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AES67 is a standard for audio over IP developed by the Audio Engineering Society. It enables interoperability between existing standards such as Dante , RAVENNA , Q-Lan and Livewire .
So how does AES67 actually work? The AES67 Wikipedia page and the AES67 draft from 2017 are a good point to get an overview:
In summary AES67 consists of three major, already existing standards. The first is Precision Time Protocol (PTP) as defined by IEEE 1588-2008 ( Precision Time Protocol on Wikipedia ) for clock synchronization. The second is the Real-time Transport Protocol ( Wikipedia ) with 24-bit PCM as the default audio format transmitted via multicast. The third is the Session Description Protocol with Session Announcement Protocol as the transport protocol for session discovery. I suggest to take a look at the standard
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