11.5

Table Of Contents
Tools and wizards 293
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Analog filter 12/24db
Vintage compressor
Synthesis models
The sound synthesis in BeatBox 2 consists of a simple sampler and a
synthesizer which includes three different synthesis modules.
Sampler
The sampler plays short sound recordings ("samples") in different pitches. The
sampler is intended for creating all kinds of drum sounds; the sounds are static
and unnatural if the pitch is not altered. This is why the sampler is combined
with on of the three synthesis models.
Filtered noise
White noise is filtered by two band-pass filters with separately setup
frequencies and resonance. This algorithm is suitable for creating synthetic
snares and high hat sounds.
Phase distortion synth
Two oscillators with regulated phase distortion and thoroughly variable
frequency modulate each other (FM/cross-modulation/ring-modulation).
Depending on the setting, this algorithm can be used to create kick, tom, or
metallic percussion sounds; higher values for frequency and modulation level
produce noisier sounds for high hats or shaker sounds. Since the oscillator
frequency can be set exactly according to the musical pitch, this model can be
used to produce mass lines or melodies.
Physical modeling
This is a simple physical model of an "abstract" percussion instrument. A
fed-back network of delays is caused to oscillate by an impulse of filtered
white noise (exciter). Depending on the setting of the exciter, the size of the
model (surface), and the damping, a wide spectrum of natural sounding
percussion instruments like cymbals, claves, gongs, or triangles can be
created.
Multimode filter/Envelope generator
Following the samplers and synthesizers, an inverse filter (multi-mode filter) is
added to add the last bit of polish to the drum sound. The envelope generator
controls all time-dependent processes in the synthesizer and sampler.
Drum & Bass machine 2.0
The Drum & Bass machine is a dual synthesizer, uniting both distinct styles of
drum’n’bass in one piece of equipment to produce fast beat crashes and