- Product: APU Dynamics Optimizer
- Developer: APU Software
- Type: Loudness optimization tool
- Version: 5.7.8
- Format: Standalone, VST3, AU, AAX
- Requirements: Windows 10 or later, macOS 10.14 or later
APU Dynamics Optimizer helps you reshape the dynamics of a finished mix, podcast, or other recording. It analyzes the complete file before processing, so adjustments can account for the loudness range of the whole recording.
Choose a target loudness range and distribution: uniform, normal, the shape of the source, or another file as a reference.
The analysis lets the optimizer vary compression and expansion across the file’s loudness range. Listen while adjusting the target range, distribution shape, attack, and release, then export a 32-bit float WAV at the original sample rate.
- Distribution modes: Uniform, Normal (with skew), Source-match, and Reference-match.
- Loudness types: LUFS (Momentary, Short-term, Integrated), RMS, Peak, and True Peak.
- Multi-channel: Supports stereo, surround, and Dolby Atmos® formats.
- Weighting curves: K-weighting, ECMA-418, ITU-R 468, A-weighting, C-weighting.
- Built-in limiter: Configurable look-ahead with Peak or True Peak mode.
The current release is a standalone application. It analyzes the file before processing begins. Learn more.