EECS 150 : Components and Design Techniques for Digital Systems Spring 2003 VidFx

EECS : Electrical Engineering and Computer Sciences

Project Name : VidFx

Board : Calinx 2

Outline :

Analog Video Input : PAL video only.

– 1 Pixel = Picture Element (Dot on Screen)

– 864 Pixels / Line

– 432 (CR, CB)/colour-difference signal

– 625 Lines / Frame

– 25 Frames/Sec

– 720 Active Pixels / Line

– 487 Active (Viewable) Lines / Frame

– Our Cameras: ？？？ Non-Blanking

Lines

– Interlaced Video (Next Class)

Table 1. Typical Frequencies for Common TV and Computer Video Formats

Video Format	NTSC	PAL	HDTV/SDTV	VGA	XGA
Description	Television Format for North America and Japan	Television Format for Most of Europe and South America	High Definition/ Standard Definition Digital Television Format	Video Graphics Array (PC)	Extended Graphics Array (PC)
Vertical Resolution Format (visible lines per frame)	Approx 480 (525 total lines)	Approx 575 (625 total lines)	1080 or 720 or 480; 18 different formats	480	768
Horizontal Resolution Format (visible pixels per line)	Determined by bandwidth, ranges from 320 to 650	Determined by bandwidth, ranges from 320 to 720	1920 or 704 or 640; 18 different formats	640	1024
Horizontal Rate (kHz)	15.734	15.625	33.75-45	31.5	60
Vertical Frame Rate (Hz)	29.97	25	30-60	60-80	60-80
Highest Frequency (MHz)	4.2	5.5	25	15.3	40.7

Here is an overview of different video display resolution standards and de-facto standards in use:

Computer Standard	Resolution
VGA	640 x 480 (4:3)
SVGA	800 x 600 (4:3)
XGA	1024 x 768 (4:3)
WXGA	1280 x 768 (15:9)
SXGA	1280 x 1024 (5:4)
SXGA+	1400 x 1050 (4:3)
WSXGA	1680 x 1050 (16:10)
UXGA	1600 x 1200 (4:3)
UXGAW	1900 x 1200 (1.58:1)
QXGA	2048 x 1536 (4:3)
QVGA (quarter VGA)	320 x 240 (4:3)
Analogue TV Standard	Resolution
PAL	720 x 576
PAL VHS	320 x 576 (approx.)
NTSC	640 x 482
NTSC VHS	320 x 482 (approx.)
Digital TV Standard	Resolution
NTSC (preferred format)	648 x 486
D-1 NTSC	720 x 486
D-1 NTSC (square pixels)	720 x 540
PAL	720 x 486
D-1 PAL	720 x 576
D-1 PAL (square pixels)	768 x 576
HDTV	1920 x 1080
Digital Film Standard	Resolution
Academy standard	2048 x 1536

System	Lines	Channel	Vision	Sound	Vision	Sound	Zweiton	Nicam
B	625	7MHz	5MHz	+5.5MHz	-VE	FM	+5.742MHZ	+5.85MHZ
D	625	8MHz	6MHz	+6.5MHz	-VE	FM	+6.742MHZ	-
G,H	625	8MHz	5MHz	+5.5MHz	-VE	FM	+5.742MHz	+5.85MHz
I	625	8MHz	5.5MHz	+6.0MHz	-VE	FM	-	+6.552MHz
K,K1	625	8MHz	6MHz	+6.5MHz	-VE	FM	-	-
L	625	8MHz	6MHz	+6.5MHz	+VE	AM	-	+5.85MHz
M	525	6MHz	4.2MHz	+4.5MHz	-VE	FM	+4.72MHz	-
N	625	6MHz	4.2MHz	+4.5MHz	-VE	FM	-	-