No question that configuring the audio state is an important function.? I've used this method before, usually for things I didn't want to convert into a library or when linker support was deficient or non-existent.
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The code base has gotten so big that what you've done does make the code more accessible and readable and that is helpful.? But I don't see the need to treat this differently than other modules, other than it's more work to get all of the global variables handled correctly.? Your method has the advantage of not having to bother with that.? I have AudioConfig.h referenced in 8 modules.
