Unit 42 - Digital Devices

  • BRITISH SCIENTIST ALEC FERMIN

    BRITISH SCIENTIST ALEC FERMIN
    Alec Fermin filed the first patent describing Pulse-code modulation.
  • BELL TELEPHONE LABORATORIES

    In 1943, Bell Telephone Laboratories developed the first digital scrambled speech transmission system.
  • MAX MATTHEWS

    In 1957, Max Matthews of Bell develops the process to digitally record sound with a computer.
  • DIGITAL AUDIO, MAGNETIC TAPE

    DIGITAL AUDIO, MAGNETIC TAPE
    The first digital audio magnetic tape recorder was invented in 1967. A 12-bit 30kHz stereo device using a compander to extend the dynamic range
  • THOMAS STOCKHAM

    In 1975, Thomas Stockham made the first digital audio recordings using standard computer equipment and developed a digital audio recorder of his own design. This was the first of it's kind to be offered commercially.
  • DIGITAL COMPACT DISC

    In 1982, The first digital compact disc are marketed by Sony and Philips, and New England Digital offers the hard disk recorder option on the Synclavier.
  • OPTICAL DISCS AND DVD PLAYERS

    Optical discs and DVD players begin selling in Japan
  • Apple iPod

    Apple iPod
    Apple released the iPod, which became the most popular MP3 player in history. This plus opening the iTunes Store to distribute music content lead to a disruptive and sweeping change in the music industry.
  • Unveiling the Apple iPhone

    Apple CEO Steve Jobs unveiled the Apple iPhone at the MacWorld Conference in San Francisco on 9 January 2007, and announced it would go on sale in late June. The iPhone is a combination widescreen iPod, cell phone and pocket internet device.
  • Apple iPad

    Apple iPad
    Apple introduced the iPad, another revolution in portable “tablet” computing.