1) The document discusses editing sound and clips for a film introduction called "Predator Productions". It involved separating panther images in Photoshop and creating a custom transition in Premiere Pro for the images to slide in.
2) Additional sounds were added, including a phone vibration recorded separately due to interference, and adjusting a gunshot sound effect from online by changing its speed and fade.
3) Dialogue audio was captured with a shotgun microphone, but clips had to be overlapped and faded to make the conversation flow smoothly.