User guide

Viz Engine Administrator’s Guide
Page 120 Copyright © 2014 Vizrt
• DirectSound Input
• DirectSound Audio Card
7.1.1 Audio Channels
Internally Viz Engine can use 16 audio channels. The channels are working with floats.
Every channel can be named with an arbitrary number of aliases.
7.1.2 Matrox (and Targa) Input Channels
If a Matrox card is present in the system, 16 input channels are available as AES/EBU
input or embedded in the video stream.
The old Targa board offers 2 input channels embedded in the video signal.
7.1.3 Matrox (and Targa) Output Channels
After mixing, Viz Engine writes the data of the internal channels one by one to the
available output devices. On the direct sound devices you have the possibility to route
the Viz Engine channels to any available output channels.
See Also
• Device Recognition and Selection
7.1.4 Matrox Live Input Routing
On Matrox cards it is possible to route live input channels to any internal Viz Engine
channel. It is possible to route more than one channel to an internal channel, but it is
not possible to duplicate input channels.
Note: It is not possible to route Targa input channels.
See Also
• Channel Setup and Clip Channel Routing
7.1.5 Matrox (and Targa) Clip Routing
Audio from Matrox or Targa clips are mapped one by one to the internal Viz Engine
channels; hence, no routing is possible.
Audio from audio clips played through the stage is routed to the internal audio channel.
This can be done automatic or manual.
See Also
• Matrox Live Input Routing
• Channel Setup and Clip Channel Routing
7.1.6 DirectShow Filters
Viz is able to play any audio file for which a DirectShow filter is installed.