Secondly, by using "Cutting" options, you can choice a part of video, set a start time and an ending time, you can easily convert and compress a part of video. Firstly, you can change output audio bit rate, because audio content will occupy some file space, you can set a smaller bit rate to reduce file size, or simply set audio quality as "No Sound", then output file will only include video content (silent). The encoding video quality is based output file size, output file size is more bigger and resulting video quality is more higher and more clearer.įurthermore, in order to get a smaller result, software also supports some useful compression options. The generated video format is MP4 container format with H.264 video codec and AAC audio codec. (Bitrate information is displayed as KB/S, KB/S = kiloBits/second). This desired video size is approximate value, resulting file may be smaller or larger than this size, you can change this value as you need. After software open a source video, it will read and show key video information, such as: File Size, Bitrate, Duration, Video Format, Video Bitrate, Audio Format, Audio Bitrate and Video Dimension (Width / Height), then software will calculate an estimated output video size, that is "Desired Video Size". The basic usage is very simple, click on "Open" button to select a video file, then set a desired compressed video size, finally, click "Compress" button to start video compression.įirst of all, the most important option is "Desired Video Size". This software can work with many popular video formats, such as MP4 (MPEG4), MPG, AVI, FLV, F4V, M4V, WMV, MOV, MKV, ASF, RMVB (RM) and more.įreeware, clean and easy to use, free for personal and non-commercial use, get it from a file mirror. In case someone is interested, I could upload the starting part(say, 100MB) of the files on request, the compression ratio is almost consist in the whole process.Free Video Compressor is a free and lightweight video compression software that can compress almost common video files, it can help you to easily shrink a video clip and reduce video file size.
So I guess there should be something such as 'encoding offset' that makes it so different, am I right? They both have similar video content(and similar in common), same encoding(Fraps's YUV colorspace for video, PCM for audio).
So could anyone suggest what should I do to compress it as efficient as the one mentioned above? I have recorded 2 AVIs using Fraps, because I know the video content is similar throughout the file, so I think compressing it using 7-zip would reduce the file size dramatically.Īnd yes, for one AVI, using 64-bit 7-zip with LZMA (dictionary size of 1024MB, word size of 256, completely solid), I achieved a compression ratio of 7% of it, and the file size was 32.5GB -> 2.33GB.īut for another, I could only achieve a compression ratio of ~35%(I haven't finished compressing it but definately it's hopeless for a ratio of lower than 10%).
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