DCTV question
6 messages in this thread
I was just wondering if anyone could tell me exactly what DCTV will do for me,
especially video-wise. I've been going through old AmigaWorlds, but I cannot
find any reviews. I know it will capture video, which is the main reason I am
interested in purchasing one, but I want to know how good it is at doing this
and what else it is capable of doing.
Thanks, -Dan
It comes with digipaint,a hires dvtv true color paint ppogram,dctv anims can be
made from almost any amiga anim program.It digitizes a 640×200 or 640×256
screen,maybe supports lacing.the average fils size of a dctv file is from 76k
to200k it has a 3 bitplane modewhich is smaller in size gives 2million color
output,prone to banding and color bleeding,a 4bitplane mode with 4million
colors which are larger but less banding,color bleeds,etc.THey reccomend 5mb of
ram total a minimum of 1 mb ram to use.It plugs into your rgb port to display
out to a composite output,it plugs into your serial port to digitize
images.digital creations sold a rgb adapter for simultaneous viewing on a rgb
monitor and use with a genlock for around 200 dollars
Dan,
DCTV does not capture moving video. It is a slow scan digitizer (approx. 5
to 10 seconds) so if you have a rock solid freeze frame VCR you can scan video
frame stills. It is a very low cost method for working with 24bit images
although the output is composite at a little less than 24bit quality. It will
load 24bit images and convert them to DCTV format or most other Amiga
resolutions. The nice feature of DCTV is that the format is no larger than a
16 color high resolution picture and most anim players can use DCTV images
transparently at high frame rates. I digitize with my camcorder and it works
quite well for still objects (Kids can't keep still for even 5 to 10 seconds,
take their picture and digitize that).
David
(75714,2776)
DCTV will capture very well from a camera, but with tape there could be a
problem. Each scanline has to be 62.5 microseconds long(I think), anyway all
the lines of the picture MUST be of equal length or you could get a 'torn
picture'. Thats what timebase correctors are for. DCTV has built-in software
timebase correcting. Also you have to disable accelerator caches(I forget which
one). Since DCTV's output is NTSC, you could get sone AWFUL<eccch!>
'artifacting' with some kinds of pictures, and the colors are matched to the
NTSC stand and are not true 24-bit. Did you know that NTSC means "Never the
Same Color Twice"?<g> But with many pictures the quality is very good. I won't
knock DCTV; I have one myself and used it with a 15-year old color video camera
(Panasonic PK800)and was very pleased with it.
Thanks, Herman. I appreciate your help with this.
Hi Dan –
If you find that the DCTV will work for you, we have a used one in inventory.
Drop me a CMail note and I'll give you the particulars.
Hank
Videology, Inc Where you always get P.O.M.P. and
Service under all circumstances