Using Audio Hardware Acceleration: You might think that using Hardware Acceleration for Audio Enhancement is a good idea.

If this is the case, then the Equalizer will not work.

Antivirus and/or Firewall is Blocking it: Antivirus or Firewall might see some software as a threat and blocks access.

If you disabled these enhancements, then the Equalizer APO might not work.

You Disabled Audio Enhancements: Audio Enhancements are Microsoft’s way of proving some form of customization to its basic audio settings.

The installation mode that you selected while installing might be not suitable for your system.

Problem with the Installation Mode: You can install the Equalizer APO in three modes.While this may seem okay, this is one of the main reasons for instabilities in Audio Processing and Equalizer APO not working. Incompatibility with Sound Card: If you are using a specialty Sound Card in your system, then the Equalizer APO tries not to mess with the APOs of the sound card and its driver.Let us quickly explore some common reasons why the Equalizer APO stopped working. Are you facing a similar issue? Is the Equalizer APO not working on your system? Several users reported about Equalizer APO Not Working on Reddit and even on the official SourceForge comments pages.

One such problem is that is stops working altogether. Is Equalizer APO Not Working?Ĭoming to the main topic, the Equalizer APO, despite being a simple and open-source software to customize your audio, has some problems. If you are interested, then we can make a dedicated tutorial or guide on installing and configuring the Equalizer APO. There are several more features of the Equalizer APO that you can explore in the official SourceForge link. Speaking of features, here are some important ones: It is an open-source software with several useful features. Jonas Thedering developed the Equalizer APO, a graphical equalizer for Windows in the form of APO (Audio Processing Object). While Windows has a basic set of APOs, it also allows custom APOs from audio hardware manufacturers and third-party developers to enhance the sound experience with additional audio effects. These “ effects” can be equalizers, Automatic Gain Control (AGC), Echo Cancellation, Reverb, etc.

It is a software-based digital signal processing (DSP) solution to provide special audio effects. With Windows Vista, Microsoft introduced Audio Processing Objects (APO). Make An Exception For Equalizer APO In Antivirus And/or Firewall How To Fix Equalizer APO Not Working Issue?.

Equalizer apo 1.2.1