1、The harmoniser tweaked the sound levels to create a seamless blend of voices in the choir.
调音师调整了音量，使合唱团的声音无缝地融合在一起。

2、She used a harmoniser pedal to add rich harmonies to her guitar playing.
她用和声器踏板给她的吉他演奏添加了丰富的和声效果。