Author

Bilibili Tech

Provides introductions and tutorials on Bilibili-related technologies.

398

Articles

Likes

1.5k

Views

Comments

Latest from Bilibili Tech

100 recent articles max

Bilibili Tech

Sep 4, 2025 · Artificial Intelligence

How AniME Automates Long‑Form Animation with a Director‑Driven Multi‑Agent AI Framework

AniME introduces a director‑driven multi‑agent system that combines a custom model‑selection protocol (MCP) with the open‑source AniSora V3 model to automatically generate consistent, high‑quality long‑form animation from story scripts, handling everything from storyboard creation to video editing and quality evaluation.

AnimationStoryboardgenerative AI

0 likes · 15 min read

How AniME Automates Long‑Form Animation with a Director‑Driven Multi‑Agent AI Framework

Bilibili Tech

Aug 26, 2025 · Fundamentals

Why TLS 1.3 Still Takes 2 RTTs: Debugging Nagle’s Algorithm and TCP Delays

The article examines why a TLS 1.3 upgrade still exhibited a two‑RTT handshake, traces the extra round‑trip to TCP’s Nagle algorithm, and shows how disabling it restores the expected one‑RTT performance while highlighting the interplay between TLS and lower‑layer protocols.

Nagle algorithmTCPTLS

0 likes · 8 min read

Why TLS 1.3 Still Takes 2 RTTs: Debugging Nagle’s Algorithm and TCP Delays

Bilibili Tech

Aug 19, 2025 · Backend Development

How Bilibili’s Third‑Gen Streaming Transcoder Cuts Latency with Smart Architecture

This article details Bilibili's third‑generation streaming transcoding system, explaining its architecture, core modules, testing strategies, quality‑assurance plans, and code examples that together dramatically reduce processing time and support millions of daily video uploads.

Backend ArchitectureBilibiliStreaming

0 likes · 16 min read

How Bilibili’s Third‑Gen Streaming Transcoder Cuts Latency with Smart Architecture

Bilibili Tech

Aug 12, 2025 · Artificial Intelligence

How AI Recreates Original Voices in Multilingual Video Dubbing

This article explains the technical challenges and innovative AI solutions behind preserving speaker identity, emotion, and timing while translating video content into multiple languages, covering speech generation modeling, speaker segmentation, adversarial reinforcement learning, proper‑noun adaptation, and audio‑visual alignment techniques.

AI voice cloningaudio-visual alignmentcross-modal translation

0 likes · 22 min read

How AI Recreates Original Voices in Multilingual Video Dubbing

Bilibili Tech

Aug 12, 2025 · Artificial Intelligence

How Bilibili Scaled AI Model Training with Alluxio Cache Acceleration

This article details Bilibili's multi-layer storage architecture and Alluxio‑based cache acceleration for large‑scale AI model training, covering challenges of high‑throughput, low‑latency file access, metadata scalability, fault tolerance, and the engineering solutions that boosted I/O performance up to ten‑fold.

AIAlluxioCaching

0 likes · 24 min read

How Bilibili Scaled AI Model Training with Alluxio Cache Acceleration

Bilibili Tech

Aug 8, 2025 · Artificial Intelligence

Can Language‑Centric Tree Reasoning Transform Video Question Answering?

This article introduces a language‑centric tree reasoning (LTR) framework that recursively decomposes VideoQA queries into perceptual sub‑questions and performs bottom‑up logical inference with video assistance, achieving significantly higher accuracy and explainability across eleven benchmark datasets.

Artificial IntelligenceMultimodal LLMTree Reasoning

0 likes · 17 min read

Can Language‑Centric Tree Reasoning Transform Video Question Answering?

Bilibili Tech

Aug 5, 2025 · Artificial Intelligence

How Bilibili’s IndexTTS2 Achieves Real‑Time, Emotion‑Rich Voice Translation

IndexTTS2 introduces a cross‑modal, multi‑language voice translation system that preserves speaker identity, acoustic space, and multi‑source timbre, while tackling challenges like voice personality loss, subtitle cognitive load, localization costs, multi‑speaker diarization, and cultural adaptation through novel time‑coding, adversarial RL, and diffusion‑based lip‑sync techniques.

adversarial reinforcement learningcross-language TTSlip sync

0 likes · 20 min read

How Bilibili’s IndexTTS2 Achieves Real‑Time, Emotion‑Rich Voice Translation

Bilibili Tech

Aug 1, 2025 · Mobile Development

Revamping a Mobile Video Editor: MVVM + UDF Architecture and Redo/Undo Design

This article details the comprehensive redesign of a mobile video‑editing page, covering background challenges, requirement analysis, MVVM + UDF architectural choices, module decomposition, dependency‑injection implementation, and the design of a robust Redo/Undo system to improve maintainability and user experience.

MVVMUDFarchitecture

0 likes · 19 min read

Bilibili Tech

Jul 25, 2025 · Big Data

How Unified Metadata Lineage Transforms Big Data Governance and Security

This article introduces the comprehensive design and evolution of a unified metadata lineage platform for big data, covering background, data processing chain, lineage models, system architecture, quality metrics, application scenarios, and future plans to enhance data governance, quality, and security.

Big DataData GovernanceData Security

0 likes · 27 min read

How Unified Metadata Lineage Transforms Big Data Governance and Security

Bilibili Tech

Jul 18, 2025 · Frontend Development

How We Built a Unified Frontend Material Platform to Replace cnpm and Boost Efficiency

This article describes the design and implementation of a new frontend material platform that consolidates npm packages, UMD scripts, and icons, introduces a custom publishing tool (bpm), integrates with Nexus3, adds unified authentication, improves search with MeiliSearch, and outlines migration, classification, and documentation strategies.

DocumentationFrontendSearch

0 likes · 27 min read

How We Built a Unified Frontend Material Platform to Replace cnpm and Boost Efficiency