rePhase ~ Loudspeaker Phase Linearization

rePhase is a FIR generation tool for building fully linear-phase active crossovers with arbitrary slopes.

It also let you manually compensate for the phase shifts of your loudspeakers and existing crossovers, be it active or passive.

Once generated, the FIR can be applied using any hardware (openDRC, miniSHARC, Najda, …) or software (foobar, convolver, JRiver, …), stereo or multi-way convolution engine.

Website

Additional resources:

Equalizer APO, REW and Rephase WOW! ~ diyAudio

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Equalizer APO ~ A Windows System Equalizer

Equalizer APO is a parametric / graphic equalizer for Windows. It is implemented as an Audio Processing Object (APO) for the system effect infrastructure introduced with Windows Vista.

Features:

  • virtually unlimited number of filters
  • works on any number of channels
  • very low latency, which makes it suited for interactive applications
  • low CPU usage
  • modular graphical user interface
  • VST plugin support
  • integrates into Voicemeeter (http://www.voicemeeter.com/)

Equalizer APO is best used in conjunction with Room EQ Wizard (http://www.roomeqwizard.com/ ), because it can read its filter text file format.

equalizer apo

SourceForge:

Website
Discussion
Documentation
Downloads

User Interfaces:

Peace Equalizer
EQ APO GUI

Room Equalization Tutorial

REW – Room EQ Wizard – Freeware Acoustic Analysis

aftereq500h

REW is free room acoustics analysis software for measuring and analyzing room and loudspeaker responses. The audio analysis features of REW help you optimize the acoustics of your listening room, studio or home theater and find the best locations for your speakers, subwoofers and listening position.

Website
Download
Forum

Plugin

Convolver – A Convolution Plugin