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9.D INTRODUCTION TO "EQ" FUNCTIONS
Before choosing these settings, here are a few important concepts:
When using "Room EQ" or "Manual EQ", one element remains unchanged: the
frequency response curve:
•
The vertical scale represents the sound level expressed in decibels (dB).
•
The horizontal scale represents the frequency range expressed in Hertz (Hz).
"Room EQ" makes automatic adjustments over a frequency range of 10Hz to 400Hz.
The original signal sent during "Room EQ" measurement, known as pink noise, sweeps across all frequencies
at a constant level, representing a straight line on the response curve. The aim is to ensure that the signal
reproduced after passing through the speaker represents this same straight line, so that sound reproduction
is consistent with the original signal.
However, we are about to discover that the signal reproduced by the speaker is disturbed by various ele-
ments, which have a considerable impact on sound reproduction, independently of your speaker's original
performance. Your CAPELLA system has some powerful patches to address this.
"Manual EQ" acts over the entire audible frequency range, i.e. from 20Hz to 20kHz, 20Hz corresponding
to low frequencies and 20kHz to high frequencies. Between the two lie a multitude of nuances and details,
including the midrange frequencies associated with vocals. We will explain later on what these frequencies
represent, to give you a clear guide when you use "Manual EQ" for your final adjustments.
The CAPELLA app can be used to perform an acoustic calibration of
your system, followed by various sound adjustments. CAPELLA is an intel-
ligent audio system that adapts to your environment, while giving you the
freedom to make precise adjustments to match your personal preferences.
The factory settings of your speakers make full use of your system's po-
tential; they are configured in a wide mode with no limitations. To personalize
your listening experience, we recommend the following settings.
Acoustic calibration of the system is carried out in two stages:
•
"Room EQ" to compensate for any flaws specific to your room.
•
"Manual EQ" for sound adjustment with various filter tools.
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