The Matrox VS4 Quad HD Capture Card for is a PCIe x8 card that allows you to simultaneously stream and capture from up to four independent SDI video sources using optional vMix, Wirecast, or the full version of VS4 Recorder Pro software applications. The VS4 card includes a trial version of the VS4 Recorder Pro software. The optional VS4Recorder is a versatile application ideal for multi-camera productions that provides HD recording of up to four inputs while simultaneously offering a complete multi-viewer experience, and it provides two recording modes: independent and multi-cam. The optional vMix software is a complete live video production software solution that provides live mixing, switching and streaming.
The Matrox VS4 Quad HD capture card also works with select Wirecast software, not included, which allows you to switch between input feeds and add effects to produce a live streaming program. The inputs support PAL, NTSC and various flavors of HD video. Each input works independently, and features auto format detection that allows the card to set the correct input format. This means that the card can accept, stream and encode for capture video from four different inputs with four different formats, even mixing SD and HD, at the same time.
The VS4 features ISO recording, which means that while streaming the program live the VS4 can also encode video from each input at up to 300 Mb/s, to available video storage. The VS4 features codecs compatible with editing solutions from Adobe, Avid and Apple, this allows you to go back and re-edit your show after it has already streamed live. Supporting 8 channels of embedded audio per input, the card encodes audio at 24-bit resolution at 48 kHz for clean clear sound. The VS4 is PC compatible, running on the Windows 7 OS.
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