This will enable binaural 3D positional audio system-wide for OpenAL applications/games.
You must use headphones to get the effect! Only 48kHz sampling rate and stereo supported, set this in Windows Audio Control Panel.
If the positioning is not accurate, you can change the "default-hrtf=" setting in "alsoft.ini" to one that best matches your ears by following this guide
Credit to: this reddit post.
Credit to: kcat for making OpenAL Soft v1.20.1
Credit to: I Drink Lava - 3D Game Audio
Credit to: MIT Media Laboratory, CIAIR of Nagoya University, IRCAM
Click here for installing the mod for minecraft only.

Step 1: Download the windowssys64bit-openAL-3Daudio.zip if you are using 64bit Windows or the windowssys32bit-openAL-3Daudio.zip if you have 32bit

Step 2: Extract the zip archive to:C:\Windows

Step 3: Extract the OpenAL-soft-settings.zip to: %userprofile%\AppData\Roaming