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__NOTOC__
 
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This page outlines a set of recommendations for recording a meeting using composite video, with slide mixing.  Similar pages for [[OMwiki:Interviews|video-casting stations]], [[OMwiki:Roving|roving cameras]], and audio capture are under preparation.
 
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<imagemap>
<imagemap>
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File:Composite-room-diagram-withslides.svg|thumb|350px|Alt=Composite Video Room Setup Diagram (w/ Slide Mixing)|<font color="Black">Room setup, diagrammed (with slide mixing).  Click on an object to learn more; the image is [[:wikipedia:Image_map|area-hyperlinked.]]</font>
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File:Composite-room-diagram-withslides.svg|thumb|350px|Alt=Composite Video Room Setup Diagram (w/ Slide Mixing)|<font color="Black">A suggested room setup diagram (with slide mixing).  Click on an object to learn more; the image is [[:wikipedia:Image_map|area-hyperlinked.]]</font>
rect 65 79 123 171 [[#Speaker|Speaker]]
rect 65 79 123 171 [[#Speaker|Speaker]]
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rect 126 96 171 143 [[#Presentation_Laptop|Presenter's Laptop]]
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rect 126 96 171 143 [[#Presentation_laptop|Presenter's Laptop]]
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rect 126 158 168 184 [[#VGA_Splitters|VGA Splitter]]
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rect 126 158 168 184 [[#Splitters|VGA Splitter]]
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rect 128 187 164 213 [[#Scan_Converters|VGA->Composite Scan Converter]]
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rect 128 187 164 213 [[#Scan_converter|VGA->Composite Scan Converter]]
rect 182 186 217 212 [[#Monitors|Scan Converter Monitor+Recorder]]
rect 182 186 217 212 [[#Monitors|Scan Converter Monitor+Recorder]]
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rect 127 358 168 386 [[#Video|Composite Video Switcher/Mixer]]
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rect 127 358 168 386 [[#Mixers|Composite Video Switcher/Mixer]]
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rect 25 297 114 354 [[#Auxiliary_Video|Auxiliary A/V Source]]
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rect 25 297 114 354 [[#Auxiliary_video|Auxiliary A/V Source]]
rect 326 238 365 291 [[#Cameras|Camera]]
rect 326 238 365 291 [[#Cameras|Camera]]
rect 370 223 409 299 [[#Cameraperson|Cameraperson]]
rect 370 223 409 299 [[#Cameraperson|Cameraperson]]
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rect 127 394 315 431 [[#Composite_A.2FV_Splitters|Composite A/V Splittter]]
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rect 127 394 315 431 [[#Splitters|Composite A/V Splittter]]
rect 272 338 300 379 [[#Monitors|A/V Monitor+Recorder (Post-mixing)]]
rect 272 338 300 379 [[#Monitors|A/V Monitor+Recorder (Post-mixing)]]
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poly 417 216 431 289 401 339 330 376 409 523 549 356 548 212 [[#Audience|In-Room Audience]]
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poly 417 216 431 289 401 339 330 376 409 523 549 356 548 212 [[#Audience|In-Person Audience]]
rect 177 434 204 468 [[#Encoder|Encoder Machine]]
rect 177 434 204 468 [[#Encoder|Encoder Machine]]
rect 89 476 287 596 [[#Distribution|Internet Broadcast]]
rect 89 476 287 596 [[#Distribution|Internet Broadcast]]
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*Send notification of archival video publication
*Send notification of archival video publication
*Recommendation: >200mW green laser pointer, carefully wielded
*Recommendation: >200mW green laser pointer, carefully wielded
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==Presentation Laptop==
==Presentation Laptop==
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==Splitters==
==Splitters==
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===VGA Splitters===
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==VGA Splitters==
*Powered ''via'' outlet power or USB
*Powered ''via'' outlet power or USB
*No fancy features beyond signal duplication; these are hardware-only devices
*No fancy features beyond signal duplication; these are hardware-only devices
*Recommendation: [http://www.radioshack.com/product/index.jsp?productId=3521446&CAWELAID=325278351 Gigaware 2-Port USB Powered VGA Splitter] or similar
*Recommendation: [http://www.radioshack.com/product/index.jsp?productId=3521446&CAWELAID=325278351 Gigaware 2-Port USB Powered VGA Splitter] or similar
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===Composite A/V Splitters===
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==Composite A/V Splitters==
*Powered ''via'' outlet power; signal-copy only
*Powered ''via'' outlet power; signal-copy only
*Also, carry plain RCA Y-cables and RCA female-to-female couplers
*Also, carry plain RCA Y-cables and RCA female-to-female couplers
*Recommendation: [http://www.radioshack.com/product/index.jsp?productId=2103065 Distribution Amplifier] or similar
*Recommendation: [http://www.radioshack.com/product/index.jsp?productId=2103065 Distribution Amplifier] or similar
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==Audio Splitters==
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===Audio Splitters===
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*Carry minijack Y-cables, XLR Y-cables, TRS connectors, and 1/4 inch to 1/8 inch headphone converters
*Carry minijack Y-cables, XLR Y-cables, TRS connectors, and 1/4 inch to 1/8 inch headphone converters
*Audio splitting is also possible from the soundboard
*Audio splitting is also possible from the soundboard
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==Scan Converters==
==Scan Converters==
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*Recommendation: [http://www.kramerelectronics.com/products/model.asp?pid=398 Kramer VP-501xl] (4:3 NTSC) or [http://www.kramerelectronics.com/products/model.asp?pid=585&sf=103 VP-701xl] (4:3 or 16:9; not yet tested)
*Recommendation: [http://www.kramerelectronics.com/products/model.asp?pid=398 Kramer VP-501xl] (4:3 NTSC) or [http://www.kramerelectronics.com/products/model.asp?pid=585&sf=103 VP-701xl] (4:3 or 16:9; not yet tested)
:Special notes: these devices can warm with usage; be mindful not to tape over ventilation holes
:Special notes: these devices can warm with usage; be mindful not to tape over ventilation holes
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==Monitors==
==Monitors==
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Recommendation: [http://www.cowonglobal.com/product_wide/product_A2_feature.php Cowon A2] (records to WMV) or [http://www.cowonglobal.com/product_wide/product_A3_feature.php Cowon A3] (not tested)
Recommendation: [http://www.cowonglobal.com/product_wide/product_A2_feature.php Cowon A2] (records to WMV) or [http://www.cowonglobal.com/product_wide/product_A3_feature.php Cowon A3] (not tested)
:Special note: A/V input cables must manufactured by Cowen
:Special note: A/V input cables must manufactured by Cowen
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==Mixers==
==Mixers==
===Audio===
===Audio===
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*Also known as a soundboard, hopefully already present and mic-tested
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*Also known as a soundboard
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*Bulky devices with lots of cabling
===Video===
===Video===
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*Generally these are expensive, bulky devices.  Technically [http://www.radioshack.com/product/index.jsp?productId=4023695 optional], they offer clean video switching (read: transitions)
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*Generally expensive, bulky devices
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*Aspect ratio switching and picture-in-picture may be possible
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*Can do picture-in-picture
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*Recommendation: [http://www.edirol.com/index.php/en/products-mainmenu-421/video-mixing-mainmenu-386/lvs-400 Edirol LVS-400] or similar
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*Different aspect ratios possible
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*Transitions between two or more video sources possible
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Recommendation: Edirol ____
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==Auxiliary video==
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==Auxiliary Video==
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==Secondary cameras==
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*Another video source can be mixed-in here (''e.g.'', from a 2nd camera)
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*Reserved areas, tablecloths
*Reserved areas, tablecloths
*Pan-ability
*Pan-ability
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===Online audience===
 
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*Question/feedback submission mechanism and designated #hashtags
 
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*Back-channel communication ("move the camera that-a-way")
 
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*Use Herdict to report video loading problems:
 
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:[http://www.herdict.org/web/participate/reporter?singleUrl=yoursite.com/live/ http://www.herdict.org/web/participate/reporter?singleUrl=yoursite.com/live/]
 
==Encoder==
==Encoder==
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*Needs to have a video capture mechanism: FireWire input or a composite video capture device
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*Very important
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*Dedicated internet bandwidth, firewall ports open to ''inbound traffic'' for Flumotion and SSH
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*Quiet
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*Laptops (USB/FireWire video) vs. mini-machines (USB/FireWire/PCI capture cards)
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*Dedicated internet bandwidth, non-firewalled
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*Recommendations:
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*Laptops (USB/FireWire video) vs. mini-machines (USB/FireWire/PCI capture cards)  
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:Shuttle SG31G2V2 running Linux with an Osprey 210 Capture Card (bttv insmod args set to 'card=89'; no audio support here)
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:>2.2GHz ThinkPad laptop with a USB video capture dongle (not tested)
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==Distribution==
==Distribution==
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*Plan on having 300-kbps-up ''dedicated'' bandwidth for each video stream
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===Page embedding==
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*Mobile broadband can be used if necessary, but Ethernet connections are more reliable
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===VLC + Icecast===
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*Documented at [http://en.flossmanuals.net/TheoraCookbook/VLCStreaming TheoraCookbook]
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*Commercial Icecast hosting is available [evaluating best options now]
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===ffmpeg2theora + Icecast===
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*Currently, ffmpeg2theora only accepts FireWire audio, so this is non-viable for streaming composite video
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===Flumotion===
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*Not an easy DIY option due to software complexity, but a good custom option if working with Flumotion directly
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==Page embedding==
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*Load balancing: client-side ''vs.'' server side
*Load balancing: client-side ''vs.'' server side
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==Projectors==
==Projectors==
*Expensive
*Expensive
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*Recommendation: Proxima [http://www.askproxima.com/products/projectors/M6/index.htm M6] or [http://www.askproxima.com/products/projectors/M9/index.htm M9] may be good choices
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*Recommendation: Something quiet and reasonably bright
==Lighting==
==Lighting==
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*Fill lighting is easy to accomplish, but stage lighting is difficult
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*Stage lighting vs. fill lighting
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*Heavy, fragile equipment: sandbags, tall stands often needed
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*Heavy, fragile equipment
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*Liability concerns with heavy equipment
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*Sandbags, tall stands sometimes needed
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*Possible recommendations:
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:[http://www.bhphotovideo.com/c/product/72020-REG/Arri_531600_650_Watt_Plus_Tungsten.html Arri 650 Watt Plus Tungsten Fresnel] or similar
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:[http://www.colorkinetics.com/ls/ Phillips LED Lighting Solutions]
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:Hire a professional lighting and stage crew
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==Power==
==Power==
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*Use a UPS
 
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==Reference Gearlists==
 
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*[[User:openvideopro|Open Video Productions, L.L.C.]]: [[:File:Openvideopro_gearlist.pdf|PDF]], current as of 30-April-2010
 

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