Vidu’s model catalog lists Q4 with synchronized audio, shot switching and audio reference. A door chime is a useful trial because you can see the cause of the sound, hear it, and then cut to someone reacting.
A shot to try
A customer opens a bakery door and a little brass bell rings once. Cut to a close-up of the baker glancing up from the counter. The bell fades into quiet room tone.
Review the take
Listen through the cut with headphones. The chime should begin when the door opens, and its decay should carry into the second shot. If a second chime appears, describe the sound once and leave the reaction shot silent except for room tone.
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