TvOS

tvOS 11Apple TV Software 4Apple TV Software 5Apple TV Software 6Apple TV Software 7tvOS 10tvOS 9Apple TVtvOS (Apple TV)tvOS 12
tvOS is an operating system developed by Apple Inc. for the 4th generation and later Apple TV digital media player.wikipedia
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Apple Inc.

AppleApple ComputerApple Inc
tvOS is an operating system developed by Apple Inc. for the 4th generation and later Apple TV digital media player.
Apple's software includes the macOS, iOS, iPadOS, watchOS, and tvOS operating systems, the iTunes media player, the Safari web browser, the Shazam acoustic fingerprint utility, and the iLife and iWork creativity and productivity suites, as well as professional applications like Final Cut Pro, Logic Pro, and Xcode.

Siri

Apple SiriSiri Inc.Siri (software)
tvOS includes the Apple technologies of VoiceOver, Zoom, and Siri to help the blind and those with impaired vision.
Siri (pronounced, ) is a virtual assistant that is part of Apple Inc.'s iOS, iPadOS, watchOS, macOS, and tvOS operating systems The assistant uses voice queries and a natural-language user interface to answer questions, make recommendations, and perform actions by delegating requests to a set of Internet services.

Apple TV

AppleTVApple TV 4KApple TV Software
tvOS is an operating system developed by Apple Inc. for the 4th generation and later Apple TV digital media player.
The 4th generation model uses a new operating system, tvOS, with an app store, allowing downloads of third-party apps for video, audio, games and other content.

VoiceOver

Apple VoiceOver
tvOS includes the Apple technologies of VoiceOver, Zoom, and Siri to help the blind and those with impaired vision.
VoiceOver is a screen reader built into Apple Inc.'s macOS, iOS, tvOS, watchOS, and iPod operating systems.

List of iOS devices

iOS devicesiOS deviceiDevice
The Apple TV, which runs tvOS, is a set-top box for streaming media from local sources and from certain internet services to a connected television set, and has no screen of its own.

Metal (API)

MetalMetal APIcompatible
tvOS adds support for an all-new SDK for developers to build apps for the TV including all of the APIs included in iOS 9 such as Metal.
It is intended to bring to iOS, macOS, and tvOS apps some of the performance benefits of similar APIs on other platforms, such as Vulkan (which debuted in mid-February 2016) and DirectX 12.

Screen reader

screen readersscreen readingscreen reading devices
VoiceOver, Apple's screen reader, is available in more than 30 languages and enables visually impaired users to know what is on the visual display and input responses to on-screen prompts.
Apple Inc. macOS, iOS, and tvOS include VoiceOver as a built-in screen reader, while Google Android provides Talkback screen reader since 2009.

App Store (tvOS)

App StoretvOS App Store
The 4th generation Apple TV, with support for third-party software via an App Store, was rumored prior to the Apple September 2015 Event held on September 9, 2015.
The App Store is a digital distribution platform, developed and maintained by Apple Inc., for tvOS apps on its Apple TV digital media player.

WatchOS

watchOS 3watchOS 2watchOS 1
tvOS 9.1 was released on December 8, 2015 along with OS X 10.11.2, iOS 9.2, and watchOS 2.1.

Apple Arcade

Card of Darkness
Apple Arcade is a video game subscription service by Apple Inc. for iOS, iPadOS, tvOS, and macOS devices.

MacOS

Mac OS XOS XMac
tvOS 9.1 was released on December 8, 2015 along with OS X 10.11.2, iOS 9.2, and watchOS 2.1.
Apple shortened the name to "OS X" in 2012 and then changed it to "macOS" in 2016, adopting the nomenclature that they were using for their other operating systems, iOS, watchOS, and tvOS.

Apple TV (software)

Apple TV ChannelsTVApple TV
On iPhones, iPads, iPod Touches, and tvOS-based Apple TVs it can also index and access content from linked apps of other video on demand services.

ITunes Remote

RemoteApple TV Remote appRemote (Apple software)
Along with these updates, Apple also updated the Remote apps on iOS and watchOS, allowing for basic remote functionality for the 4th generation Apple TV (previously, said app only worked with past versions of Apple TV).
tvOS 9.1 (released on December 9, 2015), in addition to the 4.2.3 Remote app update for iOS and WatchOS, returned basic app functionality to the 4th generation Apple TV; text input, navigation, and control.

Swift (programming language)

SwiftSwift 3Swift programming language
Swift is a general-purpose, multi-paradigm, compiled programming language developed by Apple Inc. for iOS, iPadOS, macOS, watchOS, tvOS, Linux, and z/OS.

Magic Keyboard

Apple Magic Keyboard
The Apple TV is designed to work with the Apple Wireless Keyboard or the Apple Magic Keyboard.
The keyboard is compatible with Apple Macintosh desktop and laptop computers running Mac OS X El Capitan versions 10.11 and higher, with iPhones and iPads running iOS 9 or later, and Apple TVs running Apple TV Software 7.0 or later or tvOS 10.

High Efficiency Video Coding

HEVCH.265H.265/HEVC
On June 5, 2017, Apple announced HEVC H.265 support in macOS High Sierra, iOS 11, tvOS, HTTP Live Streaming and Safari.

ITunes Store

iTunesiTunes Music StoreiTunes U
Movies with audio descriptions are displayed with the AD (Audio Description) icon in the iTunes Store for tvOS and in iTunes on a Macintosh or Windows PC.

AirPods Pro

Support for AirPods Pro was added in iOS 13.2, watchOS 6.1, tvOS 13.2, and macOS Catalina 10.15.1.

XNU

XNU kernelDarwin kernelMac OS X Kernel
XNU is the computer operating system kernel developed at Apple Inc. since December 1996 for use in the macOS operating system and released as free and open-source software as part of the Darwin operating system, which is the basis for the Apple TV Software, iOS, iPadOS, watchOS, and tvOS operating systems.

Hybrid kernel

Hybridhybrid architecture
XNU is the kernel that Apple Inc. acquired and developed for use in the macOS, iOS, watchOS, and tvOS operating systems and released as free and open source software as part of the Darwin operating system.

Operating system

operating systemsOScomputer operating system
tvOS is an operating system developed by Apple Inc. for the 4th generation and later Apple TV digital media player.

Digital media player

Digital media receivermedia playermedia players
tvOS is an operating system developed by Apple Inc. for the 4th generation and later Apple TV digital media player.

IOS

Apple iOSiPhone OSiPhone
tvOS 9.1 was released on December 8, 2015 along with OS X 10.11.2, iOS 9.2, and watchOS 2.1. tvOS was initially based on iOS whereas the system software for the 2nd and 3rd generation Apple TV were based on stripped-down versions of iOS.

Eddy Cue

On June 13, 2016, at WWDC 2016, Apple SVP of Internet Services Eddy Cue announced the next major version of tvOS, tvOS 10.