Open the or File menu and look for the Matrix button.
HQPlayer performs its DSP computations using 64-bit or 84-bit floating-point precision (depending on the pipeline and settings). This ensures that rounding errors are pushed far below the audible noise floor.
Depending on how you configure your filters or convolution matrices, you can choose how the software handles phase response.
Let’s say your speakers are too close to the wall, causing a 12 dB peak at 80 Hz. Here is how to fix it with the HQPlayer equalizer.