(a)   The following acts, among others, are declared to be unreasonably loud, disturbing or unnecessary noises and are hereby prohibited, but said enumeration shall not be deemed exclusive:
      (1)   The sounding of any horn or signal device on any automobile, motorcycle, bus, truck or other vehicle, except as a danger signal, so as to create any loud or harsh sound plainly audible within any dwelling unit or residence or so as to be plainly audible within 100 feet or more from such device.  This subsection shall not apply to emergency vehicles or those vehicles emitting a warning sound necessary for the protection of public safety.
      (2)   The playing or operation of any device designed for sound amplification, including, but not limited to, any radio, television set, musical instrument, phonograph or loudspeaker, in such a manner or with such volume as to be plainly audible either:
         A.   In any dwelling unit or residence which is not the source of the sound; or
         B.   100 feet or more from such device.
   (b)   For the purpose of this section, a "plainly audible sound" means any sound, the information content of which is unambiguously communicated to the listener, such as, but not limited to, understandable spoken speech or comprehensible musical rhythms.
(Ord. 1995-21.  Passed 12-19-95; Ord. 2005-23.  Passed 5-17-05.)