An updated, 1.2.1 version of Equalizer APO running with internal double precision processing (64 bit)

Related tags

Math equalizerAPO64
Overview

EqualizerAPO - 64bit port

This repo contains an updated, 1.2.1 64-bit port of EqualizerAPO - system wide equalizer for Windows.

The port here is inspired and checked against a previous port of EqualizerAPO (https://github.com/chebum/equalizer-apo-64) to double precision processing, while also instead using AVX2 for reduced CPU usage and latency.

Double procession processing (64 bit internal pipeline) in EqualizerAPO maintains precision and quality when applying multiple overlapping effects, namely convolution, large parametric EQ setups or GraphicEQ's. Effects mainly noticable in more complex EqualierAPO usage, though depending on how FFTW3 processes various filters it could have benefits elsewhere.

No functionality was added or modified, though VSTs will likely not work with the present code (needs testing).

Installation

Method 1 (requires Reboot)

  1. You will need standard Equalizer APO 1.2.1 installed on your system.
  2. Disable Equalizer APO for all audio devices.
  3. Reboot your computer.
  4. Unpack the attached zip archive into the Equalizer APO installation folder. Replace EqualizerAPO.dll. Consider backing up the original directory before doing this, otherwise you will need to reinstall EqualizerAPO to remove this.
  5. Re-enable Equalizer APO with the following settings on Windows 10:
    • Select your device, tick its box and then tick the Troubleshooting options box below.
    • Untick Pre-mix, tick Post-mix for Install APO. Switch the drop-down menu to Install as SFX/EFX (experimental).
  6. Reboot. This will load the modified 64-bit audio processing engine.

Method 2 (no Reboot)

  1. You will need standard Equalizer APO 1.2.1 installed on your system.
  2. Launch Task Manager, go to Services, right-click stop the Windows Audio (Audiosrv) and Windows Audio Endpoint Builder (AudioEndpointBuilder) services.
  3. Unpack the attached zip archive into the Equalizer APO installation folder. Replace EqualizerAPO.dll. Consider backing up the original directory before doing this, otherwise you will need to reinstall EqualizerAPO to remove this.
  4. Right-click start the two audio services. This will load the modified 64-bit audio processing engine.
  • Note, either way I still recommend installing your APO with the settings in Method 1 if your running Windows 10, as otherwise distortion can occur.

Uninstallation

  1. Reinstall EqualizerAPO or restore a backup of the installation folder.
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Comments
  • VCRUNTIME140_1.dll not found

    VCRUNTIME140_1.dll not found

    After replacing the APO installation with the zipped files, I'm getting a VCRUNTIME140_1.dll not found when trying to run the configurator. Couldn't find the file in the backup folder I made either.

    opened by megacorvega 2
  • Crash on startup

    Crash on startup

    Yesterday I installed EAPO and it was working perfectly fine, today I started my computer and the program crashes on startup. No windows updates were installed and the PC is in the exact same state I left it beffore shutting it down in the evening. What could be an issue? I've already tried the troubleshooting guidy on your primary website on source forge with no success. Thank you

    opened by svikino98 0
  • Audio Glitches when changing any parameter in Equalizer APO Configurator for couple of seconds

    Audio Glitches when changing any parameter in Equalizer APO Configurator for couple of seconds

    Audio Glitches when changing any parameter in Equalizer APO Configurator for couple of seconds. It's happens almost every time. For example: whenever messing with EQ or Preamp or any other effect module, the audio glitches for couple of seconds after changing the value, this is only a small annoyance otherwise it works perfectly fine and thanks for the work.

    opened by shreyasborole 0
Releases(1.0)

  • 1.0(Apr 22, 2021)

    First release of EqualizerAPO x64 1.2.1 with double precision processing and AVX2 support. Should improve quality for complex setups, convolution filters and all audio theoretically when running any filters. No real performance cost thanks to a modern compiler and AVX2. Note, VST's likely do not work with this, only matters if you use them.

    Requires a CPU with AVX2 support, anything from 2013 (Haswell) onwards for Intel, and anything from 2015 onwards (Excavator/Ryzen) for AMD, ensures fast processing. Also requires a 64 bit OS.

    Compiled this version with the newer Visual Studio C++ 2019 16.9 compiler, latest Windows SDK, all dependencies as well (including fftw3). /fp-precise, /AVX2, /O2, /Ob3 and other optimizations flags enabled for maximum speed without sacrificing floating point precision. Notably, fftw3 is compiled the same, including enabling its internal AVX support for performance.

    Installation

    Method 1 (requires Reboot) 1. You will need standard Equalizer APO 1.2.1 x64 installed on your system, and the Microsoft Visual C++ 2019 Redistributable (vc_redist.x64.exe). 2. Disable Equalizer APO in the Configurator for all audio devices.

    image

    3. Reboot your computer. 4. Unpack the attached zip archive into the Equalizer APO installation folder. Replace all files. Consider backing up the original directory before doing this, otherwise you will need to reinstall EqualizerAPO to remove this. 5. Re-enable Equalizer APO for your device with the following settings on Windows 10: - Select your device, tick its checkbox (Install EAPO for it) and then having selected it, tick the Troubleshooting options box below. - Untick Pre-mix Install APO, then tick Post-mix Install APO. Switch the drop-down menu to Install as SFX/EFX (experimental).

    image

    6. Reboot. This will load the modified 64-bit audio processing engine.

    Method 2 (no Reboot) 1. You will need standard Equalizer APO 1.2.1 x64 installed on your system, and the Microsoft Visual C++ 2019 Redistributable (vc_redist.x64.exe). 2. Launch Task Manager, go to Services, right-click stop the Windows Audio (Audiosrv) and Windows Audio Endpoint Builder (AudioEndpointBuilder) services. 3. Unpack the attached zip archive into the Equalizer APO installation folder. Replace all files. Consider backing up the original directory before doing this, otherwise you will need to reinstall EqualizerAPO to remove this. 4. Right-click start the two audio services. This will load the modified 64-bit audio processing engine. - Note, either way I still recommend installing EAPO for your device with the settings in Method 1 if your running Windows 10, as otherwise distortion can occur.

    If you have a missing DLL error, make sure you have installed the Microsoft Visual C++ 2019 Redistributable from their website here (vc_redist.x64.exe).

    Once installed with either method, I recommend making sure your EQ is working (your filters change the sound, try adjusting your preamp). If you have any issues, I recommend just uninstalling EqualizerAPO (and Peace GUI if you have it), then following the installation instructions from Step 1 for a clean install.

    Source code(tar.gz)
    Source code(zip)
    EqualizerAPO_121_64.zip(14.48 MB)
Owner
FireKahuna
FireKahuna
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