Melodic Mix is a mixer and digital signal processing application for Linux.
It is oriented towards live audio and other situations where users need an accessible collection of processors in a configurable signal chain. The project originated from Easy Effects but follows its own direction, concentrating on mixing and real-time effects rather than attempting to mirror the broader desktop-processing workflow of its parent project.
This is free and open source software.
Key Features
- Arrange audio processors in a user-defined signal chain.
- Reorder effects without rebuilding the complete processing setup.
- Bass enhancer adds controlled emphasis to low-frequency content.
- Bass loudness processing changes perceived low-end weight at suitable listening levels.
- Compressor reduces the dynamic range of signals exceeding a configured threshold.
- De-esser targets excessive sibilance in speech and vocal material.
- Delay processor creates configurable time-based echo effects.
- Exciter adds harmonic content to increase perceived brightness and presence.
- Pitch processing allows the incoming signal to be shifted up or down.
- Reverberation can add room, ambience and longer decay characteristics.
- Level metering provides visual feedback while configuring processing chains.
- Low-pass filtering attenuates content above the selected cutoff frequency.
- High-pass filtering reduces frequencies below the selected cutoff.
- Band-pass filtering restricts output to a selected range of frequencies.
- Band-reject filtering suppresses a chosen frequency region while retaining surrounding content.
- Individual effect controls expose parameters relevant to each processor.
- Qt and QML provide the application’s graphical interface.
- Kirigami components help provide a responsive layout across different window sizes.
Website: gitlab.com/hannescam/melodicmix
Support:
Developer: Hannes Campidell
License: GNU General Public License v3.0

Melodic Mix is written in C++. Learn C++ with our recommended free books and free tutorials.
Related Software
| Audio Effects, Mixers, and PipeWire Routing Tools | |
|---|---|
| Easy Effects | GTK audio manipulation software which includes a range of tools |
| Carla | Modular audio plugin host |
| JamesDSP for Linux | Audio effect processor for Pipewire |
| Pulsemeeter | Audio routing and mixer application |
| wiremix | Terminal mixer for PipeWire audio devices and streams |
| Melodic Mix | Simple mixer and digital signal processing application |
| LSP Plugins | Broad collection of studio-oriented plug-ins |
| Sonusmix | GTK4 audio routing and device management application |
| qpwgraph | Graph manager dedicated to PipeWire |
| pwvucontrol | Pipewire volume control |
| Pipeweaver | Audio management tool built on top of PipeWire |
| coppwr | Low-level GUI for inspecting and controlling PipeWire |
| Helvum | Graphical patchbay for connecting PipeWire audio streams |
Read our verdict in the software roundup.
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