Kling: kling_advanced_lip_sync API

A top-tier lip-sync model based on audio-visual co-generation. It precisely matches mouth movements with audio across multiple languages and drives realistic movement of cheeks, jawlines, and facial muscles. Supporting videos up to 60 seconds, it allows users to specify speakers in multi-person scenes via face_id. The displayed price is for every 5 seconds (less than 5 seconds is calculated as 5 seconds).