For the purposes of this article, the following words and phrases shall have the meanings ascribed to them.
DAY means a calendar day.
Notwithstanding any other provision of this article, written permission of a church, school or hospital shall not be required as a condition for the issuance of a permit for the amplification of sound from a moving vehicle. A copy of any original permit shall be provided to the applicant. Nothing in this article shall apply to a person using a device for the amplification of sound at a permanent business location or at a stadium or ballpark, or at a church where such device is used for the amplification of clarions. Nothing in this article shall apply to officers and employees of the city, the county, the state, the United States of America or any official governmental entity when such amplification of sound is being used by such officer or employee while engaged in his official duty. It is unlawful for any person operating or controlling a motor vehicle in either a public or private place within the city to operate any sound amplifier which is part of, or connected to, any radio, stereo receiver, compact disc player, cassette tape player, or other similar device in the motor vehicle, in such a manner that, when operated, it is audible at a distance of 30 feet or, when operated, causes a person to be aware of the vibration accompanying the sound at a distance of 30 feet from the source.