How Does Distance Affect Sound?

Discussion in 'Health Talk' started by Apocalypse77, Jul 24, 2017.

    1. Apocalypse77
      Loved

      Apocalypse77 Member

      Tinnitus Since:
      6/8/2016
      Cause of Tinnitus:
      Acoustic trauma (go-kart racing)
      I uploaded a file.

      This sketch that I draw shows this incident that happens outside.

      The orange guy shouts out at about 110-120 dB voice. There is a red guy about 15 cm ~1 Inch away from the orange guy and his left ear is facing towards him.

      So my question is how many dB's is the sound when it travels to red guys ear?
       

      Attached Files:

    2. GregCA
      Jaded

      GregCA Member Benefactor Hall of Fame

      Tinnitus Since:
      03/2016
      Cause of Tinnitus:
      Otosclerosis
    3. AUTHOR
      AUTHOR
      Apocalypse77
      Loved

      Apocalypse77 Member

      Tinnitus Since:
      6/8/2016
      Cause of Tinnitus:
      Acoustic trauma (go-kart racing)
      @GregCA English is not my mother tongue. So could you help me a little? How loud is it according ro this site?
       
    4. Bill Bauer
      No Mood

      Bill Bauer Member Hall of Fame

      Tinnitus Since:
      February, 2017
      Cause of Tinnitus:
      Acoustic Trauma
      Search for "dbspl". I enter the following: 0.01 meter from the source is 115dB. The calculator on the site tells me that the sound is 91.5 dB at 0.15 meter... This calculation assumes that the 110-120 dB was measured 1 cm from the person's mouth. It also assumes that dBspl = dB.
       
    5. AUTHOR
      AUTHOR
      Apocalypse77
      Loved

      Apocalypse77 Member

      Tinnitus Since:
      6/8/2016
      Cause of Tinnitus:
      Acoustic trauma (go-kart racing)
      @Bill Bauer Okay. Thank you. So this incident would not make any damage to the red guy.
       
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