Porque Hayao Miyazaki queria assim:
The most striking thing about “The Wind Rises,” though, are the images rather than the politics. It’s easy to fall under the spell of the sheer beauty of the film, with its soaring vistas and an array of sound effects — trains, airplane engines and the like — done by mouths, not machines. “Originally Miyazaki wanted to have all the sound effects voiced, and he wanted to do them himself,” said Wexler. “They said ‘No, we need you to draw the film.’ - THEWRAP
Isso não serve nenhum valor real para a análise profunda do filme e foi até criticado por alguns .