Sound crossword

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Across
  1. 5. A form of art involving organized auditory patterns.
  2. 7. Any unwanted or unpleasant auditory sensation.
  3. 9. The complete absence of audible sound.
  4. 10. The unit of frequency for measuring sound waves.
Down
  1. 1. A strong, regular, repeated pattern of sounds.
  2. 2. The reinforcement or prolongation of sound by vibration.
  3. 3. The unit used to measure the intensity of a sound.
  4. 4. Relating to sound or the sense of hearing.
  5. 6. The level of loudness or intensity of audio.
  6. 8. The reflection of sound waves off a surface.