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Our Macs are getting slimmer all the time, but the photo and video files we pack them with aren't on the same diet. Well, until iOS 11 and macOS High Sierra debut, that is. Both new operating systems will support two codecs designed to double the amount of compression that can be applied without losing quality.
Here's what you need to know about HEVC and HEIF and how they work in High Sierra.
What are HEIF and HEVC?
HEVC stands for High Efficiency Video Codec, and HEIF is High Efficiency Image Format. HEIF works as a still image container for the HEVC codec, which is the successor to H.264. In fact, HEVC's other name is H.265, but Apple is going with HEVC.
What does HEVC do better than H.264?
HEVC is designed to save space and bandwidth, which will be more and more important as more 4K and HDR video becomes available to stream. Apple says the standard can compress 4K video files to 40% of the size without losing quality, which will let iOS 11 and High Sierra users store more of their own videos before running out of drive space. Alternatively, you can keep an HEVC video file about the same size while doubling the amount of data, which will decrease the bandwidth needed to move 4K and HDR video around.
What about HEIF? What's its benefit?
HEIF has an added benefit too: It can store groups of images as a single file. This is especially handy for things like burst photos or keeping an edited image and the original in the same file. It's also a natural fit for Live Photos (including the new Live Photo options debuting in iOS 11), which act as one photo in your library, even though they contain multitudes.
MacOS high Sierra Wallpaper. The default MacOS High Sierra wallpaper is a beautiful autumn scene of a lakeside. It features mountains frosted with light snow. You can use the default MacOS High Sierra background on your mac, windows computer android, iPhone, iPad,. 4K iPhone PUBG 4K Joker 4K Ultra HD HD Phone 4K iPad 4K Marvel XXXTentacion BTS 4K HD. 3840x2160 Wallpaper mountains, macos, 4k, 5k, sierra, sky, android wallpaper' Download. 2880x900 Apple Mac OS X High Sierra 4K HD Desktop Wallpaper For 4K Ultra Avec' Download.
Remember, Apple's computational photography approach in iOS means the camera is capturing multiple frames every time you press the shutter, then combining those for a better-looking result. Tricks like long exposure effect in iOS 11's Live Photos and the iPhone 7 Plus' Portrait Mode work the same way. HEIF containers can keep all that data wrapped up, fully intact, to send back to your Mac running High Sierra for more editing.
Jul 21, 2017 Well, until iOS 11 and macOS High Sierra debut, that is. Both new operating systems will support two codecs designed to double the amount of compression that can be applied without losing quality. Here's what you need to know about HEVC and HEIF and how they work in High Sierra. 2048x1536 Download The macOS High Sierra Wallpaper For iPhone, iPad And Mac. 2767x1556 iOS 11, macOS High Sierra, iMac Pro wallpapers from WWDC 2017. IPhone And Non-Apple Smartphones Size: 2198 x 3190 pixels, 2.54 MB. Download: Tap the thumbnail available nearby to load the full-screen macOS High Sierra wallpaper on your iPhone. Next, touch and hold until the “Save Image” menu slides in. Tap it and the. Jun 19, 2016 Wallpaper Weekends is a series that works to bring you stunning, high quality wallpapers for your iPad, iPhone, iPod touch, Mac, and Apple Watch. This week’s “Sierra” wallpaper collection was first posted online by iDownloadBlog’s Jim Gresham. IDownloadBlog is a very informative Apple centric website, and we highly suggest checking them out sometime.
Are these replacing H.264 and JPEG?
No, not yet. They're the next generation of those standards, but when you export a video to post to YouTube, it's going to be H.264. If you email a friend a photo, it's going to be a JPEG. Right now these are under-the-hood improvements that shouldn't break compatibility or cause formatting headaches for end users. You'll use your devices and apps in the same way you always have.
Will HEVC video look better?
If you compare an HEVC and a H.264 video side by side, yes it should. AppleInsider recently transcoded a movie trailer with H.264 and H.265 encoders in HandBrake and found the HEVC (or H.265) video had fewer compression artifacts and smoother movement. HEVC compensates better for faster motion, for example, which should be especially welcome news to fans of action films and sports, once more content starts streaming in that format.
Will every device with iOS 11 capture photos and videos in this format? And that's how they're stored on the Mac?
Not all the devices. To capture HEIF and HEVC files, you'll need an iOS 11 device with an A10 Fusion chip or better: iPhone 7, iPhone 7 Plus, 10.5-inch iPad Pro, or 12.9-inch iPad Pro from 2017. All Macs running High Sierra can encode and decode those files, so when you transfer them to your Mac, they'll stay in the same format until you decide to export them as something else.
Redmond Pie has a full rundown of the hardware requirements for HEVC and HEIF support in iOS 11 and High Sierra. It's definitely worth a look if you have older hardware. But at the end of the day, these are under-the-hood format changes that shouldn't directly impact your workflow.
I heard newer Macs have an advantage with HEVC?
You heard right. Newer Macs, including the late 2015 27-inch 5K iMac, the 2017 21-inch iMac, and MacBooks and MacBook Pros from 2016 and 2017, will support hardware acceleration for coding and decoding HEVC video. The Kaby Lake chips in the 2017 laptops also support HEVC decoding. Hardware acceleration means faster encoding times in pro apps like Final Cut and Motion, and longer battery life when you're playing back HEVC video.
Older Macs running High Sierra will still be able to play back HEVC video, but the process is a little hardware intensive,
Could HEVC help 4K video come to the iTunes Store and Apple TV?
That's very likely the roadmap. Right now, the iTunes Store and the Apple TV max out at 1080p content, but when Apple does make the jump to 4K, HEVC will reduce the bandwidth needed to move those files around.
Apple isn't super late to this party just yet. Right now, Netflix and Amazon have some 4K and HDR content available to stream, but you're usually stuck using the built-in Netflix app on a 4K smart TV. Amazon's Fire TV set-top box supports 4K videos over Amazon Prime Video, if it's connected to a 4K TV.
Tim Cook did hint at more Apple TV news coming later this year, so maybe a new Apple TV box is in the works. Now that Apple's dabbling in its own TV shows, that would be a natural place to start. After all, Netflix and Amazon's original series make up the bulk of their own 4K offerings.
Will third-party image and video editors support HEVC and HEIF?
It's not an open-source standard, so software makers woud have to license the patents to use the codec. H.264 worked the same way, but right now HEVC is more expensive. Of course, Apple tends to drive adoption, as it did with H.264.
Settling on a 4K codec isn't so easy. Google currently uses V9 for 4K video on YouTube, but Apple's Safari browser doesn't support V9. The Alliance for Open Media is working on a codec called AV1 which should be out by the end of this year, but Apple hasn't yet committed to natively supporting that either.
More questions?
The High Sierra betas don't fully support HEVC and HEIF just yet, so the picture is still coming together. If you have more questions, let us know in the comments.
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Every major version of Mac OS X macOS has come with a new default wallpaper. As you can see, I have collected them all here.
While great in their day, the early wallpapers are now quite small in the world of 5K displays.
Major props to the world-class designer who does all the art of Relay FM, the mysterious @forgottentowel, for upscaling some of these for modern screens.
If you want to see detailed screenshots of every release of OS X, click here.
10.0 Cheetah & 10.1 Puma
The first two releases of Mac OS X shared the same wallpaper. The sweeping blue arcs and curves helped set the tone of the new Aqua interface.
10.2 Jaguar
Jaguar took the same Aqua-inspired theme but added some depth and motion to things. In my head, the trails streaking across the screen were from a set of comets.
Wallpaper For Ipad
10.3 Panther
Macos High Sierra Wallpaper For Iphone 6
While Panther inflicted Macs everywhere with Brushed Metal, its wallpaper stayed on brand, refreshing the original 10.0 image.
10.4 Tiger
Many consider Tiger to be the best “classic” version of Mac OS X. While that may or may not be true, it has my favorite Aqua-inspired wallpaper.
10.5 Leopard
Complete with a revised, unified user interface and shiny new Dock, 10.5 broke the Aqua mold. As such, Leopard was the first version of OS X to break from the Aqua-themed wallpaper. It ushered in the “space era” of OS X wallpapers, which was used heavily in the new Time Machine interface as well.
10.6 Snow Leopard
The “no new features” mantra for Snow Leopard didn’t ban a new wallpaper, thankfully. This starscape is still one of my favorites.
10.7 Lion
Lion kept up the space theme, this time showing off the Andromeda galaxy. The space nerd in me likes the idea, but the execution of this one leaves dead-last on my list of favorites.
10.8 Mountain Lion
Just like Snow Leopard before it, with Mountain Lion, Apple opted to clean up and revise the existing theme as opposed to changing directions for what would be a less-impactful release of OS X.
10.9 Mavericks
Mavericks marked the beginning of Apple’s “California location” naming scheme for Mac releases. The wave depicted looks as intimidating as the ones in the famous surfing location.
10.10 Yosemite
Yosemite brought another UI refresh to the Mac, making things flatter and more modern. The wallpaper ushered in a new era based on … well … mountains.
10.11 El Capitan
Named after a breathtaking spot in Yosemite National Park, El Capitan was a clean-up year after 10.10.
New Moon Wallpaper For Iphone
10.12 Sierra
More mountains.
10.13 High Sierra
Even more mountains.
10.14 Mojave
No more mountains! Mojave brought a new system-wide Dark Mode, and the OS shipped with two versions of its default wallpaper to match. Users could even have macOS slowly fade between the two background images over the course of the day.
Coach Wallpaper For Iphone
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Macos High Sierra Wallpaper For Iphone 5
10.15 Catalina
macOS Catalina brought big changes to the Mac, including the ability to run iPad apps natively, opening the platform up to a much larger number of developers than ever before. Catalina shipped with multiple variants of its default wallpaper, and the ability to shift between them as time progresses throughout the day:
Download 6K versions:
macOS Big Sur
This version of macOS is such a big deal, Apple changed the version number to 11.0. It will be the OS that brings support for Apple Silicon-powered Macs, and features a brand new design.
Download 6K versions:
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