o MAGNETIC RECORDING
4. Polyester replaced paper as substrate (1957)
5. Polyester tape found wide use in the music industry, easy to edit
6. Phillips introduced the 8-track cassette tape (1963)
gained popularity in car stereos History of Sound
o MAGNETIC RECORDING
4. Polyester replaced paper as substrate (1957)
5. Polyester tape found wide use in the music industry, easy to edit
6. Phillips introduced the 8-track cassette tape (1963)
gained popularity in car stereos
7. Sony released the Walkman (1979)
used stereo cassette tape, was portable and easily editable History of Sound
o DIGITAL AUDIO
1. Charles Babbage (1791-1871) theorized analytical engine (1842),
his Difference Engine was the predecessor to modern computers History of Sound
o DIGITAL AUDIO
2. Harry Nyquist (1889-1976) wrote about sampling theory (1928)
sampling is a method of turning analog signal into digital information
3. NHK demonstrated digital audio tape (DAT) recorder (1967)
4. Phillips introduced prototype compact disc (CD) player (1979)
5. Phillips and Sony developed CD standard for mass production (1980)
6. Semiconductor laser allows for smaller CD systems (1982)
7. First CD marketed in the US (1983)