Software settings
Setting the transmit signal
In the TX Signal Settings window you will find the possibility to adjust the
algorithms of digital signal processing of the microphone signal or any other audio
source. In ZeusRadio four main functions are implemented: the signal level
regulation, the signal peak factor reduction (compression), the equalizer, the
transmission signal bandwidth adjustment. There is also a possibility of using VST
plug-ins.
Note: The settings of the broadcast signal does not affect the signal in the CW mode.
VST plug-ins are only supported with built-in GUI.
The processing units are arranged from top to bottom in the order corresponding
to the signal passing through them.
Clicking on the speaker icon, which is included in each
unit, the output signal of this unit can be monitored and
thereby offers a consistent configuration of the transmission
path.
In addition, each unit has its own signal strength and overload (clipping) indicator.
Resolution of the level indicator is 3 dB.
First of all a recording of an audio sample has to be
started by clicking the microphone symbol in the Sample
Recording field. During recording the text should be consistently spoken with the
same volume as used in transmissions. A recording ends by a further click onto the
microphone symbol, and it will end automatically done when the length of the
recording reaches 20 seconds. The recording may be controlled by clicking the
replay button.
It must also be stated which of the two sets of parameters
should be regulated (Mic DSP A, Mic DSP B), and the button
for looped playback of the recording has to be activated.
Further order of procedures may be different. Here is the one of them (without
VST plugins):
- adjusting the Microphone Gain is necessary to achieve
the level of the signal slightly in the red area which does not
cause an overload;
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