OpenAL Soft

OpenAL Soft 1.17.2 with source code and binaries for 32 and 64bit windows.

OpenAL Soft is an LGPL-licensed, cross-platform, software implementation of the OpenAL 3D audio API.

OpenAL 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, occlusion, and environmental reverb, are available through the EFX extension. It also facilitates streaming audio, multi-channel buffers, and audio capture.

Homepage: http://kcat.strangesoft.net/openal.html