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Enquiries concerning reproduction outside those terms should be sent to the publishers.  \nThe use of registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant laws and regulations and therefore free for general use.  \nThe publisher makes no representation, express or implied, with regard to the accuracy of the information contained in this book and cannot accept any legal responsibility or liability for any errors or omissions that maybe made.  \n9 8 7 6 5 4 3 2 1  \nSpringer Science+Business Media, LLC [springer.com](springer.com)  \nData Compression  \nFourth Edition  \nTo Wayne Wheeler, an editor par excellence  \nWrite your own story. Don’t let others write it for you.  \nChinese fortune-cookie advice  \nPreface to the Fourth Edition  \nI was pleasantly surprised when in November 2005 a message arrived from Wayne Wheeler, the new computer science editor of Springer Verlag, notifying me that he intends to qualify this book as a Springer major reference work (MRW), thereby releasing past restrictions on page counts, freeing me from the constraint of having to compress my style, and making it possible to include important and interesting data compression methods that were either ignored or mentioned in passing in previous editions.  \nThese fascicles will represent my best attempt to write a comprehensive account, but computer science has grown to the point where I cannot hope to be an authority on all the material covered in these books. Therefore I’ll need feedback from readers in order to prepare the official volumes later.  \nI try to learn certain areas of computer science exhaustively; then I try to digest that knowledge into a form that is accessible to people who don’t have time for such study.  \n—Donald E. Knuth, [http://www-cs-faculty.stanford.edu/](http://www-cs-faculty.stanford.edu/) ~knuth/ (2006)  \nNaturally, all the errors discovered by me and by readers in the third edition have been corrected. Many thanks to all those who bothered to send error corrections, questions, and comments. I also went over the entire book and made numerous additions, corrections, and improvements. In addition, the following new topics have been included in this edition:  \n Tunstall codes (Section 2.4) . The advantage of variable-size codes is well known to readers of this book, but these codes also have a downside; they are difficult to work with. The encoder has to accumulate and append several such codes in a short buffer, wait until n bytes of the buffer are full of code bits (where n must be at least 1), write then bytes on the output, shift the buffer n bytes, and keep track of the location of the last bit placed in the buffer. The decoder has to go through the reverse process. The idea of Tunstall codes is to construct a set of fix","cbCaitUhdfxIrKKA","https://ap.wps.com/l/cbCaitUhdfxIrKKA","pdf",5610792,1111,"English","# Preface to the Fourth Edition\n## New topics included in this edition\n### Tunstall codes\n### Recursive range reduction (3R)\n### LZARI\n### RAR\n### 7-z and LZMA\n### H.264\n### WAVE audio format","[{\"question\":\"What motivates the expanded content in the Fourth Edition?\",\"answer\":\"The preface explains that an editor message enables the book to be qualified as a Springer major reference work, removing page-count restrictions and allowing inclusion of additional, previously omitted or lightly mentioned methods. It also states readers’ feedback will help prepare official volumes later.\"},{\"question\":\"Which compression-related topics are highlighted as newly included in the Fourth Edition?\",\"answer\":\"The preface lists Tunstall codes, recursive range reduction (3R), LZARI, RAR, and 7-z and LZMA as new or emphasized topics. It also mentions additions across sections, including H.264 and coverage of the WAVE audio format.\"},{\"question\":\"What is the focus of Tunstall codes in the context of variable-size coding?\",\"answer\":\"Tunstall codes construct fixed-size code sets, each encoding a variable-size string of input symbols. The preface contrasts the known advantage of variable-size codes with the downside: practical difficulty for encoders and decoders to handle their buffering and reverse processing.\"}]","Data Compression - Fourth Edition | PDF",1789974212,2800]