Cecilia is an audio signal processing environment aimed at sound designers. It uses pyo as its underlying audio processing engine. It is a completely programmable sound-processing tool, with real-time interactive processing on sound files or live.
It is a good tool to explore the parameters of a new opcode in an interactive and intuitive way.
Cecilia was designed by and for musicians and sound designers. All the traditional sound processing devices are included such as EQs, compressors and delays adapted for the most simple applications and the wildest imaginable sonic contortions.
Key Features
- Music programming language.
- General sound-processing environment.
- Create your own GUI (grapher, sliders, toggles, popup menus) using a simple syntax.
- Supplied with many original builtin modules for sound effects and synthesis.
Website: belangeo.github.io/cecilia5
Support: GitHub
Developer: Olivier Bélanger
License: GNU General Public License v3.0

Cecilia is written in Python. Learn Python with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
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