Remote Audio Output Protocol
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Remote Audio Output Protocol (RAOP) is an Internet streaming protocol based on RTSP / RTP authored by Apple Inc. It powers the AirPlay technology built into AirPort Express wireless (802.11b/g/n) access point as well as the Apple TV.
The major difference from RTSP is an initial asymmetric key verification made by iTunes to verify it is communicating with an AirPort Express or an Apple TV (as opposed to a simulation), and vice versa. The data channel is also encrypted by AES, with a random key protected by the asymmetric key mentioned above.
The Shairport application which emulates Airport Express hardware is available.
- "[vlc-devel] commit: Comment for myself ( Rémi Denis-Courmont )". Mailman.videolan.org. 2008-01-02. Retrieved 2012-02-10.
- "[vlc-devel] RAOP/Airtunes". Mailman.videolan.org. Retrieved 2012-02-10.
- "shairport". github.com. Retrieved 2013-09-23.
- Technical note to describe the Remote Audio Access Protocol (RAOP) as used in Apple iTunes to stream music to the Airport Express (ApEx)
- RAOP-play an open source implementation of the protocol