Blue Cat Audio has released version 1.9 of FreqAnalyst Multi and StereoScope Multi, two of its flagship audio analysis plug-ins for Windows and Mac.

Blue Cat FreqAnalyst Multi

This update mainly brings to Blue Cat’s FreqAnalyst Multi and Blue Cat’s StereoScope Multi the ability to save difference curves in order to perform comparisons between measurements: the plug-ins are able to compute differences between measurements taken in multiple locations in a digital audio workstation, and it is now possible to save and compare them.

A free tutorial available on the editor’s website ( illustrates this new feature, showing as an example how to emulate the frequency response of a guitar amp cabinet with an equalizer.

Changes in FreqAnalyst Multi / StereoScope Multi v1.9

  • Difference curves can now be saved for easier comparisons and EQ matching tasks.
  • Windows uninstaller now proposes to remove preferences as an option.
  • Misc minor user interface and windows installer changes.

FreqAnalyst Multi and StereoScope Multi are available to purchase for 79 EUR / $99 USD each.

More information: Blue Cat Audio