Describir: Les progrès techniques du cinéma amateur et la sonorisation

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