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  2. History of PDF - Wikipedia

    en.wikipedia.org/wiki/History_of_PDF

    The final revised documentation for PDF 1.7 was approved by ISO Technical Committee 171 in January 2008 and published as ISO 32000-1:2008 on July 1, 2008, and titled Document management – Portable document format – Part 1: PDF 1.7. ISO 32000-1:2008 is the first ISO standard for full function PDF.

  3. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    This is an accepted version of this page This is the latest accepted revision, reviewed on 13 November 2024. Portable Document Format, a digital file format For other uses, see PDF (disambiguation). Portable Document Format Adobe PDF icon Filename extension.pdf Internet media type application/pdf, application/x-pdf application/x-bzpdf application/x-gzpdf Type code PDF (including a single ...

  4. Musical notation - Wikipedia

    en.wikipedia.org/wiki/Musical_notation

    Braille music is a complete, well developed, and internationally accepted musical notation system that has symbols and notational conventions quite independent of print music notation. It is linear in nature, similar to a printed language and different from the two-dimensional nature of standard printed music notation.

  5. Potato chip - Wikipedia

    en.wikipedia.org/wiki/Potato_chip

    At first, potato chips were packaged in barrels or tins, which left chips at the bottom stale and crumbled. In the 1920s, Laura Scudder, [31] [32] [33] an entrepreneur in Monterey Park, California, started having her workers take home sheets of wax paper to iron into the form of bags, which were filled with chips at her factory the next day ...

  6. Sheet music - Wikipedia

    en.wikipedia.org/wiki/Sheet_music

    Hymn-style arrangement of "Adeste Fideles" in standard two-staff format (bass staff and treble staff) for mixed voices Tibetan musical score from the 19th century. Sheet music is a handwritten or printed form of musical notation that uses musical symbols to indicate the pitches, rhythms, or chords of a song or instrumental musical piece.

  7. Shape note - Wikipedia

    en.wikipedia.org/wiki/Shape_note

    The four syllable variation of Guido's original system was prominent in 17th century England, and entered the US in the 18th century. [2] Shortly afterward, shapes were invented to represent the syllables. (see below). The other important systems are seven-shape systems, which give a different shape and syllable to every note of the scale.

  8. History of music publishing - Wikipedia

    en.wikipedia.org/wiki/History_of_music_publishing

    A page from the Mellon Chansonnier (c.1470), prepared for the wedding of Catherine of Aragon. Music publishing is the business of creating, producing and distributing printed musical scores, parts, and books in various types of music notation, while ensuring that the composer, songwriter and other creators receive credit and royalties or other payment (where applicable).

  9. Music manuscript - Wikipedia

    en.wikipedia.org/wiki/Music_manuscript

    The earliest written sources of Western European music can be found in medieval manuscripts of the late 9th century that contain liturgical texts. [1] Above these texts small symbols indicated the shape of the melodic lines. Only a few manuscripts survive from that time. New systems were devised over the centuries. [2]