Describir: fenêtre active fenêtre thermo-acoustique

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