VM6809H can support Frame Syne and Audio Extraction.

Frame Sync :  Prevents image tearing under video wall without adding or dropping frames by synchronizing the scaler output frame rate to the input signal frame rate and guarantees smooth video for high-motion elements, especially when a fast-moving object appears on the screen.

Audio Extraction:  HDMI audio can be de-embedded to stereo audio Separation of audio signals from the video for independent control.