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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. -
Realaudio and Realvideo Content Creation Guide
RealAudioâ and RealVideoâ Content Creation Guide Version 5.0 RealNetworks, Inc. Contents Contents Introduction......................................................................................................................... 1 Streaming and Real-Time Delivery................................................................................... 1 Performance Range .......................................................................................................... 1 Content Sources ............................................................................................................... 2 Web Page Creation and Publishing................................................................................... 2 Basic Steps to Adding Streaming Media to Your Web Site ............................................... 3 Using this Guide .............................................................................................................. 4 Overview ............................................................................................................................. 6 RealAudio and RealVideo Clips ....................................................................................... 6 Components of RealSystem 5.0 ........................................................................................ 6 RealAudio and RealVideo Files and Metafiles .................................................................. 8 Delivering a RealAudio or RealVideo Clip ...................................................................... -
(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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Metadefender Core V4.12.2
MetaDefender Core v4.12.2 © 2018 OPSWAT, Inc. All rights reserved. OPSWAT®, MetadefenderTM and the OPSWAT logo are trademarks of OPSWAT, Inc. All other trademarks, trade names, service marks, service names, and images mentioned and/or used herein belong to their respective owners. Table of Contents About This Guide 13 Key Features of Metadefender Core 14 1. Quick Start with Metadefender Core 15 1.1. Installation 15 Operating system invariant initial steps 15 Basic setup 16 1.1.1. Configuration wizard 16 1.2. License Activation 21 1.3. Scan Files with Metadefender Core 21 2. Installing or Upgrading Metadefender Core 22 2.1. Recommended System Requirements 22 System Requirements For Server 22 Browser Requirements for the Metadefender Core Management Console 24 2.2. Installing Metadefender 25 Installation 25 Installation notes 25 2.2.1. Installing Metadefender Core using command line 26 2.2.2. Installing Metadefender Core using the Install Wizard 27 2.3. Upgrading MetaDefender Core 27 Upgrading from MetaDefender Core 3.x 27 Upgrading from MetaDefender Core 4.x 28 2.4. Metadefender Core Licensing 28 2.4.1. Activating Metadefender Licenses 28 2.4.2. Checking Your Metadefender Core License 35 2.5. Performance and Load Estimation 36 What to know before reading the results: Some factors that affect performance 36 How test results are calculated 37 Test Reports 37 Performance Report - Multi-Scanning On Linux 37 Performance Report - Multi-Scanning On Windows 41 2.6. Special installation options 46 Use RAMDISK for the tempdirectory 46 3. Configuring Metadefender Core 50 3.1. Management Console 50 3.2. -
Encoding H.264 Video for Streaming and Progressive Download
W4: KEY ENCODING SKILLS, TECHNOLOGIES TECHNIQUES STREAMING MEDIA EAST - 2019 Jan Ozer www.streaminglearningcenter.com [email protected]/ 276-235-8542 @janozer Agenda • Introduction • Lesson 5: How to build encoding • Lesson 1: Delivering to Computers, ladder with objective quality metrics Mobile, OTT, and Smart TVs • Lesson 6: Current status of CMAF • Lesson 2: Codec review • Lesson 7: Delivering with dynamic • Lesson 3: Delivering HEVC over and static packaging HLS • Lesson 4: Per-title encoding Lesson 1: Delivering to Computers, Mobile, OTT, and Smart TVs • Computers • Mobile • OTT • Smart TVs Choosing an ABR Format for Computers • Can be DASH or HLS • Factors • Off-the-shelf player vendor (JW Player, Bitmovin, THEOPlayer, etc.) • Encoding/transcoding vendor Choosing an ABR Format for iOS • Native support (playback in the browser) • HTTP Live Streaming • Playback via an app • Any, including DASH, Smooth, HDS or RTMP Dynamic Streaming iOS Media Support Native App Codecs H.264 (High, Level 4.2), HEVC Any (Main10, Level 5 high) ABR formats HLS Any DRM FairPlay Any Captions CEA-608/708, WebVTT, IMSC1 Any HDR HDR10, DolbyVision ? http://bit.ly/hls_spec_2017 iOS Encoding Ladders H.264 HEVC http://bit.ly/hls_spec_2017 HEVC Hardware Support - iOS 3 % bit.ly/mobile_HEVC http://bit.ly/glob_med_2019 Android: Codec and ABR Format Support Codecs ABR VP8 (2.3+) • Multiple codecs and ABR H.264 (3+) HLS (3+) technologies • Serious cautions about HLS • DASH now close to 97% • HEVC VP9 (4.4+) DASH 4.4+ Via MSE • Main Profile Level 3 – mobile HEVC (5+) -
Working with Audio/Video
Working with Audio/Video Who on campus works with video/audio? • Network and Classroom Services (NCS) provides a comprehensive variety of services supporting the use of information technology in education. Their main service includes support for Technology Classrooms and other centrally scheduled spaces on both North and South campuses. They also provide support for video/audio related services as listed below. (Alternative contact: Beth Fellendorf 645-5526 Email [email protected]) • Digital Lecture Hall Recording Digitally capture and store recorded content for access via the web. This service mainly provides audio recording capabilities, but video recording can also be arranged in certain circumstances. Check Classroom Attributes for a list of classroom descriptions, including Digital Lecture recording capability. • Classroom Capture Services Record lectures, workshops or other classroom based events and makes them available on the web. NCS can provide these services in multiple remote locations as well as several fixed distance learning classrooms. The files created can be made available for on-demand viewing or can be streamed lived as an event takes place. These video files are often used for student review, as primary or supplemental course content and to preserve special lectures for multiple semesters. If you need to capture content quickly and do not require any post-production editing they may be the right service for you. Recordings can be produced in Real Media, Windows Media or Accordant format. Viewers can review a recording via streaming technology on the web and, if you desire, they can be given the ability to download and save the file. Live streaming is provided in either Real Media or Windows Media format. -
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. -
Video Compression Tools Video Compression Tools
Video Compression Tools Video Compression Tools Douglas Dixon Manifest Technology® LLC May 2005 www.manifest-tech.com 5/2005 Copyright 2001-2005 Douglas Dixon, All Rights Reserved - www.manifest-tech.com Page 1 Video Compression Tools Automated Video Processing Tools Video Compression and Conversion • Video Processing Canopus – Video compression and conversion ProCoder – Automated batch processing • Processing Steps Discreet cleaner – Select source files – Define video and audio pre-processing – Define target formats and compression – Select target locations and filters Sorenson – Convert, compress, output Squeeze 5/2005 Copyright 2001-2005 Douglas Dixon, All Rights Reserved - www.manifest-tech.com Page 2 1 Video Compression Tools Video Compression Tools Video Editing to Compression Tools • Consumer Video Editors – Automated, w/ DVD – $50 - $150 • Format-Specific – Clips: Capture, organize, export – Downloads – Apple iMovie, Windows Movie Maker – QuickTime Player Pro, $29 – Adobe Premiere Elements – Win Media Encoder – Sony Vegas Movie Studio – RealProducer, Plus $199 – Pinnacle Studio – Roxio VideoWave, Ulead VideoStudio • Video Processing – Batch compression • Professional Video Editors – $500 - $600 – Compositing, motion, effects – Sorenson Squeeze – Projects – $300 - $1700 – Canopus ProCoder – Apple Final Cut Pro – Discreet cleaner – Adobe Premiere Pro, Sony Vegas – Avid Xpress, Pinnacle Edition – Ulead MediaStudio Pro 5/2005 Copyright 2001-2005 Douglas Dixon, All Rights Reserved - www.manifest-tech.com Page 3 Video Compression Tools QuickTime Player Pro 5/2005 Copyright 2001-2005 Douglas Dixon, All Rights Reserved - www.manifest-tech.com Page 4 2 Video Compression Tools Windows Media Encoder 5/2005 Copyright 2001-2005 Douglas Dixon, All Rights Reserved - www.manifest-tech.com Page 5 Video Compression Tools Automated Video Processing Individuals and Workgroups • Sorenson Squeeze – Squeeze 4 (4.1) - Aug. -
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 ©Copyright 2008 Adobe Systems Incorporated
Using ADOBE® MEDIA ENCODER™ CS4 ©Copyright 2008 Adobe Systems Incorporated. All rights reserved. Using Adobe® Media Encoder CS4 If this guide is distributed with software that includes an end user agreement, this guide, as well as the software described in it, is furnished under license and may be used or copied only in accordance with the terms of such license. Except as permitted by any such license, no part of this guide may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, recording, or otherwise, without the prior written permission of Adobe Systems Incorporated. Please note that the content in this guide is protected under copyright law even if it is not distributed with software that includes an end user license agreement. The content of this guide is 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. Please remember that existing artwork or images that you may want to include in your project may be protected under copyright law. The unauthorized incorporation of such material into your new work could be a violation of the rights of the copyright owner. Please be sure to obtain any permission required from the copyright owner. Any references to company names in sample templates are for demonstration purposes only and are not intended to refer to any actual organization.