AEQ Audio Over IP
Routing System
40
Device Channels.
A Dante device has a number of channels associated with it. These are either transmit (Tx) or
receive (Rx) channels. Receive channels and devices are listed down the left side of the grid.
Transmit channels and devices are listed along the top of the grid.
Transmit channels are advertised on the network. A receiver uses this advertisement to
establish a subscription to the channel. A transmit channel can be sent to multiple receivers
using unicast or multicast.
Receive channels are connected to transmit channels via a subscription. Each receive channel
will receive audio over the network from at most one transmit channel.
Subscribing to Audio Channels.
In the Routing View, a blue square at the intersection of an Rx and a Tx channel indicates that
is it possible to create an audio route between those channels. A grey square indicates that it is
not possible to create a route between those channels. This may be because of a mismatch in
sample rate between the transmitter and receiver, or because a device cannot route to itself
(from version 3.6.2.4 of "Dante Controller" this routing can be done, and it remains done even if
the device cable is removed).
When you click a blue square at the cross-point between a transmit channel and a receive
channel, a subscription will be created, and a green tick will appear in the matrix cross
point. You may initially see a grey hourglass icon (usually very briefly) to indicate that the
subscription is in progress.
If there is a problem with the subscription, either a warning or an error icon may appear. If
many devices have been subscribed at the same time, a yellow pending icon may appear
temporarily.
NOTE: Subscriptions can also be created in the Device View. This is covered in the Device
View Section.
Subscribing to Multiple Audio Channels at once.
To subscribe multiple channels at the same time, hold down the Ctrl key and click the [-] symbol
at the top left corner of the intersection between the two devices. All the possible channels will
be subscribed at the same time (see image in next page) in diagonal arrangement (the first
channel of the transmitting device connected to the first channel of the receiver device, second
channel to second channel and so on) This multiple-subscription tool subscribes channel by
channel (for example, 4 transmitters to 4 receivers), that is, a receiver can receive audio from
one transmitter only.
Unsubscribing Audio Channels.
To unsubscribe an audio channel, click on the cross-point containing a subscription. The
subscription icon will be removed and revert to a plain blue square.
Subscription Status.
The symbol displayed at the intersection of the Tx channel and the Rx channel in the Routing
View provides information on the status of the subscription or connection, as follows:
In progress: The subscription is in progress.
Subscribed: Connection is established and fully functional.
Warning: The subscription is unresolved, typically because the transmitting device is not
visible on the network (for example, because it has been removed, or switched off).
Error: An error has occurred - for example, there is insufficient bandwidth to establish the
subscription.
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