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 _    _     ______   _____       ___              
| || | ||  /_   _// |  __ \\    / _ \\    ____    
| || | ||   -| ||-  | |  \ ||  / //\ \\  |    \\  
| \\_/ ||   _| ||_  | |__/ || |  ___  || | [] ||  
 \____//   /_____// |_____//  |_||  |_|| |  __//  
  `---`    `-----`   -----`   `-`   `-`  |_|`-`   
                                         `-`

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Text this: A study on the sound field in a vault with two open ends