Sirius 800 Series User Manual
4915 Sirius 800 AES/MADI Input Module
Input Rear Panels and Input Modules 9.17
Iss 5 Rev 7
Page 137
© 2017 SAM
9.17.4.1
Gain Control and Phase Invert
Gain
Gain is applied to an audio input channel as Silence (mute) or in steps of 0.1dB in a range of
-72 dB to +30 dB.
Phase Invert
Phase invert will invert the audio waveform.
9.17.4.2
Stereo Mode
Stereo Mode is used to manipulate stereo pairs. Options include: Left/Right Swap, Left Both,
Right Both and Mono Mix.
Left/Right Swap
Left/Right swap is used to swap the two audio channels of an AES pair over.
Left Both & Right Both
Left Both and Right Both are used to duplicate the selected channel of a stereo pair and pass
the two identical output channels on in place of the original pair.
Mono Mix
Mono mix is used to mix a stereo pair together to create a single mono signal. This single
mono signal is then passed to the router for each of the mixed channels.
The Mono Mix is:
9.17.5 4915 Connections to the Audio Crosspoints
The 4915 Audio input module creates two identical multiplexed audio transport streams each
of which contains all of the audio channels on the input module (up to 768 mono channels).
One transport stream is sent to the main audio crosspoint module and a duplicate transport
stream is sent to the redundant audio crosspoint module.
A
B
+
2
-------------