Netflix Patent Grants

Optimizing encoding operations when generating encoded versions of a media title

Granted: November 14, 2023
Patent Number: 11818375
In various embodiments, a sequence-based encoding application partitions a set of shot sequences associated with a media title into multiple clusters based on at least one feature that characterizes media content and/or encoded media content associated with the media title. The clusters include at least a first cluster and a second cluster. The sequence-based encoding application encodes a first shot sequence using a first operating point to generate a first encoded shot sequence. The…

Systems and methods for network telemetry data replication

Granted: November 7, 2023
Patent Number: 11811892
The disclosed computer-implemented method includes identifying a target networking device communicatively connected to a cluster of networked server instances. The networked server instances are configured to consume network telemetry messages. The method further includes applying a shared lock to the target networking device, so that only a single networked server instance has access to network telemetry messages produced by the target networking device. The method also includes…

Displaying a scene to a subject while capturing the subject's acting performance using multiple sensors

Granted: November 7, 2023
Patent Number: 11810254
A system surrounds an area with a first set of display panels. A second set of display panels is positioned above the area, and a third set of display panels is positioned below the area. A subject is positioned within the area and may be on an omnidirectional treadmill within the area. A controller communicates content to the first set of display panels, the second set of display panels, and the third set of display panels that presents a multidimensional scene when displayed. A set of…

Techniques for performing data reconciliation in distributed data store systems

Granted: October 17, 2023
Patent Number: 11789926
In one embodiment, a data reconciliation engine works with data store nodes included in a distributed data store system to ensure consistency between the data store nodes. In operation, the data reconciliation receives a different data snapshot from each of the data store nodes. In response, the data reconciliation engine generates one or more recommendations designed to resolve inconsistencies between the data snapshots. The data reconciliation engine then transmits each recommendation…

Display screen with animated graphical user interface

Granted: October 10, 2023
Patent Number: D1001142

Page simulation system

Granted: October 10, 2023
Patent Number: 11782821
The disclosed computer-implemented method may include accessing updated data structures that are to be included in a user interface functionality test, where the updated data structures contribute to a user interface. The method may also include accessing live or snapshotted data captured from services running in a production environment, initiating generation of a first user interface instance using the updated data structures and using the accessed live or snapshotted data, and…

Dataset optimization framework

Granted: October 3, 2023
Patent Number: 11775515
One embodiment of the present invention sets forth a technique for optimizing data in a dataset. The technique includes determining, based on one or more attributes of a dataset, an optimization that is associated with at least one of a file encoding, a file size, and a sort column. The technique also includes identifying a plurality of candidate configurations associated with the dataset and corresponding to the optimization, and for each candidate configuration, generating a…

Techniques for determining an upper bound on visual quality over a completed streaming session

Granted: October 3, 2023
Patent Number: 11778010
In various embodiments, a hindsight application computes a hindsight metric value for evaluation of a video rate selection algorithm. The hindsight application determines a first encoding option associated with a source chunk of a media title based on a network throughput trace and a buffer trellis. The hindsight application determines that the first encoding option is associated with a buffered duration range. The buffered duration range is also associated with a second encoding option…

Banding artifact detection in images and videos

Granted: October 3, 2023
Patent Number: 11778240
A banding detection application generates a first set of pixel confidence values based on a first intensity difference value and first image scale associated with a first image, wherein each pixel confidence value included in the first set of pixel confidence values indicates a likelihood that a corresponding pixel included in the first image at the first image scale corresponds to banding in the first image. The banding detection application then generates a banding index corresponding…

Global approach to buffering media content

Granted: September 26, 2023
Patent Number: 11770565
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…

Branching logic in a playback environment

Granted: September 19, 2023
Patent Number: 11763852
The disclosed computer-implemented method may include accessing a pre-rendered multimedia item. The pre-rendered multimedia item may have branching logic associated with it, where the branching logic includes branching points that direct non-sequential playback of the pre-rendered multimedia item. The method may also include initializing playback of the pre-rendered multimedia item and accessing, at the branching points, various trigger conditions that direct playback order of different…

Server outlier detection

Granted: June 20, 2023
Patent Number: 11683234
One embodiment of the invention disclosed herein provides techniques for detecting and remediating an outlier server in a distributed computer system. A control server retrieves a group of time-series data sets associated with a first time period, where each time-series data set represents a performance metric for a different server in a group of servers. The control server generates a cluster that includes two or more of the time-series data sets, where the performance metric for each…

Attack mitigation in a packet-switched network

Granted: June 20, 2023
Patent Number: 11683339
The disclosed computer-implemented method includes applying transport protocol heuristics to selective acknowledgement (SACK) messages received at a network adapter from a network node. The transport protocol heuristics identify threshold values for operational functions that are performed when processing the SACK messages. The method further includes determining, by applying the transport protocol heuristics to the SACK messages received from the network node, that the threshold values…

Machine learning techniques for determining quality of user experience

Granted: June 20, 2023
Patent Number: 11683545
In various embodiments, a quality of experience (QoE) prediction application computes a visual quality score associated with a stream of encoded video content. The QoE prediction application also determines a rebuffering duration associated with the stream of encoded video content. Subsequently, the QoE prediction application computes an overall QoE score associated with the stream of encoded video content based on the visual quality score, the rebuffering duration, and an exponential…

Techniques for encoding a media title while constraining quality variations

Granted: June 13, 2023
Patent Number: 11677797
In various embodiments, a subsequence-based encoding application generates a convex hull of subsequence encode points based on multiple encoding points and a first subsequence included in a set of subsequences that are associated with a media title. The subsequence-based encoding application then generates a first encode list that includes multiple subsequence encode points based on the first convex hull. Notably, each subsequence encode point included in the first encode list is…

Tiered cache filling

Granted: June 13, 2023
Patent Number: 11675740
One embodiment of the present invention sets forth a technique for replicating a file within a network of servers. The technique includes determining one or more regional master servers included in a regional cluster of servers and causing each regional master server to retrieve a file from a fill source. The technique further includes, for at least one local cluster of servers included in the regional cluster of servers, determining one or more local master servers included in the at…

Techniques for detecting changes to circuit delays in telecommunications networks

Granted: May 30, 2023
Patent Number: 11665075
In various embodiments, a monitoring application assesses delays associated with a circuit within a network. The monitoring application determines a measured trip time between a first device and a second device that is connected to the first device via the circuit. The measured trip time is associated with a first variance attributable to the first device. The monitoring application performs one or more digital signal processing operations based on the measured trip time to generate a…

Automated workflows from media asset differentials

Granted: May 23, 2023
Patent Number: 11659214
The disclosed computer-implemented method may include (1) accessing a first media data object and a different, second media data object that, when played back, each render temporally sequenced content, (2) comparing first temporally sequenced content represented by the first media data object with second temporally sequenced content represented by the second media data object to identify a set of common temporal subsequences between the first media data object and the second media data…