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

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 |    \\    -| ||-   |  ' || | || | || | || | || 
 | [] ||    _| ||_   | .  || | \\_/ || | \\_/ || 
 |  __//   /_____//  |_|\_||  \____//   \____//  
 |_|`-`    `-----`   `-` -`    `---`     `---`   
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