AES67 Transmitter

The AES67 Transmitter component provides the means for sending valid AES67 audio streams.

Q-SYS implements the AES67 mandated "Compatibility Mode" which is:

In the component Properties, you can set the Connection Mode to configure how devices are discovered and managed:

  • Auto mode – This mode ensures that the AES67 receiver/transmitter is configured to use SAP (Session Announcement Protocol) for Discovery and Connection Management. This enables automatic discovery and connection to any SAP enabled AES67 stream, including those transmitted by a Dante based device.
  • Manual mode – Allows manual configuration of stream TX/RX parameters for integration with devices not using SAP.
  • RTSP mode – In this mode, you copy the stream URI from the connection parameters in the component control panel and use this URI in your AES67 receiver settings.

Refer to the Controls, and Properties tables for information about items used in this procedure. This procedure is focused on the AES67 Transmitter, so it is assumed that you have the appropriate elements in your design to use the transmitter.

  1. From the Inventory add list, select Streaming I/O > AES67 Transmitter. The transmitter is added to your Inventory.
  2. Drag and drop the AES67 TX Status/Control component into the schematic.
  3. Double click the component to display the components control panel.
  4. In the Properties, Give the transmitter a new Name if desired. The default is AES67-TX-n.
  5. Select or create a new Location for the transmitter.
  6. Set the Connection Mode to Auto.
    Auto mode configures this AES67 Transmitter to use the SAP protocol for Discovery and Connection Management. This enables automatic discovery and connection by any SAP enabled AES67 receiver, including Dante based devices.
  7. Set the Channel Count to the number of streams (1 to 10) you will be transmitting.

Property

Function

Choices

Name

User-defined name given to the AES67 Transmitter.

The Name may contain ASCII letters 'a' through 'z' (case-insensitive), the digits '0' through '9', and the hyphen. Names cannot begin or end with a hyphen. No other symbols, punctuation characters, or blank spaces are permitted.

User-defined

Location

User-defined name that groups the Transmitter with other components in the same physical location, or in the same organizational scheme.

User-defined

Connection Mode

For more information, see Connection Modes.

  • Auto mode uses SAP to ease integration with any other AES67 device using SAP.
  • Manual allows you to manually configure additional transmitter connection settings.
  • RTSP mode allows you to obtain the stream URI for use in your AES67 receiver settings.

Auto

Manual

RTSP

Channel Count

Number of channels for the Transmitter. This count must match that of the Transmitter.

1 to 10

Control

Function

Default / Range

Stream Tab

AES67

Peak Output Level

(dBFS)

Meters for each channel indicating the peak output level.

Default = N / A

Range =

-120 to 20

Digital

Clip LED

Indicates the associated channel output is clipping.

N / A

Clip Hold

When engaged, the Clip LED remains on until reset by disengaging this button.

Off / On

Invert

Toggle button to invert the digital output of the AES67 Transmitter.

Off / On

Mute

Mutes the output signal.

Off / On

Gain

(dB)

Controls the Gain of the digital output signal.

Default = 0

Range =

-100 to 20

Status

OK LED

LED indicating the status of the Transmitter network link.

N / A

AES67 Transmitter Status

Component status is conveyed with the Status LED and Status box, which uses both color and text to indicate the current condition:

  • OK: The device is functioning normally.
  • Initializing: The device is in the process of a firmware or configuration update, or the design is starting.
  • Compromised: The device is functioning, but a non-fatal problem exists. Refer to the Status box for details.
  • Missing: The device cannot be discovered.
  • Fault: The device is malfunctioning or is not properly configured. Refer to the Status box for details.
  • Unknown: This status appears during a Core reboot (for example, during a firmware update), or when a design is being pushed to the Core and before it has started running.
  • Not Present: If applicable to the device, this status appears when the device is not connected to the network and its Is Required component property is set to 'No'. This status also appears if the device component's Dynamically Paired property is set to 'Yes', pairing has not been assigned in Core Manager, and the device component's Is Required property is set to 'Yes'. See Dynamic Pairing.

N / A

Connection

Multicast Address

The AES67 Transmitter and Receiver must have the same Multicast Address. By default, the address is automatically assigned from the range 233.254.0.0 - 233.254.255.255, which supports up to 256 multicast AES67 streams per Core. Once an address is auto-assigned, that address is retained unless manually changed. If you clear the Multicast Address field, the system auto-assigns a new address.

Note: If you specify your own address, it must be a valid Class D Multicast address between 224.0.0.0 and 239.255.255.255 and not conflict with those registered with the IANA, any Q-SYS Services (Network), or multicast address ranges for Cameras and Video Endpoints.

To learn more about multicast addressing in Q-SYS, see Multicast Traffic.

N / A

Enable

Enable / Disable the Transmitter.

Disable / Enable

Stream Name

User-defined name for the transmitted stream.

Default = aes67-tx-n

Range = user defined

Network Rx Buffer

Adds extra buffer time to the default maximum of 1 ms.

Additional Network Receive Buffer time is useful in (rare) cases where the network latency through the network exceeds the default maximum. Additional network latency my be introduced by sub-optimal QoS functionality, some layer-3 routing implementations, long distances or large networks.

Default

Extra 1 ms

Extra 2 ms

Extra 5 ms

Interface

Sets the LAN on which the receiver is to communicate with the transmitter. The Auto selection will choose for you.

Default = Auto

LAN A

LAN B

Details Tab

Stream

Details

Text indicating the Details of the Transmitter stream. The information in this field is updated regularly and is cumulative. The following "Count" information is displayed as running totals:

  • Enabled: 1
  • Connected: 1
  • Packet Count: 1875
  • Timestamp: 418637872

 

Reset Details

This button resets the networking details to zero, at which point the details start accumulating information again.

  

The available Control Pins depend on settings in Properties.

Pin Name

Value

String

Position

Pins Available

Channel 1 – n

Clip

0

1

false

true

0

1

Output

Clip Hold

0

1

off

on

0

1

Input / Output

Gain

-100 to 20

-100 dB to 20 dB

0.000 to 1.00

Input / Output

Invert

0

1

normal

invert

0

1

Input / Output

Level (Peak Input)

-120 to 20

-120 dB to 20 dB

0.000 to 1.00

Output

Mute

0

1

unmute

mute

0

1

Input / Output

Details

Reset Stream Details

Trigger

 Input / Output

Stream Details

Text Display

Output

Connection

Enable

0

1

disabled

enabled

0

1

Input / Output

Interface

Text Display

Auto

LAN A

LAN B

LAN nnn

Input / Output

Multicast Address

Text
nnn.nnn.nnn.nnn

Input / Output

Multicast Address

Text
nnn.nnn.nnn.nnn

Network RX Buffer

Text Display:

Default

Extra 1 ms

Extra 2 ms

Extra 5 ms

Input / Output

Stream Name

Text Edit

 Input / Output

Status

Status

0

1

2

3

4

OK (green)

Compromised (orange)

Fault (red)

Unknown (red)

Updating (blue)

0

0.250

0.500

0.750

1.00

Output