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Armonía
Pro Audio Suite
Armonía Pro Audio Suite is the default configuring
interface that allows system setting and customization of
the CRS amplifiers.
Armonía can be installed on a PC running Windows
(XP SP3 and higher). Freely download Armonía Pro Audio
Suite from the Armonía forum:
https://armonia.powersoft.it/download-armonia/
CRS amplifiers can connect to the PC running Armonía
through a Fast Ethernet connection. In order to start remote
operation the device must be discovered and imported into
the Armonía Workspace. Click on the Discover button in the
Remote entities window, or select it from the Model list and
drag it into the Armonía Workspace.
The callback button (see Panel C, p.5) allows you to
highlight the presence of the amplifier into the Armonía
Workspace.
Once connected to Armonía Pro Audio Suite, a double
click on the amplifier icon in the Workspace will open the
amplifier dashboard. Here it is possible to access and
configure all the features of the CRS amplifier.
8
8 : 1.Signal routing and DSP architecture
Signal processing on CRS amplifiers accomplishes
multiple functions that affect the audio signal before power
amplification; the main adjustments include gain, polarity,
delay, limiting and signal equalization; some processing
are related only to particular stages, such as limiting and
damping control that are implemented on the output
section only, or input priority assignment available in the
input section.
The processing architecture is composed of six sections:
f Input source selection. The input section allows you
to manage input gain and delay of analog and digital
sources, in order to compensate transmission latency
and levels. Furthermore the CRS amplifiers implement a
backup policy aimed to improve reliability against signal
fault.
f Matrix. The innovative routing engine of CRS amplifiers
allows any input to be routed to any output. The Matrix
implements a non-boolean rooting architecture allowing
free channel assignment and level adjustment.
f Advanced processing. This allows you to optimize
levels and shape the sound of the input signals. Gain
and polarity adjustment, asymmetric raised-cosine full
parametric filters, delay and mute are available on each
channel routed to the speaker section.
f Speaker equalization. Designed to manage the
configuration presets for multi-way systems, it
implements FIR and IIR full parametric filters.
f Speaker routing. Once properly grouped, the output
channels are presented to the matrix as speakers –
a single row representing a speaker (actually group of
ways) – allowing a high grade of granularity in signal
processing.
f Output processing. This allows fine tuning of output
signals, aiming to optimize the power delivered and the
performance of the single way out. It provides gain and
polarity adjustment, IIR and FIR full parametric filters,
delay, mute, limiting and damping control on each
output channel.
8 : 2.Purposed workflow
Once the loudspeaker layout has been defined, we
suggest a bottom-up configuration procedure that starts
from the configuration of the transducers layout and goes
up toward the input selection and the definition of the
backup policy.
Shortly, the main steps to follow are:
1. Set Lo-Z and Hi-Z loads and filters on output channels.
2. Load the loudspeaker presets or manually configure the
loudspeaker layout (grouping output channels, limiting,
speaker processing, etc.).
3. Define the routing path and the levels of the signals
from the input channels to the active output channels
(matrix).
4. Select the signal source from the input connections and
define the backup policy (input source selection).
5. Define GPO assignment and alarms thresholds.
Through Armonía Pro Audio Suite software it is possible
to set the thresholds on the load impedance, at given
frequency, that trigger the general purpose output of any
channel in CRS amplifiers (see FIG. 5).
FIG. 11: GPO: System monitoring interface.
8 : 3.Live Impedance
FIG. 10: Armonía Pro Audio Suite.
18 | Component Rack System
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