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VIDEO OVERVIEW
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Video in a Worship Service
-Lyrics Projection -Environmental Projection -Video Playback -Video Recording -Live Streaming -IMAG (Image Magnification)
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Example Systems
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What type of cable? What video format is on the cable?
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VOCABULARY WORD: Video Standard
A video standard defines the following characteristics of a video signal: The resolution, frame rate, and if the signal is interlaced or progressive.
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Resolution :Vertical & Horizontal pixel count
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Frame Rate :The number of individual frames or images that are displayed per second. 24 fps – Film Projectors fps – Film to video 25 fps – PAL HD video 29.97 fps – NTSC HD video 30 fps – HD Video (less common) 50 fps – PAL HD video 59.94 – NTSC HD video (Interlaced field rate of NTSC video) 60 fps – HD Video
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Interlaced vs. Progressive
In live production, most devices will be Progressive.
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Video Standard A video standard defines the following characteristics of a video signal: The resolution, frame rate, and if the signal is interlaced or progressive. Examples: 720p p p30 720p29.97 1080i p p p29.97
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Graphics formats vs. Video Standards
Graphics formats come from computer display outputs and are not always compatible with video standards and video devices.
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Cable Types – Computer Graphics
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Cable Types – Computer Graphics
VGA Analog Resolutions up to and including 2048x1536. Carries no audio.
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Cable Types – Computer Graphics
DVI Digital Can carry an “analog” VGA signal as well. Carries no audio.
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Cable Types – Computer Graphics & Video
HDMI Digital Includes Audio (DVI + Audio) < 50ft Only, usually less then 25ft.
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Cable Types – Video HD-SDI Digital Coax cable with BNC connector.
Includes Audio 8 Channels of Audio. Up to 300ft without re-clocking.
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SDI Video Standard Name Introduced Bitrates Example video formats
SMPTE 259M SD-SDI 1989[2] 270 Mbit/s, 360 Mbit/s, 143 Mbit/s, and 177 Mbit/s 480i, 576i SMPTE 344M ED-SDI 540 Mbit/s 480p, 576p SMPTE 292M HD-SDI 1998[2] 1.485 Gbit/s, and 1.485/1.001 Gbit/s 720p, 1080i SMPTE 372M Dual Link HD-SDI 2002[2] 2.970 Gbit/s, and 2.970/1.001 Gbit/s 1080p60 SMPTE 424M 3G-SDI 2006[2] SMPTE ST-2081 6G-SDI 2015[4] 6 Gbit/s 1080p120, 2160p30 SMPTE ST-2082 12G-SDI 2015[5] 12 Gbit/s 2160p60 SMPTE ST-2083 24G-SDI In development [9][10] 24 Gbit/s 2160p120, 4320p30
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Cable Types – Video IP Solutions will be the future.
Send video over a network. Newtek NDI Latency is an issue. Bandwidth is an issue. Not talking about “cat5 converters”
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Tour
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