AES67 - Revision history

Camille: /* IPv4 Multicast addresses */

2024-07-10T15:30:50Z

IPv4 Multicast addresses

Camille: /* SDP */

2024-04-22T13:20:56Z

SDP

Camille: /* Transport */

2024-03-18T08:10:33Z

Transport

Camille: /* IPv4 Multicast addresses */

2024-03-18T08:06:28Z

IPv4 Multicast addresses

Camille: /* Interconnecting... */

2023-08-10T13:21:12Z

Interconnecting...

Camille: Info on Windows multicast possible solutions

2022-09-26T09:03:57Z

Info on Windows multicast possible solutions

Marcel: /* Windows */

2022-08-24T14:16:26Z

Windows

Marcel: /* QOS */

2022-08-24T13:53:07Z

QOS

Marcel at 14:15, 22 October 2021

2021-10-22T14:15:57Z

Marcel: /* Generalities */

2021-09-16T14:31:51Z

Generalities

@@ Line 38: / Line 38: @@
 Actually some usual sub-ranges are :
-*239.192.y.z => Livewire (Livestream and Standard Stereo Streams)  ''Livewire channel is y*256+z. So channel 1000 is 239.192.3.232 (1000/256=3 and 1000-3*256=232)''
+*239.192.y.z => Livewire (Livestream and Standard Stereo Streams)  [239.192.0.1 to 239.192.127.255] ''Livewire channel is y*256+z, so channel range is [1:32767]''  ''So channel 1000 is 239.192.3.232 (1000/256=3 and 1000-3*256=232)''
 **239.192.255.1 to 4 are Livewire clock/advertising/GPIO
 *239.193.y.z => Livewire (Back Standard Streams)

← Older revision		Revision as of 13:20, 22 April 2024
Line 15:		Line 15:

	eg http://192.168.6.50:8554/by-id/1		eg http://192.168.6.50:8554/by-id/1
		+
		+	'''NOTE: some devices (WM2) can configure the RTSP port and have a default port equal to 8854.'''

	The SDP file can be saved with .sdp extension and then directly opened in VLC for instance (Media->open file).		The SDP file can be saved with .sdp extension and then directly opened in VLC for instance (Media->open file).

@@ Line 36: / Line 36: @@
 Actually some usual sub-ranges are :
-*239.192.y.z => Livewire (Livestream and Standard Stereo Streams) ''Channel is y*256+z''
+*239.192.y.z => Livewire (Livestream and Standard Stereo Streams)  ''Livewire channel is y*256+z. So channel 1000 is 239.192.3.232 (1000/256=3 and 1000-3*256=232)''
 **239.192.255.1 to 4 are Livewire clock/advertising/GPIO
 *239.193.y.z => Livewire (Back Standard Streams)

@@ Line 36: / Line 36: @@
 Actually some usual sub-ranges are :
-*239.192.y.z => Livewire (Livestream and Standard Stereo Streams)
+*239.192.y.z => Livewire (Livestream and Standard Stereo Streams) ''Channel is y*256+z''
 **239.192.255.1 to 4 are Livewire clock/advertising/GPIO
 *239.193.y.z => Livewire (Back Standard Streams)
@@ Line 135: / Line 135: @@
 These product may have 10ms of output jitter so the receiving device must be configured with more than 10ms buffer.
-==== Sending with SOUND4 Stream ====
+====Sending with SOUND4 Stream====
 Use RTP - PCM S16BE - Stereo - 48kHz to send on port 5004, and configure to receive 16 bits audio (L16).

@@ Line 134: / Line 134: @@
 ====PC Virtual Sound Card, SOUND4 WM2====
 These product may have 10ms of output jitter so the receiving device must be configured with more than 10ms buffer.
 ==Troubleshooting==
 See [[LANAUDIO]]
 [[Category:LANAUDIO]]

@@ Line 44: / Line 44: @@
 Never use 224.x.y.z range which is reserved for Network administration and control.
-==== IGMP ====
+====IGMP====
 IGMP snooping must be enabled on the Ethernet Switches. It routes multicast packets to the ports that request them, and avoid them to be broadcasted everywhere on the network which would saturate it.
 <br />
-==== Windows ====
+====Windows====
-Under Windows, there may be difficulties with multicast routing when more than one Network Interfaces is used.<br />
+Under Windows, there may be difficulties with multicast routing when more than one Network Interfaces is used.
 ===UDP Port===
@@ Line 113: / Line 123: @@
 ==Interconnecting...==
-==== [[Dante]] ====
+====[[Dante]]====
-==== [[Wheatstone]] ====
+====[[Wheatstone]]====
 ====iqoya====
@@ Line 122: / Line 132: @@
 Check format is 24bits.
-==== PC Virtual Sound Card, SOUND4 WM2 ====
+====PC Virtual Sound Card, SOUND4 WM2====
 These product may have 10ms of output jitter so the receiving device must be configured with more than 10ms buffer.

@@ Line 44: / Line 44: @@
 Never use 224.x.y.z range which is reserved for Network administration and control.
 <br />
-=====Windows=====
+==== Windows ====
 Under Windows, there may be difficulties with multicast routing when more than one Network Interfaces is used.<br />
@@ Line 72: / Line 74: @@
 IP packets must be classified :
-* clock packets (PTP or LW) must be highest priority to minimize delay / jitter and improve stability.
+*clock packets (PTP or LW) must be highest priority to minimize delay / jitter and improve stability.
-** for PTP, AES67 standard recommends to use EF (DSCP46). We recommend to use CS6 (DSCP48)
+**for PTP, AES67 standard recommends to use EF (DSCP46). We recommend to use CS6 (DSCP48)
-** for Livewire we recommend to use CS6 (DSCP48)
+**for Livewire we recommend to use CS6 (DSCP48)
-* audio packets must be high priority. Low delay packets must have higher priority than higher delay ones.
+*audio packets must be high priority. Low delay packets must have higher priority than higher delay ones.
-** for Livewire streams (Very Low Delay: 12 spl/pkt = 250µs/pkt) we recommend to use EF (DSCP46)
+**for Livewire streams (Very Low Delay: 12 spl/pkt = 250µs/pkt) we recommend to use EF (DSCP46)
-** for AES67 1ms streams (Low Delay : 48 spl/pkt = 1ms/pkt), AES67 standard recommends to use AF41 (DSCP34)
+**for AES67 1ms streams (Low Delay : 48 spl/pkt = 1ms/pkt), AES67 standard recommends to use AF41 (DSCP34)
-** for Livewire Standard streams (240 spl/pkt = 5ms/pkt) we recommend to use AF41 (DSCP34)
+**for Livewire Standard streams (240 spl/pkt = 5ms/pkt) we recommend to use AF41 (DSCP34)
 This configuration must be the same for all the audio devices of your network.
@@ Line 103: / Line 105: @@
 <br />
 ==Interconnecting...==
-[[Wheatstone]]
+==== [[Dante]] ====
-=====iqoya=====
+====iqoya====
 Don't use the "AES67 Very Low Latency profile".
 Check format is 24bits.
 ==Troubleshooting==
 See [[LANAUDIO]]
 [[Category:LANAUDIO]]

@@ Line 70: / Line 70: @@
 ===QOS===
-<br />
+IP packets must be classified :
 ==Clocking==
@@ Line 95: / Line 109: @@
 [[Wheatstone]]
-===== iqoya =====
+=====iqoya=====
 Don't use the "AES67 Very Low Latency profile".

@@ Line 3: / Line 3: @@
 These docs are useful :
-AES67 Practical Guide (from [https://www.ravenna-network.com RAVENNA])<br />
+AES67 Practical Guide ''(by courtesy of [https://www.ravenna-network.com RAVENNA])'' :<br />
 [[File:AES67 Practical Guide.pdf|thumb]]<br />
 ==SDP==