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According to IEEE1722 and 1722.1 Standard there is no limit of 7hops. It depends on the network speed 100MBit or 1GB or 10GB. Also what Class the AVB network is. The latency is specified as maximum 2ms in the sense that each device msut be able to buffer 2ms but there is no minimum 2ms. This is simply wrong. |
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{{Short description|None}}
The following is a comparison of [[audio over Ethernet]] and [[audio over IP]] audio [[network protocol]]s and systems.
{| class="wikitable sortable"
|+Audio network technology matrix<ref name=AES/>
!Technology
Line 22 ⟶ 23:
|Isochronous
|Coexists with ATM
|Any IP or ATM protocol,
|Mesh
|Provided by ATM
Line 33 ⟶ 34:
|[[AES50]]
|
|[[Ethernet physical layer]]{{efn|Ethernet transport is combined with a proprietary audio clock transport. AES50 and HyperMAC are point-to-point audio connections, but they bridge a limited bandwidth of regular Ethernet for the purpose of control communications. An AES50/HyperMAC router contains a crosspoint matrix (or similar) for audio routing, and an Ethernet switch for control routing. The system topology may therefore follow any valid Ethernet topology, but the audio routers need a priori knowledge of the topology. While there are no limits to the number of AES50 routing devices that can be interconnected, each hop adds another
|Isochronous or synchronous
|dedicated Cat5
Line 46 ⟶ 47:
|-
|[[AES67]]
|
|Any IP medium
|Isochronous
Line 74 ⟶ 75:
|-
|[[Audio Video Bridging|AVB]] (using IEEE 1722 transport)
|
|Enhanced Ethernet
|Isochronous
Line 82 ⟶ 83:
|Provided by [[IEEE 802.1]]
|Cat5=100 m, MM=2 km, SM=70 km
|Dependent on latency class and network speed{{cn|date=August 2020}}
|Dependent on latency class and network speed{{cn|date=August 2020}}
|Unlimited▼
|2 ms or less
|192 kHz
Line 120 ⟶ 121:
|Isochronous
|Coexists with other traffic using DiffServ QoS
|Proprietary Control Protocol based on IP, [[Bonjour (software)|Bonjour]]
|Any L2 or single IP subnet
|Provided by [[IEEE 802.1]] and redundant link
Line 129 ⟶ 130:
|192 kHz
|-
|[[EtherSound]] {{nowrap|ES
|2001
|Ethernet [[data link layer]]
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|96 kHz
|-
|[[EtherSound]] {{nowrap|ES
|
|Ethernet data-link layer
Line 156 ⟶ 157:
|84–125 μs + 0.5 μs/node
|96 kHz
|-
|[[Gibson MaGIC]]
|1999-09-18<ref>{{cite web |url=http://www.gibson.com/en-us/Divisions/Audio/MaGIC/SPECIFICATIONS/ |archiveurl=https://web.archive.org/web/20100514202554/http://www.gibson.com/en%2Dus/Divisions/Audio/MaGIC/SPECIFICATIONS/ |archivedate=2010-05-14 |url-status=dead |title=Media-accelerated Global Information Carrier |df=ymd}}</ref>
|Ethernet data-link layer
|Isochronous
|
|Proprietary, [[MIDI]]
|[[Star network|Star]], [[Daisy chain (network topology)|Daisy chain]]
|
|Cat5=100 m
|32 channels
|
|290 μs or less<!--up to 290 μs for PHY and 250 μs or less for processing--><ref>{{citation
|url = http://archive.gibson.com/files/_audio/magic/magic3_0c.pdf
|archiveurl = https://web.archive.org/web/20160304224230/http://archive.gibson.com/files/_audio/magic/magic3_0c.pdf
|archivedate = 2016-03-04
|url-status = dead
|title = Media-accelerated Global Information Carrier Engineering Specification Revision 3.0c
}}</ref>
|192 kHz
|-
|HyperMAC
Line 184 ⟶ 205:
|0.75 ms
|48 kHz
|-
|Milan
|2018
|Ethernet
|Isochronous
|Coexist with other protocols in converged networks
|IEEE 1722.1
|[[Star network|Star]], [[Daisy chain (network topology)|Daisy chain]]
|Redundant links
|Cat5=100 m, MM=2 km, SM=70 km
|Dependent on latency class and network speed{{cn|date=August 2020}}
▲|Unlimited
|2 ms or less
|192 kHz
|-
|[[mLAN]]
|
|[[IEEE 1394]]
|Isochronous
Line 320 ⟶ 355:
==References==
{{reflist|refs=
<ref name=AES>{{cite
}}
[[Category:Audio network protocols]]
[[Category:Network software comparisons|Audio network protocols]]
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