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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.
Requirements:
- Windows Vista or later (Windows 7 - 11 have been tested)
- CPU architecture x64 (64 bit), x86 (32 bit) or ARM64 (on Windows 10/11)
- applications must not bypass the system effect infrastructure
(APIs like ASIO or WASAPI exclusive mode can't be used)
Equalizer APO can be 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
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/)
Project Samples
License
GNU General Public License version 2.0 (GPLv2)Follow Equalizer APO
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User Reviews
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I love almost everything about Equalizer APO; it's been the solution to many of my problems involving audio. The only thing I wish it had was compatibility with NS1 Noise Suppressor; more specifically, I wish it worked with Waves' WaveShell System. I recently paid for the NS1 Noise Suppressor, thinking I could add it to my microphone, but I found out that adding the .dll file didn't work because "Library could not be loaded." As stated before, Equalizer APO is amazing, and the only issue is compatibility with VST3 plugins.
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No Windows OS is complete without it, especially if you care about audio and now finally with Dark Mode support. Highly recommended!
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Good
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I don't know what "artemd" is talking about. Equalizer APO ist free! I couldn't even find a way to thank the developer by sending some money. This is a great software! I do have a problem with high frequencies being too loud/strong for me in digital crystal-clear audio. I searched a way to add "SN03G Tape Emulation by Sender Spike" system-wide to my Windows11 machine. Equalizer APO does the job perfectly! If you are interested in SN03G: it's free - you will find it in the internet, but be aware that you must install the "Redistributable Package for Visual Studio 2013" otherwise it won't work. This also can be downloaded for free.
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I discovered this app recently and donwloaded the free trial version, after using that for a couple of hours I bought the full 1.4.1 version. With my EQ I improved the sound of my speakers so much, later I discoverd that my Bluetooth headphones, earbuds don't work if the EQ is on. Approximately a week later the 1.4.2 update came out and fixed this problem! Now It's perfect. I definitely recommend this app. Easy to use, great sound.