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GY-HD 100 & 200 series ProHD HDV camcorders & decks.


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Old February 8th, 2006, 01:57 AM   #1
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Glossary of Commonly Used Terms & Abbreviations

Don't no whether I'm gonna ruffle any feathers but I was thinking, How about making an Abbreviation Sticky. It seems we are creating a nomencature with these things that any poor new comer may think he just landed on Mars. What do you guys think. I'm gonna jot down a few. But if anyone wants to add anything with its meaning I'll try and collate into some meanigful index when I get the chance.

HD100 - in the context of this forum HD100 generally refers to the JVC GY-HD100U, GY-HD100E, and GY-HD101E
CA- chromatic aberration
PPRO - Adobe Premiere Pro
SSE - Split Screen Effect
FCP - Final Cut Pro
NLE - Non Linear Editor
DV - Digital Video
HD - High Definition
HDV - High Definition Video recorded to MPEG-2 transport stream on mini-DV tape.
SDI - Serial Digital Interface
HD-SDI - High definition - serial digital interface
FA - Focus Assist
AB - Anton Bauer

I know all of these are pretty basic but I would not of known a few months back what some of these were. Feel free to shout me down if you guys think its a bit newbie and dumb. I'm of to the videoforum fair, Earles Court, toady. Exciting.

Laters Duderinos
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Old February 8th, 2006, 02:25 AM   #2
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It would probably be good for people who are new to the forum.


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Last edited by Andy Graham; February 8th, 2006 at 10:10 AM.
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Old February 8th, 2006, 02:29 AM   #3
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Thanks Greg.

I've made it sticky and edited/added to a few of your definitions.
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Old February 8th, 2006, 03:09 AM   #4
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Here's some additional format definitions:

AIC - Apple Intermediate Codec
TC - Time Code
DF - drop frame time code
NDF - Non-Drop Frame time code
NTSC - National Television Systems Committee - TV standard used in North America, Japan, Caribbean & other countries. 525-lines at 59.94 fields per second.
PAL- Phase Alternating Line - TV Standard widely used in Europe, S. America, Australia & Asia 625 lines at 50 fields per second.
SECAM - Sequential Colour á Mémoire - TV Standard used in France, Russia and much of Eastern Europe and middle East. Very similar to PAL, 625 lines at 50 fields per second.

60i - 59.94 interlaced fields per second (aka 30i or 29.97i) - frame/field rate of NTSC.
50i - 50 interlaced fields per second (aka 25i) - frame/field rate of PAL.
30P - 30 progressive frames per second.
23.98P - 23.976 progressive frames per second.
24P - 23.976 progressive frames per second or actual 24fps (in the case of HDCAM)
24Pn (normal) - 23.98 progressive frames written in a 60i file with a 2:3 pulldown pattern.
24PA (advanced) - 23.98 progressive frames written in a 60i file with a 2:3:3:2 pulldown pattern
24PsF - 24P within a segmented frame - used in 1080"P" recording to HDCAM 1080i48. Clocking at 48i doesn't require the use of pulldown on HDCAM.

480P60 - 720 x 480, 59.94fps
576P50 - 720 x 576, 50fps
720P24 - 1280 x 720, 23.98 fps (in the context of the HD100, 24fps in a 2:3 pulldown pattern within 60P video)
720P25 - 1280 x 720, 25
720P30 - 1280 x 720, 29.97 fps
720P60 - 1280 x 720. 59.94 fps (recording format of the JVC HD100, acquisition/recording format of HD200/250)
1080i - 1440 x 1080 (HDV) or 1920 x 1080 @ 59.94 fields per second or 50 fields per second. (or 48 fields per second in the case of HDCAM 1080PsF24)
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Old February 8th, 2006, 12:16 PM   #5
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Thanks Tim,

I just chucked a few down but you're a real workhorse you've made me feel lazy with my effort. You never know it may even make things a bit easier for your good self. I know I'm just as bad but a lot of us do target you and few others for questions that I'm sure you guys must find pretty frustrating sometimes. In particular stuff regarding abbreviations. Anyway hope all is well.

Regards Greg C

P.S. I got my Fs4pro hd 80 gig today so if I get time tomorrow I'll try and rattle of a quick frame or too so you can have a look at the repeat flag thing. Can I just e-mail you a file or will it be to big?
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Old February 8th, 2006, 11:36 PM   #6
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Quote:
Originally Posted by Greg Corke
P.S. I got my Fs4pro hd 80 gig today so if I get time tomorrow I'll try and rattle of a quick frame or too so you can have a look at the repeat flag thing. Can I just e-mail you a file or will it be to big?
If you shoot a short clip under 10Mb you can email it to me. Please make sure it has some motion.
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Old February 11th, 2006, 09:52 AM   #7
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DOF - Depth of Field
DP - Director of Photography
SD - Standard Definition
...
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Old February 11th, 2006, 12:25 PM   #8
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Quote:
Originally Posted by Tim Dashwood
SECAM - Sequential Colour á Mémoire - TV Standard used in France, Russia and much of Eastern Europe and middle East. Very similar to PAL, 625 lines at 50 fields per second.
Interestingly, in eastern Europe (Czechoslovakia anyway) acquisition and post were done on PAL equipment and the signal was converted to SECAM at the transmission point. To my knowledge, there isn't much equipment manufactured in the Eastern European SECAM. Yes, the French SECAM is different to the Eastern European version. All of this was done mostly for political reasons during the cold war era. Since most of the early TV sets sold in communist countries were only capable of receiving SECAM, people were unable to watch the 'bad imperialist' western European broadcasting. Today, I believe, most of Europe is PAL all the way.
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Old March 6th, 2006, 08:44 PM   #9
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My 2 cents...

CC - Color Correction
VF - View Finder
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Old March 7th, 2006, 08:30 PM   #10
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JVC - Victor Company of Japan :)
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Old May 31st, 2006, 03:05 PM   #11
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IMO = In my opinion.


That one actually took me a day to figure out when I first go on here haha.
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Old June 3rd, 2006, 04:30 PM   #12
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ENG and GOP?

Could anyone tell me what ENG and GOP mean, and any other similar acronyms? Thanks!
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Old June 3rd, 2006, 04:47 PM   #13
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Quote:
Originally Posted by Perry Shumway
Could anyone tell me what ENG and GOP mean, and any other similar acronyms? Thanks!

ENG= electronic news gathering
GOP= group of pictures
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Old June 3rd, 2006, 05:22 PM   #14
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RTFM -> Read The Funny Manual
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Old June 4th, 2006, 12:06 AM   #15
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NTSC - Never The Same Color
PAL - Picture Always Lousy
SECAM - System Essentially Contrary to the American Method
ATSC - Analog Tools Superceded by Crap

Wait, you wanted the real acronyms? My bad.
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