AES67 Practical Guide
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AES67 PRACTICAL GUIDE
Content
1! Basic Principles of AES67 ................................................................................................ 2!
1.1! Synchronization!........................................................................................................................!2!
1.2! Multicast packet transport!........................................................................................................!2!
1.3! Quality of Service!......................................................................................................................!3!
1.4! Session information!..................................................................................................................!4!
2! Guidelines for Configuration of an AES67 System ............................................................. 5!
2.1! System planning!.......................................................................................................................!5!
2.2! Device configuration!...............................................................................................................!11!
2.3! Check for proper synchronization (PTP)!.................................................................................!12!
2.4! Stream configuration!................................................................................................ ..............!14!
3! Outlook on emerging Technologies and Industry Standards ............................................ 26!
3.1! ANEMAN!.................................................................................................................................!26!
3.2! NMOS!......................................................................................................................................!26!
3.3! SMPTE ST 2110!.......................................................................................................................!27!
4! Conclusion ................................................................................................................... 28!
Abstract
AES67 is a standard for high-performance audio-over-IP interoperability. By implementing the
standards definitions and requirements, devices otherwise adhering to specific AoIP protocols that
don’t interoperate with each other (i.e. Dante, Livewire, QLAN or RAVENNA) can establish direct
connectivity and become interoperable.
However, while the standard defines what protocols and functions need to be supported, it still leaves
various choices open to the implementer and – by nature – doesn’t serve very well as a user’s guide;
thus, some background knowledge on networking in general and on AoIP-related topics!in particular
is certainly helpful when planning for an AES67 setup.
This guide explains some of the choices and ambiguities left open by the standard and describes how
to circumvent the most commonly observed obstacles when setting up an AES67 network.
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