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Compression: Crash Course Computer Science #21

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Get your first two months of CuriosityStream free by going to http://curiositystream.com/crashcourse and using the promo code “crashcourse”. So last episode we talked about some basic file formats, but what we didn’t talk about is compression. Often files are way too large to be easily stored on hard drives or transferred over the Internet - the solution, unsurprisingly, is to make them smaller. Today, we’re going to talk about lossless compression, which will give you the exact same thing when reassembled, as well as lossy compression, which uses the limitations of human perception to remove less important data. From listening to music and sharing photos, to talking on the phone and even streaming this video right now the ways we use the Internet and our computing devices just wouldn’t be possible without the help of compression. Pre-order our limited edition Crash Course: Computer Science Floppy Disk Coasters here! https://store.dftba.com/products/comp... Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios Want to know more about Carrie Anne? https://about.me/carrieannephilbin The Latest from PBS Digital Studios: https://www.youtube.com/playlist?list... Want to find Crash Course elsewhere on the internet?Facebook - https://www.facebook.com/YouTubeCrash ...Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids


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  Crash Course Computer Science Preview   Crash Course Computer Science Outtakes   Computer Networks: Crash Course Computer Science #28   Programming Languages: Crash Course Computer Science #11   Memory & Storage: Crash Course Computer Science #19   Operating Systems: Crash Course Computer Science #18   The Internet: Crash Course Computer Science #29   Instructions & Programs: Crash Course Computer Science #8   Early Computing: Crash Course Computer Science #1   3D Graphics: Crash Course Computer Science #27   Cybersecurity: Crash Course Computer Science #31   Electronic Computing: Crash Course Computer Science #2   Data Structures: Crash Course Computer Science #14   Alan Turing: Crash Course Computer Science #15   Software Engineering: Crash Course Computer Science #16   Outtakes #2: Crash Course Computer Science   Early Programming: Crash Course Computer Science #10   The Personal Computer Revolution: Crash Course Computer Science #25   Intro to Algorithms: Crash Course Computer Science #13   Graphical User Interfaces: Crash Course Computer Science #26   Registers and RAM: Crash Course Computer Science #6   The Central Processing Unit (CPU): Crash Course Computer Science #7   Programming Basics: Statements & Functions: Crash Course Computer Science #12   Integrated Circuits & Moore’s Law: Crash Course Computer Science #17   The Cold War and Consumerism: Crash Course Computer Science #24   Keyboards & Command Line Interfaces: Crash Course Computer Science #22   Binary - Representing Numbers and Letters: Crash Course Computer Science #4   How Computers Calculate - the ALU: Crash Course Computer Science #5   Advanced CPU Designs: Crash Course Computer Science #9   Screens & 2D Graphics: Crash Course Computer Science #23   Files & File Systems: Crash Course Computer Science #20   Boolean Logic & Logic Gates: Crash Course Computer Science #3   The First Programming Languages: Crash Course Computer Science #11   The World Wide Web: Crash Course Computer Science #30   Electric Fields: Crash Course Physics #26   Personhood: Crash Course Philosophy #21   Social Thinking: Crash Course Psychology #37   Geometric Optics: Crash Course Physics #38   Torque: Crash Course Physics #12   Crash Course: Life, Race and Politics   New hope for 34 student-inmates who graduate inside Bilibid   Lecture 1 | Machine Learning (Stanford)   Lecture 4 | Programming Abstractions (Stanford)   Representing Numbers and Letters with Binary: Crash Course Computer Science #4   Dr. J. Alex Halderman talks About how easy election equipment is to hack without getting caught   Social Stratification: Crash Course Sociology #21   Lab Techniques & Safety: Crash Course Chemistry #21   Rorschach & Freudians: Crash Course Psychology #21   Taxonomy: Life's Filing System - Crash Course Biology #19   What is a Game?: Crash Course Games #1   Naked Eye Observations: Crash Course Astronomy #2   Induction - An Introduction: Crash Course Physics #34   Sound: Crash Course Physics #18   Statics: Crash Course Physics #13   Moon Phases: Crash Course Astronomy #4   Pixel: design a robot while learning to code   Unbeatable Poker Computer Created   Everything, The Universe...And Life: Crash Course Astronomy #46   Women in Computer Science   Deep Time: Crash Course Astronomy #45   Integrals: Crash Course Physics #3   Measuring Personality: Crash Course Psychology #22   Obama's Computer Science Revolution   Fixing Our Storage Problems with Automated Compression   Electric Current: Crash Course Physics #28   Depressive and Bipolar Disorders: Crash Course Psychology #30   Opening Remarks | Stanford Computer Science 50th Anniversary   Expanding the Frontiers of Computer Science Education   Compression Tights: Do They Help Your Running Game?   Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3   Cycles in the Sky: Crash Course Astronomy #3   Eclipses: Crash Course Astronomy #5   Contractarianism: Crash Course Philosophy #37   Tissues, Part 1: Crash Course A&P #2   Karl Popper, Science, and Pseudoscience: Crash Course Philosophy #8

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