ModBap meets Noise Engineering: Bi-Fidelity Oscillator & Polyphonic Envelope - A Eurorack Power Duo!

In this article, we explore the powerful combination of the ModBap Modular Osiris Bi-Fidelity Wavetable Oscillator and the Noise Engineering Quantus Trajecta Quad Polyphonic Envelope. The Osiris oscillator offers a wide range of timbre modes and CV modulation capabilities, while the Quantus Trajecta envelope is designed with polyphony in mind, with universal controls for easy adjustment of all four envelopes.

The ModBap Modular Osiris Bi-Fidelity Wavetable Oscillator is a 12hp module that packs a punch. It features 7+ timbre modes, including FM and phase modulation, as well as an independent sub-oscillator and Lo-fi processing. One of the standout features of the Osiris is its extensive CV modulation capabilities, allowing for endless sonic possibilities. The module also comes with a pitch quantizer and the ability to load user wavetables via a micro SD card. With its own free open-source wavetable editor, called OsirisEdit, users have full control over crafting their own unique sounds. Built on the Daisy platform, the Osiris ensures easy updates, speed, and stability. It also offers CV control over all major parameters, a sync button for waveform resetting, a decay parameter, a pitch quantizer, and a VCA with a trig input.

On the other hand, the Noise Engineering Quantus Trajecta Quad Polyphonic Envelope is a module designed specifically with polyphony in mind. Its universal controls adjust all four envelopes simultaneously, making it easy to keep separate voices related on the fly. Inspired by the envelope structure of the Cursus and Loquelic Iteritas Percido, the Quantus Trajecta offers even more shape control with the addition of Tremolo and ADSR modes. This module is both musical and performable, allowing users to create dynamic and expressive patches effortlessly.

In addition to the ModBap Modular Osiris and the Noise Engineering Quantus Trajecta, there are other eurorack modules that complement this power duo. The Therevox Ondes VCO is a re-creation of the original 7th generation Ondes Martenot oscillator. With improvements and additional synth-friendly features, this module brings the legendary sounds of the Ondes Martenot to the eurorack format.

The Verbos Electronics Polyphonic Envelope is a unique set of 4 Attack-Hold-Decay envelope generators. These envelopes can be used together or independently, offering flexibility in patch creation. The module features Cascade logic, allowing the envelopes to trigger sequentially in various modes. Each envelope has its own gate input, CV output, and end pulse output. This module is perfect for creating expressive and evolving polyphonic patches.

Finally, the XAOC Devices Ostankino II expander for the Moskwa II sequencer greatly augments its connectivity. With the ability to use CV to change most parameters, this expander opens up new creative possibilities. It also adds additional outputs, including access to the Leibniz Binary Subsystem, allowing for intricate sequencing options and more complex modulation.

Combining the ModBap Modular Osiris Bi-Fidelity Wavetable Oscillator, the Noise Engineering Quantus Trajecta Quad Polyphonic Envelope, and these other eurorack modules creates a power duo that is perfect for creating dynamic and expressive music. Whether you're looking to explore wavetable synthesis, create polyphonic patches, or dive into complex sequencing, this combination of modules offers the tools you need to bring your ideas to life in the eurorack format.

Example Usage

In this example, we will explore how the ModBap Modular Osiris and the Noise Engineering Quantus Trajecta can be combined in a Eurorack setup.

First, let's use the ModBap Modular Osiris as our main sound source. Patch the pitch output of the Osiris into the 1V/Oct input of the Quantus Trajecta. This will allow the Quantus Trajecta to track the pitch of the Osiris and generate envelopes based on it.

Next, take the output of the Quantus Trajecta's first envelope and patch it into the VCA input of the Osiris. This will control the amplitude of the sound coming from the Osiris.

Now, let's set the parameters on the Quantus Trajecta to shape our envelopes. Use the Attack, Hold, and Decay controls to adjust the envelope shape to your liking. You can also experiment with the Tremolo and ADSR modes to further modulate the envelope.

To add some movement and variation to the envelopes, you can patch the output of the Quantus Trajecta's second envelope into the FM input of the Osiris. This will introduce frequency modulation to the sound and create interesting timbral changes.

Finally, connect the audio output of the Osiris to your mixer or audio interface, and start experimenting with the different controls on both the Osiris and the Quantus Trajecta to create unique and dynamic sounds.

By combining the ModBap Modular Osiris and the Noise Engineering Quantus Trajecta, you can explore a wide range of expressive and evolving sounds in your Eurorack system. Have fun exploring and creating your own sonic adventures!

To create an interesting and intricate sound patch, let's combine the ModBap Modular Osiris, the Noise Engineering Quantus Trajecta, and the Verbos Electronics Polyphonic Envelope.

  1. Connect the output of the ModBap Modular Osiris to the audio input of your mixer or audio interface.
  2. Take the gate output of the Verbos Electronics Polyphonic Envelope and patch it to the trigger input of the ModBap Modular Osiris.
  3. Set the ModBap Modular Osiris to the FM mode and choose a waveform that suits your taste.
  4. Take one of the CV outputs of the Verbos Electronics Polyphonic Envelope and patch it to the FM input of the ModBap Modular Osiris.
  5. Use another CV output from the Verbos Electronics Polyphonic Envelope to modulate the decay parameter of the ModBap Modular Osiris. This will add movement and evolving textures to the sound.
  6. Take the output of the ModBap Modular Osiris and patch it to the input of the Noise Engineering Quantus Trajecta.
  7. Use the controls of the Noise Engineering Quantus Trajecta to shape the envelope of the sound. Experiment with the Attack, Hold, and Decay settings to find the perfect timing for your patches.
  8. Optionally, you can also use the output of the Noise Engineering Quantus Trajecta to trigger other modules in your Eurorack system for further sound exploration.

With this setup, the ModBap Modular Osiris will act as the main sound source, and the Noise Engineering Quantus Trajecta will shape the amplitude envelope of the sound. The Verbos Electronics Polyphonic Envelope will add polyphonic capabilities and cascading effects to create complex and evolving patterns. Experiment with different settings and modulation sources to unleash a wide range of creative possibilities.

Further Thoughts

In this ModBap meets Noise Engineering article, we will explore the powerful combination of the Bi-Fidelity Oscillator (Osiris) from ModBap Modular and the Polyphonic Envelope from Verbos Electronics. These Eurorack modules come together to create a dynamic and versatile power duo that opens up a world of possibilities for sound design and performance.

The Bi-Fidelity Oscillator, Osiris, is a compact 12hp wavetable oscillator packed with features. It offers 7+ timbre modes, including FM and phase modulation, as well as an independent sub-oscillator. With extensive CV modulation capabilities, a pitch quantizer, and the ability to load user wavetables, Osiris provides endless sonic exploration. The built-in free open-source wavetable editor, OsirisEdit, allows users to create and customize their own unique wavetables. With CV control over all major parameters, a sync button for wave reset, and a decay parameter, Osiris offers flexibility and precision in shaping sounds.

To complement the Bi-Fidelity Oscillator, we introduce the Polyphonic Envelope from Verbos Electronics. This module consists of 4 Attack-Hold-Decay envelope generators that can be used together or independently. The unique Cascade logic feature enables the 4 envelopes to trigger sequentially in 3 modes, allowing for complex and evolving envelope patterns. Each envelope has its own gate input, CV output, and end pulse output, making it ideal for polyphonic patches or combinations with the Cascade function. Skew controls offer the ability to change the times of each envelope, adding further dynamics to your sound. Additionally, all parameters can be voltage controlled, giving you precise control over the shaping of your sound.

Combining the Bi-Fidelity Oscillator and the Polyphonic Envelope opens up a world of possibilities for creating intricate, evolving, and expressive sounds. For example, you can use the Polyphonic Envelope to modulate the timbre and FM parameters of the Bi-Fidelity Oscillator, creating rich and evolving textures. The CV outputs from the Polyphonic Envelope can also be used to control other parameters in your modular setup, such as filter cutoff or LFO rate, adding further layers of modulation and complexity to your sound design.

Whether you're creating complex and evolving pads, rhythmic sequences, or experimental soundscapes, the combination of the Bi-Fidelity Oscillator and the Polyphonic Envelope provides a powerful toolkit for your Eurorack setup. Let your creativity run wild and explore the sonic possibilities that this power duo has to offer.

Stay tuned for more articles in our ModBap meets series, where we explore exciting combinations of Eurorack modules to inspire your music-making journey.

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