LTO
LTO
TM
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Parameter Menus & System Set-up
Release:
A time value in milliseconds and seconds. This sets how quickly the Dynamic EQ will switch out when the signal
level returns below the Threshold. Set faster for higher frequencies, slower for bass frequencies.
The Attack and Release speeds need to be adjustable in order to avoid any audible pumping that can
sometimes occur on bass frequencies.
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There are several ways in which Dynamic EQ can be applied to improve performance linked to volume level,
but perhaps the most common is to create a Loudness Contour. This is a widely used frequency response
contour that lifts the level of low and high frequencies to compensate for the ear's reduced sensitivity at
low volume. In the car it also greatly helps to counteract the masking effect of road and engine noise. It is
important that the loudness boost reduces as the volume level increases. This can be achieved with the
Dynamic EQ function.
GAIN CONTROL SECTION
:
7
7
TOTAL RECALL has no analog input or output gain controls - output level adjustment is handled entirely in the digital domain.
The input stage will accept a maximum unclipped input level of 2V rms.
Click on one of the virtual output level slide controls with your PC's left mouse button and hold the button down as you move
the virtual slider up or down with your cursor control. Alternatively, you can enter a dB value directly into the text box below
the slider (type a value and then press ENTER).
Clicking on a MUTE button, which will then turn red, will switch out that channel (useful during fault finding and system set
-up). Channel signal PHASE (polarity) can be set to 0 or 180 degrees. This can sometimes improve stereo imaging where
speakers are mounted substantially off-axis. It can also provide a "quick fix" if you find you've wired speakers out of phase!
The input stage of TOTAL RECALL will accept an unbalanced signal that is typical of many aftermarket
head units (CD players etc.). Where you have a requirement to feed a high level, speaker level or balanced
type signal from your head unit, use the optional
Alto Mobile UI-4
universal input interface.
USEFUL
USEFUL
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