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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Causes terrible screeching and inaudible outcomes (regardless of pre-amp or other settings) for the Blackwire 3325.
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A big thank you to the devs of this absolutely brilliant piece of software! When you combine it with peace eq front end, provides functionalities that put every sound card control interface to shame. A must have for any audiophile!
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Stop this is ransomware, djavu.
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Just want to say how awesome this piece of software is. I'm on windows 10 64bit and the reason I needed something like APO is that I can use EQ and VST plugins with extreme ease. I'm using the program's default EQ (to compensate for my hearing and the old speakers I use) and I have also added the free-to-use vst plugin Loudmax (to bring closely together low and high volume levels when I work during the night). I must say, I have ZERO problems so far and I'm using it for quite a long time now (v1.2.1). I only wish the vst plugins' UI had the indicators shown normally, ie. with volume showing levels, compression, etc. Plugins DO work but they will appear dead visually so a bit of audio knowledge (or luck) is required to set them properly.
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When it works it gets 5 stars but every few weeks or months it stops launching, working or whatever & then you spend HOURS researching to fix the thing. Ask me how I know. I'll gladly take any easier alternative at this point even if not up to the same standards. Now it has 'issues' with Windows 11. Good Lord.