Free: Openal+open+audio+library+2070+[top]

: OpenAL is indeed available for free. It is an open-source library, which means developers can use it without incurring licensing fees. The library's source code is freely available on platforms like GitHub, allowing developers to review, modify, and distribute the software.

The "ear" in the virtual 3D space; there is typically only one per audio context. openal+open+audio+library+2070+free

: Simulating sound degradation over distance (attenuation) and frequency changes based on movement ( Doppler effect ) [4, 10]. : OpenAL is indeed available for free