ALLEN & HEATH XONE 464, Руководство пользователя

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12 XONE:464 User Guide
Adding VCF filter effects . Each side of the crossfader
includes a stereo Voltage Controlled Filter which
presents the DJ with a unique set of live performance
tools to create subtle or startling tonal effects. With the
signal assigned to the Y side of the crossfader, and the
crossfader moved fully to the right, the music is routed to
Mix1 and should be heard on the headphones. Press the
Y FILTER ON switch to route the signal through the
analogue filter section. The blue led lights to show that
the filter is active. Check that the large LPF switch is
illuminated indicating that the power up default lo-pass
filter type is active. The sound should change to a
rumbling bass line with higher frequencies removed.
Sweep the filter frequency . Turn the VCF control
clockwise and you should progressively hear higher
audio frequencies returning to the mix. This control
sweeps the effect from low to high frequency.
Adjust the filter resonance . Slowly turn the
RESONANCE control clockwise as you sweep the
frequency and you should hear the ‘Q’ or ‘sharpness’ of
the effect changing from subtle to drastic as the roll-off
knee sharpens and frequency boost is added.
Increasing resonance boosts a narrow band of
selected frequencies. Make sure you reduce the
channel gain if the red peak meters start to flash.
Change the filter type . Press one or any combination
of the large HPF, BPF and LPF filter type switches to
experiment with different performance effects. For
example pressing HPF and LPF together produces a
notch effect. Once you are familiar with the creative
power of these filters you can apply them to your
performance. More information is available later.
Experiment with the microphone source . Finish off by
trying a microphone channel. Stop the CD and pull CH5
fader down. Next, press CH1 CUE and talk into the mic.
Gradually increase the mic GAIN control until the monitor
meters read an average 0dB for normal vocal level. You
should also hear yourself through the headphones.
Check the effect of the 100Hz lo-cut filter . Press this
switch to remove low frequencies below 100Hz. It is
standard practice to switch this in when working with
vocal mics as this effectively removes the proximity
‘popping’ effect when close miking.
Check the effect of the mic EQ . Experiment with the
EQ to learn what effect these controls have on the sound.
Unlike the stereo channel EQ, this is intended for
‘corrective’ equalisation such as smoothing out poor mic
response, brightening up the sound to make it more
intelligible, or dealing with problem feedback frequencies.
It is not usual to use this EQ as a live effect as you would
the stereo channel. It is good practice to start with the
controls flat and use only as much EQ as is really
needed, cutting rather than boosting frequencies.
Now… continue to read through the rest of this User
Guide.