Video Encoding | BestHub

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

Rare Earth Juejin Tech Community

Oct 18, 2024 · Fundamentals

Fundamentals of Audio and Video Processing, Compression, and Streaming Protocols

This article provides a comprehensive overview of audio and video fundamentals, including signal conversion, PCM encoding, compression techniques, spatial audio concepts, video encoding standards such as H.264/H.265, streaming protocols, bitrate control, and practical optimization algorithms for both audio and video pipelines.

Audio ProcessingVideo Encodingcompression

0 likes · 49 min read

Fundamentals of Audio and Video Processing, Compression, and Streaming Protocols

Alibaba Cloud Infrastructure

May 24, 2024 · Cloud Computing

Exploring Arm Neoverse: Business Innovation with Yitian Arm Architecture – Insights from the Feitian Technology Salon

The Feitian Technology Salon held on May 16 in Shanghai showcased Arm Neoverse's core advantages and demonstrated how Yitian 710‑based ECS instances deliver significant cost‑effective performance gains for big‑data and video workloads through cloud‑native optimizations and software acceleration techniques.

ARMCloud ComputingPerformance Optimization

0 likes · 5 min read

Exploring Arm Neoverse: Business Innovation with Yitian Arm Architecture – Insights from the Feitian Technology Salon

Tencent Architect

Dec 4, 2023 · Operations

How AV1 Cut Bandwidth Costs by 59% for a Popular Karaoke App

The 全民K歌 app reduced video bandwidth by 59% and improved playback experience by adopting Tencent's TXAV1 encoder, achieving 60% AV1 playback share, 20% better compression than H.265, and extensive mobile device support through careful transcoding strategies and performance testing.

AV1TXAV1Video Encoding

0 likes · 11 min read

How AV1 Cut Bandwidth Costs by 59% for a Popular Karaoke App

DaTaobao Tech

Nov 27, 2023 · Artificial Intelligence

Taobao Audio‑Video Technology for High‑Quality Live Streaming and Video Processing

Taobao’s audio‑video technology team delivers end‑to‑end high‑definition live‑stream and short‑video solutions—including AI‑enhanced editing, a three‑stage processing pipeline with proprietary S265/S266 codecs, sub‑second GRTN transmission, advanced player features, real‑time audio enhancement, and state‑of‑the‑art AI quality assessment—while earning awards and guiding future mobile VVC optimization.

AIAudio-VideoLive Streaming

0 likes · 23 min read

Taobao Audio‑Video Technology for High‑Quality Live Streaming and Video Processing

Bilibili Tech

Nov 21, 2023 · Frontend Development

AV1 Video Encoding Standard and BILIAV1 Self-Developed Encoder

AV1, an open royalty‑free video codec finalized in 2018, delivers roughly 20 % lower bitrate than H.265 and is supported by major players and hardware, while Bilibili’s self‑developed BILIAV1 encoder, built from scratch, beats SVT‑AV1 by 15‑20 % bitrate at equal speed through advanced TRACE debugging, parallel processing and optimized algorithms, with future work targeting P2P and live‑streaming applications.

AV1BILIAV1Encoder Development

0 likes · 13 min read

AV1 Video Encoding Standard and BILIAV1 Self-Developed Encoder

Tencent Architect

Aug 21, 2023 · Fundamentals

How Tencent Cloud’s V265/TXAV1 Revolutionizes 8K Live Streaming

This article details Tencent Cloud's V265/TXAV1 live streaming solution, covering its high‑efficiency 8K and low‑latency capabilities, performance gains over X265, MV‑HEVC 3D compression, extensive engineering and algorithmic optimizations, and the resulting speed‑up and quality improvements for ultra‑high‑definition live broadcasts.

8KLive StreamingTXAV1

0 likes · 18 min read

How Tencent Cloud’s V265/TXAV1 Revolutionizes 8K Live Streaming

Tencent Cloud Developer

Aug 2, 2023 · Fundamentals

MV-HEVC and Its Application in 3D Video Encoding for Apple Vision Pro

Apple Vision Pro supports MV‑HEVC, a multi‑view extension of HEVC that reduces inter‑view redundancy, enabling efficient 3D video encoding; Tencent’s V265 encoder implements it, achieving over 50 % bitrate savings for the secondary view and roughly 20 % overall bandwidth reduction while preserving visual quality.

3D videoApple Vision ProMV-HEVC

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MV-HEVC and Its Application in 3D Video Encoding for Apple Vision Pro

Bilibili Tech

Aug 2, 2023 · Fundamentals

BILIVVC Secures Third Place in 2022 MSU Encoder Competition (1080p 1fps & 5fps)

Bilibili’s self‑developed VVC encoder, BILIVVC, earned third place in both the 1080p 1 fps and 5 fps tracks of the 2022 MSU Encoder Competition by leveraging extensive VVC‑tool optimizations, fast‑algorithm cooperation, adaptive pre‑analysis and efficient implementation that deliver high quality YUV‑SSIM performance despite its small‑team, one‑year development.

BILIVVCMSU Encoder CompetitionVVC

0 likes · 7 min read

BILIVVC Secures Third Place in 2022 MSU Encoder Competition (1080p 1fps & 5fps)

Tencent Architect

Jul 27, 2023 · Fundamentals

Understanding MV-HEVC: Advances in 3D Video Encoding and V265 Support for Apple Vision Pro

This article explains the fundamentals of 3D video imaging, compares traditional 3D encoding methods with the MV-HEVC standard, and details how Tencent's V265 encoder implements MV-HEVC to achieve significant bitrate savings for Apple Vision Pro and other multiview applications.

3D videoApple Vision ProMV-HEVC

0 likes · 10 min read

Understanding MV-HEVC: Advances in 3D Video Encoding and V265 Support for Apple Vision Pro

Bilibili Tech

Jan 3, 2023 · Artificial Intelligence

Two‑Pass Deep Learning Bitrate Factor Prediction for Constant‑Quality Segment Encoding in Bilibili Narrow‑Band HD Transcoding

Bilibili’s IEEE‑VCIP‑2022‑accepted two‑pass deep‑learning bitrate‑factor predictor achieves 98.8% accuracy with only 1.55 encoding passes, enabling constant‑quality segment encoding that reduces bitrate consumption by over 15% while maintaining visual quality in its narrow‑band HD transcoding pipeline.

AIBitrate OptimizationVideo Encoding

0 likes · 6 min read

Two‑Pass Deep Learning Bitrate Factor Prediction for Constant‑Quality Segment Encoding in Bilibili Narrow‑Band HD Transcoding

Tencent Architect

Aug 26, 2022 · Fundamentals

How Tencent’s TXAV1 Encoder Achieves 20% Bandwidth Savings and Industry‑Leading Quality

This article details Tencent Cloud's self‑developed TXAV1 AV1 encoder, covering its evolution from V265, performance gains over competing codecs, compression‑rate improvements through pre‑analysis models, engineering acceleration techniques, and real‑world deployment in live streaming, video‑on‑demand, and AVIF image services.

AV1Cloud MediaCodec Optimization

0 likes · 15 min read

How Tencent’s TXAV1 Encoder Achieves 20% Bandwidth Savings and Industry‑Leading Quality

Baidu Geek Talk

Jun 9, 2022 · Fundamentals

H.265 Video Encoding Principles and Technical Framework

The article explains H.265 (HEVC) encoding fundamentals, describing its two‑layer VCL/NAL architecture, quad‑tree CTU hierarchy, intra‑ and inter‑frame prediction, DCT/DST transform coding, quantization, CABAC entropy coding, and loop‑filtering techniques that together achieve roughly 50 % bitrate reduction while preserving quality.

H.265HEVCVideo Encoding

0 likes · 17 min read

H.265 Video Encoding Principles and Technical Framework

High Availability Architecture

Apr 22, 2022 · Artificial Intelligence

BIGO RTC: High‑Quality, Low‑Cost Real‑Time Communication through Core Operators and Scene Adaptation

The article explains how BIGO RTC achieves high‑quality, low‑cost real‑time audio‑video communication by optimizing core video operators such as HEVC encoding, AI‑driven super‑resolution and HDR, and by employing scene‑adaptive techniques like device performance tuning, content‑adaptive encoding and AI‑based pre‑processing to meet diverse latency constraints.

AI AdaptationHDRHigh Quality

0 likes · 9 min read

BIGO RTC: High‑Quality, Low‑Cost Real‑Time Communication through Core Operators and Scene Adaptation

Bilibili Tech

Apr 19, 2022 · Fundamentals

Understanding Video Compression: Factors That Influence Bitrate and Encoding Strategies

Video bitrate depends on content complexity, resolution, frame rate, and the chosen codec and bitrate‑control method, with modern encoders like HEVC and AV1 using advanced prediction, transform, quantization and entropy coding to dramatically reduce size while preserving perceived quality for smoother streaming.

AV1BilibiliHEVC

0 likes · 21 min read

Understanding Video Compression: Factors That Influence Bitrate and Encoding Strategies

Kuaishou Large Model

Jan 7, 2022 · Mobile Development

How to Cut Mobile Texture Memory by 75% with Macro‑Block Compression

This article presents a macro‑block based texture compression technique that removes hollow (alpha‑zero) regions from textures, dramatically reduces memory usage on mobile devices, and restores the original visual quality during rendering, even after video encoding.

Memory OptimizationOpenGLVideo Encoding

0 likes · 11 min read

How to Cut Mobile Texture Memory by 75% with Macro‑Block Compression

New Oriental Technology

May 31, 2021 · Fundamentals

Live Streaming Network Transmission: Protocols, Encoding, Decoding, and Synchronization

This article explains the end‑to‑end live‑streaming workflow, covering how a broadcaster pushes video and audio to a server, the various streaming protocols (RTMP, HTTP‑FLV, HLS, RTP), encoding formats, FFmpeg‑based decoding, hardware vs software decoding, and audio‑video synchronization techniques.

FFmpegLive StreamingStreaming

0 likes · 26 min read

Live Streaming Network Transmission: Protocols, Encoding, Decoding, and Synchronization

New Oriental Technology

May 24, 2021 · Fundamentals

Understanding Digital Image Acquisition, Color Spaces, and Video Encoding Basics

This article explains how digital images are captured as pixel arrays, describes the physiological basis of color perception, compares RGB and YUV color spaces, and introduces video compression concepts such as spatial and temporal redundancy, frame types, and common encoding formats.

Color spaceRGBVideo Encoding

0 likes · 21 min read

Understanding Digital Image Acquisition, Color Spaces, and Video Encoding Basics

Tencent Cloud Developer

Nov 18, 2020 · Backend Development

Advanced Video Encoding Techniques in Tencent Meeting: Temporal SVC, ROI‑Based Encoding, Screen Content Coding, and YUV444 Support

Tencent Meeting enhances real-time video quality and bandwidth efficiency by using temporal scalable video coding to protect against packet loss, ROI-based encoding that prioritizes faces, screen-content coding with intra-block copy and palette modes, YUV444 chroma support for accurate colors, and highly optimized proprietary H.264/H.265 encoders that deliver up to 84% compression improvement.

ROI encodingScreen Content CodingVideo Encoding

0 likes · 11 min read

Advanced Video Encoding Techniques in Tencent Meeting: Temporal SVC, ROI‑Based Encoding, Screen Content Coding, and YUV444 Support

Liulishuo Tech Team

Jul 29, 2020 · Backend Development

Understanding AI Live Streaming: Architecture, Protocols, and Practical Implementation

This article explains the AI live‑streaming architecture used by Liulishuo, covering the basic workflow of push, server, and pull, video/audio encoding and container formats, streaming protocols such as RTMP, HLS and HTTP‑FLV, SEI integration, and provides a step‑by‑step demo using nginx‑rtmp and FFmpeg.

FFmpegLive StreamingNginx

0 likes · 11 min read

Understanding AI Live Streaming: Architecture, Protocols, and Practical Implementation