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Advanced Compression and Latency Reduction Techniques Over Data Networks
Western University Scholarship@Western Electronic Thesis and Dissertation Repository 4-22-2015 12:00 AM Advanced Compression and Latency Reduction Techniques Over Data Networks Fuad Shamieh The University of Western Ontario Supervisor Dr. Xianbin Wang The University of Western Ontario Graduate Program in Electrical and Computer Engineering A thesis submitted in partial fulfillment of the equirr ements for the degree in Master of Engineering Science © Fuad Shamieh 2015 Follow this and additional works at: https://ir.lib.uwo.ca/etd Part of the Digital Communications and Networking Commons Recommended Citation Shamieh, Fuad, "Advanced Compression and Latency Reduction Techniques Over Data Networks" (2015). Electronic Thesis and Dissertation Repository. 2844. https://ir.lib.uwo.ca/etd/2844 This Dissertation/Thesis is brought to you for free and open access by Scholarship@Western. It has been accepted for inclusion in Electronic Thesis and Dissertation Repository by an authorized administrator of Scholarship@Western. For more information, please contact [email protected]. ADVANCED COMPRESSION AND LATENCY REDUCTION TECHNIQUES OVER DATA NETWORKS (Thesis format: Monograph) by Fuad Shamieh Graduate Program in Electrical and Computer Engineering A thesis submitted in partial fulfillment of the requirements for the degree of Masters of Engineering Science The School of Graduate and Postdoctoral Studies The University of Western Ontario London, Ontario, Canada c Fuad Shamieh 2015 Abstract Applications and services operating over Internet protocol (IP) networks often suffer from high latency and packet loss rates. These problems are attributed to data congestion resulting from the lack of network resources available to support the demand. The usage of IP networks is not only increasing, but very dynamic as well. -
Download Media Player Codec Pack Version 4.1 Media Player Codec Pack
download media player codec pack version 4.1 Media Player Codec Pack. Description: In Microsoft Windows 10 it is not possible to set all file associations using an installer. Microsoft chose to block changes of file associations with the introduction of their Zune players. Third party codecs are also blocked in some instances, preventing some files from playing in the Zune players. A simple workaround for this problem is to switch playback of video and music files to Windows Media Player manually. In start menu click on the "Settings". In the "Windows Settings" window click on "System". On the "System" pane click on "Default apps". On the "Choose default applications" pane click on "Films & TV" under "Video Player". On the "Choose an application" pop up menu click on "Windows Media Player" to set Windows Media Player as the default player for video files. Footnote: The same method can be used to apply file associations for music, by simply clicking on "Groove Music" under "Media Player" instead of changing Video Player in step 4. Media Player Codec Pack Plus. Codec's Explained: A codec is a piece of software on either a device or computer capable of encoding and/or decoding video and/or audio data from files, streams and broadcasts. The word Codec is a portmanteau of ' co mpressor- dec ompressor' Compression types that you will be able to play include: x264 | x265 | h.265 | HEVC | 10bit x265 | 10bit x264 | AVCHD | AVC DivX | XviD | MP4 | MPEG4 | MPEG2 and many more. File types you will be able to play include: .bdmv | .evo | .hevc | .mkv | .avi | .flv | .webm | .mp4 | .m4v | .m4a | .ts | .ogm .ac3 | .dts | .alac | .flac | .ape | .aac | .ogg | .ofr | .mpc | .3gp and many more. -
The Kid3 Handbook
The Kid3 Handbook Software development: Urs Fleisch The Kid3 Handbook 2 Contents 1 Introduction 11 2 Using Kid3 12 2.1 Kid3 features . 12 2.2 Example Usage . 12 3 Command Reference 14 3.1 The GUI Elements . 14 3.1.1 File List . 14 3.1.2 Edit Playlist . 15 3.1.3 Folder List . 15 3.1.4 File . 16 3.1.5 Tag 1 . 17 3.1.6 Tag 2 . 18 3.1.7 Tag 3 . 18 3.1.8 Frame List . 18 3.1.9 Synchronized Lyrics and Event Timing Codes . 21 3.2 The File Menu . 22 3.3 The Edit Menu . 28 3.4 The Tools Menu . 29 3.5 The Settings Menu . 32 3.6 The Help Menu . 37 4 kid3-cli 38 4.1 Commands . 38 4.1.1 Help . 38 4.1.2 Timeout . 38 4.1.3 Quit application . 38 4.1.4 Change folder . 38 4.1.5 Print the filename of the current folder . 39 4.1.6 Folder list . 39 4.1.7 Save the changed files . 39 4.1.8 Select file . 39 4.1.9 Select tag . 40 The Kid3 Handbook 4.1.10 Get tag frame . 40 4.1.11 Set tag frame . 40 4.1.12 Revert . 41 4.1.13 Import from file . 41 4.1.14 Automatic import . 41 4.1.15 Download album cover artwork . 42 4.1.16 Export to file . 42 4.1.17 Create playlist . 42 4.1.18 Apply filename format . 42 4.1.19 Apply tag format . -
Screen Capture Tools to Record Online Tutorials This Document Is Made to Explain How to Use Ffmpeg and Quicktime to Record Mini Tutorials on Your Own Computer
Screen capture tools to record online tutorials This document is made to explain how to use ffmpeg and QuickTime to record mini tutorials on your own computer. FFmpeg is a cross-platform tool available for Windows, Linux and Mac. Installation and use process depends on your operating system. This info is taken from (Bellard 2016). Quicktime Player is natively installed on most of Mac computers. This tutorial focuses on Linux and Mac. Table of content 1. Introduction.......................................................................................................................................1 2. Linux.................................................................................................................................................1 2.1. FFmpeg......................................................................................................................................1 2.1.1. installation for Linux..........................................................................................................1 2.1.1.1. Add necessary components........................................................................................1 2.1.2. Screen recording with FFmpeg..........................................................................................2 2.1.2.1. List devices to know which one to record..................................................................2 2.1.2.2. Record screen and audio from your computer...........................................................3 2.2. Kazam........................................................................................................................................4 -
Lossless Audio Codec Comparison
Contents Introduction 3 1 Test setup 4 1.1 Scripting and graphing . .4 1.2 Codecs and parameters used . .5 1.3 WMA, RealAudio and ALAC . .6 2 CD-audio test 8 2.1 CD's used . .8 2.2 Results all CD's together . .9 2.3 Interesting quirks . 12 2.3.1 Mono encoded as stereo (Dan Browns Angels and Demons) 12 2.4 Convergence of the results . 15 3 High-resolution audio 17 3.1 Nine Inch Nails' The Slip . 17 3.2 Howard Shore's soundtrack for The Lord of the Rings: The Re- turn of the King . 20 3.3 Wasted bits . 22 4 Multichannel audio 24 4.1 Howard Shore's soundtrack for The Lord of the Rings: The Re- turn of the King . 24 A Motivation for choosing these CDs 27 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 perfor- mance) 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. Because of this, you'll probably won't find anything that looks like conclusions: test results are displayed and analysed, but there is no judgement or choice made. -
(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. -
EMA Mezzanine File Creation Specification and Best Practices Version 1.0.1 For
16530 Ventura Blvd., Suite 400 Encino, CA 91436 818.385.1500 www.entmerch.org EMA Mezzanine File Creation Specification and Best Practices Version 1.0.1 for Digital Audio‐Visual Distribution January 7, 2014 EMA MEZZANINE FILE CREATION SPECIFICATION AND BEST PRACTICES The Mezzanine File Working Group of EMA’s Digital Supply Chain Committee developed the attached recommended Mezzanine File Specification and Best Practices. Why is the Specification and Best Practices document needed? At the request of their customers, content providers and post‐house have been creating mezzanine files unique to each of their retail partners. This causes unnecessary costs in the supply chain and constrains the flow of new content. There is a demand to make more content available for digital distribution more quickly. Sales are lost if content isn’t available to be merchandised. Today’s ecosystem is too manual. Standardization will facilitate automation, reducing costs and increasing speed. Quality control issues slow down today’s processes. Creating one standard mezzanine file instead of many files for the same content should reduce the quantity of errors. And, when an error does occur and is caught by a single customer, it can be corrected for all retailers/distributors. Mezzanine File Working Group Participants in the Mezzanine File Working Group were: Amazon – Ben Waggoner, Ryan Wernet Dish – Timothy Loveridge Google – Bill Kotzman, Doug Stallard Microsoft – Andy Rosen Netflix – Steven Kang , Nick Levin, Chris Fetner Redbox Instant – Joe Ambeault Rovi -
Nvidia Video Technologies
NVIDIA VIDEO TECHNOLOGIES Abhijit Patait, 5/8/2017 NVIDIA Video Technologies New SDK Release Major Focus Areas AGENDA Video SDK Features Software Flow FFmpeg Performance and Benchmarking Tips Benchmarks 2 NVIDIA VIDEO TECHNOLOGIES 3 VIDEO CODEC SDK A comprehensive set of APIs for GPU- accelerated Video Encode and Decode The SDK consists of two hardware acceleration interfaces: NVENCODE API for video encode acceleration NVIDIA Video Codec SDK technology is used to stream video with NVIDIA ShadowPlay running on NVIDIA GPUs NVDECODE API for video decode acceleration (formerly called NVCUVID API) Independent of CUDA/3D cores on GPU 4 NVIDIA VIDEO TECHNOLOGIES FFMPEG & LIBAV Easy access to NVIDIA GPU hardware acceleration VIDEO CODEC SDK A comprehensive set of APIs for GPU-accelerated Video Encode and Decode for Windows and Linux SOFTWARE CUDA, DirectX, OpenGL interoperability NVIDIA DRIVER NVENC NVDEC Independent Hardware Encoder Function Independent Hardware Decoder Function HARDWARE 5 NVIDIA VIDEO TECHNOLOGIES Decode HW* Encode HW* Formats: CPU • MPEG-2 Formats: • VC1 • H.264 • VP8 • H.265 • VP9 • Lossless • H.264 • H.265 Bit depth: • Lossless • 8 bit NVDEC Buffer NVENC • 10 bit Bit depth: • 8 bit Color** • 10 bit • YUV 4:4:4 • YUV 4:2:0 Color** • YUV 4:2:0 CUDA Cores Resolution • Up to 8K*** Resolution • Up to 8K*** * See support diagram for previous NVIDIA HW generations ** 4:2:2 is not natively supported on HW 6 *** Support is codec dependent VIDEO SDK EVOLUTION Video SDK 8.0 SDK 7.x Pascal 10-bit encode SDK 5.0 FFmpeg Maxwell 2 ME-only for VR HEVC Quality++ Perf++ SDK 6.0 SDK 4.0 ARGB Maxwell 1 SDK 8.0 Quality+ 10-bit transcode H.264 Dec+Enc 4:4:4, lossless 10/12-bit decode ME-only OpenGL Dec. -
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. -
FFV1 Video Codec Specification
FFV1 Video Codec Specification by Michael Niedermayer [email protected] Contents 1 Introduction 2 2 Terms and Definitions 2 2.1 Terms ................................................. 2 2.2 Definitions ............................................... 2 3 Conventions 3 3.1 Arithmetic operators ......................................... 3 3.2 Assignment operators ........................................ 3 3.3 Comparison operators ........................................ 3 3.4 Order of operation precedence .................................... 4 3.5 Range ................................................. 4 3.6 Bitstream functions .......................................... 4 4 General Description 5 4.1 Border ................................................. 5 4.2 Median predictor ........................................... 5 4.3 Context ................................................ 5 4.4 Quantization ............................................. 5 4.5 Colorspace ............................................... 6 4.5.1 JPEG2000-RCT ....................................... 6 4.6 Coding of the sample difference ................................... 6 4.6.1 Range coding mode ..................................... 6 4.6.2 Huffman coding mode .................................... 9 5 Bitstream 10 5.1 Configuration Record ......................................... 10 5.1.1 In AVI File Format ...................................... 11 5.1.2 In ISO/IEC 14496-12 (MP4 File Format) ......................... 11 5.1.3 In NUT File Format .................................... -
Submitting Electronic Evidentiary Material in Western Australian Courts
Submitting Electronic Evidentiary Material in Western Australian Courts Document Revision History Revision Date Version Summary of Changes October 2007 1 Preliminary Draft December 2007 2 Incorporates feedback from Electronic Evidentiary Standards Workshop February 2008 3 Amendments following feedback from Paul Smith, Martin Jackson and Chris Penwald. June 2008 4 Amendments by Courts Technology Group July 2008 5 Amendments from feedback August 2008 6 Courtroom Status Update February 2010 7 Address details and Courtroom Status Update May 2013 8 Status Update November 2013 9 Status & Location Update February 2017 10 Incorporates range of new formats and adjustment to process December 2019 11 Updates to CCTV Players, Court Location Courtroom Types and Microsoft Office versions. Page 1 of 15 SUBMITTING ELECTRONIC EVIDENTIARY MATERIAL IN WESTERN AUSTRALIAN COURTS 1. INTRODUCTION ..................................................................................3 1.1. Non-Compliance with Standards ................................................................ 3 1.2. Court Locations ...................................................................................... 3 1.3. Courtroom Types .................................................................................... 3 1.3.1. Type A & B ........................................................................................ 3 1.3.2. Type C .............................................................................................. 3 1.4. Contacting DoJ Courts in Relation to Electronic -
Ffmpeg Codecs Documentation Table of Contents
FFmpeg Codecs Documentation Table of Contents 1 Description 2 Codec Options 3 Decoders 4 Video Decoders 4.1 hevc 4.2 rawvideo 4.2.1 Options 5 Audio Decoders 5.1 ac3 5.1.1 AC-3 Decoder Options 5.2 flac 5.2.1 FLAC Decoder options 5.3 ffwavesynth 5.4 libcelt 5.5 libgsm 5.6 libilbc 5.6.1 Options 5.7 libopencore-amrnb 5.8 libopencore-amrwb 5.9 libopus 6 Subtitles Decoders 6.1 dvbsub 6.1.1 Options 6.2 dvdsub 6.2.1 Options 6.3 libzvbi-teletext 6.3.1 Options 7 Encoders 8 Audio Encoders 8.1 aac 8.1.1 Options 8.2 ac3 and ac3_fixed 8.2.1 AC-3 Metadata 8.2.1.1 Metadata Control Options 8.2.1.2 Downmix Levels 8.2.1.3 Audio Production Information 8.2.1.4 Other Metadata Options 8.2.2 Extended Bitstream Information 8.2.2.1 Extended Bitstream Information - Part 1 8.2.2.2 Extended Bitstream Information - Part 2 8.2.3 Other AC-3 Encoding Options 8.2.4 Floating-Point-Only AC-3 Encoding Options 8.3 flac 8.3.1 Options 8.4 opus 8.4.1 Options 8.5 libfdk_aac 8.5.1 Options 8.5.2 Examples 8.6 libmp3lame 8.6.1 Options 8.7 libopencore-amrnb 8.7.1 Options 8.8 libopus 8.8.1 Option Mapping 8.9 libshine 8.9.1 Options 8.10 libtwolame 8.10.1 Options 8.11 libvo-amrwbenc 8.11.1 Options 8.12 libvorbis 8.12.1 Options 8.13 libwavpack 8.13.1 Options 8.14 mjpeg 8.14.1 Options 8.15 wavpack 8.15.1 Options 8.15.1.1 Shared options 8.15.1.2 Private options 9 Video Encoders 9.1 Hap 9.1.1 Options 9.2 jpeg2000 9.2.1 Options 9.3 libkvazaar 9.3.1 Options 9.4 libopenh264 9.4.1 Options 9.5 libtheora 9.5.1 Options 9.5.2 Examples 9.6 libvpx 9.6.1 Options 9.7 libwebp 9.7.1 Pixel Format 9.7.2 Options 9.8 libx264, libx264rgb 9.8.1 Supported Pixel Formats 9.8.2 Options 9.9 libx265 9.9.1 Options 9.10 libxvid 9.10.1 Options 9.11 mpeg2 9.11.1 Options 9.12 png 9.12.1 Private options 9.13 ProRes 9.13.1 Private Options for prores-ks 9.13.2 Speed considerations 9.14 QSV encoders 9.15 snow 9.15.1 Options 9.16 vc2 9.16.1 Options 10 Subtitles Encoders 10.1 dvdsub 10.1.1 Options 11 See Also 12 Authors 1 Description# TOC This document describes the codecs (decoders and encoders) provided by the libavcodec library.