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Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Dec 18, 2024 · Artificial Intelligence

Personalized Video Streaming and Playback Technology: Methods, Architecture, and Optimization

This article presents a comprehensive study of personalized short‑video streaming and playback, detailing the limitations of traditional audio‑video pipelines, introducing a decision‑theoretic framework that models user, item, and context features, and describing system components such as personalized streaming, quality scheduling, on‑demand delivery, user‑item aware encoding, and resource allocation, all validated through extensive online experiments that demonstrate significant business and performance gains.

CDN optimizationContent DeliveryVideo Encoding
0 likes · 52 min read
Personalized Video Streaming and Playback Technology: Methods, Architecture, and Optimization
Soul Technical Team
Soul Technical Team
Oct 7, 2023 · Mobile Development

Android .so Compression and Remote Loading Optimization Practices

This article details Android .so compression and remote loading techniques, covering compile‑time selection, custom Gradle tasks, runtime loading logic, size‑reduction results, bandwidth considerations, and practical flow‑control configurations to balance performance and user experience.

APK sizeAndroidCDN optimization
0 likes · 8 min read
Android .so Compression and Remote Loading Optimization Practices
Shopee Tech Team
Shopee Tech Team
Jul 20, 2023 · Cloud Native

Design and Evolution of Shopee Image Service: Architecture, Challenges, and Optimizations

Shopee’s unified Image Service consolidates upload, processing, and delivery into a single platform that overcomes legacy fragmentation and heterogeneous networks through resumable SDKs, adaptive ID schemes, link‑level and HTTP/3 transport optimizations, dynamic CDN scheduling, and device‑aware resizing, boosting upload success to 99.67 %, halving latency, cutting storage by 25 % and bandwidth by 56 % while markedly improving app performance.

CDN optimizationImage Processingbackend architecture
0 likes · 20 min read
Design and Evolution of Shopee Image Service: Architecture, Challenges, and Optimizations
Bilibili Tech
Bilibili Tech
Nov 11, 2022 · Cloud Computing

Behind the Scenes of S12: How Bilibili and Huawei Cloud Delivered a Seamless Esports Streaming Experience

The article details how Bilibili partnered with Huawei Cloud to stream the 2022 League of Legends World Championship, using real‑time super‑resolution, microservice architecture, edge computing and interactive features like heat effects and shopping carts, delivering a seamless, high‑quality, immersive esports experience for hundreds of millions of viewers.

BilibiliCDN optimizationHuawei Cloud
0 likes · 12 min read
Behind the Scenes of S12: How Bilibili and Huawei Cloud Delivered a Seamless Esports Streaming Experience
Bilibili Tech
Bilibili Tech
Nov 6, 2022 · Backend Development

Design and Implementation of Bilibili's Live P2P Streaming System Using WebRTC

Bilibili built a browser‑native live P2P streaming system that uses WebRTC data channels to exchange 60 KB‑sized HLS segment blocks via a WebSocket tracker, employs MessagePack for efficient binary messaging, and adopts a decentralized free‑market peer‑role allocation to limit uploads, dramatically cutting bandwidth while supporting massive concurrent viewers.

BilibiliCDN optimizationLive Video
0 likes · 16 min read
Design and Implementation of Bilibili's Live P2P Streaming System Using WebRTC
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