DVI-D to VGA Converters

In fact, even though digital monitors and computer systems have become affordable, some legacy software or hardware systems can only work with VGA monitors. Sometimes, the software needs to be upgraded or even be replaced. Generally speaking, the cost of upgrading the software will be rather high. 

Therefore, people are in need of finding a most affordable solution in terms of dealing with such problem. Fortunately, the DVI-D to VGA converter has been invented to help people solve this tough issue. DVI, short for digital visual interface, is the standard interface for high-performance connection between PCs and flat panel displays, CRT displays, projectors, and HDTV. 

DVI converters are designed by people in order to convert video signals from one device to another device with a non-compatible signal format. The source computer connection and target monitor connection have great influence on your choice of converter. To be honest, it won’t work if you just buy some cheap DVI to VGA adapter plug. To cope with the compatibility issue, the first step you are supposed to take is to identify what your computer uses, namely, whether it uses DVI-D, DVI-A, DVI-I, VGA or HDMI connection. Next, you should figure out the video connection type on monitor or projector.

Generally speaking, a DVI-D to VGA Converter is much more preferred by people as it is a very affordable alternative in comparison with costly software or hardware upgrades. If you don’t want to replace or upgrade operational VGA monitors and legacy systems, a DVI-D to VGA converter is an ideal solution. On the other hand, this can also help you save more money in the future for it can postpone other costly expenditures. Above, such converters really help to extend the life of your equipment and save your money to a rather large degree.

VGA to DVI Converter Box

Generally speaking, analog and digital signals are delivered in quite different modes. As a result, there will be some compatibility issues between electronic products. The VGA to DVI conversion is necessary when the analog signal has to be converted into digital signals.

Mixing analog and digital signals require a supporting device. We can take a VGA graphics card and a digital flat screen sign as good examples. The VGA to DVI-D converter is such a device, which is necessary equipment when you are not able to change the graphics card or the computer. People can get important information such as maps, directions or notifications from the digital center. Such display tools are very common in hospital or airport. To be honest, this is similar to a bulletin board. The only difference is that it has a screen used to present text data and images, which can make it seem like a television display. As a matter of fact, such presentation on the digital message center is changed through some program using software on a control station, typically a computer.

When the signage has to be upgraded, some change will occur in the control station. When the new signage is digital while the controlling computer has a VGA connection, the compatibility issue will emerge. Therefore, a VGA to DVI conversion is required to realize in order to make the sign to be properly received and the signal sent from the control station to be properly presented.

Here is the good news. The VGA to DVI conversion is far more readily available and affordable than upgrading the hardware on the control station. In fact, the operating system and software have to be upgraded to accommodate the new hardware under some circumstances. A VGA to DVI-D converter is much more economical and faster than upgrading hardware and software on the control station.

Decide Between VGA, DVI, and HDMI for Your Monitor Connection

It is of great importance for people to know exactly what type of output ports the computer supports when they are deciding to buy it. After all, what they want is just to be able easily hook up to the computer monitor, or the projector no matter where they are. Therefore, it is advisable for people to make their decisions in a careful way after serious considerations.

As a matter of fact, there is no clearcut standard for video connectors. Therefore, most projectors and even lots of displays have multiple input ports. Generally speaking, there are multiple standards of computer video cables, namely, VGA, DVI and HDMI. In effect, each of them has its own advantage and they are still in competition in order to win people’s favor.

VGA cables can only carry analog signals. As a result, the analog signal sometimes needs to be converted into digital signals, which may lead to some quality loss of the vide source. On the other hand, it’s possible to reach a relatively high range of video resolutions because of using higher frequencies.

DVI, one of VGA’s successors, is appearing more and more on computers and displays, especially on higher-end graphics card and high-resolution computer displays. However, DVI is not considered as the mainstream connector as VGA.

In addition, there are several types of DVI connectors which can handle uncompressed digital video. Therefore, the video quality does not depend on the cable very much. It is safe to say that the video quality can be better in this way.

If DVI is considered to be the successor to VGA, then HDMI is possible the successor to DVI. HDMI enjoys a better fame in comparison with DVI possibly as it often appears on high definition televisions. In effect, HDMI is compatible with newer televisions, which makes it more and more popular in the electronics market. Its compact size is more and more often showing up in computers and computer displays as well.

VGA vs. HDMI

A variety of cables have been adopted by people in daily life and work in order to transmit sound and video quality to one another in computers and televisions. VGA and HDMI are two of those cables and video standards. They are used to hook computer up to the television, which can help people enjoy the video on the television after transmitted from their computers. Therefore, it is safe to say that they are of great use in people’s daily life. If you want to put a movie onto the TV or if you are in need of showing a PPT or slide to a group of friends or family or for a business meeting, then they will help you in many ways.

As a matter of fact, VGA and HDMI cables have two different types of video standards. The VGA is an analog standard which can be used with things like S-Video, radio frequency, D-Terminal and even component video, etc. on the other hand, HDMI is able to connect digitally with audio and video sources like Blu-Ray disc players, DVD players, HD DVD and even things like computers, video game consoles and camcorders.

VGA cables can only offer the video signal. Any other signals including audio can not be offered through VGA. On the other hand, HDMI can offer both video and audio signals. This difference has a lot of influence as you can decide whether you need other cables, connectors or even adapters under some circumstances. As a result, you are supposed to equip an adapter with audio cables when you want to watch movies on the television from your laptop with only a VGA cable. However, if you have an HDMI cable, then you have nothing to worry about when watching the movie on the television from your laptop.

Difference between DVI and VGA

Generally speaking, VGA and DVI connectors are both powerful tools in terms of transmitting video from a source, fro example, a computer or tablet, to a display device, like a monitor, TV or projector. As a matter of fact, the main difference between VGA and DVI lies in how the video signal travels. In effect, VGA connectors and cables are able to carry analog signals while DVI can carry both analog and digital signals. In comparison, DVI is a newer technology which is capable of offering people better and sharper display. Fortunately, it is easy for people to distinguish DVI and VGA as they have obvious physical difference: VGA connectors and ports are blue while DVI connectors are white.

On the other hand, DVI can offer a higher quality signal than VGA. The higher the resolution is, the more noticeable the difference will be. After all, the quality of the video depends on the operation mechanism and the length and quality of the cable. 

However, the operation mechanism of VGA and DVI has no difference for users. Actually, they have no desire to understand the difference between them. For them, both connectors work in the same way: devices have female ports and the connectors have male endpoints.

In application, the operation of VGA and DVI has much difference which happens in the data transmission process. VGA connectors transmit analog signals. As a result, the digital video signal received from the source will be converted to analog signals in order to be transmitted via the cable. When the display device is an old CRT monitor, then it is able to accept the analog signal. However, the majority of display devices used today are digital. Therefore, the analog signal of the VGA connectors will be converted to digital signal in the end. In consequence, the video quality for VGA connectors will suffer some kind of degradation.

VGA - Video Graphics Array

VGA, short for video graphics array, is an interface between a computer and monitor that was widely used before the DVI standard was developed. Introduced by IBM on its PS/2 line in 1987, VGA quickly took the place of the earlier digital CGA and EGA interfaces and enjoyed great popularity among consumers because of its higher resolution and more colors. Generally speaking, VGA systems provide a resolution of 720 by 400 pixels in text mode. Moreover, the resolution is either 640 by 480 (with 16 colors) or 320 by 200 (with 256 colors) in graphics mode. In total, the palette of colors can reach 262,144.

VGA uses analog signals instead of digital signals, which can distinguish it from the earlier graphics standard for PCs, for example, MDA, CGA, and EGA. Older CRTs used VGA, and flat LCD panels typically have both analog VGA and DVI digital. However, as a matter of fact, chances are that some newer PCs are not compatible with VGA interfaces because their monitors are designed for one of the older standards. As a result, VGA is not usable in such systems.

With the rapid development of science and technology, an increasing amount of new and high-tech devices have emerged, which poses some kind of threat to VGA. Those newer devices will provide consumers with greater resolution and more colors. For instance, SVGA, a 8514/A graphics standard, and XGA are mode advanced and easy to utilize. Nonetheless, VGA has always remained the lowest common denominator. Actually, all PCs manufacturers produce today are compatible with VGA. Therefore, you have no need to worry that your computer would fail to work once installed VGA. Although VGA may be not as advanced and versatile as the newly emerged devices, it is still very helpful and powerful.

Magewell XI102XE (Standard) Video Capture Card

1 HD + dual SD video capture card

HD input, DVI, VGA, HDMI, YPbPr, CVBS

Simultaneously capture 1 HD + dual A/V signals

1. Features:

All in One

It innovatively integrates VGA and standard video together. A lot of situations need to capture VGA and analog video simultaneously. The lecture recording: the teacher’s computer + teacher’s video+ students’ video; operation live broadcast: the image of the medical device+ the operation video; security check: X-ray detection machine+ channel video; multiple screen display: integration of multiple video signals.

HD Input

The HD input can dynamically switch formats of signal source, including DVI, HDMI, VGA, component and it supports capture at 1080p 60Hz.

Select One XI102XE, Low Profile or Standard

You can add XI102XE to desktop or work stations of different models easily, which will bring you experience of high quality image. XI102XE has different models, which can be inserted in 2U or standard chassis.

Automatic Detection

It can automatically detect the resolution of input VGA signals, and will automatically adjust it to the best parameters, including automatic detection of timing and phase. The automatic timing detection supports GIF, DMT, CEA and a serial of timing standards. For input signals which do not meet specific timing standards, it will improve and adjust via image analysis algorithm. The phase adjustment can adjust the image to the clearest state automatically. You no longer bother to set manually in order to get your capture image to the best level.

High-quality Experience of Video and Audio

It adopts professional video and audio capture chips. The self-developed technologies of image DMA transmission format, automatic removing black edges, motion-adaptive de-interlacing in FPGA further ensures the image quality. The moving image will not have the phenomenon of trailing and it will be clearer. The high capture sample rate and high sample precision rate ensure the minimum distortion while the high SNR ensures the purity of the sound and brings high-quality experience of audio and video.

High-quality Video Processing

It adopts high-speed PCI-Express interface and technology of large volume image buffer, which effectively avoid the image drawing. The adjustment of image location can be as precise as 1 pixel. Easy and various color adjustment functions, such as adjustment of color contrast, brightness, saturation, hue, Gamma adjustment, can scale images, automatically remove black edges, and bring better and sharper image and purer colors.

Multiple Applications can Capture at the Same Time

It has the function of Simultaneous Streaming. You can use multiple applications to capture one single signal source, and each channel will not lower the frame rate or affect the working efficiency.

Standard Development Interface

The capture interface is based on DirectShow Filter, and the audio capture interface is based on DirectSound. The extension interface is based on IKsPropertySet. It is compatible with more software.

Easy Hardware Update

It adopts Magewell exclusive video processing engines, and it is highly flexible. You update Magewell processing engines by firmware and driver update without replacing the hardware. It can achieve the result of hardware update even if the chips remain unchanged. It largely reduces the cost of maintenance and succeeds in providing perfect service.

2. Accessories:

XI102XE capture card (low profile): 1 PCS

DVI-I breakouts to HDMI+ component: 1

DVI-I to VGA adapter: 1

DIN-6 breakout: 1

Low-Profile bracket: 1

Installation CD-ROM: 1（ship separately）

Packing box: 1（retail only）

3. Tech Specs

Connection	XI102XE Standard Card
Host Interface	PCI-Express x1, Low Profile, 200MB/s transmission bandwidth
Input Interface	1 DVI-I interface (can connect HDMI, VGA, YPbPr)
	2 BNC interfaces (connect 2-channel CVBS)
	1 3.5 mm audio interface (connect unbalanced stereo audio input)
DVI Video Input	1 1080p/60HZ HD DVI signal
HDMI Input	1 1080p/60HZ HD HDMI signal
VGA Input	1 VGA
YPbPr Input	1 YPbPr
CVBS Video Input	Dual SD Video signal
HDMI Audio Input	1 LPCM audio signal
Analog Audio Input	1 analog audio signal
Standard
DVI Input Formats	It meets DVI 1.0 standard, single connetion (480i, 576i, 480p, 576p, 720p, 1080i, 1080p）
HDMI Input Format	It meets HDMI 1.3 standard and support 36 bits DeepColor
YPbPr Input Format	480i, 576i, 480p, 576p, 720p, 1080i, 1080p
VGA Input Format	640×400-2048×1536 when the pixel rate is below 170MHz
	It provides safe mode to VGA and can capture irregular resolutions.
CVBS Input Standard	PAL/NTSC
HD Output Formats	40×30-2048×1536, frame rate: 1-100 fps
SD Output Formats	176×144-768×576, frame rate: 1-30 fps
Sampling Rate and SNR of Analog Audio	Up to 96KHz, 85db, 24 bits
Video Sampling Rate	CVBS: 57.27MHz (4x Oversampling)
	RGB/Component: 170MHz
	HDMI/DVI: 225MHz
Video Sampling Precision	10 bits
Color Space	YUYV, UYVY, I420, RGB 24 Bits, RGB 32 Bits
Video Processing
Switch of Color Space	Hardware Color Switch
De-interlacing	Vertical filter de-interlacing; motion-adaptive de-interlacing
Image Scale	Hardware 5-Tap scale
Image Mirror	Horizontal; vertical
Image Clip	Yes
Image Adjustment	Brightness/contrast/hue adjustment/
	saturation adjustment/control of monochrome and color/
	Gamma adjustment
	seperately adjust the brightness and contrast of R/G/B
Others
OS Support	Support the following operating systems, including x86 and x64:
	Windows XP Professional
	Windows Server2003
	Windows Vista
	Windows Server 2008
	Windows 7
	Windows Server 2008 R2
	Windows 8
Software Compatibility	Windows Media Encoder
	Adobe Flash Media Live Encoder
	Real Producer Plus
	VideoLAN for Windows
Onboard Memory	256MB DDR2, working rate is 160 Mhz, bit width is 64 bits
Update	Firmware can be updated.
Installation	It can be inserted in PCI-Express x4, x8 or x16 slot, and installed in 4U chassis.
Size	102.5mm x 84mm
Power Consumption	<= 6W
Warranty	1-year warranty