No more silent footage—audio-visual sync brings AI characters to life! From silent videos to Wan 2.5 Preview, which delivers frame-perfect lip-sync, multilingual dialogue, and dynamic sound effects, AI-generated video has officially left the "silent film era" behind. Now, audio and visuals emerge together from the same model—not stitched in post-production, but natively synchronized from the start. Watch the video below to uncover how AI-powered audio-visual sync is redefining content creation. #AlibabaCloud #CloudComputing #AI #AInnovation #LLM #AIVideo #WanAI #MultimodalAI