Filters, The blocks, Resonance – TC Electronic FireworX User Manual

Page 53: Bandpass

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51

Filters

Number of blocks: 1
Processing power: 11-45% per block
The Filter block contains five sub-algorithms: Resonance,
Bandpass, Phaser, Resonator and Resochord.
These sub-algorithms are capable of performing a wide
variety of effects that can be controlled in real time by
External or Internal modifiers using the Modifier Matrix.

Resonance

The Resonance filters consist of a high and low cut filter that
can be swept up and down the frequency range. When the
Resonance (Q-factor) parameter is increased, the filters peak
at the cutoff frequency gets very narrow and very steep. That
is the very core of the characteristic sound of Resonance
filters. The parameters available in the Modifier Matrix are
marked with an asterisk*.

NOTE: The peak of the filters can get very loud and can
easily reach the internal headroom, thereby causing
distortion. To prevent that, turn down the input level of the
Filter block.

RESONANCE

Order
The Order parameter of the Resonance filters changes the
steepness of the filters. 2nd order filters are 12dB/Octave
while 4th order are 24dB/Octave. 4th order filters will “ring”
or resonate more than 2nd order filters.
Locut Freq*
Sets the frequency of the Locut Resonance filter.
Range 20Hz-5kHz.

Hicut Freq*
Sets the frequency of the Hicut Resonance filter.
Range 150Hz-15kHz
Lo Resonance*
Sets the amount of Resonance on the Locut filter.
Hi Resonance*
Sets the amount of Resonance on the Hicut filter.

Connect an LFO or an expression pedal to the
two frequency parameters using the Modifier Matrix.

Mix*
Mixes between direct sound and effect.

In Level*
Controls the input level of the block.

Out Level*
Controls the output level of the block.

Bandpass

The Bandpass algorithm contains two bands with a filter for
left and right. Bandpass in general is a filter that will only
pass the frequencies of the bands center frequencies. The
parameters available in the Modifier Matrix are marked with
an asterisk*.

NOTE: The peak of the filters can get very loud and can
easily reach the internal headroom, thereby causing
distortion. To prevent that, turn down the input level of the
Filter block.

BANDPASS

Bands used
Sets whether you are using only the first or both bands.
First band left freq*
The first band’s frequency of the left channel.
Range: 20Hz-16kHz.
First band left bandwidth*
The bandwidth of the first band’s left filter. The bandwidth is
described in octaves.
Range: 0.05-2.5 octaves

THE BLOCKS

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