Overtone GEQ is a free 7-band harmonic (overtone) graphic equalizer AudioUnit, AAX, and VST plugin with multi-channel operation support (supporting up to 8 input/output channels, audio host application-dependent). Overtone GEQ offers extensive internal channel routing capabilities, and supports mid/side channel processing.
Beside equalizing, Overtone GEQ applies harmonic enhancement: it uses 7 harmonic enhancement modules, one for each EQ band. This generates a complex harmonic coloration you will probably like a lot.
Overtone GEQ was designed to allow audio engineers to apply quick EQ shape adjustments together with adding a bit of harmonic richness to the audio material (mainly mixes and sub-mixes due to a comparably high load this EQ puts on a CPU).
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7-band graphic equalizing
+/- 12 dB gain range per band
2 graphic equalizer views
Complex harmonic coloration
Stereo and multi-channel processing
Internal channel routing
Up to 8x oversampling
64-bit floating point processing
Contextual hint messages
All sample rates support
Zero processing latency
User interface color schemes
Resizable user interface
Retina and HighDPI support
This audio plugin can be loaded in any audio host application that conforms to the AudioUnit, AAX, or VST plugin specification.
This plugin is compatible with Windows (32- and 64-bit Windows XP, Vista, 7, 8, 10 and later version, if not announced as unsupported) and macOS (10.11 and later version, if not announced as unsupported) computers (2.5 GHz dual-core or faster processor with at least 4 GB of system RAM required). A separate binary distribution file is available for each target computer platform and audio plugin specification. If supported on a specific processor, the plugin may internally utilize AVX2-optimized code. Apple Silicon native, Big Sur, and Monterey are supported.