PortAudio is a free, cross platform, open-source, audio I/O library. It lets you write simple audio programs in 'C' that will compile and run on many platforms including Windows, Macintosh (8,9,X), Unix (OSS), SGI, and BeOS. PortAudio is intended to promote the exchange of audio synthesis software between developers on different platforms.
PortAudio provides a very simple API for recording and/or playing sound using a simple callback function. Example programs are included that synthesize sine waves and pink noise, perform fuzz distortion on a guitar, list available audio devices, etc.
The Portaudio Wiki is maintained by the community of PortAudio developers. Ithas the most up-to-date information and is recommended as a starting point for exploring PortAudio.
Latest information on: PortAudio Community Wiki
News: PortAudio was used to power the example audio programs in a new book published by A K Peters called "Audio Anecdotes I: Tools, Tips, and Techniques for Digital Audio".
The PortAudio project and API was proposed by Ross Bencina to the music-dsp mailing list. Ross uses PortAudio in his AudioMulch synthesis application. Many people have since contributed to its development. Read Ross' recent paper on PortAudio and Media Syncronization.
This website is hosted and maintained by Phil Burk of SoftSynth.com. Phil uses PortAudio as the basis for audio I/O in JSyn,a real-time synthesis API for Java and 'C', and the JavaSonics ListenUp Applet.
23645 visitors since 5/30/01