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Moderne Audio-Visuelle Datenformate Kundenerwartungen, Übertragungswege Und Technische Standards Impressum
Moderne audio-visuelle Datenformate Kundenerwartungen, Übertragungswege und technische Standards Impressum Herausgeber: BITKOM Bundesverband Informationswirtschaft, Telekommunikation und neue Medien e. V. Albrechtstraße 10 A 10117 Berlin-Mitte Tel.: 030.27576-0 Fax: 030.27576-400 [email protected] www.bitkom.org Ansprechpartner: Michael Schidlack Tel.: 030.27576-232 [email protected] Autoren:: Dr.-Ing. & MBA Ronald Glasberg, Nadja Feldner (Co-Autor) : Redaktion Arbeitskreis Consumer Content, Vorsitz. Björn Kreutzfeld (Fujitsu), 2. Vorsitz: Wolfgang Neifer (WIBU-Systems), Michael Schidlack (BITKOM) Gestaltung / Layout: Design Bureau kokliko / Anna Müller-Rosenberger (BITKOM) Copyright: BITKOM Febraur 2009 Moderne audio-visuelle Datenformate Moderne audio-visuelle Datenformate Kundenerwartungen, Übertragungswege und technische Standards Inhaltsverzeichnis 1 Einführung 3 2 Was wünschen sich die Endkunden? 4 2.1 Endgeräte & Applikationen 4 2.2 Trends 6 3 Wie gelangt der AV-Content zu den Kunden - Übertragungswege? 8 3.1 Drahtlose Technologien 9 3.2 Drahtgebundene Technologien 10 4 Moderne Codecs 12 4.1 Was ist ein Codec? 12 4.2 Ausgewählte Videocodecs 13 4.3 Ausgewählte Audiocodecs 14 5 Moderne AV-Formate 16 5.1 Ausgewählte Videoformate 16 5.2 Ausgewählte Audioformate 17 5.3 Ausgewählte Bildformate 18 5.4 Ausgewählte Containerformate 2 0 6 Zusammenfassung & Anregungen 23 Anhang: Arbeitskreis Consumer & Content Abbildungen Abb. 1: Schematische Gliederung der Arbeit in „Applikationen, Devices, Übertragungsnetze und AV-Content“ 3 Abb. 2: Haushaltsausstattung mit CE in 06/2008 4 Abb. 3: Interesse der Verbraucher an Applikationen über ihren Fernseher im Wohnzimmer in 06/2008 5 Abb. 4: Darstellung der zur Verfügung stehenden Übertragungswege am Beispiel „Digitale Fotos“ 8 Abb. 5: Vereinfachtes Blockschaltbild eines Codecs „Kodier-Dekodier-System“ zur Übertragung AV-Daten 12 Abb. -
(A/V Codecs) REDCODE RAW (.R3D) ARRIRAW
What is a Codec? Codec is a portmanteau of either "Compressor-Decompressor" or "Coder-Decoder," which describes a device or program capable of performing transformations on a data stream or signal. Codecs encode a stream or signal for transmission, storage or encryption and decode it for viewing or editing. Codecs are often used in videoconferencing and streaming media solutions. A video codec converts analog video signals from a video camera into digital signals for transmission. It then converts the digital signals back to analog for display. An audio codec converts analog audio signals from a microphone into digital signals for transmission. It then converts the digital signals back to analog for playing. The raw encoded form of audio and video data is often called essence, to distinguish it from the metadata information that together make up the information content of the stream and any "wrapper" data that is then added to aid access to or improve the robustness of the stream. Most codecs are lossy, in order to get a reasonably small file size. There are lossless codecs as well, but for most purposes the almost imperceptible increase in quality is not worth the considerable increase in data size. The main exception is if the data will undergo more processing in the future, in which case the repeated lossy encoding would damage the eventual quality too much. Many multimedia data streams need to contain both audio and video data, and often some form of metadata that permits synchronization of the audio and video. Each of these three streams may be handled by different programs, processes, or hardware; but for the multimedia data stream to be useful in stored or transmitted form, they must be encapsulated together in a container format. -
Research and Production of a Multi-View Streaming Page
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Compression for Great Video and Audio Master Tips and Common Sense
Compression for Great Video and Audio Master Tips and Common Sense 01_K81213_PRELIMS.indd i 10/24/2009 1:26:18 PM 01_K81213_PRELIMS.indd ii 10/24/2009 1:26:19 PM Compression for Great Video and Audio Master Tips and Common Sense Ben Waggoner AMSTERDAM • BOSTON • HEIDELBERG • LONDON NEW YORK • OXFORD • PARIS • SAN DIEGO SAN FRANCISCO • SINGAPORE • SYDNEY • TOKYO Focal Press is an imprint of Elsevier 01_K81213_PRELIMS.indd iii 10/24/2009 1:26:19 PM Focal Press is an imprint of Elsevier 30 Corporate Drive, Suite 400, Burlington, MA 01803, USA Linacre House, Jordan Hill, Oxford OX2 8DP, UK © 2010 Elsevier Inc. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or any information storage and retrieval system, without permission in writing from the publisher. Details on how to seek permission, further information about the Publisher’s permissions policies and our arrangements with organizations such as the Copyright Clearance Center and the Copyright Licensing Agency, can be found at our website: www.elsevier.com/permissions . This book and the individual contributions contained in it are protected under copyright by the Publisher (other than as may be noted herein). Notices Knowledge and best practice in this fi eld are constantly changing. As new research and experience broaden our understanding, changes in research methods, professional practices, or medical treatment may become necessary. Practitioners and researchers must always rely on their own experience and knowledge in evaluating and using any information, methods, compounds, or experiments described herein. -
Codec Is a Portmanteau of Either
What is a Codec? Codec is a portmanteau of either "Compressor-Decompressor" or "Coder-Decoder," which describes a device or program capable of performing transformations on a data stream or signal. Codecs encode a stream or signal for transmission, storage or encryption and decode it for viewing or editing. Codecs are often used in videoconferencing and streaming media solutions. A video codec converts analog video signals from a video camera into digital signals for transmission. It then converts the digital signals back to analog for display. An audio codec converts analog audio signals from a microphone into digital signals for transmission. It then converts the digital signals back to analog for playing. The raw encoded form of audio and video data is often called essence, to distinguish it from the metadata information that together make up the information content of the stream and any "wrapper" data that is then added to aid access to or improve the robustness of the stream. Most codecs are lossy, in order to get a reasonably small file size. There are lossless codecs as well, but for most purposes the almost imperceptible increase in quality is not worth the considerable increase in data size. The main exception is if the data will undergo more processing in the future, in which case the repeated lossy encoding would damage the eventual quality too much. Many multimedia data streams need to contain both audio and video data, and often some form of metadata that permits synchronization of the audio and video. Each of these three streams may be handled by different programs, processes, or hardware; but for the multimedia data stream to be useful in stored or transmitted form, they must be encapsulated together in a container format. -
Episode Engine User’S Guide
Note on License The accompanying Software is licensed and may not be distributed without writ- ten permission. Disclaimer The contents of this document are subject to revision without notice due to con- tinued progress in methodology, design, and manufacturing. Telestream shall have no liability for any error or damages of any kind resulting from the use of this doc- ument and/or software. The Software may contain errors and is not designed or intended for use in on-line facilities, aircraft navigation or communications systems, air traffic control, direct life support machines, or weapons systems (“High Risk Activities”) in which the failure of the Software would lead directly to death, personal injury or severe physical or environmental damage. You represent and warrant to Telestream that you will not use, distribute, or license the Software for High Risk Activities. Export Regulations. Software, including technical data, is subject to Swedish export control laws, and its associated regulations, and may be subject to export or import regulations in other countries. You agree to comply strictly with all such regulations and acknowledge that you have the responsibility to obtain licenses to export, re-export, or import Software. Copyright Statement ©Telestream, Inc, 2010 All rights reserved. No part of this document may be copied or distributed. This document is part of the software product and, as such, is part of the license agreement governing the software. So are any other parts of the software product, such as packaging and distribution media. The information in this document may be changed without prior notice and does not represent a commitment on the part of Telestream. -
FLV File Format
Video File Format Specification Version 10 Copyright © 2008 Adobe Systems Incorporated. All rights reserved. This manual may not be copied, photocopied, reproduced, translated, or converted to any electronic or machine-readable form in whole or in part without written approval from Adobe Systems Incorporated. Notwithstanding the foregoing, a person obtaining an electronic version of this manual from Adobe may print out one copy of this manual provided that no part of this manual may be printed out, reproduced, distributed, resold, or transmitted for any other purposes, including, without limitation, commercial purposes, such as selling copies of this documentation or providing paid-for support services. Trademarks Adobe, ActionScript, Flash, Flash Media Server, XMP, and Flash Player are either registered trademarks or trademarks of Adobe Systems Incorporated and may be registered in the United States or in other jurisdictions including internationally. Other product names, logos, designs, titles, words, or phrases mentioned within this publication may be trademarks, service marks, or trade names of Adobe Systems Incorporated or other entities and may be registered in certain jurisdictions including internationally. No right or license is granted to any Adobe trademark. Third-Party Information This guide contains links to third-party websites that are not under the control of Adobe Systems Incorporated, and Adobe Systems Incorporated is not responsible for the content on any linked site. If you access a third-party website mentioned in this guide, then you do so at your own risk. Adobe Systems Incorporated provides these links only as a convenience, and the inclusion of the link does not imply that Adobe Systems Incorporated endorses or accepts any responsibility for the content on those third- party sites. -
Before You Begin Producing
Producing with Camtasia Before You Begin Producing Before you begin to produce your video you need to decide how it will be shared; web based, CD, DVD. Once you have decided how you are going to share your video you need to decide which file format would be the best for that particular mode of delivery. The file formats you can save with in Camtasia include: AVI, Macromedia Flash (SWF), Windows Media (WMV), QickTime, Macromedia Flash (FLV), RealMedia (RM), Camtasia for RealPlayer (CAMV), and GIF animation. Click on Show more file formats to view all these options. AVI video file: AVI is recommended for CD delivery requiring the highest video quality. Once you produce your completed AVI files, use Pack and Show to bundle the Camtasia Player and Codec for easy delivery on CD‐ROM. It can also be edited by using Camtasia or other video editing programs. This is the type of format the original video will save as after recording with Camtasia. Macromedia Flash (SWF) movie file: An SWF file format can be used for videos that are 3‐5 minutes. This file format is good for using if you want to put your video on the internet and it is supported by most browsers. You will need the Flash plug‐in to view this video. Windows Media (WMV) streaming media file: A WMV file format creates smaller file sizes and works well for longer videos. It does not have to be downloaded and plays in Microsoft Windows Media Player. It is a streaming video file format. This type of file must be stored on a Windows Media streaming server. -
USING ADOBE MEDIA ENCODER CS4 2 Resources
Using ADOBE® MEDIA ENCODER™ CS4 ©Copyright 2011 Adobe Systems Incorporated. All rights reserved. Using Adobe® Media Encoder CS5.5 This user guide is protected under copyright law, furnished for informational use only, is subject to change without notice, and should not be construed as a commitment by Adobe Systems Incorporated. Adobe Systems Incorporated assumes no responsibility or liability for any errors or inaccuracies that may appear in the informational content contained in this guide. This user guide is licensed for use under the terms of the Creative Commons Attribution Non-Commercial 3.0 License. This License allows users to copy, distribute, and transmit the user guide for noncommercial purposes only so long as (1) proper attribution to Adobe is given as the owner of the user guide; and (2) any reuse or distribution of the user guide contains a notice that use of the user guide is governed by these terms. The best way to provide notice is to include the following link. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/. Adobe, the Adobe logo, Acrobat, Acrobat Capture, Acrobat Connect, Acrobat Messenger, Acrobat 3D Capture, ActionScript, ActiveTest, Adobe ActionSource, Adobe AIR, Adobe AIR logo, Adobe Audition, Adobe Caslon, Adobe Connect, Adobe DataWarehouse, Adobe Dimensions, Adobe Discover, Adobe Financial Services, Adobe Garamond, Adobe Genesis, Adobe Griffo, Adobe Jenson, Adobe Kis, Adobe OnLocation, Adobe Originals logo, Adobe PDF logo, Adobe Premiere, AdobePS, Adobe SiteSearch, Adobe -
How to Convert MOV to MP4 Video File Format Using VLC Player in Windows - Askvg
4/9/2020 [Tip] How to Convert MOV to MP4 Video File Format Using VLC Player in Windows - AskVG Search Help & Support Windows 10 Windows 8 Windows 7 Vista XP Freeware Themes Office Firefox Chrome Edge Opera IE Mobiles [Tip] How to Convert MOV to MP4 Video File RSS | Newsletter | Twitter | Facebook | YouTube Format Using VLC Player in Windows Advertisements SUMMARY: With the help of this article, you'll be able to convert any video file into other popular video formats using a free software "VLC Media Player" in all operating systems such as Windows, Linux or MacOS and mobile phones such as Google Android, iPhone/iPad or Windows Phone. Yesterday an AskVG reader "Piyush" contacted me and asked how to convert MOV video file to MP4 format? He was using Windows 10 operating system and he didn't want to use free online converters which claim to convert any video file into any other desired video format for free. He was worried about privacy as he captured those private videos with his family. He was worried that his videos will be Latest Articles stored and shared in the cloud forever if he uses online converter websites to convert video files. Windows 10 Insider Preview Build 19603 Available for Download He was using VLC Media Player as it's portable and widely known to support and play all kind of audio and video file formats. He asked me [Firefox Tip] Disable or Remove Search Tips and Suggestions Buttons in New Address whether he can use VLC player to convert video files? He read Bar somewhere that VLC player can be used to convert video file formats. -
Lecture 7 – Basics of Compression (Part 2)
CS 414 – Multimedia Systems Design Lecture 7 – Basics of Compression (Part 2) Klara Nahrstedt Spring 2010 CS 414 - Spring 2010 Administrative MP1 is posted CS 414 - Spring 2010 Outline Statistical Entropy Coding Huffman coding Arithmetic coding CS 414 - Spring 2010 Huffman Encoding Statistical encoding To determine Huffman code, it is useful to construct a binary tree Leaves are characters to be encoded Nodes carry occurrence probabilities of the characters belonging to the sub-tree CS 414 - Spring 2010 Huffman Encoding (Example) Step 1 : Sort all Symbols according to their probabilities (left to right) from Smallest to largest these are the leaves of the Huffman tree P(B) = 0.51 P(C) = 0.09 P(E) = 0.11 P(D) = 0.13 P(A)=0.16 CS 414 - Spring 2010 Huffman Encoding (Example) Step 2: Build a binary tree from left to Right P(CEDAB) = 1 Policy: always connect two smaller nodes together (e.g., P(CE) and P(DA) had both Probabilities that were smaller than P(B), Hence those two did connect first P(CEDA) = 0.49 P(B) = 0.51 P(CE) = 0.20 P(DA) = 0.29 P(C) = 0.09 P(E) = 0.11 P(D) = 0.13 P(A)=0.16 CS 414 - Spring 2010 Huffman Encoding (Example) Step 3: label left branches of the tree P(CEDAB) = 1 With 0 and right branches of the tree With 1 0 1 P(CEDA) = 0.49 P(B) = 0.51 0 1 P(CE) = 0.20 P(DA) = 0.29 0 1 0 1 P(C) = 0.09 P(E) = 0.11 P(D) = 0.13 P(A)=0.16 CS 414 - Spring 2010 Huffman Encoding (Example) Step 4: Create Huffman Code P(CEDAB) = 1 Symbol A = 011 Symbol B = 1 1 Symbol C = 000 0 Symbol D = 010 Symbol E = 001 P(CEDA) = 0.49 P(B) = 0.51 -
Platforms for Handling and Development of Audiovisual Data
Faculdade de Engenharia da Universidade do Porto Platforms for Handling and Development of Audiovisual Data José Pedro Sousa Horta Project/Dissertation concerning Mestrado Integrado em Engenharia Informática Advisor: Professor Eurico Carrapatoso July 2008 © José Pedro Sousa Horta, 2008 Platforms for Handling and Development of Audiovisual Data José Pedro Sousa Horta Project/Dissertation concerning Mestrado Integrado em Engenharia Informática Approved in public display by the jury: President: Prof. Doutor António Fernando Coelho _________________________________________________ Examiner: Prof. Doutor Nuno Magalhães Ribeiro Vowel: Prof. Doutor Eurico Manuel Carrapatoso July 17th 2008 Abstract Everywhere around us, digital is replacing analogue. Such is especially true in the audiovisual: be it in consumer or professional market, the advantages of computer-based media have quickly persuaded investors. To choose in which technologies, software should be based, proper understanding of the major aspects behind digital media is essential. An overview of the state of the art regarding the compression of digital video, the existing container formats and the multimedia frameworks (that enable easier playback and editing of audiovisual content) will be given, preceded by an introduction of the main topics. The professional video market is particularly focused on this document, due to the context of its elaboration, predominantly MPEG-2, MXF and DirectShow. In order to obtain more accurate results, fruit of the practical contact with the technology, a hands-on programming project was accomplished using DirectShow to playback both local and remote WMV files. Compression algorithms are continuously being improved and new ones invented, the designers of container formats are paying increased attention to metadata and some serious alternatives to DirectShow are emerging.