The Arturia MicroFreak is often celebrated for its "freaky" digital nature—its ability to produce glitchy textures, paraphonic sequences, and biting leads. However, beneath its experimental exterior lies the soul of a cinematic powerhouse. To create Obsidian Tide, we didn't just want a "dark pad"; we wanted an evolving, breathing ecosystem of sound that mimics the crushing weight of a deep-sea current.

By leveraging the MicroFreak’s unique digitally-controlled analog architecture, we can bridge the gap between cold, algorithmic precision and warm, organic unpredictability. Here is the architectural logic behind the settings of Obsidian Tide.

The Core: Why PI.Modal?

For a cinematic sound, the choice of oscillator engine is everything. While BasicWaves or Virtual Analog (PI.VA)provide classic warmth, they are often too static for modern scoring. We chose the Modal Resonator (PI.Modal), an engine developed by Mutable Instruments and implemented in the MicroFreak.

A modal resonator works by imitating how physical objects respond to being hit or excited. It generates a complex harmonic structure that feels "real" because it mimics the damping and inharmonicity of physical materials.

• Wave (Inharmonicity) at 25: We kept this low to maintain a sense of pitch and tonal foundation, ensuring the pad remains musical rather than turning into pure metallic noise.
• Timbre (Excitation) at 45: This adds just enough "brightness" to the initial strike to give the pad a presence in the mix without making it harsh.

• Shape (Damping) at 85: This is the secret to a long, atmospheric tail. High damping values in this engine actually allow for longer decay times, creating the "tide" effect where sounds wash over one another.

Sculpting the Darkness: The Analog Filter

The MicroFreak’s 12dB Low Pass Filter is the "magnifying glass" of the instrument. For a cinematic dark pad, we set the Cutoff to 450Hz. This removes the piercing high frequencies of the digital engine, leaving behind a warm, low-mid rumble that feels heavy and ominous.

We chose a Resonance of 25% to give the filter a slight "ring" or focus without causing it to self-oscillate, which would be too distracting for a background texture. This setting ensures that as we modulate the filter later, the movement is audible but subtle.

Movement and Life: Modulation Logic

A cinematic sound is never still. If a pad doesn't move, it isn't cinematic; it's a drone. To achieve this, we utilized the Modulation Matrix, the electronic patchbay that allows us to override standard signal flows.

The LFO Breathing

We set a Sine LFO to a very slow 0.15Hz rate. By routing LFO -> Timbre (+15), the "brightness" of the modal resonator slowly ebbs and flows. It’s a movement so slow that the listener doesn't hear a "waver," but rather a sound that seems to be breathing.

The Cycling Envelope as a "Chaos Agent"

The Cycling Envelope is perhaps the MicroFreak’s most powerful modulation tool. We set it to Run Mode, turning it into a complex, free-running LFO.

• Rise (4.0s) and Fall (8.0s): These long, asymmetrical times create a non-linear movement that a standard LFO cannot replicate.

• CycEnv -> Cutoff (+25): This creates a slow, sweeping "filter bloom." As the pad is held, the darkness occasionally parts to reveal more harmonic detail before submerging again.

• The "Modulation of Modulation": We routed CycEnv -> Assign 2 (set to CycEnv Fall) at -20. This is a circular routing where the envelope controls its own speed. As the envelope rises, it actually shortens or lengthens its own fall time, making the rhythm of the "tide" unpredictable and organic.

Expression: The Touch Interface

Cinematic music is about emotion, and emotion requires human input. The MicroFreak’s touch capacitive keyboard is the perfect tool for this, as it responds to the amount of skin contact (pressure) rather than just a mechanical spring.

• Pressure -> Shape (+40): In the PI.Modal engine, Shape controls damping. By mapping pressure to this, the player can "open" the sound by pressing harder (placing more finger surface on the key). This allows the performer to manually crescendo the texture during a poignant moment in a film scene.
• Amp Mod: ON: We enabled this so that the Standard Envelope (with its slow 2.5s attack) controls the internal VCA. This prevents the sound from having a "clicky" or abrupt start, ensuring every note enters like a ghost appearing from the fog.

Final Performance Tips

To get the most out of Obsidian Tide, remember that the MicroFreak is paraphonic. While all voices share the same analog filter, they have individual digital envelopes for volume. When you play a low, three-note chord, each note will swell in at slightly different times depending on your touch, creating a thick, orchestral wall of sound.

Note on Grounding: Because the keyboard is capacitive, ensure you are using the provided 12V DC power supply. If you are running off a power bank and the pressure feels "jumpy," the unit likely needs a better ground connection to properly register your finger's electrical circuit.

Obsidian Tide is more than a preset; it is a demonstration of how the MicroFreak can step out of the laboratory and onto the scoring stage. By combining physical modeling, circular modulation, and expressive touch, we've created a sound that is as deep and dark as the abyss itself.

*Please not a healthy dose of valhalla's futureverb was used!

Consolidated Recipe:

Category: Pad | Paraphony: ON | Amp Mod: ON Oscillator (PI.Modal): Wave: 25 | Timbre: 45 | Shape: 85 Filter (LPF): Cutoff: 450Hz | Res: 25% LFO: Shape: Sine | Sync: OFF | Rate: 0.15Hz CycEnv: Mode: Run | Rise: 4.0s | Fall: 8.0s | Hold: 50 | Amt: 40 Envelope: Att: 2.5s | Dec: 5.0s | Sus: 80% | Filt Amt: +35 

Matrix:

• LFO -> Timbre (+15)
• CycEnv -> Cutoff (+25)
• Pressure -> Shape (+40)
• Key/Arp -> Assign 1 (+10) (Assign 1 to Oscillator Type)
• CycEnv -> Assign 2 (-20) (Assign 2 to CycEnv Fall