It surpasses even such efficient compression tool like 7zip and uharc kgb archiver browse kgb archiver 22. File compression in this release is designed to be used only for compressing cold data or writeonce objects and files. Looking at the comparisonchart of compression on kgb s site last night, i saw a 3mb file with the best compression was only 700kb in size. What is the highest compression ratio compressor for pdf, djvu, and images. Hey guys, in this vid im gona show u a really cool software called kgb archiver its a compression software and it helps you make big files small. It makes all the difference in the world, sizewise, because it can create the tinniest archives. Data compression theory abstract data compression technology is necessary in todays multimedia society.
Kgb archiver is the best compressing and decompressing tool with incredible high compression rate. Now, think of how you could represent that data in the l. Although batch zip toolkit is based around the popular zip format, in reality it actually supports different compression formats including lha, gzip, blakhole, cab, tar, lzh, arj, ace and rar. However, at higher compression levels, the time required to compress a file increases significantly.
If youre looking for greatest size reduction regardless of compression speed, lzma is likely your best option. May 05, 2015 i teach data compression and sometimes we do a compressors battle project to see which group of students codes the best compressor. Audio data compression, as distinguished from dynamic range compression, has the potential to reduce the transmission bandwidth and storage requirements of audio data. Strong and secure file compressor for text, multimedia and raw data.
Could kgb archiver be the best compression tool available. By contrast, lossy compression permits reconstruction only of an approximation of the original data, though usually with greatly improved compression rates and therefore reduced media sizes. Install it on your pc, then open the kgb archiver software. However, at higher compression levels, the time required to compress a file. Which file compression software for linux offers the highest. Theoretically, yes, but most files dont contain that much redundant data. Jul 11, 2015 free file compression software free file compressor free file compressor software. Kgb a rchiver works on both windows and linux operating system. Huffman compression, with certain assumptions that usually dont apply to real files, can be proven to be optimal. Start from the simplest case where the input bytes are all the same, lets just assume all zeroes for this example.
This can help to free up additional memory space and to remove clutter from a desktop. These algorithms exploit one or another of the caveats in the huffman optimality proof. What is the highest compression ratio compressor for pdf. Nov 24, 20 7z archiving format was introduced with a free and open source utility called 7zip. Several compression algorithms compress some kinds of files smaller than the huffman algorithm, therefore huffman isnt optimal. To download the software, head to the files section of the page, look in the kgb archiver 2 folder and then download the. Zfs is scalable, and includes extensive protection against data corruption, support for high storage capacities, efficient data compression, integration of the concepts of filesystem and volume management, snapshots and copyonwrite clones, continuous integrity checking and. Lossy audio compression algorithms provide higher compression at the cost of fidelity and are used in numerous audio applications. Kgb archiver download 2020 latest for windows 10, 8, 7.
Kgb archiver uses aes256 encryption to encrypt archives. Lossy audio compression algorithms provide higher compression at the cost of fidelity and are used in numerous audio. File compression uses the zlib data compression library and favors saving space over speed. Jan 31, 20 to download the software, head to the files section of the page, look in the kgb archiver 2 folder and then download the. Kgb archiver download most powerful file compressor nowadays.
Apr 25, 20 features of kgb archiver compression software. The heart acts as a pump, moving blood around the body through the network of blood vessels. In particular it gives a very nice theory about how probabilities are related to information content and code length. Another question about compression algorithms is how does one judge the quality of one ver.
Besides it encrypts the files with the aes256 encryption to make secure the compression. Bulkzip is a commercial file compressionfile archiving software, providing you with strong and secure data compression. Compression algorithms for real programmers the for real. Zfs is a combined file system and logical volume manager designed by sun microsystems. See all 2 formats and editions hide other formats and editions.
Kgb archiver is free and open source software which compresses 1gb file to 10mb file. Is it really possible to compress a 1gb file into 7mb with. Lossless compression is a class of data compression algorithms that allows the original data to be perfectly reconstructed from the compressed data. Lz4 compression algorithm wikimili, the free encyclopedia. There are many features provided in kgb archiver like you can select the level of compression required ranging from high, maximum, normal, low, very weak to compress a file. Methods and theory, principles of computer science ser. In practice, most video codecs are used alongside audio compression techniques to store the separate but complementary data streams as one combined package using socalled container formats. Is there any theoretically proven optimal compression algorithm. From the many times we run this project the most popular compression technique are the block. In theory, and i dont know of any implementation of this idea, you could have an archiver that undoes the simple gzip or other entropy coding of pdf, png, jpeg, and various other alreadycompressed file formats. Which file compression software for linux offers the. Package lzw implements the lempelzivwelch compressed data format, described in t. It is the most advanced general compression and archiving format which supports most of the data compression and encryption algorithms, including the ones we have discussed above. There is a close connection between machine learning and compression.
Then compress that stream with something good like lzma. Looking at the comparisonchart of compression on kgbs site last night, i saw a 3mb file with the best compression was only 700kb in size. This great compression tool compresses files with a high compression rate. Wikipedia and various books are always talking from a 88 matrix to work with. You can customize the strength of the compression up to 10 levels.
This is the form of video compression most people are familiar with. File compression processes consecutive segments of a file. Kgb archiver is the compression tool with unbelievable high compression rate. It allows compress and decompress zip files also and associated this archives with kgb archiver. The last contribution in this sense corresponding to the refined compression field theory rcft, 2009. Video compression is a practical implementation of source coding in information theory. Functioning much in the same way as winzip, this bundle tends to offer more lightweight benefits and it is absolutely free to download.
It is used to reduce costs and increase efficiency in the maintenance of large volumes of datausing coding methods, such. When comparing the various compressions, generally the tradeoff is time vs. Computing the refined compression field theory springerlink. Jul 05, 20 kgb archiver is free and open source software which compresses 1gb file to 10mb file. I teach data compression and sometimes we do a compressors battle project to see which group of students codes the best compressor. Obviously if youre compressing something like a text document, you dont want to.
This powerful software tool is completely free and simple to use. For example, intel learned that if they worked with other software companies, microsoft would focus their efforts in compiling windows for nonintel hardware. So to make data compression highly reliable and optimistic today i am going to tell you about kgb archiverutility,it is a software program like winrar,winzip which also compress your data but in very high tendency. Compression algorithms for real programmers describes the basic algorithms and approaches for compressing information so you can create the smallest files possible. Welch, a technique for highperformance data compression, computer, 176 june 1984, pp 819. Kgb archiver is a discontinued file archiver and data compression utility that employs the paq6 compression algorithm. For ptivate users, bulkzip is unrestricted and completely free.
Features of kgb archiver compression software there are many features provided in kgb archiver like you can select the level of compression required ranging from high, maximum, normal, low, very weak to compress a file. Theory of compression the circulatory system the first step in understanding compression is to understand the circulatory system fig 1. Information application based on a variety of coding methods to minimize the amount of data to be stored, retrieved, or transmitteddata compression can be applied to various forms of data, such as images and signals. On the next window, select the folder path where you want to save the new compressed file and choose a name of the new compressed file.
Kgb archiver allows you to easily compress all types of files. Some of the other features offered from kgb archiver compression tool are as follows. Data compression has important application in the areas of file storage and distributed systems. As a consequence, the program uses memory and cpu intensively. As we will see, this theory matches practice almost perfectly, and we can achieve code lengths almost identical to what the theory predicts. This is due to the fact that its compression rate is amazing, almost unique in its software category. Select compress files option from the list and click next button. Below is about a windows version that you can try to runcompile kgb on linux, but i did not succeed. After running through the installation the compression tool can be accessed through the context menu in explorer just right click a file, folder, or selection of items and. File decompression is when you return the file to its original size.
Concepts from information theory, as they relate to the goals and evaluation of data compression methods, are discussed briefly. Can kgb archiver really compress a 1gb file to 1mb. May 27, 2017 theoretically, yes, but most files dont contain that much redundant data. Mar 15, 2009 do you know that kgb archiver is one of the worlds most powerful file compression software. Feb 03, 2002 batch zip toolkit is the award winning, all in one file compression package that allows you to compress and decompress files individually in batch. I tried kgb and it doesnt take full benefit of my cpu. Another company that sells products based on wavelet compression, with some nice. Choose compress files from the options and click next 3. A company that sells products based on wavelet compression and has a nice short overview of wavelet theory off of their home page.
The bad part is that most often you dont save nearly as much space as you would with other lossy compression algorithms. On the next window, you can change the directory location where you want to put the file, give a name to your new archive and add files or directory. Audio compression algorithms are implemented in software as audio codecs. Super image compression utility,high image compression. May 01, 2011 so to make data compression highly reliable and optimistic today i am going to tell you about kgb archiverutility,it is a software program like winrar,winzip which also compress your data but in very high tendency. Microsoft became the face of computing in the 90s due to a mixture of goodenough software, aggressive marketing, and an even more aggressive stranglehold on hardware vendors.
Audio data compression, not to be confused with dynamic range compression, has the potential to reduce the transmission bandwidth and storage requirements of audio data. Apr 15, 20 kgb archiver is the compression tool with unbelievable high compression rate. Data compression wikimili, the best wikipedia reader. It surpasses even such efficient compression tool like 7zip and uharc in terms of the abilities. The circulatory system includes the heart and blood vessels arteries, veins and capillaries. The ins and outs of video compression anime music video. One of the reasons why users say that kgb archiver is one of the worlds most powerful file compression software is its ability to turn a 1gb file to a mere 10mb file after compression just an example. The counterpart to the great compression rates that succeed, is that it needs much more time and ram to compress the files. Compressing other types of data can result in performance degradation.
Kgb archiver not only brings you the highest known compression, but also aes256 encryption, and the ability to create selfextracting files. Select the files which you want to compress by clicking on add file option, you can also. Data compression utility of this software is based on paq6 algorithm which has aes256 powerful encryption. That means, no matter how hard you try, you will never. The majority of all video codecs out there are lossy, meaning that when you compress the video and then decompress it, you do not get back what you put in. Lz refers to lempel and ziv, the algorithms creators, and dictionary refers to the method of cataloging pieces of data the system for arranging dictionaries varies, but it could be as simple as a numbered list. In computer science and information theory, data compression, source coding, 1 or bitrate reduction involves encoding information using fewer bits than the original representation. The aim of data compression is to reduce redundancy in stored or communicated data, thus increasing effective data density. This page is comprehensive including an online introduction to wavelets. Kgb archiver is a software package that will allow users to compress files into more manageable formats. Bulkzip can decompress rar, zip and other files downloaded from the internet, as well as create new. It has ten levels of compression, from very weak to maximum. Jan 17, 2017 download uharc cmd brings the full power of uharc, one of the most effective compression commandline tools to be ever created, directly within the windows shell.
Do i understand it right, if i got an 1616 pixel image i got 4 of. In theory, and i dont know of any implementation of this idea, you could have an archiver that undoes the simple gzip or other entropy coding of pdf, png. If you want to compress files into zip or kbp format, then there is no better option out there. Using this technology, information can be transmitted in a shorter amount of time and the storage space can be made smaller.
Nov 29, 2015 kgb archiver is the compression tool with unbelievable high compression rate. File compression is when you use tools to make a file take up less space on a storage device. Lossless compression reduces bits by identifying and eliminating statistical redundancy. How to create my own basic compression algorithm for files. How to get a super compressing software kgb archiver duration. These new algorithms are making it possible for people to take impossibly large audio and video files and compress them enough that they can flow over the internet. There are many different lossless codecs these days, some of which are described later on in this guide. Understanding the various compression, encryption and archive. Download uharc cmd brings the full power of uharc, one of the most effective compression commandline tools to be ever created, directly within the windows shell. Next select the compression level from normal to maximum and leave archive format as kgb by default.
130 1293 514 285 497 649 287 1264 4 1491 504 1503 1536 402 462 1257 925 1461 15 146 582 363 5 26 253 448 289 145 1177 1143 1041