No person or organization shall shout, make any outcry, blow a horn, ring a bell, or use any sound device, including any loudspeaking radio or sound amplifying system, upon any of the streets, alleys, parks, or other public places of the city for the purpose of attracting attention to any goods, wares or merchandise proposed to be sold. No person or organization shall have exclusive right to any location in any public street or place, nor be permitted a stationary location thereon, nor be permitted to operate in the congested area where such operation might impede or inconvenience the public. For the purpose of this chapter, the judgment of a city police officer, exercised in good faith, shall be deemed conclusive as to whether the area is congested or the public impeded or inconvenienced. Any violation of this section of this chapter is declared to be a nuisance.