Meicheng Scaler Box CP-255i is designed to upscale digital/analog video signal from Composite, S-Video, PC, Component (HD) and HDMI input sources, to digital HDMI output of wide-range HDTV and PC resolutions, up to 1080p and WUXGA (1920 x 1200.) Besides video upscaling, the scaler box also converts digital/analog audio signal to digital format, then output either through HDMI combining with the video, or Coaxial S/PDIF separately. Meicheng CP-255i has a comprehensive OSD menu that allows user to select a variety of output resolutions and adjust for best picture quality.