Delta Sound Labs has released Stream Pro, a granular synthesis plugin for composers, producers, and sound designers who want to turn their own audio into playable instruments and evolving textures.
Shape pads and atmospheres in Single Mode, or perform your samples across the keyboard in Multi Mode, with polyphonic MIDI control, per-voice effects, and 3D spatial audio.
Stream Pro – Granular Synthesis Plugin
Stream Pro is Delta Sound Labs’ first virtual instrument. The team brings modular hardware concepts to modern software design, building on the foundation of its Stream effects plugin with deeper granular control, keyboard playability, and spatial audio features.
The result is a flexible tool for turning any sound into a dynamic instrument, ambient texture, or animated 3D sonic environment. Start with a recorded instrument, vocal phrase, or field recording, then explore its tone, timing, and movement through granular synthesis.
Two Ways to Work with Your Audio
Single Mode: Evolving Pads, Textures, and Atmospheres
Single Mode lets you turn any sound into evolving pads, textures, and atmospheres. Time and pitch are handled independently, with detailed control over grain behavior and real-time sample scrubbing.
Slow the movement through a recording without lowering its pitch, or explore different pitches while controlling how the texture develops. Scrubbing lets you focus on a particular moment in the source, making it useful for finding a sustained layer within a short recording or developing an atmospheric bed for a cue.
Multi Mode: Play Your Samples Across the Keyboard
Multi Mode makes your samples playable across the keyboard. With polyphonic grain engines, velocity sensitivity, and full MIDI tracking, you can build new instruments from any audio source.
Use it when you want to perform a melody or chord progression with the character of your own recordings. Rather than working only with a continuous texture, you can shape the result through the notes you play and how you play them.
Immersive Spatial Audio
Stream Pro introduces a 3D spatialization engine using Steam Audio’s HRTF technology. In Multi Mode, each note becomes its own spatial object. Position sounds in the stereo field or use binaural processing for a sense of three-dimensional placement over headphones, then animate their movement with orbit, drift, or randomized motion paths.
The spatializer panel gives you direct control over position and movement. Combine spatial motion with an evolving texture, or give individual notes their own place in a granular performance.
Per-Voice Effects and Distortion
Each grain or voice can be shaped with its own effects chain, giving you control over the character of individual notes and the grains that form them:
- Per-Voice Distortion: Give each note its own tonal character.
- Grain-Level Processing: Apply distortion before grains are mixed together.
- Analog-Style and Digital Distortion: Choose different approaches to shaping the sound.
- Distortion with Spatial Motion: Combine changes in tone and position for detailed, moving textures.
Pricing & Availability
Stream Pro is available for macOS, Windows and Linux in VST3, AU and AAX plugin formats for $79.
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