Poseidon Sound Design

Rhythm Page

Estimated reading: 3 minutes

The rhythm page is split up into two sections. 

‘Filters’ allows you to add pulsing and other rhythmic manipulations to your layers.

The second section, ‘Source’, allows you to sequence short articulations together into complex patterns which can be triggered by holding down a note on your keyboard.

Filters

This part of the interface is split in two, and gives you granular control over the order in which filters are processed in the signal chain. 

PRE-FX refers to filters applied before the effects from the ‘FX’ page. 

POST-FX refers to filters applied after the effects from the ‘FX’ page.

Clicking the ‘Filter’ radio button will enable the filter. Without turning on ‘Seq’ (Sequencer) this will act as a standard additional filter within the instrument.

Enabling ‘Seq’ will allow various parameters of the filter to be modulated in a rhythmic pattern.

Cutoff: The maximum cutoff frequency of the low pass filter used within this page. When the filter table slot is at maximum this is the cutoff value which will be used.

Steps: This amount of steps from the filter table which will be used when ‘Seq’ is enabled – read from left to right.

Res: The amount of resonance (boost at the cutoff frequency) of the filter.

The PRE/POST-FX filter can also have its cutoff modulated based on a LFO with a range of controls to create unique waveforms. The dropdown menu above each control provides a variety of presets to help you get started.

Source

The source tab within the Rhythm engine allows you to create intricate sequences through the creation of rhythmic patterns.

The table at the top allows the velocity to be altered for each step in the sequence. Underneath, the following controls allow for more control as to how each step is performed:

Steps: The amount of steps in the sequence which are used when the source engine is turned on.

1/8 Dropdown: This allows you to set the note value used by each step of the sequencer. This will be synced with your host BPM.

Shortness: This allows you to alter the length of each step in the sequencer. For example, 50% on an 1/8th note sequence will play a note the length of a 16th note.

Various parameters have their own LFO within the source section of the interface. These have a range of controls to create unique waveforms which will alter these parameters once the sequence is triggered. The dropdown menu above each control provides a variety of presets to help you get started. 

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