Includes bibliographical references (pages 123-150).
Translated from the French.
Entrance: the spies of Jericho -- Discipline and listen. Before the wiretap ; Overhearing and diaphony ; small history of big ears (toward the panacousticon) ; Mastery and metrics in Figaro ; The ages of fear ; Telelistening and telesurveillance ; A secret conversation -- Underground passage: the mole in its burrow -- In the footsteps of Orpheus. The trackers, with hidden noise ; The mortal ear, or Orpheus turns around ; On the phone: Papageno at Mabuse's ; The phantom of the opera ; Wozzeck at the moment of his death ; Adorno, the informer -- Exit: J.D.'s dream.