The UDC-8625A-B is a multi-function solution for Up \ Down \ Cross Conversion, audio embedding and de-embedding, discrete audio processing, Keying, Logo Insertion, A/B Mixing, all with audio video processing, timing, and synchronization. A feature rich 3G / HD / SD converter that supports all traditional formats including 1080p, 1080i, 720p, 480i, and 576i. Audio and video synchronization is combined with a signal processor, offering full control of the 16 channels of audio with gain, invert, shuffle and sample rate conversion. Video processing offers adjustment for luma / chroma gain plus black offset with metadata processing including AFD processing and insertion. Pillar bar / letter box (wings) insertion can be achieved with the external fill signal or internally from the logo inserter. A/B inputs can be configured to V-Fade or operate in an auto fail-safe mode selecting the secondary input on failure / absence of the primary input.