About Porthole
Porthole was a Mac application that allowed users to stream system audio to AirPlay devices simultaneously. Developed by Danger Cove, it enabled multi-room audio playback before Apple introduced native AirPlay 2 support in 2017. The tool required reverse-engineering undocumented AirPlay protocols and faced compatibility issues with firmware updates.
FAQ
Porthole was discontinued in January 2017 because Apple introduced AirPlay 2, which made the app obsolete. AirPlay 2 allowed streaming to multiple AirPlay devices from Mac and mobile devices, a feature that Porthole users had requested.
Porthole allowed you to stream all audio from your Mac to any AirPlay output on the network simultaneously. This enabled synchronized music playback across multiple speakers, letting you walk around and enjoy music everywhere.
Porthole worked with AirPlay devices like AirPort Express and Apple TV, but compatibility could break with each new firmware update from Apple. This required frequent updates to Porthole to restore functionality.
Yes, Porthole could stream audio from any app on your Mac, including Spotify, Pandora, Rdio, and others. It bypassed the limitation of built-in AirPlay, which only supported iTunes.
Yes, Porthole added an item to your menu bar, allowing you to transfer system audio to an AirPort Express with just one click. Users described it as a 'piece of cake.'
No, Porthole was discontinued in 2017 and is no longer available or supported. Apple's built-in AirPlay 2 features in macOS Mojave and iOS 12 replaced its functionality.
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