In audio engineering (and now in broadcast engineering), audio over Ethernet (sometimes AoE) is the concept of using an Ethernet-based network to transmit digital audio. It is designed to replace bulky snake cables, and to use the existing wiring infrastructure in a facility, providing a reliable backbone for any audio application, such as for multiple studios or stages. While on the surface it bears a resemblance to voice over IP (VoIP), it differs in several very important ways.

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  • In audio engineering (and now in broadcast engineering), audio over Ethernet (sometimes AoE) is the concept of using an Ethernet-based network to transmit digital audio. It is designed to replace bulky snake cables, and to use the existing wiring infrastructure in a facility, providing a reliable backbone for any audio application, such as for multiple studios or stages. While on the surface it bears a resemblance to voice over IP (VoIP), it differs in several very important ways. First, AoE is high-bandwidth, intended for high-fidelity and therefore high-bitrate professional audio, rather than voice. In addition, it is also for isochronous and multi-channel use, rather than independent streams. Second, it is designed to have very high reliability, including very low latency and almost no packet loss. Because of this, audio over Ethernet is also uncompressed, which prevents both delay and unwanted compression artifacts. Likewise, AoE by definition runs on a dedicated local-area network (LAN), or at minimum on a virtual LAN (VLAN), so that quality of service (QoS) is guaranteed to provide uninterrupted and uncorrupted audio. AoE does not use Internet Protocol (IP) for layer 3,, but rather its own protocol(s) (at the higher OSI layers) that creates data packets and data frames that are transmitted directly onto the Ethernet for efficiency and lack of overhead. The word clock may be provided by broadcast packets.
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  • In audio engineering (and now in broadcast engineering), audio over Ethernet (sometimes AoE) is the concept of using an Ethernet-based network to transmit digital audio. It is designed to replace bulky snake cables, and to use the existing wiring infrastructure in a facility, providing a reliable backbone for any audio application, such as for multiple studios or stages. While on the surface it bears a resemblance to voice over IP (VoIP), it differs in several very important ways.
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  • Audio over Ethernet
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