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Per OpenAL distance models, INVERSE-DISTANCE-CLAMPED attenuates volume in which way as distance grows?
ARoughly proportional to 1/distance with a max range
BLinearly to zero at twice reference distance
CAlways silent beyond reference distance
DConstant volume forever at any distance
Answer & Solution
Correct answer: A. Roughly proportional to 1/distance with a max range
OpenAL spec AL_INVERSE_DISTANCE_CLAMPED: gain = ref / (ref + rolloff·(d − ref)), clamped to max range. Physically motivated.
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