Describir: Architectural acoustics. Principles and practice :

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