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OpenAL
 | This article needs additional citations for verification. (September 2015) |
 | |
| Original author(s) | Loki Software |
|---|---|
| Developer(s) | Creative Technology |
| Stable release | 1.1 (installer 2.1.0.0)[1]
/ November 2009 |
| Written in | C |
| Operating system | 15 operating systems See: Supported platforms |
| Type | Application programming interface |
| License |
|
| Website | www |
OpenAL (Open Audio Library[3][4]) is a cross-platform audio application programming interface (API). It is designed for efficient rendering of multichannel three-dimensional positional audio. Its API style and conventions deliberately resemble those of OpenGL. OpenAL is an environmental 3D audio library, which can add realism to a game by simulating attenuation (degradation of sound over distance), the Doppler effect (change in frequency as a result of motion), and material densities.
OpenAL aimed to originally be an open standard and open-source replacement for proprietary (and generally incompatible with one another) 3D audio APIs such as DirectSound and Core Audio, though in practice has largely been implemented on various platforms as a wrapper around said proprietary APIs or as a proprietary and vendor-specific fork. While the reference implementation later became proprietary and unmaintained, there are open source implementations such as OpenAL Soft available.
- ^ "OpenAL: Cross Platform 3D Audio". openal.org.
- ^ "OpenAL License". Archived from the original on December 30, 2012. Retrieved November 10, 2012.
- ^ Hall, John (2001). Programming Linux Games. No Starch Press. p. 63.
- ^ Wilde, Martin (2004). Audio Programming for Interactive Games. Taylor & Francis. p. 11.
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