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Sound Recording

Sound Recording. We need to backtrack a bit to understand sound recording. Leon Scott de Martinville - phonautograph - 1857. Attached a bristle to a membrane at the end of a cone, set the bristle to touch a piece of smoked glass Spoke into the cone

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Sound Recording

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  1. Sound Recording

  2. We need to backtrack a bit to understand sound recording

  3. Leon Scott de Martinville - phonautograph - 1857 • Attached a bristle to a membrane at the end of a cone, set the bristle to touch a piece of smoked glass • Spoke into the cone • membrane vibrated to the sound and the bristle etched a wavy line onto the smoked glass

  4. Spring of 2009 scientists were able to get sound from one of de Martinville’s paper phonautographs – a woman singing for 10 seconds

  5. Thomas Edison

  6. Tinfoil phonograph – 1877

  7. Close-up on bumps

  8. Chichester Bell / Charles Tainter

  9. Bell and Tainter’s phonograph – 1885

  10. Close-up

  11. Emile Berliner

  12. Berliner Gramophone – 1887

  13. Eldridge Johnson / Gramophone

  14. “Little Nipper”

  15. Columbia’s Eagle

  16. Mechanical recording session

  17. Electrical Recording

  18. Valdemar Poulsen

  19. Telegraphone – 1897

  20. Close up of telegraphone

  21. Telegraphone – 1915

  22. Fritz Pfleumer

  23. Magnetic tape

  24. BASF/AEG Magnetophone – 1935

  25. Carbon granule mic

  26. Condenser Microphone

  27. Ribbon mike

  28. Electrical recording session

  29. Cone speaker

  30. Siemans’ dynamic speaker

  31. Radiation speaker

  32. Orthophonic speaker

  33. Speaker construction

  34. Back to tape

  35. Reel to reel tape recorder – 1948

  36. Cassette tape – 1963

  37. Norelco CarryCorder – 1965

  38. 8 track tape – 1966

  39. Sony Walkman – 1979

  40. Digital Revolution

  41. Close up of record grooves

  42. CD pits

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