Noncommercial use of sound trucks in the city with the sound amplifying equipment in operation shall be subject to the following regulations:
A. The only sounds permitted are music or human speech;
B. Operations are permitted for three (3) hours per day, except Saturdays, Sundays and legal holidays when no operations are authorized. The permitted three (3) hour operation shall be between the hours of eleven o'clock (11:00) A.M. and twelve o'clock (12:00) noon and three o'clock (3:00) P.M. and five o'clock (5:00) P.M.; provided that upon petition and proper showing, the council may allow operation in excess of three (3) hours per day but no longer than seven o'clock (7:00) A.M. to seven o'clock (7:00) P.M.;
C. Sound amplifying equipment shall not be operated unless the sound truck upon which such equipment is mounted is operated at a speed of at least ten (10) miles per hour except when said truck is stopped or impeded by traffic. Where stopped by traffic sound amplifying equipment shall not be operated for longer than one minute at each such stop.
D. Sound shall not be issued within five hundred feet (500') of hospitals, schools, churches, courthouses, courtrooms, county buildings or the city hall. (1960 Code)