Thursday, November 29, 2012

Connected Life 40 - History of Recorded Audio

Connected Life 40 - History of Recorded Audio Video Clips. Duration : 1.57 Mins.


feeds.feedburner.com The first practical sound recording and reproduction device was Thomas Edison's mechanical phonograph cylinder, invented in 1877. Later that year, Emile Berliner's gramophone used a lateral, side-to-side recording method that allowed copying of the 'master' disc. The first electronic signal amplifier was invented by Lee De Forest in 1906 and Edwin Armstrong patented a regenerative circuit in 1912, making radio reception practical. By 1925, they'd become recording industry standards and the electronic recording era had arrived. Reel-to-reel tapes and the long-playing record brought us into the magnetic era, which lasted from (1948-80). Philip's had introduced a portable audio cassette player in 1963, and by the early 1980s, Sony's popular 'Walkman' finally ended the reign of vinyl records. Philips and Sony actually joined forces and introduced the Compact Disc in 1982. Later, the MIDI (Musical Instrument Digital Interface) allowed electronic musical instruments to become even more integrated with sound recordings. From 1989 until today, the continual development and refinement of the MP3 format has enabled the easy transfer and manipulation of high quality digital music files. In 2001, Apple introduced an 'iPod' MP3 player that held nearly 5000 songs – and the rest as they say is history…

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