Downloads

Get the latest AL-1 installers for your platform.

AL-1 (macOS)

Universal macOS app (Apple Silicon + Intel).

AL-1 (Windows)

Windows installer (ARM + Intel).

AL-1 Quick Guide

Quick start guide (PDF).

Changelog

v0.1.0-alpha.6 (2025-10-23)

This release focuses on polish and performance: faster and smarter A/B switching, improved latency, intersample‑safe limiting, lower CPU use, and a smoother, more reliable editing experience across all platforms.

  • Smarter snapshot switching: A/B switching is now instant when possible, with seamless transitions and no audible gaps unless latency changes are required.
  • Improved latency handling: AL‑1 now reports latency to the host immediately upon activation, preventing prefixed silence when oversampling is enabled.
  • Enhanced consistency: Unity gain alignment is now perfectly matched across oversampling settings, ensuring identical loudness when toggling OS on/off.
  • Safer limiting: improved internal peak detection for intersample safety and smoother, more stable gain‑reduction metering.
  • Performance boost: lower CPU usage under oversampling and improved efficiency during limiter processing.
  • Refined user input: text‑box edits on gain sliders now commit reliably without being interrupted by background updates.
  • Windows installer reliability: ensures old versions are correctly replaced during updates.
  • Overall stability: improved snapshot transitions, safer thread timing, and cleaner internal synchronization for a smoother experience across sessions.

v0.1.0-alpha.5 (2025-10-21)

A major refinement building on the best aspects of each of the previous alphas, alpha.5 is a landmark release for the AL-1. Alpha.5 introduces a contour section with an all new hybrid engine and smoothing control for an expanded sonic palette. Oversampling has been redesigned from the ground up for increased accuracy in both the frequency and time domains. LUFS metering, full host automation and full Windows 10 support added.

  • New Engine: adds "Hybrid" as the third limiter engine; unified attack mapping across modes. Hybrid combines the best of Discrete and Continuous engines, offering a musical middle ground.
  • Smoothing control: new DSP option that adjusts the gain reduction window for smoother dynamics; log‑mapped knob with fine low‑range precision; normalized 0..1 (0.1% steps). Fully persisted in state/snapshots with seamless legacy migration.
  • UI organization: introduces the “Contour” section that groups Engine → Shape → Smoothing; “Control Mode” is now “Engine,” and “Convergence is now “Smoothing.” Input/Output labels are bolded.
  • LUFS metering: adds integrated and short‑term loudness meters for mastering‑grade loudness control.
  • Host automation: all parameters are automatable across major DAWs. This introduces "click to reset" gestures.
  • Oversampling fidelity: updates the oversampling filters for cleaner transients and deterministic latency.
  • Platform support: adds full Windows 10 compatibility with identical sonic behavior and UI.
  • Stability & reliability: substantially hardens DSP teardown/thread‑safety and improves parameter save/snapshot/load robustness; fixes include ramp clamping under extreme settings, attack recomputation, link velocity defaulting, and sidechain detector gain behavior.
  • Quality assurance: adds a headless JUCE test runner and comprehensive suites covering state round‑trips, snapshots, timing tables, processing invariants, transitions, latency correctness, sidechain routing, unity‑gain behavior, and denormal safety.

v0.1.0-alpha.4 (2025-10-13)

A smarter, more precise, and more controlled version that refines dynamics feel, improves sonic precision, and enhances overall reliability.

BREAKING CHANGE: attack and release times have changed and cannot be mapped to legacy settings due to the new design as the math has been reworked. We recommend updating attack to "Brickwall" in existing sessions as it is the closest to the legacy 34ms setting. As of this version, all planned DSP features are now implemented, with ongoing refinements to follow.

  • Refined dynamics: introduces a new "Control Mode" option. "Discrete" (the default and original design) and "Continuous", offering sonic options for musical movement and precision over transient shaping.
  • Faster workflow: the "Type" knob has been renamed to "Shape" with "I" now called "Arc" and "II" called "S-Curve." "Mode" and "Shape" selectors are now toggle buttons with clearer labels. “Ext. Sidechain” is now “Ext. SC” for brevity.
  • Smarter time behavior: attack and release times are now more responsive and meaningful. The default attack time, “Brickwall,” offers instant, transparent limiting without setup.
  • Sharper fidelity: rebuilt oversampling filters using advanced FIR design for cleaner transients, reduced ringing, and improved phase accuracy. FIR tap selection was removed as the new design offers better performance and stability for all users.
  • Under the hood improvements: numerous refinements to consistency, test coverage, and configuration stability—resulting in a smoother experience overall.