What's that Sound? A Crossword Puzzle Challenge!

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Across
  1. 2. Constant beeps which convey the transmission, monitoring, or analyzing of data
  2. 4. A sound effect imitating the murmur of a crowd in the background
  3. 5. A heavy sound of an object moving through the air.
  4. 6. Lines spoken by a character
  5. 7. A classic silly sound effect. Also an abbreviation for the common parlance for animation
  6. 8. A low continuous humming sound
  7. 9. Reproduction of everyday sounds including but not limited to footsteps
Down
  1. 1. The professional who balances and spatializes all audio elements
  2. 3. The sonic element which sets the mood of a space