Don't just add Fresh Air. Sometimes, subtract first. Use a digital EQ to cut 4kHz by 3dB (a harsh frequency for human hearing). Then insert Fresh Air and boost the High knob. The plugin will now enhance only the musical harmonics above 10kHz, leaving the harsh mid-range untouched.
Rebuttal: If you A/B a high shelf (e.g., Pro-Q 3) and Fresh Air, the difference is night and day. A high shelf adds volume. Fresh Air adds texture . It saturates the air frequencies, making them dense, not just loud. slate digital fresh air
If you haven't downloaded it yet, stop reading this article and go to the Slate Digital website. Install the All Access Pass installer (you do not need a subscription to keep the free plugin), claim your license, and put on your master bus. Don't just add Fresh Air