4K image quality of YouTube finally appears on iPhone, iPad, Apple TV 4K
With the latest OS such as iOS 14, iPadOS 14, and tvOS 14 announced in June 2020, Apple terminals such as iPhone, iPad, and Apple TV 4K finally support 4K image quality on YouTube. However, the Apple TV 4K named '4K' seems to have some limited features.
Apple TV gains 4K YouTube video playback, but HDR and 60 fps still missing --9to5Mac
YouTube 4K has now come to Apple TV, iPhone and iPad, but no HDR or 60fps on TV --The Verge
https://www.theverge.com/2020/10/3/21500399/apple-tv-youtube-4k-iphone-ipad-hdr-30-fps
In September 2017, Apple announced the 'Apple TV 4K' that supports 4K HDR.
Announcement of 'Apple TV 4K' compatible with 4K & HDR video streaming --GIGAZINE
Apple TV 4K is a terminal that supports 4K image quality, but the maximum resolution supported by YouTube is 1080p (1920 x 1080). Despite being named '4K,' Apple TV 4K isn't compatible with 4K image quality on YouTube, the world's most popular video sharing service, because Apple has so far built a 4K library. This is because we have refused to support VP9 , the underlying video compression codec.
However, in June 2020, about three years after the release of Apple TV 4K, the latest OS for Apple TV, tvOS 14, was announced, and it was announced that Apple TV 4K will finally support 4K image quality of YouTube. it was done. In addition, since it is written on Apple's official website that 'you can enjoy the latest YouTube video shot in 4K in full 4K', the overseas media The Verge said 'The latest YouTube video' is compatible with 4K. Because it's clearly stated, it's possible that Apple isn't supporting VP9, but is using the AV1 codec, just as YouTube started using it on Android TV. '
However, it has become clear that even Apple TV 4K updated to tvOS 14 does not support HDR or 4K / 60fps. In other words, even with Apple TV 4K updated to tvOS 14, the maximum resolution is limited to 4k / 30fps.
It has been revealed that the latest iPhone updated to iOS 14 and the latest iPad updated to iPadOS 14 support 4K / 60fps HDR on YouTube.
The Verge said, 'Is it possible that Apple has the option of 4k / 60fps on YouTube for a new model of Apple TV coming up in the future? Apple finally updated the Apple TV. It's been more than three years since then, and it's certain that there are rumors about next-generation models. '
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