By: Aaron Daniel

1877  Thomas Alva Edison was working in his lab and succeeded in recovering Mary's Little Lamb from a strip of tinfoil wrapped around a spinning cylinder.

1878  The first music is put on record, Jules Levy plays "Yankee Doodle."

1887  Emile Berliner is granted a patent on a flat disc gramophone, from making the production of multiple copies practical.

1888 Introduces a electric motor driven phonograph.

1895  Marconi successfully experiments with his wireless telegraphy system in Italy, leading to the first transatlantic signals from Poldhu, Cornwall, UK to St. John's, Newfoundland in 1901.

1900  Paulsen unveils his invention to the public at the Paris Exposition.

1906  Lee Deforest invents the triode vacuum tube, the first electronic signal amplifier.

1912  Major Edwin F. Armstrong is issued a patent for a regenerative circuit, making radio reception practical.

1916 A patent for the super heterodyne circuit is issued to Armstrong. The Society of Motion Picture Engineers (SMPE) is formed. Edison does live-versus-recorded demonstrations in Carnegie Hall, NYC.

1920  The first commercial AM radio broadcast is made by KDKA.

1926  O'Neill patent iron oxide-coated paper tape.

1927  " The Jazz Singer" is released as the first commercial talking picture, using Vita phone sound on disks synchronized with film.

1928  Dr. Harold Black at Bell Labs applies for a patent on the principle of negative feedback. It is granted nine years later.

1931  The first cardioids ribbon microphone is patented by Dr. Harry F. Olson using a field coil instead of a permanent magnet.

1934  E. W. Kellogg granted patent that described an electrostatic speaker composed of many small sections able to radiate sound with out magnets or cones or baffles.

1940  Walt Disney's "Fantasia" is released, with eight-track stereophonic sound.

1950  They release the 12 inch Columbia format disk.

1958  The first commercial stereo disk recordings appear.

1965 Robert Moog shows elements of his early music "synthesizers."

1977  RCA announced it would sell VHS with 4- hour tapes.

1983  The first DSP produced by Texas Instruments

1984  The first DSP produced by Texas Instruments.

1994  Yamaha unveils the ProMix 01, the first "affordable" digital multitrack console.

1997  The DVDs disk and players are inrtroduced.

1999  Audio DVD Standard 1.0 agreed upon by manufacturers.