# Suddenly

This word explains that no one expected to hear the sound or to have it fill the house.

# there came from heaven a sound

Possible meanings are 1) "heaven" refers to the place where God lives. Alternate translation: "a sound came from heaven" or 2) "heaven" refers to the sky. Alternate translation: "a sound came from the sky"

# a sound like the rush of a violent wind

"a noise that sounded like a very strong wind blowing"

# the whole house

This may have been a house or a larger building.