The Acon Digital DeFilter is a VST, AU and AAX 32 and 64-bit plug-in for Mac and Windows. It allows for processing comb filter effects, reducing resonances caused by non-treated rooms, improved speech clarity and intelligibility and it even offers an automatic EQ feature based on a reference signal. Specific profiles are available for music and speech processing and an automatique mode extracts the input signal timbre.
You can use custom curves to correct the levels, this processing is frequency-depended so you can apply corrections to only specific frequency ranges. Another control allows for adjusting the correction filter length between 1 and 20 ms and it’s possible to save these filters and use them as reference for the automatic EQ.
Last, input and output spectrum analyzers will help you visualize the correction consequences. Note that the plug-in supports sample rates up to 96 kHz.
The DeFilter plug-in is available for $99.90 and you can download a trial version from acondigital.com.
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