Vistek V6402/V6302 HDSDI Frame Synchroniser/Adv Audio Processor with back connector for 12 channel audio embeddingincludes installed ont he V6302 is the Dolby Digital decoder, allowing decoding of either Dolby E or Dolby Digital audio streamFits V1606 frame,s V1601 frames etcNOTE this setup has 2 cards joined togetherThe V6302 provides channel switching, level control, re-mixing and bothvariable and tracking delay for up to 6 channels of AES digital audio,or 12 analog channels. It also has the option board installed for an on-board DolbyDigital decoder, allowing decoding of either Dolby E or Dolby Digitalaudio streamsThe V6402 HDSDI frame synchronizer includes a 2x1 input switch and a Proc Amp. Itcan be coupled to another new module, the V6302 Advanced AudioProcessor, to provide audio de-embedding, processing and re-embedding