ARIA ONE is a sound personalization app built from your unique hearing profile.
Take the FullScale hearing test — a full-spectrum assessment mapping up to 37 frequencies per ear. Choose Instant, Quick Results, or Full Accuracy pathways. Complete a profile in as little as 8 minutes. Your hearing profile directly powers correction, limiter behavior, presets, and your personalized listening workflow.
Three macro controls — Drive, Intensity, and Smoothing — shape the character of your sound. Three mood presets — Calm, Natural, and Intense — switch your full DSP state with a single tap. Play your own music library through your personalized DSP chain with the built-in audio player.
ARIA AI gives you access to the full parameter space without touching a single knob. Describe what you want — "make the bass warmer," "tighten the transients," "reduce harshness" — and the AI adjusts one or many parameters at once across correction, dynamics, drive, and limiting. Choose Standard, Fine Tune, or Thinking agents depending on how broad or surgical you want the changes. Keep refining over time instead of learning the parameter space yourself.
Presets, hearing profiles, and mood assignments sync across your devices. Use the Advanced View on Mac or Windows to fine-tune your sound with 400+ parameters, then push your presets and moods directly to your phone. Check out a mobile device remotely, dial in its settings from the full desktop interface, and commit changes back.
On desktop, ARIA ONE is available as a standalone app and VST3/AUv3 plugin with eight graphing windows and ITU-R BS.1770 loudness metering.
Part of the Altitude personalization ecosystem: FullScale, ARIA Studio, Absolute Zero, and Crossfeed.
FEATURES
Hearing Test
• FullScale hearing test — full-spectrum, 125 Hz to 20 kHz
• Up to 37 frequencies per ear
• Three pathways: Full Accuracy, Quick Results, Instant
• Demographic-based average profiles for instant demo
• Test history and result export
Sound Personalization
• High-resolution hearing correction from FIR filters
• Adaptive multi-stage lookahead limiting
• Four limiter algorithms
• Dual-pass dynamics processing
• Input adaptive gain normalization
Controls
• Three macro sliders with curve-to-parameter mapping
• Two macro toggle switches
• Mood presets: Calm, Natural, Intense
• One-tap mood switching with full DSP state swap
• Bypass toggle and Crossfeed toggle
Audio Player
• Built-in player with playlist management
• Library browser with import and song actions
• Playback queue with drag reorder
• Saved playlists with create, rename, sort
• Now Playing strip with transport, seek, repeat, shuffle
• Dual-source playback: internal player or system audio
AI Personalization
• Natural language control over the full parameter space
• Adjusts correction, dynamics, drive, macros, and limiting
• Four AI agents: Standard, Fine Tune, Thinking, Legacy
• Device-specific AI-generated live presets
• Iterative refinement — keep shaping your sound over time
Sync & Devices
• Cloud sync for profiles, presets, and mood assignments
• Per-device mood preset management
• Remote device checkout and commit
• Copy and paste moods between devices
• Cross-product sync with Absolute Zero
• One-way export to ARIA Studio
Preset System
• Meta, Full, Limiter, EQ, Macro, and Adaptive Input presets
• Factory and user preset libraries
• Preset browser with category navigation
Desktop Advanced View (Mac & Windows)
• 400+ DSP parameters
• EQ correction curves with multiband EQ overlay
• Stereo processing: Mid/Side, LR, width, crossfeed
• Macro assignment panel with curve editor
• Eight standalone graphing windows
• Vectorscope, Polar Sample, Polar Level, FFT, Waveform
• ITU-R BS.1770 loudness metering
• VST3 and AUv3 plugin formats
Onboarding
• Guided seven-phase setup flow
• Audio verification and volume calibration
• AI-assisted demonstration
Localization
• English, German, Spanish, French, Japanese, Portuguese, Russian
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