The composite transducer, which is adapted for use with the human ear, includes at least three transducers, oriented to be substantially coplanar to each other: two oppositely oriented input transducers for converting acoustic waves into electrical signals, and at least one output transducer oriented facing {HEAD ~ the ear} for converting {TAIL ~ electrical signals} into acoustic waves 
The composite transducer , which is adapted for use with the human ear , includes at least three transducers , oriented to be substantially coplanar to each other : two oppositely oriented input transducers for converting acoustic waves into electrical signals , and at least one output transducer oriented facing { HEAD ~ the ear } for converting { TAIL ~ electrical signals } into acoustic waves
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