It’s here, the first release of my audio library for Processing: Minim.

Here are some of the cool features:

• Released under the GPL, source is included in the full distribution.
• AudioFileIn: Mono and Stereo playback of WAV, AIFF, AU, SND, and MP3 files.
• AudioFileOut: Mono and Stereo audio recording either buffered or direct to disk.
• AudioInput: Mono and Stereo input monitoring.
• AudioOutput: Mono and Stereo sound synthesis.
• AudioSignal: A simple interface for writing your own sound synthesis classes.
• Comes with all the standard waveforms, a pink noise generator and a white noise generator. Additionally, you can extend the Oscillator class for easy implementation of your own periodic waveform.
• AudioEffect: A simple interface for writing your own audio effects.
• Comes with low pass, high pass, band pass, and notch filters. Additionally, you can extend the IIRFilter class for easy implementation of your own IIR filters.
• Easy to attach signals and effects to AudioInputs and AudioOutputs. All the mixing and processing is taken care of for you.
• Provides an FFT class for doing spectrum analysis.
• Provides a BeatDetect class for doing beat detection.

Visit the download page, then take a look at the Quickstart Guide or dive right into the Javadocs.