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Using AVerTV Capture HD in VirtualDub

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The AVerMedia AVerTV Capture HD internal TV tuner model received the "Uniqueness" award from pctuner.ru. It owes this to its hardware implementation and the presence of HDMI and component (YPbPr) inputs, which fully support high-definition video. Owners of this model can connect game consoles and almost any other modern video equipment to the computer in order to display video images on the screen and, of course, for recording.

The included AVer Media Center software has good capabilities, but people who are more or less familiar with the features of capturing and processing video on a computer may not be satisfied with it. This is mainly due to the poverty of the regular settings provided for in the capture part. Still, personally, in this program, the very principle of building its interface confuses me. I don't need a multimedia shell program. For capturing video, I prefer to use programs with the usual Windows application interface.

The hardware implementation of the AVerMedia AVerTV Capture HD TV tuner is by no means simple. Because of this, many conventional video capture programs do not know how to work with this board. More precisely, they know how, but they cannot get to the most interesting thing, namely, to use the HDMI and component (YPbPr) inputs. Quite by chance, it turned out that such a problem does not exist for the free and well-known VirtualDub video editor, which has additional capture functions. It will be discussed further.

VirtualDub is not very good, in my opinion, for capturing video. It is more suitable for video processing, such as cutting out unnecessary fragments, video and / or audio compression. However, for AVerMedia's AVerTV Capture HD TV tuner, it proved to be very useful for capturing as well.

To start capturing, you must select the appropriate mode of operation of the VirtualDub program. This is done in the "File" => "Capture AVI..." menu.

Now you need to select the capture device, which is done in the "Device" menu. If you have several TV tuners connected to your computer or additionally have a webcam, then they will also be in the list presented, since VirtualDub can record from any of the available devices.

The model of the AVerMedia AVerTV Capture HD TV tuner is, in fact, dual, and therefore it is represented in VirtualDub by two devices at once - AVerMedia BDA Analog Capture (DirectShow) and AVerMedia BDA Analog Capture Secondary (DirectShow). The first allows you to get to the possibilities of receiving channels, as well as composite and S-video video inputs. The second device provides access to HDMI and component inputs. Thus, we are more interested in the second device, and we select it.

In the "Video" => "Video source" menu, you can select the signal source for the selected device. For AVerMedia BDA Analog Capture Secondary (DirectShow), Video Composite and Video SVideo are displayed here. In fact, despite the names of the items, the inputs are hidden under them - component and HDMI, respectively. That is, we select SVideo here if we need HDMI.

Since the Overlay video output mode has ceased to exist in the operating systems Windows Vista and Windows 7 in a usable form, here in the "Video" menu, select the "Preview" mode instead of "Overlay". At this stage, if you have applied a signal to the HDMI input, then it should already appear on the screen.

By default, the HDMI signal is output to VirtualDub in low resolution. If you greatly stretch the program window, then at some point you will notice it. To fix this, go to the "Video" menu and select the "Capture pin ..." item.

A small window that appears allows you to select the video resolution. If your HDMI source outputs HD video at a resolution of 1920x1080, then this is the value you select here. Leave the rest as default.

To make the video image on the screen more pleasant to watch, you can additionally select Preview mode in the "Video" => "Preview acceleration" menu. For example, "Progressive - both fields" looks good.

With sound in VirtualDub, too, everything is in order. Including audio is supported, transmitted along with the video image in digital form, via the HDMI interface. The sound device is selected in the "Audio" menu. The "Enable audio capture" and "Enable audio playback" options are also available here, which turn the sound on and off, respectively, for recording and viewing.

In the list of audio devices, "Capture device" is nothing but an HDMI audio device. If you want to record audio transmitted through this interface, then this option should be selected. If you used a separate audio cable, then choose exactly the input where you connected it. For example, the line-in of one of the sound cards in the screenshot is "Line-in (Realtek AC"97 Audio)".

When capturing from a component video input, connecting a separate audio cable to the sound card input is mandatory. For video inputs, composite and S-video, of course, too.

To capture video, you need to select the video stream format, which is done in the "Video" => "Set custom format..." menu. More precisely, if you did everything as it was written above, then here the resolution of 1920x1080 pixels will be selected by default.

Make sure the dialog is set to the permission you need, or set another one you need. Do not touch other parameters. The "YUY2" option is optimal for the vast majority of cases.

Here, in general, and all. Before you start recording, there are two things left to do. First, in the "File" => "Set capture file..." menu, set the file to which the video will be recorded. Secondly, you need to select codecs for video and sound. The choice of the latter depends on your needs, as well as on the performance of your computer. The general advice is... Don't encode the sound, leave it uncompressed. For video, choose codecs that are optimized for real-time compression.

With an AMD Athlon 64x2 4200+ processor-based computer, I was unable to record full-length HD video without dropping frames in AVer Media Center. The MPEG-2 codec proposed by the developers for recording turned out to be too tough. Unfortunately, in the dialogs of the "native" program, there is no way to select other codecs. This is partly why I turned my attention to VirtualDub. This program is very flexible and free. It allows you to take full advantage of all the inputs of the AVerMedia AVerTV Capture HD TV tuner. Using "light" codecs, I was able to record lossless video.

Finally, I advise you to take note that directly when capturing in VirtualDub, you can turn off video output to the screen. Capturing in this mode is not very convenient, but it will save additional resources, which is useful when the computer is in short supply.

Author: Dmitry Kornev; Publication: pctuner.ru

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