Fulton Definitions ordinance (§ 6-56)

The following words, terms and phrases, when used in this article, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:

Bel is a unit of level when the base of the logarithm is ten. Use of the bel is restricted to levels of quantities proportional to power.

Decibel is one-tenth of a bel and is a unit of level when the base of the logarithm is the tenth root of ten, and the quantities concerned are proportional to power.

Noncommercial use for purposes of this section shall mean any use other than for commercial advertising purposes.

Sound amplifying equipment means any machine or device for the amplification of the human voice, music or any other sound amplifying equipment and includes megaphones, amplifiers, walkie-talkies, amplifiers on fronts of business buildings or other sound devices. The term "sound amplifying equipment" shall not be construed as including standard automobile radios when used and heard only by occupants of the vehicle in which installed or warning devices on authorized emergency vehicles or horns or other warning devices on other vehicles used only for traffic purposes.

Sound-level meter is an instrument including a microphone, an amplifier, an output meter, and frequency weighing networks for the measurement of noise and sound levels in a specified manner.

Sound pressure level, in decibels, of sound is 20 times the logarithm to base ten of the ratio of the pressure of this sound to the reference pressure, which reference pressure must be explicitly stated.

Sound truck or other conveyance includes any vehicle, whether motorized or not, and any airplane, balloon, dirigible or any other type of aircraft having mounted therein, thereon or attached thereto any sound amplifying equipment.