![]() Like The Conversation, many spy films were inspired by real events that occurred during the Cold War, where acousticians in the United States and the Soviet Union pushed to develop more advanced acoustic surveillance devices. This coincidence came about from the diligent background work of the film’s technical advisers who used real spy equipment in the film. When it was released shortly before Richard Nixon resigned as president, many thought it was a commentary on Watergate, but its script was finished in 1972, months before the scandal had become public. The long-range microphone is perfect for picking up the action on the field from the safety of the sidelines.įrancis Ford Coppola’s 1974 film The Conversation explored themes of paranoia surrounding wiretapping. What used to be seen only in the movies, is now commonplace at sporting events. The acoustic telescope takes advantage of the unique shape of the parabolic reflector (similar to a satellite dish) which collects sound and reflects it to a common focal point where the microphone is placed. To encourage exploring the science of acoustics at home, Acentech’s Colin Worrich demonstrated how this can and string trick works.Īt the complex end, the iconic spy van is often equipped with an acoustic telescope. At the simple end of the spectrum, we can press a glass to the wall to hear what is going on in the adjacent room, or communicate via tin cans connected by string. Spy films are filled with all kinds of gadgets, from the simplistic to the complex. Stories of spies capture our attention, whether at the movies, in the history books, or in the latest articles about smart devices in our homes listening to us. When people see sound measurement equipment they often picture a much different world of acoustics, filled with intrigue and espionage. Environmental, Industrial, & Transportation.
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