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  2. Audio Research - Wikipedia

    en.wikipedia.org/wiki/Audio_Research

    Audio Research Corporation ("ARC") is one of the oldest manufacturers of high-end audio equipment still in operation. The company was known to be a pioneer at advancing state-of-the-art audio reproduction in the 1970s, and for re-introducing the vacuum tube as the primary active amplification device. With the help of reviews in audiophile ...

  3. Harry Pearson (audio critic) - Wikipedia

    en.wikipedia.org/wiki/Harry_Pearson_(audio_critic)

    Harry Pearson (audio critic) Harry Hall Pearson, Jr. (January 5, 1937 – November 4, 2014), known to his readers as HP, was an American journalist, audio reviewer, and publisher who founded The Absolute Sound magazine for high-end audio enthusiasts. Pearson is considered the most influential figure in the history of audiophile journalism. [ 1]

  4. History of sound recording - Wikipedia

    en.wikipedia.org/wiki/History_of_sound_recording

    There was a period of nearly five years, from 1925 to 1930 when the top "audiophile" technology for home sound reproduction consisted of a combination of electrically recorded records with the specially-developed Victor Orthophonic Victrola, an acoustic phonograph that used waveguide engineering and a folded horn to provide a reasonably flat ...

  5. The public version of the Version 3.0 and Version 4.0 Study Review Guide is available using the link below. Access to the Version 4.1 and Version 5.0 Study Review Guide is available only to authorized users. The User Guide provides an overview and tips for completing reviews in the Study Review Guide. Study Review Guide Instructions for Public ...

  6. Resources for WWC Reviewers - Institute of Education Sciences

    ies.ed.gov/ncee/wwc/Resources/ResourcesForReviewers

    What Works Clearinghouse (WWC) Group Design Refresher Training. April 9, 2024. The WWC has released a webinar intended for those certified in WWC group design standards version 5.0. This webinar provides reviewers with tips and strategies for conducting reviews under version 5.0 standards and how to address challenging issues in reviews.

  7. Get the Knack - Wikipedia

    en.wikipedia.org/wiki/Get_the_Knack

    Get the Knack is the debut album by American rock band the Knack, released in June 1979.At the time, the album was one of the most successful debuts in history, selling over one million copies in less than two months and spending five weeks at number one on the Billboard 200 album chart.

  8. Introduction to Data Analysis Handbook - ed

    files.eric.ed.gov/fulltext/ED536788.pdf

    analysis. We provide a framework to guide program staff in their thinking about these procedures and methods and their relevant applications in MSHS settings. Accordingly, this Handbook was developed to support the work of MSHS staff across content areas. This Handbook was created because “using data in meaningful ways” includes many

  9. A User’s Guide to Topological Data Analysis - ed

    files.eric.ed.gov/fulltext/EJ1149275.pdf

    A 2-dimensional simplex is a triangle, given by its three vertices, and so on. Generally, a -dimensional simplex is defined by + 1 vertices. A face of a simplex is one defined by a subset of its vertex set. So, the faces of an edge (given by 2 vertices) are the two endpoint vertices (and technically the edge itself).