There are 2 repositories under procedural-audio topic.
A programmable version of Neil Thapen's Pink Trombone
A Java audio-playback class, modeled on javax.sound.sampled.Clip, enhanced with concurrent playback and dynamic handling of volume, pan and frequency. Maven version.
Code for the "NoiseBandNet: Controllable Time-Varying Neural Synthesis of Sound Effects Using Filterbanks" paper.
an engine sound generator written in JavaScript using the Web Audio API
Virtual Megus: a generative music experiment
Examples demonstrating the use of AudioCue
An example for the PxPre Phonics library - for audio music synthesis in Unity.
Java class that provides a continuously varying stream of audio from a small sample base.
A procedural tone generator library for constructing programmed trees of instructions for virtual instruments.
Examples of the use of AudioCue (Maven version)