Meta’s family of apps serves trillions of image download requests every day. And if you’re into high-quality images, you’ve probably noticed that Instagram and Threads have added support for high dynamic range (HDR) photos. Now people on Threads and Instagram can upload and share images that are more true-to-life, with the full color and range [...]
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The post Bringing HDR photo support to Instagram and Threads appeared first on Engineering at Meta.

Bringing HDR photo support to Instagram and Threads

Bandwidth estimation (BWE) and congestion control play an important role in delivering high-quality real-time communication (RTC) across Meta’s family of apps. We’ve adopted a machine learning (ML)-based approach that allows us to solve networking problems holistically across cross-layers such as BWE, network resiliency, and transport. We’re sharing our experiment results from this approach, some of [...]
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The post Optimizing RTC bandwidth estimation with machine learning appeared first on Engineering at Meta.

Optimizing RTC bandwidth estimation with machine learning

At Meta, we support real-time communication (RTC) for billions of people through our apps, including Messenger, Instagram, and WhatsApp. We’ve seen significant benefits by adopting the AV1 codec for RTC. Here’s how we are improving the RTC video quality for our apps with tools like the AV1 codec, the challenges we face, and how we [...]
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The post Better video for mobile RTC with AV1 and HD appeared first on Engineering at Meta.

Better video for mobile RTC with AV1 and HD

Meta has made it possible for people to upload high dynamic range (HDR) videos from their phone’s camera roll to Reels on Facebook and Instagram. To show standard dynamic range (SDR) UI elements and overlays legibly on top of HDR video, we render them at a brightness level comparable to the video itself. We solved [...]
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The post Bringing HDR video to Reels appeared first on Engineering at Meta.

Bringing HDR video to Reels

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The post MSVP is Meta’s first video processing ASIC appeared first on Engineering at Meta.

MSVP is Meta’s first video processing ASIC

We’re sharing how Meta delivers high-quality audio at scale with the xHE-AAC audio codec. xHE-AAC has already been deployed on Facebook and Instagram to provide enhanced audio for features like Reels and Stories.  At Meta, we serve every media use case imaginable for billions of people across the world — from short-form, user-generated content, such [...]
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The post Why xHE-AAC is being embraced at Meta appeared first on Engineering at Meta.

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