video information
A compilation of notes and ideas in my search for knowledge about
video production.
Definitions
- prosumer -- falls between home-movie camera and professional studio
equipment.
- linear editing -- analog -- recorded sequentially
Notes
- VHS and 8mm -- 300 lines or less of horizontal resolution
- S-Video and Hi8 - 425 line of horizontal resolution
- Standard television (NTSC) - 525 horizontal lines (4 X 3 ratio)
about 480 rows (horizontal lines) of pixels actually displayed.
- HDTV - 1,125 to 1,250 lines (16 X 9 ratio)
- Television output (NTSC or PAL)
- composite (RCA jack)
- S-Video format (mini-DIN)
- DV (digital video) - over 500 horizontal lines
- IEEE 1394 is Apple's FireWire or Sony i.LINK
- IEEE 1394 -- 100Mbps
- IEEE-1394b - 400Mbps
- DV is 30Mbps
- full-frame color = 720 x 480 x 24 bits of color is about 1MB per frame
- DV is 30 frames per second
- film is 24 frames per second
- color is stripped to 12 bits per pixel and audio and control data
added equlas about 30Mbps
Suggested digital video cameras
Canon XL1
- interlaced mode (suitable for TV broadcast)
- or progressive scan mode
- can take still shots
- can accomodate four external microphones: separate controls for each track
- single lens kit is $3,800 - $4,4999
- six pounds
- good manual use and control
- interchangable lenses
- viewfinder is an eye-piece
- five hour shooting
Sony DCR-VX2000
- interlaced mode (suitable for TV broadcast)
- or progressive scan mode
- can take still shots
- just one built-in zoom lens
- $2,900 - $4,199
- 530 (was 500) horizontal lines resolution
- image enhancing: fade to black, sepia, superimpose lettering
- can be used for editing
- three pounds
- has view screen
- nine hour shooting
Panasonic AG-DVC10
Canon ZR-10 (Mini-DV)
storage mediums
??use RAID 0
other hardware
ADS technologies PYRO 1394 port -- $59 www.adstech.com
Last updated:
Tue Oct 17 14:44:36 PDT 2000
Previously:
Wed Oct 11 19:33:18 PDT 2000