USER’S MANUAL / bit Tune /
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7. TARGET CURVE
When you start the Processor Auto Setup function
you are prompted to set a Target curve.
The PC software, through the hardware acquisition system connected to the PC via USB, performs the analysis
of the acoustic response of the passenger compartment and sets, using a Target curve, the optimal acoustic
response and time delays that the installed processor will store.
The Target curve is a goal to be achieved taking into account several factors:
A)
Type of vehicle’s passenger compartment.
B)
Type of amplification system installed.
C)
Response of the speakers.
D)
Type of processor installed.
In order to listen to the different target curves it is necessary to allow the bit Tune to program the processor using
its available memories. Sound processing is performed by the processor, following the instructions provided by the
bit Tune.
Description of functions:
1. Setting the Target Curve:
Open the window to select a Target curve:
Flat Curve:
does not apply any equalization, ensuring a linear response that can be measured
instrumentally through the RTA measurement.
Experience suggests that a degree of coloring of the response confers greater pleasantness
to the listening experience. Below are three other Target curves, optimized for a pleasant acoustic
response and which can be chosen according to personal taste.
Custom:
The Target curve can also be modeled at will to allow sound characterization according to personal
listening experience.
During the Auto Eq + Auto Time Alignment procedure you can select two preset target curves
.
The software provides a 31-band graphic equalizer with ± 18 dB gain. The frequencies are equally spaced in
accordance with ISO in 1/3 octave bands from 20 to 20k Hz To be able to vary the parameters of the equalizer,
in order to set a Target equalization curve is possible to act in two ways:
a)
place the mouse on the slider to be set, click the left mouse button and move the cursor to modify the level.
b)
Draw Curve:
Select the
Draw Curve
button, position the mouse over the first slider to the left of the
equalizer, move the sliders to the right modeling the curve at will. After modeling the equalization curve, disable
the
Draw Curve
function button.
Save the curve using the
Save Curve
function.
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