Advice 1: How to compress video without losing quality

When you shoot video on the camera, you get a large file. Then it is hard to put to disk. Maybe so that the video plays 10 minutes and is more than 700Mb. It's not like anyone. To reduce the size, it is necessary to compress the file. There are many ways of compression used by various programs. In particular, it is possible to do this with VirtualDub, or Avidemux Any Video Converter Freeware.
How to compress video without losing quality
You will need
  • - Personal computer;
  • program VirtualDub, Any Video Converter Freeware or Avidemux
Instruction
1
Compression of video files using Virtual Dub.
Run VirtualDub. Open the file *.AVI. This can be done by "ctrl+o". In all sections of the check "Full processing mode".
2
You need to choose the codec of your video file. This can be, for example, DivX 6.1.1. Click "Edit". Try to set the bitrate. Click the OK button. Then go to "File" and click "Save" or key "F7". If possible, download onto the computer pack K-Lite Codek Pack. You can select the compression method to XviD MPEG-4 Codec. In "XviD Configuration" reduce the value of "Maximum I-frame interval".
3
In the program, go under "Video" and select "Compression" (hit "ctrl+p").
4
Ask the program team to perform two-pass encoding. Select the bitrate. When the video is compressed, it is possible to connect them. Using file/append AVI file/append AVI segment and open all the pieces that go in order. In Video tab choose direct stream copy. So all the parts are connected.
5
You can try to compress the video using Avidemux. After you install it on your computer download the required file. Set in the tab "video" to the left, the required codec. For example, AVC(h264). Click configure to adjust the quality of the video. Set 2-pass encoding. This will allow you to save the video file in high quality. In the tab "audio", repeat the same procedure. If you want to recode a large number of files, select job-list. It works in batch mode.
6
It is also possible to carry out the procedure using the program Any Video Converter Freeware. Add videos to utility. Go to "File" and "Add video files". Specify the folder where you want to put a video after compression. Your file, reduce the bitrate, frame rate. If desired, adjust codec. Press "Encode file". Save the resulting video.

Advice 2: How to compress video without losing quality

The video files are among the most cumbersome in the world of digital technology. Sometimes you might need compression of such a file, but the reduction in size leads usually to the loss of quality of the product obtained at the output. However, you can minimize losses or even try to avoid them.
The video files by using a codec can compress without loss of quality
You will need
  • computer;
  • video file;
  • the presence of special software
Instruction
1
Most often users come to a standstill for the first time confronted with the digitization of analog video. Ordinary, seemingly, a half-hour clip can take up to a dozen gigabytes. In case of a tie, no drive is not enough storage. Using the program VirtualDub and built-in codecs, the video size can be reduced to acceptable without any quality loss.
2
The program VirtualDub is free, and you can download it either from the developer's site, or from any free directory software. Moreover, VirtualDub has long been a Russian interface, so to understand it will be quite difficult.
3
Open your video file in the program VirtualDub. In the program window will open the first frame of your movie. The audio track is better to leave as it is, without any changes, so click on the menu Audio and select Direct stream copy. For video processing click Video and Full Processing mode. The next step you have to select the type of codec used to compress. It is best to use the DivX codec. It compresses the movies without affecting the quality, and in addition, the video thus obtained, will be played not only on PC but on a normal home DVD player. Therefore, click again on the Video button and then on Compression. In the list of proposed codecs select DivX Pro 5.0.3 Codec. Confirm your selection with the button Configure.
4
You will see an additional window to configure the codec. On the Profile tab, check the checkbox next to Use Bidirectional Encode. Tab General Parameters, and set all the sliders to the position Normal.
Please configure the codec
5
Tab the Bitrate Parameters first, select Multipass, 1st pass, that is, multi-pass compression, first pass. And then set the bitrate parameters. The higher the bitrate, the better the resulting video quality. All other settings should be left unchanged. Click the OK button once followed immediately by a second.
6
Now proceed directly to the compression of the film. Select the menu item File and then Save as AVI. You will receive a small file that has no video, this is just a stream of information. Again, go to settings codec the Bitrates Parameters tab and this time select Multipass, nth pass, literally multi-pass compression of the nth pass. Again click OK and save the video in AVI-format in this way again. This dual treatment will in General require a little more time, but the video will not lose quality, and the volume will decrease by several orders of magnitude.
Note
The higher the quality of the source video, the better will be the result!
Useful advice
In the Internet there are many kinds of programs for video compression, not just VirtualDub.

Advice 3: How to reduce video size without losing quality

When working with videofiles is often necessary to compress video. Typically, compression is performed for larger capacity movies on a disc. DVD movie to fit on a CD, if it is strongly compact. Strong compression leads to a sharp loss of quality of image, sometimes it's very noticeable on the screen you can consider the squares (pixels). To avoid this problem, you need to convert the video file with a lower compression ratio or take advantage of file formats that allow you to do high compression with minimal loss of quality. In this format, or rather the codec is H264 (X264).
How to reduce video size without losing quality
You will need
  • Software Meg Ui.
Instruction
1
To reduce the size of the video file at small loss of quality is possible to use any compound on converting audio and video files. Our choice fell on the Meg program Ui. This utility is quite fast to cope with the set tasks. After you upload the distribution kit of this program on your computer, install the software on the system disk (S).
2
When the program starts you will see the main window where you will perform all the basic steps for conversion of the file. Click the File menu, select Open, in the opened window, locate and select the video file then click "Open".
3
After loading the video file into the program, you will see a new preview window so you do not accidentally confused the selected file with any other. Close this window make sure that selected file really suits you.
4
In the main program window you need to specify the format conversion and other options. Select the MKV format, then H264 (X264). After creating your configuration file, you can see how it will look after conversion. If you are satisfied, press the Save button. A window opens where you can specify where to save the file.
5
To start converting a file, click Start and wait for operation to complete.
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