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Videokarte wozu genau?

Video card is what exactly?



Frage von HoggeX:
Juli 2007

My question is this, what is the difference between what you picture on the S-video output of the graphics card on a monitor (-tv) and receives more than one video card or Firewire-> Camcorders (DV-in) -> monitor (-tv)?



Antwort von Markus:

In short: A video card, an A / D converter or a camcorder synonymous astrein provide a video, a graphics card does not necessarily.

This is a link:
2 monitors + 1 = Television does it work?

... and a fairly extensive post video from the forum:

"Of course, the times for NLE editing cards from over. You can basically work without it, but who works with one, the benefits certainly do not want to miss.

Good you can see some difference if you have a Schtzeitschnittsoftware such as Canopus Edius or Adobe Premiere uses - once with and once without the cut card.

[...] The benefits that
are about the relatively cheap real-time (RT) card cut Canopus DV Raptor RT2 max compared to a simple OCHI Firewire card, are enormous:

- Buffered, intelligent computer interface. With the DV port on the DV Raptor RT2 Max motherboard is no simple connection 1394, the synonymous for hard drives,
etc. is used, but is a computer interface as synonymous in a DV camera or DV recorder starts. The advantage: The control of the camera does not take drivers through Windows, Windows, the device does not recognize and manage, but that makes the hardware of the card. This means that there is generally no Kompatiblitätsprobleme with DV devices out there, but synonymous to that any time the computer and disconnect device, or that the PC / software, the device must s.and unsubscribe. Next one has the advantage that the DV data directly of the card can be buffered, which in turn guarantees that no frames for the issue or the recording is lost. Next the device is made synonymous with a controller chip on the DV Raptor RT2 max, the same chip synonymous working in DV camcorders. This has the advantage that even DVD recorder with DV in and out directly or can be connected. The Raptor RT2 Max is the DV signal yet it is now not a DV recorder that directly in real time to spend - over Firewire / OHCI is not possible, because the DVD recorder is not a device logs on. This is synonymous for exotics such as HD recorder, or D-VHS equipment. These work with the DV Raptor RT2 max very easily in conjunction with an editing software.

-
A significant increase in the real-time performance.
An OHCI Firewire card is not intelligent. It transfers data, analyzed and buffers that do not. A real-time editing card split the signal and prepares it for further processing immediately. Filters and Special Effects are adjusted so that the signal processing section of the map here at work can help, and where it makes sense, can relieve the CPU. Thus, the processor is not about the thumbnail for playback s.PC Monitor calculate, since it's the hardware codec,
based on the average card is included, without jedliche equal load on the system miterledigt. And although the best quality, the signal must then only as an overlay to be displayed by Grfikkarte what synonymous of graphics card requires no special power. At the same time, the signal but s.den analog outputs (audio, video (F-BAS), S-Video (Y / C), possibly synonymous nor component (YUV)) in full quality - not to compare with the muddy Picture a TV-out graphics card Einde. It is possible during processing, the cut, when setting of color, white balance, effects, etc., when creating of titles, animations, effects apertures immediately the final result on the device to be considered, namely the Television. Here will be happy to overlook the fact that the (real) preview s.PC monitor not the final result, since a PC monitor either the Halbbildflimmern (interlaced) or the Overscanbereich (when the Picture in the size that is actually visible is later), the correct aspect ratio (DV and DVD are not square pixels) or the correct color can represent. On the monitor, which I subscribe s.analogen output, I always see the correct solution



Antwort von HoggeX:

"Mark" wrote:
In short: A video card, an A / D converter or a camcorder synonymous astrein provide a video, a graphics card does not necessarily.


Thank you for this first comprehensive compilation!

Another question for the understanding, the S-video output of the graphics card delivers so bad and if so how worse video?








Antwort von Markus:

Times click on the link for "This is a link (above post) and read the quoted post of Udo. ;-)



Antwort von HoggeX:

So I think I am going to a Datavideo DAC-6 Save! ;) Thank you




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