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Original author(s) Ross Bencina
Stable release v19 SVN rev 1919 / 30 January 2014
Written in C
Operating system Cross-platform
Type API
License MIT License
Website www.portaudio.com

PortAudio is an open source computer library for audio playback and recording. It is a cross-platform library, so programs using it can run on many different computer operating systems, including Windows, Mac OS X and Linux. PortAudio supports Core Audio, ALSA, and MME, DirectSound, ASIO and WASAPI on Windows. Like other libraries whose primary goal is portability, PortAudio is written in the C programming language. It has also been implemented in the PureBasic, and Lazarus/Free Pascal languages. PortAudio is based on a callback paradigm, similar to JACK and ASIO.

PortAudio is part of the PortMusic project, which aims to provide a set of platform-independent libraries for music software. The free audio editor Audacity uses the PortAudio library, and so does the JACK on the Windows platform.

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