Full reference to all audio in @Video1, the black-screen MP4: use it exactly as

Full reference to all audio in @Video1, the black-screen MP4: use it exactly as is. Lip movements are strictly synchronized with every syllable of the audio. Preserve every original word, voice, pause, playback speed and time position. @Video1 supplies the complete five-second soundtrack. @Video2 contains the ENTIRE remaining filmed passage AFTER the book has fallen from Yan's hands and BEFORE...