psts Attention getters Sibilant sounds Calif., Wash. or Ore. time zones Whispering sounds Hissed signals Calif., Ore., and Wash. time zones Calif., Ore. and Wash. time zones Calif. and Wash. time zones Attention-getters Confidential sounds Attention-getting hisses Signals for silence Attention-getting sounds Sounds seeking silence Sibilant signals Sounds seeking attention