(b)Prohibited acts. The following acts, among others, are declared to be loud, disturbing and unreasonable noises in violation of this section, but said enumeration shall not be deemed to be exclusive:
(1)Horns, signaling devices, etc. The sounding of any horn or signaling device on any automobile, motorcycle, street car or other vehicle on any street or public place of the city, except as a danger warning; the creation by means of any such signaling device of any unreasonably loud or harsh sound; the sounding of any such device for an unreasonable period of time; the use of any signaling device, except one operated by hand or electricity; the use of any horn, whistle or other device operated by engine exhaust; and the use of any such signaling device when traffic is for any reason held up.
(2)Radios, phonographs, etc. The playing, using or operating of, or permitting to be played, used or operated, any radio receiving set, musical instrument, phonograph, or other machine or device for the producing or reproducing of sound in such a manner as to disturb the peace, quiet and comfort of the neighboring inhabitants or at any time with louder volume than is necessary for convenient hearing for the person or persons who are in the room, vehicle or chamber in which such machine or device is operated and who are voluntary listeners thereto. The operation of any such set, instrument, phonograph, machine or device in such a manner as to be plainly audible at a distance of 50 feet from the building, structure or vehicle in which it is located shall be prima facie evidence of a violation of this subsection.
(3)Loudspeakers, amplifiers for advertising. The playing, using or operating of, or permitting to be played, used, or operated, any radio receiving set, musical instrument, phonograph, loudspeaker, sound amplifier, or other machine or device for the producing or reproducing of sound which is cast upon the public streets for the purpose of commercial advertising or attracting the attention of the public to any building or structure unless authorized by a permit.