The best open source alternative to Equalizer APO is FxSound. If that doesn't suit you, our users have ranked more than 25 alternatives to Equalizer APO and nine of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Equalizer APO are EasyEffects, eqMac 2, A.R.I.S.E. Sound Mod and JamesDSP for Linux.
Free and open-source software to boost sound quality, volume, and bass. Including an equalizer, effects, and presets for customized audio.
Most users think FxSound is a great Equalizer APO alternative.
Easy Effects is an advanced audio manipulation tool. It includes an equalizer, limiter, compressor and a reverberation tool, just to mention a few. To complement this there is also a built in spectrum analyzer.
ARISE puts together sound enhancements like VIPER4Android, Asus Zenfone 3 libraries with DTS effect, Huawei MedaiPad M2 Harman & Kardon sound effects, Huawei P9 sound libraries, Lenovo K3 Note MaxxAudio, LeTv Max 2 Dolby Atmos, Sony LDAC Bluetooth codec etc.
An implementation of the system-wide JamesDSP audio processing engine for non-rooted Android devices.
It doesn't use the Android builtin Equalizer and has a lot more functionalities.
Audio DSP effects build on Android system framework layer. This is a repository contains a pack of high quality DSP algorithms specialized for audio processing.
PulseAudio Equalizer is a 15 bands system wide equalizer, that means any application that is using PulseAudio, will benefit from the sound improvement.
PC Equalizer is a Graphical User Interface for "Equalizer APO" which is a parametric / graphic equalizer for Windows.
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It is simple and feels modern.