Recently I was doing more experiments in lightweight binaural spatialization for VR. Using the Ambisonic Toolkit (aka ATK), in SuperCollider, I implemented a binaural mixer for arbitrary number of 3D sources that includes Doppler shift and a faked reverb cue as audio sources move further away.
Here’s a quick test, with some spaceship-like sounds whizzing past (mostly from side to side, because the effect is more obvious). Listen with headphones if possible:
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