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/)

Requirements:
- Windows Vista or later (currently only Windows 7, 8, 8.1 and 10 have been tested)
- the application must not bypass the system effect infrastructure
(APIs like ASIO or WASAPI exclusive mode can not be used)

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

Please have a look at the Wiki (http://sourceforge.net/p/equalizerapo/wiki/) for instructions on installation and configuration.

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User Reviews

  • Totally buggy. I had to reinstall my soundcard driver (Realtek).
    1 user found this review helpful.
  • telling me to restart pc when i already did
    1 user found this review helpful.
  • Absolute garbage. Keeps requiring computer restart to install, but never actually installs. Probably a virus. Steer clear! UPDATE: 100% virus; attempted an uninstall, and now unable to play music on computer. Thanks for completely f***ing up my s***, a******s.
  • Causes terrible screeching and inaudible outcomes (regardless of pre-amp or other settings) for the Blackwire 3325.
  • Stop this is ransomware, djavu.
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Additional Project Details

Languages

English, German

Intended Audience

Advanced End Users, End Users/Desktop

User Interface

Non-interactive (Daemon), Qt

Programming Language

C++

Registered

2012-09-13