Base aud- (hear/ perceive)

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Across
  1. 2. health care professionals who identify and assess disorders of hearing
  2. 3. a meeting during which actors, singers or dancers show their skills in front of casting directors
  3. 6. unable to be heard
  4. 8. to perform an official review of a company's financial records
  5. 9. related to the ability of hearing
Down
  1. 1. a person whose job is to look into financial statements
  2. 3. a group of people who have gathered to watch and listen to a play, concert, etc
  3. 4. (of a sound) loud enough to be heard by everyone
  4. 5. the part of a theatre where the audience sits to watch a performance
  5. 7. the sound or audible content in the form of music or speech