广东四邑方言塞音声母既与古帮端见组音变有关,也跟古精知庄章组音变有关。其中所涉及的音变包括古精组塞音化、古精知庄章组次清声母塞音化、古滂透溪母擦音化、古帮母读v-声母、古端母读零声母等,它们有些属于平行性音变,有些属于链移式音变。透母擦音化是其浊音清化后系列音变产生的关键环节。 Guangdong Sanyi dialect soprano consonants both with the old gang Duanjian group sound changes, but also with the ancient fine Zhizhuang Zhang group sound changes. Including the sound changes, including the ancient fine plug Cypriot sounding, the ancient fine Zhizhuang Zhang sub-clear sound consonant plug, the ancient creek through the mother whispered ruby, ancient help to read v-initial mother, Some of them belong to parallel sound changes, some belong to chain-shift sound changes. Through the mother of rubbing is the voiced sound after the series of sound changes produced a key link.