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编码/转码 > 列

Encoding and transcoding video is at the heart of online video, and 流媒体 offers deep dives into encoding parameters, 比特率梯子, 每部编码, 内容/上下文感知编码, CBR, 研究设计, 和上. 在这里你可以找到最新的消息, 评论, 测试, and analysis to help you stay on the top of your encoding/transcoding game.

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最环保的编解码器:LCEVC

There's no doubt that LCEVC is a more efficient codec. But is it really going to make much of a difference in energy savings compared to other sustainability solutions?

YouTube如何编码视频

Looking for insights into exactly how YouTube encodes billions of videos? Jan Ozer went down the rabbit hole and shares what he discovered about AV1, VP9, and resolutions.

Judging Apple's Advanced 视频质量 Tool

作为一个度规, Apple's Advanced 视频质量 Tool (AVQT) showed some bright spots, but it's hard to see it bumping VMAF or SSIMPLUS from real-world workflows without a lot more verification.

未来是实时的,它从现在开始

Where and how does "real time" fit into your workflows in this "COVID and beyond" era? Similar to global wars accelerating advan­ces in medicine such as plastic surgery, COVID has pushed all of us working in streaming media to rethink, 创新, 优化, and rebuild many components of our day-to-day responsibilities. 

SVT-AV1向何处去

The Alliance for Open Media has gone all-in on SVT-AV1, but real-world 测试 show that Scalable Video Technology codecs don't live up to their promise when it comes to performance.

Defend Your Video Encoding Choices with Data

If you're charged with configuring your encoding ladder, there are a few datapoints you should have nailed. The most important is the VMAF score of the top rung of your encoding ladder.

In 搜索 of Better Encoding Quality for WebRTC

Suffice it to say that Web­RTC is finally out of kindergarten and moving into the elementary grades. 到底是哪个等级? 好吧, that likely depends on which web browser you're using and which server technology or platform your Web­RTC implementation uses.

编解码器发展新规则

The game has changed for new codecs entering the market.

是时候让PSNR退休了

Peak signal-to-noise ratio is poor predictor of subjective video quality. So why are PSNR comparisons used in almost all codec comparisons?

4 Keys to Evaluating Cloud Transcoding Options

Here are the four differentiating factors to focus on when assessing cloud transcoding solutions

When it Comes to Bitrates, Less is Always 更多的

What can streaming producers do in the short-term to reduce the load during these COVID-19-related bandwidth usage spikes?

冰上学校通告(石膏)

Some schools are moving to newscast-style video announcements. Icecast offers an effective way to deliver them efficiently and effectively.

When it Comes to 视频质量 Measurements, Average Won't Cut It

平均分数可能具有欺骗性, so be sure you're using a tool that gives you a more accurate assessment of your video quality

The Quiet Conference: At IBC 2019, No 新闻 Was Good 新闻

Some years are revolutionary, some are evolutionary, and some are just "meh." Here's why those "meh" years are the best ones for the industry.

Announcing the Swift Death of Per-Title Encoding, 2015-2019

一次革命, pre-title encoding was replaced by shot-based encoding and then context aware encoding. Here's how to evaluate vendors when choosing a solution.

Solutions Abound for High-Volume Live Video Cloud Transcoding

流媒体 West provided a look at new options for demanding live cloud transcoding jobs. Here's a rundown for those who couldn't be there.

Creating a Recipe for Codec Success to Please All Palates

Looking back and the successes and misfires of H.264, HEVC, and VP9 show what the industry can expect from AV1 and VVC.

New Codecs Are Coming; Here's How to Evaluate Codec Evaluations

When comparing the video quality created by different codecs, consider the companies running the comparisons and the metrics they're offering.

开始测试的时间:FFmpeg第4轮.0和增加AV1支持

AV1 delivers equivalent quality to HEVC, but with a lower data rate. 但就目前而言,进展缓慢. A five-second clip took 23 hours and 46 minutes to encode.

Can AI Make the Streaming Video Experience Even Better Than TV?

Look for artificial intelligence and machine learning to improve content delivery, 视频压缩, 以及观众个性化, 加强整个工作流程.