notably, each configured encoder is associated with a combination of an encoder and a configuration, and at least two configured encoders are different from one another. Subsequently, the subsequence-based encoding application generates encoded media sequences based on the first set of encoded subsequences and the second set of encoded subsequences. Finally, the application selects a first encoded media sequence from the encoded media sequences based on a first target value for a media metric to subsequently stream to a first endpoint device during playback of the media title.

公开(公告)号：US11716520B2

公开(公告)日：2023-08-01

申请号：US17359468

申请日：2021-06-25

Applicant: Netflix, Inc.

Inventor： Weiguo Zheng ,  Rex Yik Chun Ching ,  Yongjun Jeon ,  Chandrika Kasi

IPC: H04N21/8547 ,  G11B27/34 ,  H04N21/2343

CPC classification number: H04N21/8547 ,  G11B27/34 ,  H04N21/234381

Abstract: The disclosed computer-implemented method includes determining, for multiple different media items, a current time scale at which the media items are encoded for distribution, where at least two of the media items are encoded at different frame rates. The method then includes identifying, for the media items, a unified time scale that provides a constant frame interval for each of the media items. The method also includes changing at least one of the media items from the current time scale to the identified unified time scale to provide a constant frame interval for the changed media item(s). Various other methods, systems, and computer-readable media are also disclosed.

公开(公告)号：US11711445B2

公开(公告)日：2023-07-25

申请号：US17023261

申请日：2020-09-16

Applicant: NETFLIX, INC.

Inventor： Christopher Newton

IPC: G06F15/16 ,  H04L67/568 ,  H04L69/22 ,  H04L69/329 ,  H04L67/1001

CPC classification number: H04L67/568 ,  H04L67/1001 ,  H04L69/22 ,  H04L69/329

Abstract: Various embodiments of the present disclosure relate to a computer-implemented method of receiving a header associated with an object, where the header includes a limit value that specifies a quantity of times the object is to be served from a cache device before revalidation, and a current count value that specifies a number of times that the object has been served since a most-recent revalidation or load, receiving a request for the object from a requesting device, and upon determining that the current count value is below the limit value, serving the object to the requesting device from the cache device, or upon determining that the current count value matches the limit value, transmitting a request for revalidating the object.

公开(公告)号：US11700415B2

公开(公告)日：2023-07-11

申请号：US17746823

申请日：2022-05-17

Applicant: NETFLIX, INC.

Inventor： Mark Watson

IPC: H04N21/43 ,  G06F16/783 ,  H04N21/439 ,  G06V20/40

CPC classification number: H04N21/4307 ,  G06F16/7834 ,  G06V20/46 ,  G06V20/49 ,  H04N21/4394

Abstract: A playback application is configured to analyze audio frames associated with transitions between segments within a media title to identify one or more portions of extraneous audio. The playback application is configured to analyze the one or more portions of extraneous audio and then determine which of the one or more corresponding audio frames should be dropped. In doing so, the playback application can analyze a topology associated with the media title to determine whether any specific portions of extraneous audio are to be played outside of a logical ordering of audio samples set forth in the topology. These specific portions of extraneous audio are preferentially removed.