User’s Manual Pulse • PulsePlus
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8. Sound Parameters
8.1 Overview of Functions
The Waldorf Pulse consists of numerous sound-shaping components. The following
overview gives you an idea of how the individual components interact:
Diagram 4: Block schematic diagram for the Pulse
As you can see, the Pulse consists of two different types of components for sound
generation and sound shaping:
• Oscillators, mixer, filter, VCA.
Sound generation actually occurs within the oscillators. They produce square,
sawtooth and triangular waveshapes. The mixer follows the oscillators in the signal
chain, which is where the oscillators' output signals are mixed. Pink noise can also
be added to the mix. The filter then shapes the sound by amplifying (boosting) or
attenuating (dampening) certain frequencies. The VCA is located at the end of the
signal chain. It is an amplifier that determines the overall volume and position of
the signal within the stereo panorama.
• Modulators: LFOs, Modulation Matrix, Envelopes.
The modulators are designed to manipulate or modulate the sound generating
components to add dynamics to sounds. The low-frequency oscillators (LFOs) are
designed for periodic or recurring waveshapes and envelopes for modulations that
occur once within a given time frame. These generators are assigned to parameters
via the modulation matrix and influence these parameters to alter a sound.
Available modulations include pitch, waveshape, volume, filter settings, etc.
On the Pulse Plus, you can feed in an additional audio signal.
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