Mae hefyd yn rhoi pwerau i Lywodraeth Cymru wneud polisïau sy'n mynd i'r afael â sŵn nad oes ei eisiau ac yn diogelu synau sy'n bwysig i bobl, fel trydar adar a synau ymlaciol byd natur, neu synau croesawgar canol tref fywiog.
It also gives the Welsh Government powers to make policies that tackle unwanted noise and protect sounds that matter to people, like the relaxing calls of birdsong and nature, or the welcoming hum of a vibrant town centre.