# PortAudio

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PortAudio Original author Ross Bencina Stable release 19.7.0[1] / 6 April 2021; 5 years ago (6 April 2021) Written in C Operating system Cross-platform Type API License MIT License Website www.portaudio.com Repository github.com/PortAudio/portaudio

**PortAudio** is an [open-source](/source/Open-source_software) [computer library](/source/Computer_library) for [audio](/source/Sound) playback and recording. It is a [cross-platform](/source/Cross-platform) library, so programs using it can run on many different computer [operating systems](/source/Operating_system), including [Windows](/source/Windows), [Mac OS X](/source/Mac_OS_X) and [Linux](/source/Linux). PortAudio supports [Core Audio](/source/Core_Audio), [ALSA](/source/Advanced_Linux_Sound_Architecture), and [MME](/source/Multimedia_Extensions), [DirectSound](/source/DirectSound), [ASIO](/source/Audio_Stream_Input%2FOutput) and [WASAPI](/source/WASAPI) on Windows. Like other libraries whose primary goal is portability, PortAudio is written in the [C programming language](/source/C_programming_language). It has also been implemented in the languages [PureBasic](/source/PureBasic) and [Lazarus](/source/Lazarus_(IDE))/[Free Pascal](/source/Free_Pascal). PortAudio is based on a callback paradigm, similar to [JACK](/source/JACK_Audio_Connection_Kit) and [ASIO](/source/Audio_Stream_Input%2FOutput).

PortAudio is part of the [PortMedia](/source/PortMedia) project, which aims to provide a set of platform-independent libraries for music software. The free [audio editor](/source/Audio_editor) [Audacity](/source/Audacity_(audio_editor)) uses the PortAudio library,[2] and so does JACK on the Windows platform.

## See also

- [Free and open-source software portal](https://en.wikipedia.org/wiki/Portal:Free_and_open-source_software)

- [List of free software for audio](/source/List_of_free_software_for_audio)

## Notes

1. **[^](#cite_ref-wikidata-f2ebe67c7dffb703b151caa0c0ceecba16c72c7a-v20_1-0)** ["Release v19.7.0"](https://github.com/PortAudio/portaudio/releases/tag/v19.7.0).

1. **[^](#cite_ref-2)** ["About Audacity: Credits"](http://audacityteam.org/about/credits). audacityteam.org. Retrieved 4 August 2014.

## References

- [PortAudio: Portable Audio Processing for All Platforms](http://www.developer.com/net/cplus/article.php/3590641/PortAudio-Portable-Audio-Processing-for-All-Platforms.htm)

- [Using portable, multi-OS sound systems](http://www.linux.com/archive/feature/113776)

## External links

- [Official website](http://www.portaudio.com)

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