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June
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Working with Rational Acoustics,
PreSonus has streamlined Smaart’s
Response
™
and Locator
™
modules to make
it easy to view a PA system’s frequency
response, providing all information neces-
sary to adjust the sound system using the
StudioLive’s parametric EQs. Smaart’s
Spectra
™
RTA and Spectrograph can be
viewed on top of each output’s graphic
EQ or parametric EQ and is also available
on every channel’s parametric EQ so you
can analyze a mix, easily spot troubling
frequencies on a channel, or quickly ring
out floor monitors. The implementation is
accessible and intuitive, so that inexperi-
enced clients can make basic adjustments
to the system, and experienced users can
adjust the system quickly and precisely.
The Smaart Spectra Spectrograph
The Smaart Spectra Spectrograph
shows level versus frequency versus
time. It graphs a continuous series of
spectrum measurements with frequency
on one axis, time on another, and level
indicated by colors. The display lets your
view five seconds of spectral information
so you can view long term trends in your
mix or input channel.
When a frequency band in the
spectrum is above the lower threshold,
it shows up on the plot, starting with a
dark blue color at lower levels, and tran-
sitioning through green, yellow, orange,
and red with higher levels — eventually
showing up as white if the level reaches
or exceeds the upper threshold. This is
particularly useful for quickly identifying
feedback frequencies—a constant feed-
back tone stands out vividly as a vertical
line—so that you can quash them with
StudioLive graphic or parametric EQs.
Smaart System Check Wizards
Using three Smaart System Check
Wizards and a pink-noise generator built
into Virtual StudioLive-AI, StudioLive
32.4.2AI users can easily view the
frequency-response trace of a venue,
calculate and set delay-system timing,
and verify output connectivity.
Smaart System
Delay Wizard
The Smaart
System Delay
(SSD) Wizard cal-
culates and sets the
correct amount of delay time between
two full-range speaker systems, using the
StudioLive 32.4.2AI subgroup-output
delays. This helps you to time-align the
outputs of secondary (e.g., side and rear)
speaker systems with the output of the
main front speakers in a front-of-house
PA system. You can time-align multiple
secondary systems using this tool and the
StudioLive mixer’s four subgroup outputs.
Smaart Output Check Wizard
The Smaart Output Check (SOC) Wiz-
ard helps you to quickly verify that the
StudioLive 32.4.2AI system outputs are
routed correctly and are passing signal.
iPad Remote Control
At any step in any of the Wizards,
simply click the Go Remote button
and grab an iPad. StudioLive Remote-
AI (free from the Apple App Store) will
launch at the same step in the Wizard
process, and you can continue the
Wizard wirelessly. Give your iPad FOH
permission in Virtual StudioLive-AI,
and you can launch the Smaart Wiz-
ards remotely.
To use these tools, you need to con-
nect a measurement microphone to
the StudioLive mixer’s Talkback input.
PreSonus offers the PRM1 precision
measurement microphone for this
purpose but any quality measurement
microphone can be used.
Smaart Room Analysis Wizard
The Smaart
Room Analysis
(SRA) Wizard is an
automated process
that guides you
through the steps
of acquiring a
frequency-response trace and then
overlays the resulting trace on the
parametric EQ so you can immediately
make adjustments to remove unwant-
ed anomalies in the room. This
measurement is
calculated using
Rational Acoustics’
transfer function, a
set of proprietary
algorithms that
compare the signal
from a measurement
mic to computer-
generated pink noise.
The SRA Wizard offers two analysis
types. Basic Analysis takes a single
measurement of your system. When
analysis is complete, the wizard will
continue to output pink noise through
your system while you EQ, allowing
you to view the effects of your filters
in real-time. Advanced Analysis takes
three separate measurements, with
the mic in different positions, and will
generate a more accurate frequency-
response trace of your system by aver-
aging the measurements together.
Since Smaart is integrated into Vir-
tual StudioLive-AI, the software recog-
nizes stereo-linked outputs and treats
them accordingly.
StudioLive
™
32.4.2AI
