Technical Specifications for Indy Video(tm) and Indigo2(tm) Video

Indigo2 Video is available for all graphics versions of the Indigo2 workstation.

Inputs

2 Composite, 1Y/C (S-video), 1 SGI Digital*

*Optional for Indy Video. Only one input selectable at a time.

Outputs

1 Composite, 1 Y/C (S-video), 1 SGI Digital

Connectors

RCA, 4-pin mini-DIN, 60-pin LFH

Standards Supported

525/60 (NTSC) and 625/50 (PAL), software selectable

Scaling

Scan converted output: 1280 x 960 graphics to NTSC and PAL sized video output

Zoom display: 2x,3x,4x,5x,6x,7x

Filtered decimated display: 1/2, 1/3, 1/4, 1/5, 1/6, 1/7

Filtered decimated capture: 1/2, 1/4

Resolutions and Sampling

NTSC-sized video input/output windows

PAL-sized video input/output windows

4:2:2 YUV color space

8 bits per component

Square pixel

Genlock

Genlock to luminance or composite inputs

Genlock Jitter <15nSec

Interlace Filters

Input: Deinterlace filter

Output: Anti-flicker filter

Blanking and Encoding

Horizontal blanking: 11.4 µsec NTSC, 11.9 µsec PAL

Horizontal phase: 3 µsec advance to 1 µsec delay

SC-H phase: Adjustable +/- 180 degrees

Access is provided to data in vertical blanking (VITC, closed caption, teletext, etc.)

Decoding

Chrominance trap color separation (composite only)

Selectable coring

Adjustable hue control (+/- 180 degrees)

Automatic chrominance and luminance gain

Selectable aperture filters

Automatic notch filter

Output Levels

NTSC composite, Y/C: 714mV

PAL composite, Y/C: 700mv

Output Video Gamma Table: 8 bit

DC on Video Output: +/- 250 mV

Regulatory Requirements

FCC Class A

Physical

The Indy Video and Indigo2 Video option includes a video circuit board with back-panel I/O spigots and system software. The circuit board includes four on-board frame buffers.

Optional Products from Silicon Graphics

Cosmo Compress JPEG video compression board

Digital Media Development Option