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1.2. Video Processing Chain
Video Processing Chain
The video processing chain is composed of the following elements:
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One video front end including 2 video interfaces, 1 video source multiplexer, 1 video de-
interlacer,
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Two video scalers,
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Three video encoders.
Video front end
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The video multiplexer selects the SDI source or the HDMI source. The SDI interface
implements a 3G-SDI receiver capable of automatically identifying and decoding HD-SDI and
3G-SDI audio/video signals up to 1080p60. The HDMI interface implements a single-link HDMI
1.4 receiver capable of automatically identifying and decoding audio/video signals up to
1080p30.
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The de-interlacer converts interlaced-scan video streams to progressive-scan video streams
keeping the native resolution and the native frame rate of the video
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The progressive scan video stream is fed to the three encoders and to the two scalers.
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1. Description
