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Biographies of Computer Scientists
1 Charles Babbage 26 December 1791 (London, UK) – 18 October 1871 (London, UK) Life and Times Charles Babbage was born into a wealthy family, and started his mathematics education very early. By . 1811, when he went to Trinity College, Cambridge, he found that he knew more mathematics then his professors. He moved to Peterhouse, Cambridge from where he graduated in 1814. However, rather than come second to his friend Herschel in the final examinations, Babbage decided not to compete for an honors degree. In 1815 he co-founded the Analytical Society dedicated to studying continental reforms of Newton's formulation of “The Calculus”. He was one of the founders of the Astronomical Society in 1820. In 1821 Babbage started work on his Difference Engine designed to accurately compile tables. Babbage received government funding to construct an actual machine, but they stopped the funding in 1832 when it became clear that its construction was running well over-budget George Schuetz completed a machine based on the design of the Difference Engine in 1854. On completing the design of the Difference Engine, Babbage started work on the Analytical Engine capable of more general symbolic manipulations. The design of the Analytical Engine was complete in 1856, but a complete machine would not be constructed for over a century. Babbage's interests were wide. It is claimed that he invented cow-catchers for railway engines, the uniform postal rate, a means of recognizing lighthouses. He was also interested in locks and ciphers. He was politically active and wrote many treatises. One of the more famous proposed the banning of street musicians. -
Convention Program
AAEESS 112244tthh CCOONNVVEENNTTIIOONN PPRROOGGRRAAMM May 17 – 20, 2008 RAI International Exhibition & Congress Centre, Amsterdam The AES has launched a new opportunity to recognize 1University of Salford, Salford, Greater student members who author technical papers. The Stu- Manchester, UK dent Paper Award Competition is based on the preprint 2ICW, Ltd., Wrexham, Wales, UK manuscripts accepted for the AES convention. Forty-two student-authored papers were nominated. This paper gives an account of work carried out The excellent quality of the submissions has made the to assess the effects of metallized film selection process both challenging and exhilarating. polypropylene crossover capacitors on key sonic The award-winning student paper will be honored dur- attributes of reproduced sound. The capacitors ing the convention, and the student-authored manuscript under investigation were found to be mechani- will be published in a timely manner in the Journal of the cally resonant within the audio frequency band, Audio Engineering Society. and results obtained from subjective listening Nominees for the Student Paper Award were required tests have shown this to have a measurable to meet the following qualifications: effect on audio delivery. The listening test methodology employed in this study evolved (a) The paper was accepted for presentation at the from initial ABX type tests with set program AES 124th Convention. material to the final A/B tests where trained test (b) The first author was a student when the work was subjects used program material that they were conducted and the manuscript prepared. familiar with. The main findings were that (c) The student author’s affiliation listed in the manu- capacitors used in crossover circuitry can exhibit script is an accredited educational institution. -
4. MPEG Layer-3 Audio Encoding
MPEG Layer-3 An introduction to MPEG Layer-3 K. Brandenburg and H. Popp Fraunhofer Institut für Integrierte Schaltungen (IIS) MPEG Layer-3, otherwise known as MP3, has generated a phenomenal interest among Internet users, or at least among those who want to download highly-compressed digital audio files at near-CD quality. This article provides an introduction to the work of the MPEG group which was, and still is, responsible for bringing this open (i.e. non-proprietary) compression standard to the forefront of Internet audio downloads. 1. Introduction The audio coding scheme MPEG Layer-3 will soon celebrate its 10th birthday, having been standardized in 1991. In its first years, the scheme was mainly used within DSP- based codecs for studio applications, allowing professionals to use ISDN phone lines as cost-effective music links with high sound quality. In 1995, MPEG Layer-3 was selected as the audio format for the digital satellite broadcasting system developed by World- Space. This was its first step into the mass market. Its second step soon followed, due to the use of the Internet for the electronic distribution of music. Here, the proliferation of audio material – coded with MPEG Layer-3 (aka MP3) – has shown an exponential growth since 1995. By early 1999, “.mp3” had become the most popular search term on the Web (according to http://www.searchterms.com). In 1998, the “MPMAN” (by Saehan Information Systems, South Korea) was the first portable MP3 player, pioneering the road for numerous other manufacturers of consumer electronics. “MP3” has been featured in many articles, mostly on the business pages of newspapers and periodicals, due to its enormous impact on the recording industry. -
Greater Little Zion Baptist Church 10185 Zion Drive Fairfax, VA 22032 Phone
Community Invitations to GLZBC Greater Little Zion Baptist Church Christian Way Baptist Church Anniversary 24th Pastoral & 29th Church 10185 Zion Drive 929 West Broad Street, Falls Church, VA ~ Rev. Dr. Augustus Henderson, Pastor Guest Preachers Fairfax, VA 22032 Pastor Paul Sheppard ~ 1st Baptist Church of Merrifield ~ Wed. October 16th @ 7 PM Pastor Matthew Pearson ~ Warner Baptist Church ~ Wed. October 23rd @ 7 PM Phone: 703-239-9111 Fax: 703-250-2676 Heirs to the Kingdom Office Hours: 9:30 a.m. – 5:30 p.m. One Year Anniversary October 13, 2019 at 3:30 PM Email: [email protected] MC: Minister Tracy Drayton Musical selections by: “New Praise, “Just Say Yes” and “Faith Tabernacle Christian Choir” Website: www.glzbc.org Location: Community Baptist Church - 10112 Community Lane, Fairfax, VA 22039 Free PSAT/SAT Prep Tests!!! October 17, 2019 - Room 214 – 7:00 – 8:45 PM November 14, 2019 – Room 304 – 7:00 - 8:45 PM Ebenezer Baptist Church ~ 13020 Telegraph Rd, Woodbridge, VA 22192 Cost is FREE! To register contact: Mrs. Randi Manderson (703) 314-8887 or email: [email protected] EBC Golden Eagles Ministry Presents… Senior Fall Fellowship Theme: Journey Around the World – Stage Stopover in Hawaii Saturday, November 16, 2019 ~ 1:00 p.m. – 4:00 p.m. RSVP on or before October 25, 2019 Alisare Fitzgerald: (703) 491-4855 or [email protected] Sunday, October 13, 2019 Verna Tynes: (703) 590-7774 or [email protected] Age Requirement: 55+ Years; Admission: $25 Ebenezer Baptist Church 13020 Telegraph Road, Woodbridge, VA 22192 Outreach Prayer Breakfast Saturday, October 26, 2019 ~ 9AM – Noon Hosted by: The Women’s Ministry to The Northern Virginia Baptist Association, Inc. -
Petter Sandvik Formal Modelling for Digital Media Distribution
Petter Sandvik Formal Modelling for Digital Media Distribution Turku Centre for Computer Science TUCS Dissertations No 206, November 2015 Formal Modelling for Digital Media Distribution Petter Sandvik To be presented, with the permission of the Faculty of Science and Engineering at Åbo Akademi University, for public criticism in Auditorium Gamma on November 13, 2015, at 12 noon. Åbo Akademi University Faculty of Science and Engineering Joukahainengatan 3-5 A, 20520 Åbo, Finland 2015 Supervisors Associate Professor Luigia Petre Faculty of Science and Engineering Åbo Akademi University Joukahainengatan 3-5 A, 20520 Åbo Finland Professor Kaisa Sere Faculty of Science and Engineering Åbo Akademi University Joukahainengatan 3-5 A, 20520 Åbo Finland Reviewers Professor Michael Butler Electronics and Computer Science Faculty of Physical Sciences and Engineering University of Southampton Highfield, Southampton SO17 1BJ United Kingdom Professor Gheorghe S, tefănescu Computer Science Department University of Bucharest 14 Academiei Str., Bucharest, RO-010014 Romania Opponent Professor Michael Butler Electronics and Computer Science Faculty of Physical Sciences and Engineering University of Southampton Highfield, Southampton SO17 1BJ United Kingdom ISBN 978-952-12-3294-7 ISSN 1239-1883 To tose who are no longr wit us, and to tose who wil be here afer we are gone i ii Abstract Human beings have always strived to preserve their memories and spread their ideas. In the beginning this was always done through human interpretations, such as telling stories and creating sculptures. Later, technological progress made it possible to create a recording of a phenomenon; first as an analogue recording onto a physical object, and later digitally, as a sequence of bits to be interpreted by a computer. -
Stephanie Preißner, Christina Raasch, and Tim Schweisfurth
A Service of Leibniz-Informationszentrum econstor Wirtschaft Leibniz Information Centre Make Your Publications Visible. zbw for Economics Preißner, Stephanie; Raasch, Christina; Schweisfurth, Tim Working Paper Is necessity the mother of disruption? Kiel Working Paper, No. 2097 Provided in Cooperation with: Kiel Institute for the World Economy (IfW) Suggested Citation: Preißner, Stephanie; Raasch, Christina; Schweisfurth, Tim (2017) : Is necessity the mother of disruption?, Kiel Working Paper, No. 2097, Kiel Institute for the World Economy (IfW), Kiel This Version is available at: http://hdl.handle.net/10419/172535 Standard-Nutzungsbedingungen: Terms of use: Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Documents in EconStor may be saved and copied for your Zwecken und zum Privatgebrauch gespeichert und kopiert werden. personal and scholarly purposes. Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle You are not to copy documents for public or commercial Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich purposes, to exhibit the documents publicly, to make them machen, vertreiben oder anderweitig nutzen. publicly available on the internet, or to distribute or otherwise use the documents in public. Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, If the documents have been made available under an Open gelten abweichend von diesen Nutzungsbedingungen die in der dort Content Licence (especially Creative Commons Licences), you genannten Lizenz gewährten Nutzungsrechte. may exercise further usage rights as specified in the indicated licence. www.econstor.eu KIEL WORKING PAPER Is Necessity the Mother of Disruption? No. 2097 December 2017 Stephanie Preißner, Christina Raasch, and Tim Schweisfurth Kiel Institute for the World Economy ISSN 2195–7525 KIEL WORKING PAPER NO. -
Thursday Morning, 29 June 2017 Room 207, 7:55 A.M
THURSDAY MORNING, 29 JUNE 2017 ROOM 207, 7:55 A.M. TO 12:20 P.M. Session 5aAAa Architectural Acoustics and ASA Committee on Standards: Uncertainty in Laboratory Building Acoustic Standards Matthew V. Golden, Cochair Pliteq, 616 4th Street, NE, Washington, DC 20002 Daniel Urba´n, Cochair A & Z Acoustics, s.r.o., S. H. Vajanske´ho 43, Nove`Za´mky, 94079, Slovakia Chair’s Introduction—7:55 Invited Papers 8:00 5aAAa1. Remarks on the definition of airborne sound insulation and consequences for uncertainties. Volker Wittstock (Physika- lisch-Technische Bundesanstalt, Bundesallee 100, Braunschweig 38118, Germany, [email protected]) Airborne sound insulation is explicitly defined as the ratio between incident and transmitted sound power. Since sound power cannot be measured directly, field quantities like sound pressure are measured to derive the desired sound power. The relation between sound pressure and sound power depends on the nature of the sound field, i.e., to which extent it is a diffuse sound field. This is the main reason why it is impossible to derive an analytic equation for the measurement uncertainty of a sound power and thus of a sound insulation. The current practice is to define standardized test facilities for the measurement of airborne sound insulation. The uncertainty of meas- ured sound insulations is then approximated by the standard deviation of reproducibility determined by interlaboratory tests. This is equivalent to changing the definition of airborne sound insulation. It is no longer the sound power ratio but the mean value of the sound insulation measured in very many or all thinkable laboratories meeting the required specifications. -
A Rhetorical Criticism of Google's European Identification Strategies
A Rhetorical Criticism of Google’s European Identification Strategies Kristoffer Nordman Field of study: Rhetoric Level: One Year Master Credits: 30 credits Thesis Defence: Spring 2014 Supervisor: Mika Hietanen Department of Literature Master’s Thesis in Rhetoric Contents 1. Introduction ................................................................................................................................. 3 1.1 Overall topic and motives .................................................................................................... 3 1.2.1 Rhetorics and Humanities and the linkages to Law, Politics and Technology ......... 5 1.2.2 Google speaking at the European Commission Innovation Convention................... 8 1.2.3 Background, The European Union and ideology conflicts in Innovation Policy ...... 8 1.3 Previous research................................................................................................................ 12 1.3.1 Rhetorical Criticism and its application to corporate communication ................... 12 1.3.2 Research on Google .................................................................................................... 16 1.3.3 Adjacent fields of interest ........................................................................................... 17 1.4 Objectives ............................................................................................................................ 19 1.4.1 General topic of inquiry ............................................................................................ -
Mp3
<d.w.o> mp3 book: Table of Contents <david.weekly.org> January 4 2002 mp3 book Table of Contents Table of Contents auf deutsch en español {en français} Chapter 0: Introduction <d.w.o> ● What's In This Book about ● Who This Book Is For ● How To Read This Book books Chapter 1: The Hype code codecs ● What Is Internet Audio and Why Do People Use It? mp3 book ● Some Thoughts on the New Economy ● A Brief History of Internet Audio news ❍ Bell Labs, 1957 - Computer Music Is Born pictures ❍ Compression in Movies & Radio - MP3 is Invented! poems ❍ The Net Circa 1996: RealAudio, MIDI, and .AU projects ● The MP3 Explosion updates ❍ 1996 - The Release ❍ 1997 - The Early Adopters writings ❍ 1998 - The Explosion video ❍ sidebar - The MP3 Summit get my updates ❍ 1999 - Commercial Acceptance ● Why Did It Happen? ❍ Hardware ❍ Open Source -> Free, Convenient Software ❍ Standards ❍ Memes: Idea Viruses ● Conclusion page source http://david.weekly.org/mp3book/toc.php3 (1 of 6) [1/4/2002 10:53:06 AM] <d.w.o> mp3 book: Table of Contents Chapter 2: The Guts of Music Technology ● Digital Audio Basics ● Understanding Fourier ● The Biology of Hearing ● Psychoacoustic Masking ❍ Normal Masking ❍ Tone Masking ❍ Noise Masking ● Critical Bands and Prioritization ● Fixed-Point Quantization ● Conclusion Chapter 3: Modern Audio Codecs ● MPEG Evolves ❍ MP2 ❍ MP3 ❍ AAC / MPEG-4 ● Other Internet Audio Codecs ❍ AC-3 / Dolbynet ❍ RealAudio G2 ❍ VQF ❍ QDesign Music Codec 2 ❍ EPAC ● Summary Chapter 4: The New Pipeline: The New Way To Produce, Distribute, and Listen to Music ● Digital -
Ieee Masaru Ibuka Consumer Electronics Award Recipients
IEEE MASARU IBUKA CONSUMER ELECTRONICS AWARD RECIPIENTS 2018 - LINUS BENEDICT TORVALDS "For his leadership of the development and Fellow, Linux Foundation, San proliferation of Linux.” Francisco, California, USA 2017 - JOHN O’ SULLIVAN “For pioneering contributions to high-speed Electrical Engineer, Taggle Systems, wireless LAN technology.” Everleigh, Australia AND DAVID SKELLERN Chairman, Capital Markets CRC Limited, Sydney, Australia AND TERENCE PERCIVAL Director (Retired), Broadband and the Digital Economy, NICTA, Northbridge, Australia 2016 – STEVEN J. SASSON “For designing and building the first digital President, Steven J. Sasson still camera.” Consulting LLC, Hilton, New York, USA 2015 - MARTIN COOPER “For pioneering contributions to mobile Chair, Dyna LLC, wireless technology, including the first Del Mar, California, USA handheld cellular telephone.” 2014 – NOT AWARDED 2013 - MARTIN DIETZ “For pioneering innovations in digital audio Vice President, EMEA and Business coding, technology leadership, and Strategy, Dolby Laboratories, contributions to the development of High- Nürnberg, Germany Efficiency AAC (“HE-AAC”).” AND KRISTOFER KJÖRLING Principal Member Technical Staff, Dolby Laboratories, Stockholm, Sweden AND LARS LILJERYD Principal Member Technical Staff and Senior Advisor Research, Dolby Laboratories, Stockholm, Sweden 2012 - GISLE BJØNTEGAARD “For leadership and technical contributions Chief Scientist, Tandberg Telecom, to the development of the globally Lysaker Norway deployed video coding standard AND H.264/MPEG4-AVC.” -
ASI Fellows by Discipline
ASI Fellows by Discipline Aerospace Dr. Amare Abebe Dr. Adigun Ade Abiodun Cosmology Satellite Remote Sensing; Space Sciences Dr. Muhammad Alkali Robert L. Curbeam, Jr. Dr. Christine Darden Space Systems, Satellite Communication and Former NASA Astronaut and Navy Captain; Ret’d Project Engineer at NASA Langley Navigation Aeronautical and Astronautical Engineering Dr. Cheick Modibo Diarra W. Paul Dunn Dane Elliott-Lewis Former President of Mali; Former Chairman Aerospace and Civil Engineering Aerospace Engineering for Africa at Microsoft Corp.; Aerospace Engineering Dr. Aprille J. Ericsson Dr. Odell Graham Dr. Odell Graham Aerospace and Mechanical Engineering Physics, Electrical & Aerospace Engineering Physics, Electrical & Aerospace Engineering Dr. Wesley L. Harris Daniel E. Hastings Dr. Patrick A. Hill Aeronauctics and Astronautics Dept. Head, Aeronautics and Astronautics Aeronautics and Astronautics; Technology Management Franklin Hornbuckle Dr. Robert L. Howard, Jr. Ret’d COO, Satellite Aerospace Corp., EE Aerospace Engineering; Spacecraft Design Dr. Lasisi Salami Lawal Jonathan Miller Dr. Narcrisha Norman Head of Navigation at Nigerian Aerospace, Aeronautical and Astronautical Aerospace Engineering Communication Satellite; Nigcomsat1 (R) Engineering satellites payload development Shelly W. Riley, II Dr. Henry T. Sampson Dr. Mitchell Walker Fighter Aircraft Mission Simulations Aerospace, Blacks In Film Expert Associate Editor of the Journal of Spacecraft and Rockets; Aerospace Engineering Dr. Reginald G. Williams Dr. Endawoke Yizengaw Aerospace, Aeronautical and Astronautical Space Science Engineering Agriculture & Aquaculture Dr. Shaukat Ali Abdulrazak Dr. Kenny Uzoma Acholonu and Exec. Sec., National Council for Science Food Science and Technology Dr. George Acquaah Dr. Albert A. Addo-Quaye Agriculture Science and Dean, School of Graduate Studies Adedeji Olayinka Adebiyi Dr. Olabode T. -
PRESS RELEASE PRESS RELEASE October 13, 2015 || Page 1 | 3
FRAUNHOFER INSTITUTE FOR INTEGRATED CIRCUITS IIS PRESS RELEASE PRESS RELEASE October 13, 2015 || Page 1 | 3 mp3 developers to receive esteemed Eduard Rhein Award Erlangen/Munich, October 13, 2015: The Eduard Rhein Foundation has selected Prof. Dr.-Ing. Dr. h.c. Karlheinz Brandenburg, Dr.-Ing. Bernhard Grill and Prof. Dr.-Ing. Jürgen Herre to receive the 2015 Technology Award of the Eduard Rhein Foundation for their significant contributions to the development and implementation of mp3. The audio coding standard forever changed the world of music with its ability to allow music lovers to save their entire music library on a device as small as a matchbox for the very first time. The Eduard Rhein Foundation will present the award at a festive ceremony to be held in the Hall of Fame at the Deutsche Museum in Munich, Germany, on October 17. The 2015 Technology Award will be handed over to Karlheinz Brandenburg, Bernhard Grill and Jürgen Herre, three members of the mp3 team, to honor their “decisive contributions to the development and practical implementation of the mp3 audio coding technique.” Previous recipients of the foundation’s basic research awards include Shannon and Viterbi, absolute giants in their field of research. Naturally, being awarded ourselves is a great honor to us,” explains Jürgen Herre, chair holder for Perceptual Audio Coding at Friedrich-Alexander University Erlangen-Nürnberg (FAU). Dr. Bernhard Grill, head of the Audio & Multimedia division at the Fraunhofer Institute for Integrated Circuits IIS, adds: ”mp3 is the result of a big team’s hard work and persistency to find a way to reduce the size of audio files without risking loss of quality.