response 7 of 126:

Jan 1 23:23 UTC 1999

Off the top of my head I can think of the following.  Please correct
me if I forgot or misremembered something...


Analog Physical
  Master
    Wax cylinder
    Wax disc
    Acetate disc
  Playback 
    Wax (and/or Acetate?) cylinder
    78 RPM discs
    45, 33 1/3 RPM pressed vinyl discs
    20" 'Vitaphone' movie sound discs (strange pre-optical
                                           movie soundtrack format)

Analog Magnetic
  Wire
  Magnetic tape
    Master/high end
      1" 32 track (?, extrapolating here...)
      1/2" 16 track
      1/4" 2/4-track open reel
    Playback
      1/4" 4/2-track open reel
      8-Track
      Philips cassette
      Radio production "carts"
      
Digital
  Tape
    ADAT 16 track (professional, I'm not really familiar with this)
    DAT
  Optical
    Compact Disc (CDDA)
    DVD
  Other disc
    MiniDisc
    Computer HD with various encoding formats

Other
  Optical Motion Picture Soundtrack