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Maximilian is a cross-platform and multi-target audio synthesis and signal processing library. It was written in C++ and provides bindings to Javascript. It's compatible with native implementations for MacOS, Windows, Linux and iOS systems, as well as client-side browser-based applications. Maximilian is self-contained, and compiles without dependencies. The main features are:

• sample playback, recording and looping
• support for WAV and OGG files.
• a selection of oscillators and filters
• enveloping
• multichannel mixing for 1, 2, 4 and 8 channel setups
• controller mapping functions
• effects including delay, distortion, chorus, flanging
• granular synthesis, including time and pitch stretching
• atom synthesis
• real-time music information retrieval functions: spectrum analysis, spectral features, octave analysis, Bark scale analysis, and MFCCs
• example projects for Windows and MacOS, susing command line and OpenFrameworks environments
• example projects for Firefox and Chromium-based browsers using the Web Audio API ScriptProcessorNode (deprecated!)
• example projects for Chromium-based browsers using the Web Audio API AudioWorklet (e.g. Chrome, Brave, Edge, Opera, Vivaldi)
• will run on embedded systems (e.g. ESP32, Pi Pico)

in docs/index.html

Examples demonstrating different features can be found in the maximilian_examples folder. Each example is in a subfolder, and can be built as follows using cmake:

cd [example folder]
mkdir build
cd build
cmake ..
make
./maximilian

A transpiled javascript version of the library is included in this repository, for both Script Processor Nodes and AudioWorklets. Try this out at (https://mimicproject.com/guides/maximJS).

To run this on your on site, locally, or on GitHub Pages, check out this repo.

You can run the examples using the 'maximilianTest' XCode 3 project provided.

This is in the maximilianTestWindowsVS2010 folder. You will need to install the DirectX SDK, so that the program can use DirectSound.

g++ -Wall -D__MACOSX_CORE__ -o maximilian main.cpp RtAudio.cpp player.cpp maximilian.cpp -framework CoreAudio -framework CoreFoundation -lpthread

For M1 Mac OS

g++ -Wall -D__MACOSX_CORE__ -o maximilian main.cpp RtAudio.cpp player.cpp maximilian.cpp -framework CoreAudio -framework CoreServices -framework AudioToolbox -framework AudioUnit -framework Accelerate -lpthread

./maximilian

With OSS:

g++ -Wall -D__LINUX_OSS__ -o maximilian main.cpp RtAudio.cpp player.cpp maximilian.cpp -lpthread

With ALSA:

g++ -Wall -D__LINUX_ALSA__ -o maximilian main.cpp RtAudio.cpp player.cpp maximilian.cpp -lasound -lpthread

With Jack:

g++ -Wall -D__UNIX_JACK__ -o maximilian main.cpp RtAudio.cpp player.cpp maximilian.cpp pkg-config --cflags --libs jack -lpthread

then:

./maximilian

Maximilian works well with the OpenFrameworks C++ creative coding toolkit (http://www.openframeworks.cc).

In the ofxMaxim directory you will find examples to run in Windows, OSX and iOS, including FFT analysis and granular synthesis.

You can install the ofxMaxim addon by copying the ofxMaxim/ofxMaxim folder into your openframeworks addons directory.

Important: when using Maximilian on OSX, link against the Accelerate framework.

see developer_notes.md