Hardware Down Converter: This lets you use the main SD/HD-SDI output for HD, while simultaneously using the SD-SDI, S-Video and composite outputs for standard definition. * Two Capture Cards in One: The new DeckLink Duo is like having two DeckLink cards in one! DeckLink Duo is perfect for developers who need two completely independent capture and playback streams in and out of a computer, as both capture and playback channels are completely independent. * Incredible Analog Connections: DeckLink Studio includes enhanced analog connections to make it easy to connect to a wider range of analog broadcast equipment. * True Professional Quality Audio: DeckLink Studio features a massive 4 channels of balanced professional analog audio in and out, as well as 2 channels of AES/EBU digital audio in and out, for broadcast quality and sample accurate AV sync. * High Quality: For highest quality digital broadcast workflows, DeckLink cards include incredible 10 bit SD/HD-SDI video with low SDI jitter, combined with AES/EBU digital audio with a high performance linear phase digital filtered sample rate converter.