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 _    _      ___      _  __   _    _     _____   
| || | ||   / _ \\   | |/ // | || | ||  / ____|| 
| || | ||  | / \ ||  | ' //  | || | || / //---`' 
| \\_/ ||  | \_/ ||  | . \\  | \\_/ || \ \\___   
 \____//    \___//   |_|\_\\  \____//   \_____|| 
  `---`     `---`    `-` --`   `---`     `----`

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Text this: Active control of low-frequency noise through a single top-hung window in a full-sized room