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Lossless Audio Codec Comparison
Contents Introduction 3 1 CD-audio test 4 1.1 CD's used . .4 1.2 Results all CD's together . .4 1.3 Interesting quirks . .7 1.3.1 Mono encoded as stereo (Dan Browns Angels and Demons) . .7 1.3.2 Compressibility . .9 1.4 Convergence of the results . 10 2 High-resolution audio 13 2.1 Nine Inch Nails' The Slip . 13 2.2 Howard Shore's soundtrack for The Lord of the Rings: The Return of the King . 16 2.3 Wasted bits . 18 3 Multichannel audio 20 3.1 Howard Shore's soundtrack for The Lord of the Rings: The Return of the King . 20 A Motivation for choosing these CDs 23 B Test setup 27 B.1 Scripting and graphing . 27 B.2 Codecs and parameters used . 27 B.3 MD5 checksumming . 28 C Revision history 30 Bibliography 31 2 Introduction While testing the efficiency of lossy codecs can be quite cumbersome (as results differ for each person), comparing lossless codecs is much easier. As the last well documented and comprehensive test available on the internet has been a few years ago, I thought it would be a good idea to update. Beside comparing with CD-audio (which is often done to assess codec performance) and spitting out a grand total, this comparison also looks at extremes that occurred during the test and takes a look at 'high-resolution audio' and multichannel/surround audio. While the comparison was made to update the comparison-page on the FLAC website, it aims to be fair and unbiased. -
Digital Still Camera Image File Format Standard
Digital Still Camera Image File Format Standard (Exchangeable image file format for Digital Still Cameras: Exif) Version 2.1 June 12, 1998 Japan Electronic Industry Development Association (JEIDA) This standard makes no warranty, express or implied, with respect to the use of any intellectual property, such as patents, copyrights and trademarks, belonging to any corporation or individual. Nor does this standard make any warranty regarding system reliability or product liability. Windows™ is a registered trademark of Microsoft Corporation in the United States and elsewhere. FlashPix™ is a registered trademark of Eastman Kodak Company. Revision History This "Digital Still Camera Image File Format Standard" is issued as a standard for the image file format (Exif: Exchangeable image file format) used in digital still cameras and related systems. It was first published in October 1996 as Version 1.0i. Then in May 1997, Version 1.1ii was issued, adding specifications for optional attribute information as well as stipulations relating to format implementation, in addition to the mandatory specifications of Version 1.0. The desire for a uniform file format standard for the image data stored by digital still cameras has increased as these cameras have grown in popularity. At the same time, with the broadening application of this technology, a similar desire has arisen for uniformity of the attribute information that can be recorded in a file. The Version 2.0iii makes improvements to the Exif format for greater ease of use, while allowing for backward compatibility with products of manufacturers currently implementing Exif Version 1.x or considering its future implementation. -
Digital Backgrounds Using GIMP
Digital Backgrounds using GIMP GIMP is a free image editing program that rivals the functions of the basic versions of industry leaders such as Adobe Photoshop and Corel Paint Shop Pro. For information on which image editing program is best for your needs, please refer to our website, digital-photo- backgrounds.com in the FAQ section. This tutorial was created to teach you, step-by-step, how to remove a subject (person or item) from its original background and place it onto a Foto*Fun Digital Background. Upon completing this tutorial, you will have the skills to create realistic portraits plus photographic collages and other useful functions. If you have any difficulties with any particular step in the process, feel free to contact us anytime at digital-photo-backgrounds.com. How to read this tutorial It is recommended that you use your own image when following the instructions. However, one has been provided for you in the folder entitled "Tutorial Images". This tutorial uses screenshots to visually show you each step of the process. Each step will be numbered which refers to a number within the screenshot image to indicate the location of the function or tool being described in that particular step. Written instructions are first and refer to the following screenshot image. Keyboard shortcuts are shown after most of the described functions and are in parentheses as in the following example (ctrl+T); which would indicate that the "ctrl" key and the letter "T" key should be pressed at the same time. These are keyboard shortcuts and can be used in place of the described procedure; not in addition to the described procedure. -
A Forensic Database for Digital Audio, Video, and Image Media
THE “DENVER MULTIMEDIA DATABASE”: A FORENSIC DATABASE FOR DIGITAL AUDIO, VIDEO, AND IMAGE MEDIA by CRAIG ANDREW JANSON B.A., University of Richmond, 1997 A thesis submitted to the Faculty of the Graduate School of the University of Colorado Denver in partial fulfillment of the requirements for the degree of Master of Science Recording Arts Program 2019 This thesis for the Master of Science degree by Craig Andrew Janson has been approved for the Recording Arts Program by Catalin Grigoras, Chair Jeff M. Smith Cole Whitecotton Date: May 18, 2019 ii Janson, Craig Andrew (M.S., Recording Arts Program) The “Denver Multimedia Database”: A Forensic Database for Digital Audio, Video, and Image Media Thesis directed by Associate Professor Catalin Grigoras ABSTRACT To date, there have been multiple databases developed for use in many forensic disciplines. There are very large and well-known databases like CODIS (DNA), IAFIS (fingerprints), and IBIS (ballistics). There are databases for paint, shoeprint, glass, and even ink; all of which catalog and maintain information on all the variations of their specific subject matter. Somewhat recently there was introduced the “Dresden Image Database” which is designed to provide a digital image database for forensic study and contains images that are generic in nature, royalty free, and created specifically for this database. However, a central repository is needed for the collection and study of digital audios, videos, and images. This kind of database would permit researchers, students, and investigators to explore the data from various media and various sources, compare an unknown with knowns with the possibility of discovering the likely source of the unknown. -
Ardour Export Redesign
Ardour Export Redesign Thorsten Wilms [email protected] Revision 2 2007-07-17 Table of Contents 1 Introduction 4 4.5 Endianness 8 2 Insights From a Survey 4 4.6 Channel Count 8 2.1 Export When? 4 4.7 Mapping Channels 8 2.2 Channel Count 4 4.8 CD Marker Files 9 2.3 Requested File Types 5 4.9 Trimming 9 2.4 Sample Formats and Rates in Use 5 4.10 Filename Conflicts 9 2.5 Wish List 5 4.11 Peaks 10 2.5.1 More than one format at once 5 4.12 Blocking JACK 10 2.5.2 Files per Track / Bus 5 4.13 Does it have to be a dialog? 10 2.5.3 Optionally store timestamps 5 5 Track Export 11 2.6 General Problems 6 6 MIDI 12 3 Feature Requests 6 7 Steps After Exporting 12 3.1 Multichannel 6 7.1 Normalize 12 3.2 Individual Files 6 7.2 Trim silence 13 3.3 Realtime Export 6 7.3 Encode 13 3.4 Range ad File Export History 7 7.4 Tag 13 3.5 Running a Script 7 7.5 Upload 13 3.6 Export Markers as Text 7 7.6 Burn CD / DVD 13 4 The Current Dialog 7 7.7 Backup / Archiving 14 4.1 Time Span Selection 7 7.8 Authoring 14 4.2 Ranges 7 8 Container Formats 14 4.3 File vs Directory Selection 8 8.1 libsndfile, currently offered for Export 14 4.4 Container Types 8 8.2 libsndfile, also interesting 14 8.3 libsndfile, rather exotic 15 12 Specification 18 8.4 Interesting 15 12.1 Core 18 8.4.1 BWF – Broadcast Wave Format 15 12.2 Layout 18 8.4.2 Matroska 15 12.3 Presets 18 8.5 Problematic 15 12.4 Speed 18 8.6 Not of further interest 15 12.5 Time span 19 8.7 Check (Todo) 15 12.6 CD Marker Files 19 9 Encodings 16 12.7 Mapping 19 9.1 Libsndfile supported 16 12.8 Processing 19 9.2 Interesting 16 12.9 Container and Encodings 19 9.3 Problematic 16 12.10 Target Folder 20 9.4 Not of further interest 16 12.11 Filenames 20 10 Container / Encoding Combinations 17 12.12 Multiplication 20 11 Elements 17 12.13 Left out 21 11.1 Input 17 13 Credits 21 11.2 Output 17 14 Todo 22 1 Introduction 4 1 Introduction 2 Insights From a Survey The basic purpose of Ardour's export functionality is I conducted a quick survey on the Linux Audio Users to create mixdowns of multitrack arrangements. -
Seashore Guide
Seashore The Incomplete Guide Contents Contents..........................................................................................................................1 Introducing Seashore.......................................................................................................4 Product Summary........................................................................................................4 Technical Requirements ..............................................................................................4 Development Notice....................................................................................................4 Seashore’s Philosophy.................................................................................................4 Seashore and the GIMP...............................................................................................4 How do I contribute?...................................................................................................5 The Concepts ..................................................................................................................6 Bitmaps.......................................................................................................................6 Colours .......................................................................................................................7 Layers .........................................................................................................................7 Channels .................................................................................................................. -
Downloads PC Christophe Fantoni Downloads PC Tous Les Fichiers
Downloads PC Christophe Fantoni Downloads PC Tous les fichiers DirectX 8.1 pour Windows 9X/Me Indispensable au bon fonctionnement de certain programme. Il vaut mieux que DirectX soit installé sur votre machine. Voici la version française destinée au Windows 95, 98 et Millenium. Existe aussi pour Windows NT et Windows 2000. http://www.christophefantoni.com/fichier_pc.php?id=46 DirectX 8.1 pour Windows NT/2000 Indispensable au bon fonctionnement de certain programme. Il vaut mieux que DirectX soit installé sur votre machine. Voici la version française destinée à Windows Nt et Windows 2000. Existe aussi pour Windows 95, 98 et Millenium. http://www.christophefantoni.com/fichier_pc.php?id=47 Aspi Check Permet de connaitre la présence d'unc couche ASPI ainsi que le numéro de version de cette couche éventuellement présente sur votre système. Indispensable. http://www.christophefantoni.com/fichier_pc.php?id=49 Aspi 4.60 Ce logiciel freeware permet d'installer une couche ASPI (la 4.60) sur votre système d'exploitation. Attention, en cas de problème d'installation de cette version originale, une autre version de cette couche logiciel est également présente sur le site. De plus, Windows XP possede sa propre version de cette couche Aspi, version que vous trouverez également en télécharegement sur le site. Absolument indispensable. http://www.christophefantoni.com/fichier_pc.php?id=50 DVD2AVI 1.76 Fr Voici la toute première version du meilleur serveur d'image existant sur PC. Version auto-installable, en français, livré avec son manuel, également en français. Le tout à été traduit ou rédigé par mes soins.. -
Freeware Irfanview Windows 10 Latest Version Download Freeware Irfanview Windows 10 Latest Version Download
freeware irfanview windows 10 latest version download Freeware irfanview windows 10 latest version download. Advantages of IrfanView 64-bit over 32-bit version: It can load VERY large files/images (image RAM size over 1.3 GB, for special users) Faster for very large images (25+ Megapixels, loading or image operations) Runs 'only' on a 64-bit Windows (Vista, Win7, Win8, Win10) Advantages of IrfanView 32-bit over 64-bit version: Runs on a 32-bit and 64-bit Windows Loads all files/images for normal needs (max. RAM size is about 1.3 GB) Needs less disc space All PlugIns will work: not all PlugIns are ported (yet) to 64-bit (like OCR) and some 32-bit PlugIns must be still used in the 64-bit version, some with limitations (see the "Plugins32" folder) Some old 32-bit PlugIns (like RIOT and Adobe 8BF PlugIn) work only in compatilibilty mode in IrfanView-64 ( only 32-bit 8BF files/effects can be used ) Command line options for scanning (/scan etc.) work only in 32-bit (because no 64-bit TWAIN drivers ) Notes: You can install both versions on the same system, just use different folders . For example: install the 32-bit version in your "Program Files (x86)" folder and the 64-bit version in your "Program Files" folder (install 32-bit PlugIns to IrfanView-32 and 64-bit PlugIns to IrfanView-64, DO NOT mix the PlugIns and IrfanView bit versions) The program name and icon have some extra text in the 64-bit version for better distinguishing. Available 64-bit downloads. -
File Format Guidelines for Management and Long-Term Retention of Electronic Records
FILE FORMAT GUIDELINES FOR MANAGEMENT AND LONG-TERM RETENTION OF ELECTRONIC RECORDS 9/10/2012 State Archives of North Carolina File Format Guidelines for Management and Long-Term Retention of Electronic records Table of Contents 1. GUIDELINES AND RECOMMENDATIONS .................................................................................. 3 2. DESCRIPTION OF FORMATS RECOMMENDED FOR LONG-TERM RETENTION ......................... 7 2.1 Word Processing Documents ...................................................................................................................... 7 2.1.1 PDF/A-1a (.pdf) (ISO 19005-1 compliant PDF/A) ........................................................................ 7 2.1.2 OpenDocument Text (.odt) ................................................................................................................... 3 2.1.3 Special Note on Google Docs™ .......................................................................................................... 4 2.2 Plain Text Documents ................................................................................................................................... 5 2.2.1 Plain Text (.txt) US-ASCII or UTF-8 encoding ................................................................................... 6 2.2.2 Comma-separated file (.csv) US-ASCII or UTF-8 encoding ........................................................... 7 2.2.3 Tab-delimited file (.txt) US-ASCII or UTF-8 encoding .................................................................... 8 2.3 -
HP Scanjet 200 Flatbed Photo Scanner
HP Scanjet 200 Flatbed Photo Scanner The HP Scanjet 200 Flatbed Photo Scanner is ideal for home and business users who want a compact, easy-to-use scanner to scan photos and documents at high resolution and capture, store and share images quickly. Experience high-quality photo and Save space: this compact scanner fits document scanning. almost anywhere you need it. ● Scan important photos and get precise results. ● Set up and work where you want—this compact, Capture crisp image detail at up to 2400 x 4800 dpi landscape-oriented scanner can fit almost anywhere in resolution, 48-bit colour1. your home or office. ● Enjoy fast, convenient scanning of photos and images ● Scan books, magazines, and bound materials with ease, to Internet sharing sites using the scanner's floating-hinged lid for high clearance. ● Scan important paperwork, photos, and everyday documents into easy-to-access digital files. ● Eliminate the need for a power cable – this USB-powered scanner saves energy by plugging directly ● Finish jobs faster – scan a 10 x 15 cm (4 x 6-inch) into your PC2. photo in as fast as 21 seconds at 200-dpi resolution1 . Start working fast with easy-to-use functions and quick setup. ● Create the prints you need: use the ArcSoft PhotoStudio 6 photo-editing software included to easily edit, search, and organise images for printing in multiple sizes. ● Save time with convenient one-touch scanning capabilities. Capture and send images directly to email or PDF – and print or copy images with just a touch. ● Get to work quickly with an intuitive interface with easy-to-use controls. -
Digital Photo Editing
Digital Photo Editing Digital Photo Editing There are two main catagories of photo editing software. 1. Photo Organizers - Programs that help you find your pictures. May also do some editing, and create web pages and collages. Examples: Picasa, XNView, ACDsee, Adobe Photoshop Elements 2. Photo Editors - Work on one picture file at a time. Usually more powerful editing features. Examples: Adobe Photoshop, Gimp, Paint.Net, Corel Paint Shop Photo Organizers Organizers tend to have a similar look and functionality to each other. Thumb nail views, a directory tree of your files and folders, and a slightly larger preview of the picture currently selected. A selection of the most used editing tools, and batch editing for making minor corrections to multiple pictures at once. The ability to create slide shows, contact sheets, and web pages are also features you can expect to see. XNView Picasa ACDsee Some of the editing features included in Photo Organizer software are: Red Eye Reduction, Rotate, Resize, Contrast, Color Saturation, Sharpen Focus and more. Many of these can be done in batch mode to as many pictures as you select. Picasa has added Picnik to it's tool set allowing you to upload your photo to the Picnik website for added editing features. Here is an example of Redeye removal in Picasa. Crop, Straighten, and Fill Light are often needed basic fixes. Saving and converting your picture file. In Xnview you can import about 400 file formats and export in about 50. For the complete list goto http://www.xnview. com/en/formats.html . Here is a list of some of the key file formats your likely to use and / or come across often. -
Widetek® Wide Format MFP Solutions 17
® The WideTEK 36CL-MF scanner forms the basis of all of the MF solutions and is the fastest, most productive wide format MFP so- lution on the market, running at 10 inches per second at 200 dpi in full color, at the lowest possible price. At the full width of 36“ and 600 dpi resolution, the scanner still runs at 1.7 inches per second. ® WideTEK 36CL-MF is the best choice to build a powerful and high quality MFP with either an integrated printer series specifi c stand, a high stand or a standalone stand. All MFP solutions come with a built in closed loop color calibration function producing the best possible copies on your selected printer and paper combination. Scanner Optics CIS camera, scans in color, grayscale, B&W Resolution 1200 x 1200 dpi scanner resolution 9600 x 9600 dpi interpolated (optional) Document Size 965 mm (38 inch) width, nearly unlimited length Scans 915 mm (36 inch) widths Scanning Speed 200 dpi - 15 m/min (10 inch/s) in color Face up scanning with on the fl y rotation and modifi cation 600 dpi - 8 m/min (5 inch/s) in grayscale of images without rescanning. Automated crop & deskew. Color Depth 48 bit color, 16 bit grayscale Built in closed loop color calibration function for best possible copies Scan output 24 bit color, 8 bit grayscale, bitonal, enhanced half- tone LED lamps, no warm up, IR/UV free Output Formats Multipage PDF (PDF/A) and TIFF, JPEG, JPEG 2000, Large 21“ full HD color touchscreen for simple operation in PNM, PNG, BMP, TIFF (Raw, G3, G4, LZW, JPEG), optional bundles AutoCAD DWF, JBIG, DjVu, DICOM, PCX, Postscript, EPS, Raw data Scan2USB, FTP, SMB and Network.