OpenAL Soft is a cross-platform implementation of the OpenAL 3D audio API. It's based on the open-sourced Windows version from openal.org. It provides capabilities for playing audio in a virtual 3d environment. Distance attenuation, doppler shift, and directional sound emitters are among the features handled by the API. More advanced effects, including air absorption, low-pass filters, and reverb, are available through the EFX extension. It also facilitates streaming audio, multi-channel buffers, and audio capture. License: GNU Lesser General Public License (LGPL) Changes: Changes from the 1.1 release include some ALSA stability fixes, spec compliance enhancements, a new .wav writing backend, and support for the ALC_EXT_EFX and AL_LOKI_quadriphonic extensions.

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