Google on Wednesday updated its Cardboard software development kits (SDKs) for Unity and Android with so-called "spatial audio" support, so developers can create more realistic audio experiences in their VR apps. Google Cardboard Product Manager Nathan Martz said many apps already create simple versions of spatial audio by playing sounds from the left and right in separate speakers. Today's SDK updates take this a step further, allowing apps to actually "produce sound the same way humans actually hear it."
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