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Apple’s AirPlay lets you stream audio or audio and video to other devices on your local network. This could be an embedded video on a web page in Safari on an iPhone that you stream to your Apple TV, or an album from the Music app on a Mac that has its audio playing simultaneously through several devices. .

Apple added support for AirPlay mirroring and desktop extension to the latest release of macOS, allowing Apple devices (at least iOS 14, iPadOS 14, or macOS Monterey) to stream to Mac models released started in 2018 and running Monterey.
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