Voxengo Span Plus [win] -

: By default, SPAN Plus uses a 4.5 dB per octave slope. This is widely considered the "golden standard" because it makes a balanced mix look relatively flat, making it easier to spot outliers.

: Maximize your visual real estate. This mode hides meters and statistics to give you a massive, detailed look at your frequency response. Pro Tips for Better Mixing Voxengo SPAN Plus [WiN]

: Use the Mid-Side (M/S) analysis mode to see if your stereo width is causing phase issues or if your "sides" are cluttering the low-mid frequencies. Compatibility & Technical Specs : By default, SPAN Plus uses a 4