Constant-slope bitrate allocation for distributed encoding
Granted: January 28, 2020
Patent Number:
10547856
A bitrate allocation engine allocates bitrates for distributed encoding of source data. Upon receiving a chunk of source data, the bitrate allocation engine generates a curve based on multiple points that each specify a different visual quality level and corresponding encoding bitrate for encoding the chunk. Subsequently, the bitrate allocation engine computes an optimized encoding bitrate based on the generated curve and an optimization factor that is associated with different visual…
Managing content on an ISP cache
Granted: January 14, 2020
Patent Number:
10536498
One embodiment of the present invention sets forth a method for updating content stored in a cache residing at an internet service provider (ISP) location that includes receiving popularity data associated with a first plurality of content assets, where the popularity data indicate the popularity of each content asset in the first plurality of content assets across a user base that spans multiple geographic regions, generating a manifest that includes a second plurality of content assets…
Multi-CDN digital content streaming
Granted: December 31, 2019
Patent Number:
10523732
Techniques for transmitting a digital content stream through a network between a plurality of content servers and a content player. Network performance information for the plurality of content servers is retrieved. Embodiments then determine a mapping of the plurality of content servers to a plurality of portions of a content buffer on the content player, based on the retrieved network performance information. A request is transmitted to each of the plurality of content servers to…
Network security system with remediation based on value of attacked assets
Granted: December 17, 2019
Patent Number:
10511623
A data processing method comprising obtaining a plurality of computer network security threat feeds from two or more computer threat detection systems; based upon computer network attack information in the computer network security threat feeds, determining a threat score that represents a severity of an actual or suspected attack on a particular host in a computer network; obtaining an asset value for the particular host that indicates a worth of the particular host, and updating the…
Packet loss tolerant transmission control protocol congestion control
Granted: December 3, 2019
Patent Number:
10498661
During a Transmission Control Protocol (“TCP”) session, a sending endpoint computer monitors amounts of data sent and patterns of data loss as data is sent to a receiving endpoint computer. The sending endpoint computer periodically determines whether data is being sent below, at or above path capacity, based on the monitored amounts of data sent and patterns of data loss observed. The sending endpoint computer periodically dynamically adjusts the rate at which data is sent to the…
Adaptive metric collection, storage, and alert thresholds
Granted: December 3, 2019
Patent Number:
10498628
Techniques for adaptive metric collection, metric storage, and alert thresholds are described. In an approach, a metric collector computer processes metrics as a collection of key/value pairs. The key/value pairs represent the dimensionality of the metrics and allows for semantic queries on the metrics based on keys. In an approach, a storage controller computer maintains a storage system with multiple storage tiers ranked by speed of access. The storage computer stores policy data that…
Systems and methods for encryption key management
Granted: December 3, 2019
Patent Number:
10498543
A certificate orchestration system for digital certificate and encryption key management is provided herein along with associated methods. The system includes a certificate orchestration server having a processing device in communication with a coupled storage system that is coupled to the certificate orchestration server. The system further includes an interface provided by the certificate orchestration server to a client device; and a database to store digital certificates and keys.…
Software dependency shading
Granted: November 26, 2019
Patent Number:
10489150
In one embodiment of the present invention, a shading engine enables multiple versions of dependencies to coexist in an executable software application. During the software build process, the shading engine dynamically renames transitive dependencies of the software application to disambiguated names. The shading engine performs this renaming at both the library and class level. Notably, the shading engine does not rename the first-order dependencies of the software application.…
Relationship-based search and recommendations via authenticated negatives
Granted: November 19, 2019
Patent Number:
10482519
One embodiment of the present invention sets forth techniques for generating recommendation sets for a first client device. A recommendation system receives, from the first client device, a first selection of a first recommended item included in a plurality of recommended items. The recommendation system identifies a second recommended item included in the plurality of recommended items that has not been selected. The recommendation system retrieves an authenticated negative item from a…
On-device multiplexing of streaming media content
Granted: November 19, 2019
Patent Number:
10484694
Techniques are disclosed for multiplexing a dynamic bit-rate video stream with an audio stream received by a client device in a manner that allows the resulting multiplexed stream to be played back without disruption, despite dynamic changes in the bit rate of the video stream that may occur. A content server may stream both a video stream and an audio stream to a client device for playback. The client device may multiplex the video and audio streams prior to them being presented to a…
Stratified sampling applied to A/B tests
Granted: November 19, 2019
Patent Number:
10482477
Embodiments provide techniques for testing a plurality of variations of a user experience, where each of the plurality of variations is distinct from other variations in the plurality of variations. For each permutation of a plurality of stratification factors that characterize users of the online site, embodiments generate a respective set of pseudorandom numbers. Additionally, user requests are assigned to variations in the plurality of variations, based on the generated sets of…
Techniques for predicting perceptual video quality
Granted: November 12, 2019
Patent Number:
10475172
In one embodiment of the present invention, a quality trainer and quality calculator collaborate to establish a consistent perceptual quality metric via machine learning. In a training phase, the quality trainer leverages machine intelligence techniques to create a perceptual quality model that combines objective metrics to optimally track a subjective metric assigned during viewings of training videos. Subsequently, the quality calculator applies the perceptual quality model to values…
Identifying similar items based on global interaction history
Granted: November 12, 2019
Patent Number:
10475050
One embodiment sets forth technique for computing a similarity score between two digital items is computed based on interaction histories associated with global users and interaction histories associated with local users. Global counts indicating the number of interactions associated with each unique pair of digital items are weighted based on a mixing rate. The weighted global counts are then combined with local counts to compute total counts. An effective interaction probability…
Detecting segments of a video program through image comparisons
Granted: October 22, 2019
Patent Number:
10452919
In an embodiment, a data store storing a first image and a second image; a computer processor coupled to the data store and programmed to: generate a first fingerprint of the first image based on a first plurality of pixels from the first image stored in the data store; generate a second fingerprint of the second image based on a second plurality of pixels from the second image stored in the data store; determine a closeness value between the first fingerprint and the second fingerprint;…
Techniques for predicting perceptual video quality
Granted: October 8, 2019
Patent Number:
10438335
In one embodiment of the present invention, a quality trainer and quality calculator collaborate to establish a consistent perceptual quality metric via machine learning. In a training phase, the quality trainer leverages machine intelligence techniques to create a perceptual quality model that combines objective metrics to optimally track a subjective metric assigned during viewings of training videos. Subsequently, the quality calculator applies the perceptual quality model to values…
Feature generation for online/offline machine learning
Granted: October 1, 2019
Patent Number:
10432689
A system for utilizing models derived from offline historical data in online applications is provided. The system includes a processor and a memory storing machine-readable instructions for determining a set of contexts of the usage data, and for each of the contexts within the set of contexts, collecting service data from services supporting the media service and storing that service data in a database. The system performing an offline testing process by fetching service data for a…
Temporal placement of a rebuffering event
Granted: September 24, 2019
Patent Number:
10425683
A method includes receiving, with a computing system, data representing a video item into a buffer. The method further includes outputting the video item from the buffer to a display system. The method further includes determining that utilization of the buffer falls below a predetermined threshold. The method further includes, in response to determining that the utilization of the buffer falls below the predetermined threshold, determining that there is a specified rebuffering point…
Web server constraint support
Granted: September 24, 2019
Patent Number:
10425500
Techniques are disclosed for a web server to support constraints specified by a client. In one embodiment, the web server receives, from the client, a request for one or more blocks of data. The request includes one or more constraints provided by the client. The web server may perform an action responsive to an increase in network congestion, based on the one or more constraints. Accordingly, the web server may handle the request in a manner that more closely meets the needs of the…
Modifying subtitles to reflect changes to audiovisual programs
Granted: September 17, 2019
Patent Number:
10419828
In various embodiments, a subtitle conformance application causes modifications to a subtitle list based on changes associated with an audiovisual program. In operation, the subtitle conformance application performs comparison operation(s) between versions of a subtitle template to identify changes to subtitles associated with the audiovisual program. The subtitle conformance application then determines a mapping between a first change included in the changes and a subtitle list…
Online techniques for parameter mean and variance estimation in dynamic regression models
Granted: September 3, 2019
Patent Number:
10404566
A system of assessing deployments in a network-based media system is provided herein. The system include a data storage system storing observation vectors, each observation vector being associated with an outcome indicator, and a processing device in communication with the data storage system to receive and store observation vectors and associated outcome indicators. The processing device performs operations including communicating with an endpoint device of a user to obtain information…
