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Chapter 3

Chapter 3. Music and Media. In this chapter you will learn about …. 1. Music recording systems 2. Music and media (Films, advertisements , etc.). Music recording systems. We can divide these systems in 3 groups … Acoustic Era (from1875 until 1925)

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Chapter 3

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  1. Chapter 3 Music and Media

  2. In thischapteryouwilllearnabout… • 1. Musicrecordingsystems • 2. Music and media (Films, advertisements, etc.)

  3. Musicrecordingsystems • We can divide thesesystems in 3 groups… • Acoustic Era (from1875 until 1925) • Electrical Era (from 1925 until 1975) • Digital Era (from 1975 untilnowadays)

  4. Acoustic Era • PHONOGRAPH • Itwasthefirstrecordingsystem. Inventedby Thomas Alva Edison • Hereyou can seehowitworks… • http://www.youtube.com/watch?v=qGJR2DZBfF0

  5. Acoustic Era • GRAMOPHONE • Itwastheevolution of thephonograph • It uses Vinyl disk to record themusicthrough a mechanicalprocess. • Surprisingly, itdoesn´tneedanyelectricitytoplaythe disk as youwillsee in this video…!! • http://www.youtube.com/watch?v=iRMDaOBxUXk&feature=related In theVoyagerspacecraftthereisinstructionsabouthowto use it…

  6. TheVoyager • In theVoyagerspacecraftthere are instructionsabouthowto use it… • http://voyager.jpl.nasa.gov/spacecraft/sounds.html

  7. Electric Era • MAGNETIC TAPE • ThissystemistraditionallyknownbyTape recorderorCassette • Itrecordedusing a couple of magnetswhichcreate a magneticfieldaround a tape • Thissystemadds a lof of highfrecuencynoisetothesound

  8. MAGNETIC TAPE

  9. Digital Era • Compact Disc (CD) • Itappeared in 80´s decade. Theplayer uses laser beamwhenisreadingthe disc • Thesoundqualityisbetter and thestoragespacebigger

  10. Ifwecouldseethe disc surface in a micro-scale, wewouldseesomethinglikethis…

  11. Digital Era • MP3 • Itislike a smallcomputerwhich can read mp3 files • MP3 fileis a compressedfilewhich has beenfiltereddeleting so manybackgroundsounds in orderto reduce thefilesize… • It reduces as wellthesoundquality…

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