Which of the following might a sound technician do to enhance the effect in the following scenario? A director is shooting a key scene in a new superhero film. In the scene, the superhero has fallen and his archenemy is standing over him, waiting to deal the final blow. The director wants the audience to feel the helplessness of the hero. He is using camera angles to make the archenemy appear larger than life and to make the hero seem small and helpless.
1) Increase the volume of the background music
2) Add sound effects to emphasize the impact of the final blow
3) Use echo or reverb effects to create a sense of space
4) Adjust the balance between dialogue and ambient sound