The document discusses sound editing for both fictional and factual content. For fictional sounds, it provides examples from A Quiet Place and Inside Out where unusual sounds were created and edited to match the intended purposes in the films. For factual sounds, it describes how nature documentary sounds are made and edited to create immersive experiences for viewers, such as adding city noise to a scene with a cheetah. The document also discusses using Logic Pro software to edit sounds, such as adjusting audio gain to change volume levels and doubling audio tracks to create effects like crowds.