A. It is unlawful for any person to disturb or to tend to disturb the peace of others by violent, tumultuous, offensive or obstreperous conduct, or by loud or unusual noises, or by unseemly, profane, obscene or offensive language, calculated to provoke a breach of the peace; or by assaulting, striking or fighting another, or for any person to permit any such conduct in any house or upon any premises owned or possessed by him or under his management or control, when within his power to prevent, so that others in the vicinity or area are or may be disturbed thereby.

B. It is unlawful for any person to use or operate, or permit the use or operation of, any loudspeaker, public address system, radio, tape player, compact disc player or other sound-amplifying or sound emitting device or equipment in or on a motor vehicle, or any portable sound emitting device which is being carried by any person, in such a manner as to be plainly audible at a distance of twenty-five feet from either the motor vehicle or the sound-amplifying or sound emitting portable device or equipment.

C. The provisions of subsection B of this section shall not apply to sound made or controlled by the city or any branch, subdivision, institution or agency of the federal government or the government of the state of Colorado or any political subdivision thereof, or when the sound amplification is made pursuant to a valid license, permit or contract issued by the city, any branch, subdivision, institution or agency of the federal government or the government of the state of Colorado or any political subdivision thereof.

D. For the purposes of this section, the term “plainly audible” means that the information content of the sound, such as, but not limited to, speech, voices or musical rhythms or melodies, is unambiguously transferred to any person hearing or listening to the sound. (Ord. 1997-7 § 1: prior code § 7-4-6)