(Focusing on Distorted Percussive Sounds, Aggressive Basslines, and Atmospheric Pads)
The 2hp Swarm is a compact but highly-featured "hyper oscillator" module capable of super-saw and super-pulse sounds through the layering and detuning of up to 88 oscillators. Below are advanced modulation approaches for sculpting unique textures for different musical contexts:
Techniques:
- Low Voice Count, Extreme Detune:
Turn the VOICES knob counter-clockwise for only 1–5 oscillators and push DETUNE into the "chaotic" range. This creates inharmonic, clangorous timbres perfect for metallic or bell-like percussion.
- Transient Modulation:
Use a short, snappy envelope or trigger (from an EG, function generator, or sequencer) into the FREQ CV. This "pings" the pitch, turning the Swarm into a percussive voice.
- Waveform Alternation:
Use the Wave Toggle to switch between sawtooth and pulse. Pulses can produce sharper transients—ideal for snares, claps, or hi-hats when combined with high detune.
- Patch Through Distortion/Lo-Fi:
The manual recommends the 2hp Lo-Fi for digital crunch; patch Swarm’s output into Lo-Fi for glitchy, crushed percussion.
- Extreme CV Detune Hits:
Use a random voltage or an LFO with extreme range into DETUNE CV. Rapid, wide detune bursts create stuttering, buzzing drum hits.
Example Patch:
- Attack envelope into FREQ CV
- Random stepped LFO into DETUNE CV
- Swarm out → Lo-Fi → VCA → Mixer/FX
Techniques:
- Many Voices, Heavy Detune:
Set VOICES to 20–40. Dial DETUNE to taste—first half for thick, tight bass; second half for formant-like or tearing dubstep sounds.
- VCO Modulation:
Modulate FREQ CV with an envelope for pitch drops or a synced LFO for vibrato/wobble effects.
- Waveform Blending:
Experiment with both waveforms:
- Saw for thick, Reese-style sub-basses
- Pulse for squelchy mid-basses (especially with resonance in downstream filtering)
- Aggressive Filter Mod:
Pair with the 2hp MMF filter. Use high resonance and modulate the filter with envelopes or audio-rate LFOs for dynamic movement characteristic of "wobble bass."
- Parallel VCA Control:
Route a secondary VCA to modulate the amplitude of Swarm’s DETUNE or VOICES CV, creating evolving, morphing bass textures.
Example Patch:
- Envelope to FREQ CV (for pitch envelope)
- LFO to DETUNE CV
- Sequencer CV to VOICES CV
- Swarm out → MMF (filter modulated by LFO) → VCA (envelope controlled) → Output
Techniques:
- Max Voices, Subtle Detune:
Set VOICES knob fully clockwise for the max 88 (Saw) or 55 (Pulse) oscillators. Set DETUNE to a sweet spot—first half for lush, analog drift; slightly more for eerie, chorused textures.
- Slow LFO/Envelope Modulation:
Slowly modulate DETUNE and/or VOICES with LFOs for evolving pads. Sample & hold or random LFOs can add organic instability.
- Expressive FREQ CV:
Modulate FREQ with attenuated, slow LFOs or aftertouch CV for drifting, emotional pitch movement.
- Processing After Swarm:
Use heavy reverb and delay. Pairing with 2hp MMF lets you sculpt pads via gentle high-pass, band-pass, or low-pass filtering, dynamically shifting their spectral character.
- Crossfade Saw/Pulse:
Manually switch between waveforms during a performance, or use a sequential switch module to automate moves for evolving timbres.
Example Patch:
- Slow triangle LFO to DETUNE CV
- Random LFO to VOICES CV
- Swarm out → MMF → Big reverb/delay → VCA (modulated by envelope for pad articulation)
For detailed specs and further patching suggestions, check out the full 2hp Swarm Manual PDF.