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Each biome is represented by 3 mono emitters that surround you as move into the area and merge into one as you move away. Doing it this way rather than just using stereo sounds allowed us to keep the directionality of the ambience, and we can also partially occlude some of them as needed.

The bird sounds in Big Walk are also "synchronized" across the network so all players are hearing the same birds coming from the same spots! We achieved this by determining in advance when and where they're playing throughout the day night cycle based on the biome and vegetation. #BigWalk #gamedev