BestHub
Sign in
Tagged articles
9 articles
Page 1 of 1
Kuaishou Tech
Kuaishou Tech
Sep 4, 2025 · Fundamentals

How LingXi Achieves User‑Level QoE Optimization in Large‑Scale Adaptive Video Streaming

The paper “Towards User‑level QoE: Large‑scale Personalized Optimization of Adaptive Video Streaming” introduces LingXi, the first production‑grade system that deploys per‑user Bayesian optimization and Monte‑Carlo simulation to reduce video stalls and boost both QoE and QoS across millions of viewers, with especially strong gains for low‑bandwidth users.

Monte Carlo simulationQoE optimizationadaptive streaming
0 likes · 15 min read
How LingXi Achieves User‑Level QoE Optimization in Large‑Scale Adaptive Video Streaming
Kuaishou Audio & Video Technology
Kuaishou Audio & Video Technology
Sep 4, 2025 · Fundamentals

How LingXi Revolutionizes User‑Level QoE with Scalable Adaptive Video Streaming

A joint Kuaishou‑Tsinghua study presented at ACM SIGCOMM 2025 introduces LingXi, the first large‑scale production system that personalizes adaptive video streaming by targeting stall events, using online Bayesian optimization, Monte Carlo simulation, and a hybrid exit‑rate predictor to achieve significant QoE and QoS gains across millions of users.

Monte Carlo simulationQoE optimizationSIGCOMM 2025
0 likes · 14 min read
How LingXi Revolutionizes User‑Level QoE with Scalable Adaptive Video Streaming
Tencent Music Tech Team
Tencent Music Tech Team
Oct 18, 2023 · Mobile Development

Adaptive Stream Switching and Multi‑Track Selection in ExoPlayer

ExoPlayer enables both MergingMediaSource‑based multi‑track merging and adaptive streaming (DASH, HLS, smoothing‑stream), letting developers choose between low‑cost CDN merging or bandwidth‑driven track switching, with detailed components, manifest parsing, bandwidth‑meter customization, and decoder reuse to ensure smooth bitrate changes.

AndroidBandwidth MeterExoPlayer
0 likes · 30 min read
Adaptive Stream Switching and Multi‑Track Selection in ExoPlayer
Hulu Beijing
Hulu Beijing
Nov 4, 2022 · Fundamentals

How HLS Powers Adaptive Streaming on Hulu & Disney+: A Deep Dive

This article explains the fundamentals of Apple's HTTP Live Streaming (HLS) protocol, covering how adaptive bitrate video is encoded into multiple renditions, organized via media and multivariant playlists, and how clients and servers coordinate playback in both on‑demand and live streaming scenarios.

Video Streamingadaptive streaminghls
0 likes · 21 min read
How HLS Powers Adaptive Streaming on Hulu & Disney+: A Deep Dive
Youku Technology
Youku Technology
Sep 21, 2020 · Backend Development

Youku Playback Center Technical Solutions: Adaptive Bitrate Streaming, Data‑Driven Optimization, Protocol Enhancements, Device Capability Management, and Playback Enhancement

Youku’s Playback Center tackles common video issues by combining real‑time data‑driven tuning, adaptive‑bitrate streaming, QUIC‑based transport optimization, device‑specific capability management, and post‑decoding enhancements, all supported by a tiered CDN and multi‑layer metric system that together ensure smooth, high‑quality playback across diverse networks and devices.

CDN optimizationQUICadaptive streaming
0 likes · 9 min read
Youku Playback Center Technical Solutions: Adaptive Bitrate Streaming, Data‑Driven Optimization, Protocol Enhancements, Device Capability Management, and Playback Enhancement
Youku Technology
Youku Technology
Aug 26, 2019 · Artificial Intelligence

Technical Deep Dive of Adaptive Streaming for “The Longest Day in Chang'an”: AI, Big Data, and QoE Optimization

Alibaba Entertainment’s technical deep‑dive reveals how its Smart Bitrate system leverages big‑data analytics, AI‑driven machine‑learning (including MPC and the Pensieve model) to dynamically select 5‑10‑second video segments, optimizing QoE by balancing high‑definition playback and buffering, achieving 5‑10% more HD viewing and 10‑20% fewer stalls for “The Longest Day in Chang’an.”

AIMPCQoE
0 likes · 10 min read
Technical Deep Dive of Adaptive Streaming for “The Longest Day in Chang'an”: AI, Big Data, and QoE Optimization
Hulu Beijing
Hulu Beijing
Apr 18, 2019 · Artificial Intelligence

How Deep Reinforcement Learning Optimizes DASH/HLS Bitrate Adaptation

This article examines the challenges of adaptive bitrate selection in DASH and HLS streaming, compares traditional MPC and buffer‑based methods, and explains how deep reinforcement learning, specifically the Pensieve A3C model, addresses QoE optimization under uncertain network conditions.

DASHMPCQoE
0 likes · 8 min read
How Deep Reinforcement Learning Optimizes DASH/HLS Bitrate Adaptation