be-headphoned

— She was, in fact, constitutionally impervious to statistics and preferred to study the be-headphoned group of fifteen or so lethargic wanderers who were taking even less notice of the remorseless squawkings than she was. […] There must be some perfectly simple explanation of the fact that twenty-eight be-headphoned zombies at Exeter University, plied as they were with computerized information on tape, knew the findings of the air crash hearing even before the press did.