The use or operation of sound amplifying equipment is subject to the following restrictions and prohibitions:
(a) The use or operation of sound amplifying equipment is prohibited between the hours of 8:00 p.m. to 9:00 a.m. of the next succeeding day;
(b) No sound emanating from sound amplifying equipment shall exceed fifteen db above the ambient sound level as measured at any property line;
(c) The volume of sound will be controlled by the permittee so that it will not be substantially and unreasonably loud, raucous, jarring, disturbing, or a nuisance to reasonable persons of normal sensitiveness within the area of audibility;
(d) The only sounds permitted to be amplified shall be either music or human speech, or both.
(Ord. 790 § 3 (part), 1999)