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VIRTUALIZER PRO DSP2024P
PING PONG: A delay effect with changing stereo positioning, where the time intervals between the repetitions
can be changed.
Tab. 2.2: Functioning of the delay effects’ parameters
2.3 Modulation and Pitch Shifter effects
FLANGER: The word “flange” means “tape spool”, and this explains the characteristics of the effect. Originally
the flanger effect was generated with two tape recorders which ran synchronously. The same audio signal was
recorded on both machines. If you put a finger on the left spool of one of the machines, the spool and the
playback speed are slowed down. The generated delay results in phase shifting of the signals. Vintage
Flanger simulates a guitar flanger effect pedal and Jet Stream Flanger sounds like a classic analog flanger.
CHORUS: This effect slightly detunes the original signal. A very pleasant detune effect is created in connection
with the pitch variation. The chorus effect is quite often and extensively used for dispersing signals. Analog
Chorus simulates a guitar chorus effect pedal, while Vintage Chorus imitates a classic analog studio chorus.
Ultra Chorus creates the sound of an eight-person vocal chorus.
PHASER: With the phaser, a second, phase shifted signal is added to the original audio signal. The resulting
sound is thicker and above all livelier. This effect is often used for guitar sounds and keyboards. In the 70s, it
was also extensively used for other instruments like electric pianos. Here, Vintage Phaser represents a guitar
phaser effect pedal. Dual Phaser processes the left and the right channels separately.
ROTARY: The simulation of a classic effect that is normally generated with a very heavy enclosure with a (slow
or fast) rotating speaker: The bass speaker (drum) is covered by a partly opened rotating cap, while both of the
high pitch horns (horn), displaced by 180°, revolve around the same perpendicular axis. Here, the physical
principle of the Doppler effect for modulation of signals is used.
PITCH SHIFTER: This effect changes the pitch of the input signal. You can generate musical intervals and
harmonies or simply a single voice. Detuning by several semitones upward alienates voices (and is used often
in cartoons). Here, you can choose among a stereo, two, and three vocal pitch shifter. At the left stop of Edit
C the pitch shifters 1 and 2 are synchronized to a stereo pitch shifter. Pitch shifter 3 can be switched off by
turning Edit E fully counterclockwise.
VIBRATO: For this effect, the peak frequency of a tone is periodically and uniformly changed (quickly or
slowly). It is often used for guitar playing.
TREMOLO: This effect was originally found on guitar amplifiers, and is once again trendy. It is a fast or slow
periodic variation of the volume.
2. EFFECTS ALGORITHMS