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DV
Capture
DV means real video, with full-size, full-rate capture,
and on standard computers. The associated 1394 / Firewire
interface provides a standard connection that allows you
to use your DV equipment with many different editing applications.
And the 1394 interface is bi-directional, so you can not
only capture from a DV camcorder, but also export your
edited production back to DV tape to archive and share
While all movies on a computer are composed of ones and
zeros and are therefore digital, Digital Video with a
capital "D" and a capital "V" stands
for a very specific format of video, just like VHS or
High-8. This format can be understood (played back, recorded)
by your camcorder and also by your computer, if you have
the proper hardware (capture card) and software (DV codec).
The most exciting thing about DV is that it can be copied
from your camcorder to your computer, and then back to
your camcorder (after editing, of course) without any
loss of quality.
Analog Video Capture
An analogue input source (TV, (S)VHS, Camcorder, etc.)
is digitized and stored on a computer.
In the old days of video editing on computers, one
of the most difficult challenges was the first step of
getting your video into the computer. This required converting
from analog format, for example on a 8mm camcorder, into
digital format on your hard disk. All you need is a video
input on your PC. You can either use the video input of
your TV- Capture device or the video input of your Graphics
card (e.g. ASUS Deluxe or ATI All in Wonder serie). Using
the video input of your GFX card will result in a better
signal
Capture Resolution
There are two different systems which are commonly
used (PAL and NTSC). PAL (Phase Alternate LINE) is used
in most European countries (France and some Eastern Europe
countries use SECAM which is closely related to PAL).
On the PC the TV picture can be displayed in various resolutions,
up to the native PAL resolution (768x576). The maximum
resolution you can use to capture depends on your capture
card and most cards support 7**x576 where the horizontal
resolution only depends on your capture device. In order
to keep the proper aspect ratio of the picture you can
capture either at full resolution (768x576) or at 1/4
resolution (384x288). If you intend to put the video on
a VCD use 352x288 pixels, for SVCDs use 480x576 (both
times the picture will be horizontally squeezed a bit
and then unstretched during playback).
· Using 1/4 resolution has a distinctive advantage.
The output will not have any interlacing effects making
deinterlacing unnecessary . For more information about
this please refer to :
http://www.doom9.org
Capture Codec
Basically, your analog capture should be (almost)
lossless. Huffyuv
produces the best quality, but when choosing a higher
resolution you need enormous amounts of disk space. Still,
the codec is free. The second choice is the PicVideo
MJPEG codec. The PicVideo version is good because
it consumes rather few resources. Other MJPEG codecs are
provided by Morgan and Leadtech. The difference between
PicVideo and Huffyuv are that you can adjust the encoding
quality in the MJPEG codec. Using the highest setting
(20), the file size can get as large as the Huffyuv file,
but if you use 18 or 19 the file size decreases significantly
without harming the video quality. For DV capture/transfer
try to use Mainconcept
DV codec
Video Capture program for Analog and DV source
VirtualVCR
Virtual VCR is a DirectShow video capture application
that allows you to capture Audio and Video to your hard
drive in the AVI file format.Features Summary : Arbitrary
resolution settings (480x576 etc). Compression codec selection
and setup (Video and Audio) Smart Tee Preview for capturing
and previewing at full resolutions Pre Filtering allows
use of installed DirectShow filters [more] Video crop
before capture Can be used with a Scheduler to capture
at preset times [more] Command line options for use in
BAT files etc Real-time Capture stats including compression
ratio, bytes sec etc Small, Fast and Free
VirtualDoub
VirtualDub is a video capture/processing utility for
32-bit Windows platforms (95/98/ME/NT4/2000/XP), licensed
under the GNU General Public License (GPL). It lacks the
editing power of a general-purpose editor such as Adobe
Premiere, but is streamlined for fast linear operations
over video. It has batch-processing capabilities for processing
large numbers of files and can be extended with third-party
video filters. VirtualDub is mainly geared toward processing
AVI files, although it can read (not write) MPEG-1 and
also handle sets of BMP images.
AVI_IO
Currently AVI_IO supports OHCI compliant boards or
any other DV board as long as there is a Video for Windows
capture driver installed for it, or a working WDM DirectShow
wrapper. The support is currently limited to capturing
only and also does not include device controlls. Boards
known to work well are the ADS Pyro, the Exsys, SIIG and
Pinnacles Studio DV. You need Windows 98SE or Windows
2000 or better, since only those platforms have a working
WDM wrapper.
WinDV
WinDV is a small and easy to use Windows application
for capturing videos from DV device (camcorder) into AVI-files
and for recording AVI-files into DV device via FireWire
(IEEE 1394) interface. Capturing is very reliable thanks
to use of large buffer queue
ScenalyzerLive
ScenalyzerLive (short: ScLive) makes capturing video and
selecting useful scenes from your DV-tapes very easy,
comfortable and FUN! Sclive is the "missing link"
between the Camera and your editing-program
This software features: CAPTURING with REAL TIME SCENE
DETECTION, SEAMLESSLY CAPTURE/PLAYBACK TIME-LAPSE CAPTURING,
QUICKLY INDEX YOUR TAPE, SMART BATCHCAPTURING, EASY STILLS
EXPORT
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