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ITU-T Rec. T.800 (08/2002) Information Technology
INTERNATIONAL TELECOMMUNICATION UNION ITU-T T.800 TELECOMMUNICATION (08/2002) STANDARDIZATION SECTOR OF ITU SERIES T: TERMINALS FOR TELEMATIC SERVICES Information technology – JPEG 2000 image coding system: Core coding system ITU-T Recommendation T.800 INTERNATIONAL STANDARD ISO/IEC 15444-1 ITU-T RECOMMENDATION T.800 Information technology – JPEG 2000 image coding system: Core coding system Summary This Recommendation | International Standard defines a set of lossless (bit-preserving) and lossy compression methods for coding bi-level, continuous-tone grey-scale, palletized color, or continuous-tone colour digital still images. This Recommendation | International Standard: – specifies decoding processes for converting compressed image data to reconstructed image data; – specifies a codestream syntax containing information for interpreting the compressed image data; – specifies a file format; – provides guidance on encoding processes for converting source image data to compressed image data; – provides guidance on how to implement these processes in practice. Source ITU-T Recommendation T.800 was prepared by ITU-T Study Group 16 (2001-2004) and approved on 29 August 2002. An identical text is also published as ISO/IEC 15444-1. ITU-T Rec. T.800 (08/2002 E) i FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. -
Why ODF?” - the Importance of Opendocument Format for Governments
“Why ODF?” - The Importance of OpenDocument Format for Governments Documents are the life blood of modern governments and their citizens. Governments use documents to capture knowledge, store critical information, coordinate activities, measure results, and communicate across departments and with businesses and citizens. Increasingly documents are moving from paper to electronic form. To adapt to ever-changing technology and business processes, governments need assurance that they can access, retrieve and use critical records, now and in the future. OpenDocument Format (ODF) addresses these issues by standardizing file formats to give governments true control over their documents. Governments using applications that support ODF gain increased efficiencies, more flexibility and greater technology choice, leading to enhanced capability to communicate with and serve the public. ODF is the ISO Approved International Open Standard for File Formats ODF is the only open standard for office applications, and it is completely vendor neutral. Developed through a transparent, multi-vendor/multi-stakeholder process at OASIS (Organization for the Advancement of Structured Information Standards), it is an open, XML- based document file format for displaying, storing and editing office documents, such as spreadsheets, charts, and presentations. It is available for implementation and use free from any licensing, royalty payments, or other restrictions. In May 2006, it was approved unanimously as an International Organization for Standardization (ISO) and International Electrotechnical Commission (IEC) standard. Governments and Businesses are Embracing ODF The promotion and usage of ODF is growing rapidly, demonstrating the global need for control and choice in document applications. For example, many enlightened governments across the globe are making policy decisions to move to ODF. -
Supported File Types
MyFax Supported File Formats Document Type Versions Extensions Adobe Portable Document Format (PDF) All Versions PDF Adobe Postscript All Versions PS Adobe Photoshop v. 3.0 and above PSD Amiga Interchange File Format (IFF) Raster Bitmap only IFF CAD Drawing Exchange Format (DXF) All AutoCad compatible versions DXF Comma Separated Values Format All Versions CSV Compuserve Graphics Interchange Format GIF87a, GIF89a GIF Corel Presentations Slide Show v. 96 and above SHW Corel Word Perfect v. 5.x. 6, 7, 8, 9 WPD, WP5, WP6 Encapsulated Postscript All Versions EPS Hypertext Markup Language HTML only with base href tag required HTML, HTM JPEG Joint Photography Experts Group All Versions JPG, JPEG Lotus 1-2-3 v. 2, 3, 4, 5, 96, 97, 9.x 123, WK1, WK3, WK4 Lotus Word Pro v. 96, 97, 9.x LWP Microsoft Excel v. 5, 95, 97, 2000, 2003, 2007 XLS, XLSX Microsoft PowerPoint v. 4 and above PPT, PPTX Microsoft Publisher v. 98, 2000, 2002, 2003, 2007 PUB Microsoft Windows Write All Versions WRI Microsoft Word Win: v. 97, 2000, 2003, 2007 Mac: v. 4, 5.x, 95, 98 DOC, DOCX Microsoft Word Template Win: v. 97, 2000, 2003, 2007 Mac: v. 4, 5.x, 95, 98 DOT, DOTX Microsoft Works Word Processor v. 4.x, 5, 6, 7, 8.x, 9 WPS OpenDocument Drawing All Versions ODG OpenDocument Presentation All Versions ODP OpenDocument Spreadsheet All Versions ODS OpenDocument Text All Versions ODT PC Paintbrush Graphics (PCX) All Versions PCX Plain Text All Versions TXT, DOC, LOG, ERR, C, CPP, H Portable Network Graphics (PNG) All Versions PNG Quattro Pro v. -
Server Administration Manual Release Latest
Nextcloud Server Administration Manual Release latest The Nextcloud developers Oct 01, 2021 CONTENTS 1 Introduction 1 1.1 Videos and blogs.............................................1 1.2 Target audience..............................................1 2 Release notes 3 3 Maintenance and release schedule5 3.1 Major releases..............................................5 3.2 Maintenance releases...........................................5 3.3 Older versions..............................................6 4 Installation and server configuration7 4.1 System requirements...........................................7 4.2 Deployment recommendations......................................9 4.3 Installation on Linux...........................................9 4.4 Installation wizard............................................ 17 4.5 Installing from command line...................................... 21 4.6 Supported apps.............................................. 22 4.7 SELinux configuration.......................................... 24 4.8 NGINX configuration.......................................... 27 4.9 Hardening and security guidance.................................... 36 4.10 Server tuning............................................... 40 4.11 Example installation on Ubuntu 20.04 LTS............................... 42 4.12 Example installation on CentOS 8.................................... 44 4.13 Example installation on OpenBSD.................................... 48 5 Nextcloud configuration 53 5.1 Warnings on admin page........................................ -
Kdv-Mp6032u Dvd-Receiver Instruction Manual Receptor Dvd Manual De Instrucciones Receptor Dvd Manual De Instruções
KDV-MP6032U DVD-RECEIVER INSTRUCTION MANUAL RECEPTOR DVD MANUAL DE INSTRUCCIONES RECEPTOR DVD MANUAL DE INSTRUÇÕES © B64-4247-08/00 GET0556-001A (R) BB64-4247-08_KDVMP6032U_en.indb64-4247-08_KDVMP6032U_en.indb 1 008.5.98.5.9 33:38:29:38:29 PPMM Contents Before use 3 Listening to the USB Playable disc type 6 device 23 Preparation 7 Dual Zone operations 24 Basic operations 8 Listening to the iPod 25 When connecting with the USB cable Basic operations Operations using the control screen — Remote controller 9Listening to the other external Main elements and features components 29 Listening to the radio 11 Selecting a preset sound When an FM stereo broadcast is hard to receive FM station automatic presetting mode 31 — SSM (Strong-station Sequential Memory) General settings — PSM 33 Manual presetting Listening to the preset station on Disc setup menu 37 the Preset Station List Disc operations 13 Title assignment 39 Operations using the control panel More about this unit 40 Selecting a folder/track on the list (only for MP3/WMA/WAV file) Troubleshooting 47 Operations using the remote controller Operations using the on-screen bar Specifications 51 Operations using the control screen Operations using the list screen 2 | KDV-MP6032U BB64-4247-08_KDVMP6032U_en.indb64-4247-08_KDVMP6032U_en.indb 2 008.5.98.5.9 33:38:33:38:33 PPMM Before use 2WARNING Cleaning the Unit To prevent injury or fire, take the If the faceplate of this unit is stained, wipe it with a following precautions: dry soft cloth such as a silicon cloth. If the faceplate is stained badly, wipe the stain off • To prevent a short circuit, never put or leave any with a cloth moistened with neutral cleaner, then metallic objects (such as coins or metal tools) inside wipe it again with a clean soft dry cloth. -
VMP74 Datasheet
VMP74 Full HD Digital Media Player Infinite Digital Entertainment Hot and loud without the heat and noise The changing face of media requires new ways to integrate this revolution into an existing home viewing experience. Enjoying a library of unlimited music and video content is possible using the ViewSonic VMP74. With no moving parts and generating no heat, the VMP74 invisibly integrates into any home cinema environment. In addition to online video sources such as BBC iPlayer * and YouTube, the VMP74 connects to social networks such as Flickr and Facebook allowing constant access within a big screen experience. The powerful processor of the VMP performs seamless 1080p up-scaling of most video formats and delivers cinema quality audio. *VMP74: BBCi Player is available on the VMP74 in the UK only Corporate names, trademarks stated herein are the property of their respective companies. Copyright © 2010 ViewSonic® Corporation. All rights reserved. VMP74 Infinite Digital Entertainment > Multi-format support: The VMP74/75 support all major video, audio and photo formats, including MKV,AVI, MOV, JPG, WAV, MP4, MP3, FLAC and Internet radio broadcasts. > Video-on-Demand from all over the world: Video programs can be streamed from sources such as the BBC iPlayer or YouTube for virtually an unlimited selection of online content. > Internet surfing: Thanks to the solid Internet functions of VMP74, it is possible to freely explore the internet and visit social networking sites without using a dedicated expensive and power hungry PC. > Full HD video and audio support: The entire ViewSonic ® VMP Series delivers Full HD and high-fidelity Dolby Digital audio through the digital HDMI 1.3 and optical interfaces interface as standard. -
Image File Formats, Digital Archival and TI/A
Image File Formats, Digital Archival and TI/A Peter Fornaro & Lukas Rosenthaler A Short Introduction into Image File Formats 1 1 Introduction In general, long-term archival of digital data is a difficult task. On one hand the media, where the digital data is recorded on may be instable and decay with time. On the other hand, the rapid evolution cycle of digital technologies which is measured in years or even months leads to the obsolescence of recording technologies at a fast pace. Old1 data carriers may not be read anymore because the necessary machinery (tape reader, disk interface etc.) is no longer commercially available. Also, the the information about the file formats – that is the information about the meaning of the bits – may be lost because new formats have become standard. Thus, digital archiving is basically the task of guaranteeing the meaningful reading and decoding of bits in the far future. This task can be divided into parts: Bitstream preservation It has to be guaranteed that the bits which are basically analogue symbols on a analogue medium2 can be correctly detected. Since most often the permanence of the bits is higher than the lifetime of a given recording technology, bitstream preservation is basically limited by the obsolescence of a given recording technologies. Thus, copying the bits onto a new data carrier using the latest technology just before a recording technology becomes obsolete will preserve the bitstream. This task called bitstream migration has to be repeated every 3 - 5 years. Since a bitstream can be copied without information loss and the copies will be identical to the “original”, this process can be repeated an indefinite number of times (contrary to analogue copies where each generation is affected by more degradation until all information is lost). -
JPEG and JPEG 2000
JPEG and JPEG 2000 Past, present, and future Richard Clark Elysium Ltd, Crowborough, UK [email protected] Planned presentation Brief introduction JPEG – 25 years of standards… Shortfalls and issues Why JPEG 2000? JPEG 2000 – imaging architecture JPEG 2000 – what it is (should be!) Current activities New and continuing work… +44 1892 667411 - [email protected] Introductions Richard Clark – Working in technical standardisation since early 70’s – Fax, email, character coding (8859-1 is basis of HTML), image coding, multimedia – Elysium, set up in ’91 as SME innovator on the Web – Currently looks after JPEG web site, historical archive, some PR, some standards as editor (extensions to JPEG, JPEG-LS, MIME type RFC and software reference for JPEG 2000), HD Photo in JPEG, and the UK MPEG and JPEG committees – Plus some work that is actually funded……. +44 1892 667411 - [email protected] Elysium in Europe ACTS project – SPEAR – advanced JPEG tools ESPRIT project – Eurostill – consensus building on JPEG 2000 IST – Migrator 2000 – tool migration and feature exploitation of JPEG 2000 – 2KAN – JPEG 2000 advanced networking Plus some other involvement through CEN in cultural heritage and medical imaging, Interreg and others +44 1892 667411 - [email protected] 25 years of standards JPEG – Joint Photographic Experts Group, joint venture between ISO and CCITT (now ITU-T) Evolved from photo-videotex, character coding First meeting March 83 – JPEG proper started in July 86. 42nd meeting in Lausanne, next week… Attendance through national -
Lossless Compression of Audio Data
CHAPTER 12 Lossless Compression of Audio Data ROBERT C. MAHER OVERVIEW Lossless data compression of digital audio signals is useful when it is necessary to minimize the storage space or transmission bandwidth of audio data while still maintaining archival quality. Available techniques for lossless audio compression, or lossless audio packing, generally employ an adaptive waveform predictor with a variable-rate entropy coding of the residual, such as Huffman or Golomb-Rice coding. The amount of data compression can vary considerably from one audio waveform to another, but ratios of less than 3 are typical. Several freeware, shareware, and proprietary commercial lossless audio packing programs are available. 12.1 INTRODUCTION The Internet is increasingly being used as a means to deliver audio content to end-users for en tertainment, education, and commerce. It is clearly advantageous to minimize the time required to download an audio data file and the storage capacity required to hold it. Moreover, the expec tations of end-users with regard to signal quality, number of audio channels, meta-data such as song lyrics, and similar additional features provide incentives to compress the audio data. 12.1.1 Background In the past decade there have been significant breakthroughs in audio data compression using lossy perceptual coding [1]. These techniques lower the bit rate required to represent the signal by establishing perceptual error criteria, meaning that a model of human hearing perception is Copyright 2003. Elsevier Science (USA). 255 AU rights reserved. 256 PART III / APPLICATIONS used to guide the elimination of excess bits that can be either reconstructed (redundancy in the signal) orignored (inaudible components in the signal). -
Game Audio the Role of Audio in Games
the gamedesigninitiative at cornell university Lecture 18 Game Audio The Role of Audio in Games Engagement Entertains the player Music/Soundtrack Enhances the realism Sound effects Establishes atmosphere Ambient sounds Other reasons? the gamedesigninitiative 2 Game Audio at cornell university The Role of Audio in Games Feedback Indicate off-screen action Indicate player should move Highlight on-screen action Call attention to an NPC Increase reaction time Players react to sound faster Other reasons? the gamedesigninitiative 3 Game Audio at cornell university History of Sound in Games Basic Sounds • Arcade games • Early handhelds • Early consoles the gamedesigninitiative 4 Game Audio at cornell university Early Sounds: Wizard of Wor the gamedesigninitiative 5 Game Audio at cornell university History of Sound in Games Recorded Basic Sound Sounds Samples Sample = pre-recorded audio • Arcade games • Starts w/ MIDI • Early handhelds • 5th generation • Early consoles (Playstation) • Early PCs the gamedesigninitiative 6 Game Audio at cornell university History of Sound in Games Recorded Some Basic Sound Variability Sounds Samples of Samples • Arcade games • Starts w/ MIDI • Sample selection • Early handhelds • 5th generation • Volume • Early consoles (Playstation) • Pitch • Early PCs • Stereo pan the gamedesigninitiative 7 Game Audio at cornell university History of Sound in Games Recorded Some More Basic Sound Variability Variability Sounds Samples of Samples of Samples • Arcade games • Starts w/ MIDI • Sample selection • Multiple -
Ada User Journal, Apply to Ada-Europe At: -Europe.Org/Join ADA Volume 41 USER Number 4 December 2020
To receive the Ada User Journal, apply to Ada-Europe at: http://www.ada -europe.org/join ADA Volume 41 USER Number 4 December 2020 JOURNAL Contents Page Editorial Policy for Ada User Journal 192 Editorial 193 Quarterly News Digest 195 Conference Calendar 224 Forthcoming Events 232 Special Contribution P. Rogers “From Ada to Platinum SPARK: A Case Study” 235 Proceedings of the "HILT 2020 Workshop on Safe Languages and Technologies for Structured and Efficient Parallel and Distributed/Cloud Computing" T. Taft “A Layered Mapping of Ada 202X to OpenMP” 251 J. Verschelde “Parallel Software to Offset the Cost of Higher Precision” 255 Puzzle J. Barnes “Shrinking Squares and Colourful Cubes” 261 In memoriam: William Bail 263 Ada-Europe Associate Members (National Ada Organizations) 264 Ada-Europe Sponsors Inside Back Cover Ada User Journal Volume 41, Number 4, December 2020 195 Quarterly News Digest Alejandro R. Mosteo Centro Universitario de la Defensa de Zaragoza, 50090, Zaragoza, Spain; Instituto de Investigación en Ingeniería de Aragón, Mariano Esquillor s/n, 50018, Zaragoza, Spain; email: [email protected] as far as when Ada prototypes had - A layered mapping of Ada 202X parallel parentheses for subprograms without constructs to OpenMP (Tucker Taft), Contents arguments. - Experience integrating FAA's NextGen To conclude, during this period also took ERAM (mostly Ada) with SWIM Preface by the News Editor 195 place the Advent of Code, a scored (Mixed languages) (Brian Kleinke, Ada-related Events 195 competition in which a programming Leidos) Ada and Education 196 puzzle a day is presented for you to solve Ada-related Resources 196 - A highly parallel multiple double in your favorite language. -
Preferred Formats National Archives of the Netherlands in View of Sustainable Accessibility
Preferred formats National Archives of the Netherlands In view of sustainable accessibility Version 1.0, November 2016 Contents Contents—2 1 Introduction—3 2 Why preferred formats?—6 Archival regulation: ‘open unless...’—6 Management and availability: easier with minimal diversity—6 Open standards and interoperability: as few obstacles as possible—7 3 Preferred formats and acceptable formats—8 Summary of referred formats and acceptable formats—8 Overview preferred formats including substantiation—8 Overview of acceptable formats including substantiation—10 Appendix 1: Archival regulation—12 Appendix 2: Dutch Standardisation Forum and open standards—14 What are open standards?—14 Why open standards?—14 Interoperability and supplier independence—14 Publishing details—15 Page 2 van 15 1 Introduction The National Archives’ e-Depot can receive, sustainably store and make available digital information in a variety of forms and formats. But in light of digital sustainability, the National Archives has a number of preferred formats for the information supplied by the legal caretakers. This document describes those preferred formats and provides a substantiation for their use. This allows custodians to take sustainable accessibility into account from the inception of their information. Context and cause The document Preferred formats of the National Archives is an elaboration of its Preservation Policy. The Preservation Policy describes the overall policy for preservation, i.e. the way in which the National Archives keeps the digital information it manages authentic and useable. In addition to Preferred formats, the Preservation Policy is elaborated upon in other documents.1 Figure 1 depicts the components of the National Archives’ preservation policy. Preservation policy Policy (what) Strategy and Strategies and standards standards (why which choices) Information types Preferred formats Technical Registry Preservation Watch Essential characteristics (Monitor Designated Community & Technology), incl.