Additionally, {HEAD ~ the path} of {TAIL ~ acoustic energy} from a noise source, through the composite transducer, and to the ear canal can be lengthened by the addition of a baffle around which the acoustic energy must travel 
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Additionally , { HEAD ~ the path } of { TAIL ~ acoustic energy } from a noise source , through the composite transducer , and to the ear canal can be lengthened by the addition of a baffle around which the acoustic energy must travel
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH