A SDI signal to HDMI signal seamless output converter, based on the third generation technology design of DeviceWell. Device integrated SYNC/FRCS (synchronous frame rate conversion system), SDI receiver and HDMI encoder, can be 3G The /HD/SD-SDI signal is converted to HDMI high-definition video signal for seamless output. At the same time, the PD6512 can also de-embed the audio in the SDI signal and output it to the HDMI and analog stereo ports. The PD6512 integrates the synchronous up/down conversion function and inputs the SDI. Signal adaptive, output optional 1080P/1080I, 720P, etc., the output signal has no screen black, splash screen and screen display. In addition, PD6512 can also support external audio input, that is: external input analog audio can be embedded in HDMI.