lip synching
practice used in the music industry consisting in moving the lips silently in synchronization with a pre-recorded audio track, thus giving the illusion of singing or speaking live
en-GB/ˈlɪp ˈsɪnkɪŋ/
en-US/ˈlɪp ˈsɪnt͡ʃɪŋ/
practice used in the music industry consisting in moving the lips silently in synchronization with a pre-recorded audio track, thus giving the illusion of singing or speaking live