In the digital world, video files can beconsidered as one of the most difficult and cumbersome, and sometimes there is a need for their compression. However, as a rule, a reduction in size leads to a loss of quality of the resulting product. But it can be minimized or even tried to avoid completely. Very often, users simply come to a standstill when they first encounter video digitization. It seems strange that a typical video of only half an hour can occupy about ten gigabytes. And if there are several such clips, then there will not be enough disks for their storage. Is there any way to compress video without losing quality?
Yes, this can be done usingVirtualDub. With the help of codecs built into it, the size of video clips can be brought to a completely acceptable, and without losing image quality. This program is free, and it can be easily downloaded either from the developer’s website or from any of the free software catalogs. In addition, VirtualDub has a Russian-language interface for a long time, therefore, it will not be difficult to understand this program.
Before you squeeze a movie without losing quality,You need to open it in the installed program, which is discussed above. The first frame of the video you uploaded will open in its window. Leave the soundtrack as it is, without any changes. To do this, click the Audio menu item and click Direct stream copy. To process the video stream, you need to press the Video buttons and Full Processing mode.
The next step is how to compress video without losingquality, is the choice of the type of codec to compress. The best choice would be DivX. He can compress films without harming their quality. In addition, the clip obtained in this way can be played not only on a computer, but even on an ordinary home DVD player. Therefore, once again click on the Video and Compression buttons, and in the list of codecs that appear, stop your choice on the DivX Pro 5.0.3 Codec. You need to confirm your choice by clicking on the Configure button.
In the course of the procedure, how to compress video withoutloss of quality, you should have an additional window to configure the selected codec. Put a tick in the Profile tab, it should be opposite the Use Bidirectional Encode option. Now you need to go to the General Parameters tab and set the values of all the sliders in it to the Normal position.
Then select on the tab Bitrate ParametersFirst Multipass, 1st pass, which means “Multipass compression, 1st pass”. After that, you need to set the parameters of the bitrate: the higher it is, the better will be the quality of compressed video. All other parameters should be left unchanged. Next, click OK once and then again.
The long awaited moment has come:The next step is exactly how to compress the video without losing quality. In the menu, select File, and then Save as AVI. Upon completion of the operation, you will have a small file at the output, only this is streaming information, but not yet a video. Now you need to go back to the settings of the codec, which are on the tab called Bitrates Parameters, and this time stop the selection at the Multipass, nth pass option, which should be understood as “Multi-pass compression, n-th pass”. Again, double click on OK and save the movie in AVI format again. A sort of double processing of the video as a whole will require a little more time, but the clip will not lose any quality, but its volume will decrease by several orders at a time.
If you do not know how to compress AVI without losingquality, then try the following in the same program: first, from the list of codecs, stop at Xvid MPEG-4 Codec and click Configure. Switch to Target bitrate mode by clicking on the Targetquantizer in a new window, and move the slider to the right. After that, in the More field, click on the button of the same name: a new window will appear, where in the Motion search precision menu you need to set 6 - Ultra High, and in WHQ mode 4, set the WideSearch setting. Further in this and 2 following windows you need to click OK. Next, open the video file and convert it by clicking Save as on the File menu.
