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  1. Atmosphere Effects: Audio syncronization - I'm stumped

    Halloween Props
    Let me describe the effect I'm trying to get. I have a very long driveway (50' or so). I will have a graveyard along the driveway/walkway. What I want is to have a speaker on 4 or 5 of the "graves". As the person walks up the driveway they will hear (from grave 1): "What is that?" (from...