Jul 9, 2022 · Fundamentals

Common Video Experience Metrics and Laboratory Testing Methods for Real-Time Communication

This article introduces the industry‑wide video experience metrics—latency, stutter rate, frame rate, subjective quality, first‑frame time, audio‑video sync, and bandwidth tracking—and provides detailed laboratory testing procedures for each metric in real‑time communication scenarios.

Frame RateLatencybandwidth tracking

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Common Video Experience Metrics and Laboratory Testing Methods for Real-Time Communication

Kuaishou Audio & Video Technology

Sep 10, 2021 · Artificial Intelligence

How Kuaishou Boosts Short‑Video Quality with AI‑Driven Encoding and Enhancement

This article explores Kuaishou’s server‑side video pipeline, detailing why videos are re‑encoded, how AI‑based enhancement (De‑Art, SR, Deblur) and perceptual encoding techniques (CAQ, CARDO) improve subjective quality, reduce bitrate, and lower processing costs, while presenting algorithmic logic and real‑world results.

AI enhancementKuaishouencoding optimization

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How Kuaishou Boosts Short‑Video Quality with AI‑Driven Encoding and Enhancement